gmock-matchers.h revision 79a367eb217fcd47e2beaf8c0f87fe6d5926f739
1e35fdd936d133bf8a48de140a3c666897588a05shiqian// Copyright 2007, Google Inc. 2e35fdd936d133bf8a48de140a3c666897588a05shiqian// All rights reserved. 3e35fdd936d133bf8a48de140a3c666897588a05shiqian// 4e35fdd936d133bf8a48de140a3c666897588a05shiqian// Redistribution and use in source and binary forms, with or without 5e35fdd936d133bf8a48de140a3c666897588a05shiqian// modification, are permitted provided that the following conditions are 6e35fdd936d133bf8a48de140a3c666897588a05shiqian// met: 7e35fdd936d133bf8a48de140a3c666897588a05shiqian// 8e35fdd936d133bf8a48de140a3c666897588a05shiqian// * Redistributions of source code must retain the above copyright 9e35fdd936d133bf8a48de140a3c666897588a05shiqian// notice, this list of conditions and the following disclaimer. 10e35fdd936d133bf8a48de140a3c666897588a05shiqian// * Redistributions in binary form must reproduce the above 11e35fdd936d133bf8a48de140a3c666897588a05shiqian// copyright notice, this list of conditions and the following disclaimer 12e35fdd936d133bf8a48de140a3c666897588a05shiqian// in the documentation and/or other materials provided with the 13e35fdd936d133bf8a48de140a3c666897588a05shiqian// distribution. 14e35fdd936d133bf8a48de140a3c666897588a05shiqian// * Neither the name of Google Inc. nor the names of its 15e35fdd936d133bf8a48de140a3c666897588a05shiqian// contributors may be used to endorse or promote products derived from 16e35fdd936d133bf8a48de140a3c666897588a05shiqian// this software without specific prior written permission. 17e35fdd936d133bf8a48de140a3c666897588a05shiqian// 18e35fdd936d133bf8a48de140a3c666897588a05shiqian// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19e35fdd936d133bf8a48de140a3c666897588a05shiqian// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20e35fdd936d133bf8a48de140a3c666897588a05shiqian// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21e35fdd936d133bf8a48de140a3c666897588a05shiqian// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22e35fdd936d133bf8a48de140a3c666897588a05shiqian// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23e35fdd936d133bf8a48de140a3c666897588a05shiqian// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24e35fdd936d133bf8a48de140a3c666897588a05shiqian// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25e35fdd936d133bf8a48de140a3c666897588a05shiqian// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26e35fdd936d133bf8a48de140a3c666897588a05shiqian// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27e35fdd936d133bf8a48de140a3c666897588a05shiqian// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28e35fdd936d133bf8a48de140a3c666897588a05shiqian// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29e35fdd936d133bf8a48de140a3c666897588a05shiqian// 30e35fdd936d133bf8a48de140a3c666897588a05shiqian// Author: wan@google.com (Zhanyong Wan) 31e35fdd936d133bf8a48de140a3c666897588a05shiqian 32e35fdd936d133bf8a48de140a3c666897588a05shiqian// Google Mock - a framework for writing C++ mock classes. 33e35fdd936d133bf8a48de140a3c666897588a05shiqian// 34e35fdd936d133bf8a48de140a3c666897588a05shiqian// This file implements some commonly used argument matchers. More 35e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be defined by the user implementing the 36e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherInterface<T> interface if necessary. 37e35fdd936d133bf8a48de140a3c666897588a05shiqian 38e35fdd936d133bf8a48de140a3c666897588a05shiqian#ifndef GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 39e35fdd936d133bf8a48de140a3c666897588a05shiqian#define GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 40e35fdd936d133bf8a48de140a3c666897588a05shiqian 416a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan#include <algorithm> 4216cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan#include <limits> 43e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <ostream> // NOLINT 44e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <sstream> 45e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <string> 46ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan#include <utility> 47e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <vector> 48e35fdd936d133bf8a48de140a3c666897588a05shiqian 4953e08c44dd34857ba57581d7c5774d6c96a8d0e1zhanyong.wan#include "gmock/internal/gmock-internal-utils.h" 5053e08c44dd34857ba57581d7c5774d6c96a8d0e1zhanyong.wan#include "gmock/internal/gmock-port.h" 5153e08c44dd34857ba57581d7c5774d6c96a8d0e1zhanyong.wan#include "gtest/gtest.h" 52e35fdd936d133bf8a48de140a3c666897588a05shiqian 53e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace testing { 54e35fdd936d133bf8a48de140a3c666897588a05shiqian 55e35fdd936d133bf8a48de140a3c666897588a05shiqian// To implement a matcher Foo for type T, define: 56e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1. a class FooMatcherImpl that implements the 57e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherInterface<T> interface, and 58e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2. a factory function that creates a Matcher<T> object from a 59e35fdd936d133bf8a48de140a3c666897588a05shiqian// FooMatcherImpl*. 60e35fdd936d133bf8a48de140a3c666897588a05shiqian// 61e35fdd936d133bf8a48de140a3c666897588a05shiqian// The two-level delegation design makes it possible to allow a user 62e35fdd936d133bf8a48de140a3c666897588a05shiqian// to write "v" instead of "Eq(v)" where a Matcher is expected, which 63e35fdd936d133bf8a48de140a3c666897588a05shiqian// is impossible if we pass matchers by pointers. It also eases 64e35fdd936d133bf8a48de140a3c666897588a05shiqian// ownership management as Matcher objects can now be copied like 65e35fdd936d133bf8a48de140a3c666897588a05shiqian// plain values. 66e35fdd936d133bf8a48de140a3c666897588a05shiqian 67821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// MatchResultListener is an abstract class. Its << operator can be 68821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// used by a matcher to explain why a value matches or doesn't match. 69821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// 70821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// TODO(wan@google.com): add method 71821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// bool InterestedInWhy(bool result) const; 72821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// to indicate whether the listener is interested in why the match 73821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// result is 'result'. 74821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wanclass MatchResultListener { 75821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan public: 76821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Creates a listener object with the given underlying ostream. The 77821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // listener does not own the ostream. 78821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan explicit MatchResultListener(::std::ostream* os) : stream_(os) {} 79821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual ~MatchResultListener() = 0; // Makes this class abstract. 80821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 81821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Streams x to the underlying ostream; does nothing if the ostream 82821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // is NULL. 83821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan template <typename T> 84821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener& operator<<(const T& x) { 85821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (stream_ != NULL) 86821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *stream_ << x; 87821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return *this; 88821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 89821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 90821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns the underlying ostream. 91821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan ::std::ostream* stream() { return stream_; } 92821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 93a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // Returns true iff the listener is interested in an explanation of 94a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // the match result. A matcher's MatchAndExplain() method can use 95a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // this information to avoid generating the explanation when no one 96a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // intends to hear it. 97a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan bool IsInterested() const { return stream_ != NULL; } 98a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan 99821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan private: 100821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan ::std::ostream* const stream_; 101821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 102821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(MatchResultListener); 103821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan}; 104821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 105821133180ccdb9eb062548d964929ba3b354eb84zhanyong.waninline MatchResultListener::~MatchResultListener() { 106821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan} 107821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 108e35fdd936d133bf8a48de140a3c666897588a05shiqian// The implementation of a matcher. 109e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 110e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherInterface { 111e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 112e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual ~MatcherInterface() {} 113e35fdd936d133bf8a48de140a3c666897588a05shiqian 114821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns true iff the matcher matches x; also explains the match 115a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // result to 'listener', in the form of a non-restrictive relative 116a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // clause ("which ...", "whose ...", etc) that describes x. For 117a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // example, the MatchAndExplain() method of the Pointee(...) matcher 118a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // should generate an explanation like "which points to ...". 119821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // 120db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // You should override this method when defining a new matcher. 121821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // 122821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // It's the responsibility of the caller (Google Mock) to guarantee 123821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // that 'listener' is not NULL. This helps to simplify a matcher's 124821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // implementation when it doesn't care about the performance, as it 125821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // can talk to 'listener' without checking its validity first. 126821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // However, in order to implement dummy listeners efficiently, 127821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // listener->stream() may be NULL. 128db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const = 0; 129e35fdd936d133bf8a48de140a3c666897588a05shiqian 130a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // Describes this matcher to an ostream. The function should print 131a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // a verb phrase that describes the property a value matching this 132a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // matcher should have. The subject of the verb phrase is the value 133a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // being matched. For example, the DescribeTo() method of the Gt(7) 134a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.wan // matcher prints "is greater than 7". 135e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const = 0; 136e35fdd936d133bf8a48de140a3c666897588a05shiqian 137e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes the negation of this matcher to an ostream. For 138e35fdd936d133bf8a48de140a3c666897588a05shiqian // example, if the description of this matcher is "is greater than 139e35fdd936d133bf8a48de140a3c666897588a05shiqian // 7", the negated description could be "is not greater than 7". 140e35fdd936d133bf8a48de140a3c666897588a05shiqian // You are not required to override this when implementing 141e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherInterface, but it is highly advised so that your matcher 142e35fdd936d133bf8a48de140a3c666897588a05shiqian // can produce good error messages. 143e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 144e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "not ("; 145e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeTo(os); 146e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << ")"; 147e35fdd936d133bf8a48de140a3c666897588a05shiqian } 148e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 149e35fdd936d133bf8a48de140a3c666897588a05shiqian 150e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace internal { 151e35fdd936d133bf8a48de140a3c666897588a05shiqian 152821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// A match result listener that ignores the explanation. 153821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wanclass DummyMatchResultListener : public MatchResultListener { 154821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan public: 155821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan DummyMatchResultListener() : MatchResultListener(NULL) {} 156821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 157821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan private: 158821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(DummyMatchResultListener); 159821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan}; 160821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 161821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// A match result listener that forwards the explanation to a given 162821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// ostream. The difference between this and MatchResultListener is 163821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// that the former is concrete. 164821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wanclass StreamMatchResultListener : public MatchResultListener { 165821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan public: 166821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan explicit StreamMatchResultListener(::std::ostream* os) 167821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan : MatchResultListener(os) {} 168821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 169821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan private: 170821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(StreamMatchResultListener); 171821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan}; 172821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 173821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// A match result listener that stores the explanation in a string. 174821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wanclass StringMatchResultListener : public MatchResultListener { 175821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan public: 176821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener() : MatchResultListener(&ss_) {} 177821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 178821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns the explanation heard so far. 179821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan internal::string str() const { return ss_.str(); } 180821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 181821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan private: 182821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan ::std::stringstream ss_; 183821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 184821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(StringMatchResultListener); 185821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan}; 186821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 187e35fdd936d133bf8a48de140a3c666897588a05shiqian// An internal class for implementing Matcher<T>, which will derive 188e35fdd936d133bf8a48de140a3c666897588a05shiqian// from it. We put functionalities common to all Matcher<T> 189e35fdd936d133bf8a48de140a3c666897588a05shiqian// specializations here to avoid code duplication. 190e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 191e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherBase { 192e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 193821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns true iff the matcher matches x; also explains the match 194821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // result to 'listener'. 195821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan bool MatchAndExplain(T x, MatchResultListener* listener) const { 196821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return impl_->MatchAndExplain(x, listener); 197821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 198821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 199e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff this matcher matches x. 200821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan bool Matches(T x) const { 201821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan DummyMatchResultListener dummy; 202821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return MatchAndExplain(x, &dummy); 203821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 204e35fdd936d133bf8a48de140a3c666897588a05shiqian 205e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes this matcher to an ostream. 206e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); } 207e35fdd936d133bf8a48de140a3c666897588a05shiqian 208e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes the negation of this matcher to an ostream. 209e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 210e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_->DescribeNegationTo(os); 211e35fdd936d133bf8a48de140a3c666897588a05shiqian } 212e35fdd936d133bf8a48de140a3c666897588a05shiqian 213e35fdd936d133bf8a48de140a3c666897588a05shiqian // Explains why x matches, or doesn't match, the matcher. 214e35fdd936d133bf8a48de140a3c666897588a05shiqian void ExplainMatchResultTo(T x, ::std::ostream* os) const { 215821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StreamMatchResultListener listener(os); 216821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchAndExplain(x, &listener); 217e35fdd936d133bf8a48de140a3c666897588a05shiqian } 21832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 219e35fdd936d133bf8a48de140a3c666897588a05shiqian protected: 220e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherBase() {} 221e35fdd936d133bf8a48de140a3c666897588a05shiqian 222e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a matcher from its implementation. 223e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherBase(const MatcherInterface<T>* impl) 224e35fdd936d133bf8a48de140a3c666897588a05shiqian : impl_(impl) {} 225e35fdd936d133bf8a48de140a3c666897588a05shiqian 226e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual ~MatcherBase() {} 22732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 228e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 229e35fdd936d133bf8a48de140a3c666897588a05shiqian // shared_ptr (util/gtl/shared_ptr.h) and linked_ptr have similar 230e35fdd936d133bf8a48de140a3c666897588a05shiqian // interfaces. The former dynamically allocates a chunk of memory 231e35fdd936d133bf8a48de140a3c666897588a05shiqian // to hold the reference count, while the latter tracks all 232e35fdd936d133bf8a48de140a3c666897588a05shiqian // references using a circular linked list without allocating 233e35fdd936d133bf8a48de140a3c666897588a05shiqian // memory. It has been observed that linked_ptr performs better in 234e35fdd936d133bf8a48de140a3c666897588a05shiqian // typical scenarios. However, shared_ptr can out-perform 235e35fdd936d133bf8a48de140a3c666897588a05shiqian // linked_ptr when there are many more uses of the copy constructor 236e35fdd936d133bf8a48de140a3c666897588a05shiqian // than the default constructor. 237e35fdd936d133bf8a48de140a3c666897588a05shiqian // 238e35fdd936d133bf8a48de140a3c666897588a05shiqian // If performance becomes a problem, we should see if using 239e35fdd936d133bf8a48de140a3c666897588a05shiqian // shared_ptr helps. 240e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::linked_ptr<const MatcherInterface<T> > impl_; 241e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 242e35fdd936d133bf8a48de140a3c666897588a05shiqian 243e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 244e35fdd936d133bf8a48de140a3c666897588a05shiqian 245e35fdd936d133bf8a48de140a3c666897588a05shiqian// A Matcher<T> is a copyable and IMMUTABLE (except by assignment) 246e35fdd936d133bf8a48de140a3c666897588a05shiqian// object that can check whether a value of type T matches. The 247e35fdd936d133bf8a48de140a3c666897588a05shiqian// implementation of Matcher<T> is just a linked_ptr to const 248e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherInterface<T>, so copying is fairly cheap. Don't inherit 249e35fdd936d133bf8a48de140a3c666897588a05shiqian// from Matcher! 250e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 251e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher : public internal::MatcherBase<T> { 252e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 25388032d8e0f6d4bc63b97aeeab84fdc44aeab1c89vladlosev // Constructs a null matcher. Needed for storing Matcher objects in STL 25488032d8e0f6d4bc63b97aeeab84fdc44aeab1c89vladlosev // containers. A default-constructed matcher is not yet initialized. You 25588032d8e0f6d4bc63b97aeeab84fdc44aeab1c89vladlosev // cannot use it until a valid value has been assigned to it. 256e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 257e35fdd936d133bf8a48de140a3c666897588a05shiqian 258e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a matcher from its implementation. 259e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<T>* impl) 260e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<T>(impl) {} 261e35fdd936d133bf8a48de140a3c666897588a05shiqian 26218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Implicit constructor here allows people to write 263e35fdd936d133bf8a48de140a3c666897588a05shiqian // EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes 264e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(T value); // NOLINT 265e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 266e35fdd936d133bf8a48de140a3c666897588a05shiqian 267e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following two specializations allow the user to write str 268e35fdd936d133bf8a48de140a3c666897588a05shiqian// instead of Eq(str) and "foo" instead of Eq("foo") when a string 269e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher is expected. 270e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 271587c1b37c2f0b6d430fb13ce09326db0135b557cvladlosevclass GTEST_API_ Matcher<const internal::string&> 272e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<const internal::string&> { 273e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 274e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 275e35fdd936d133bf8a48de140a3c666897588a05shiqian 276e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<const internal::string&>* impl) 277e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<const internal::string&>(impl) {} 278e35fdd936d133bf8a48de140a3c666897588a05shiqian 279e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 280e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 281e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 282e35fdd936d133bf8a48de140a3c666897588a05shiqian 283e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 284e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 285e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 286e35fdd936d133bf8a48de140a3c666897588a05shiqian 287e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 288587c1b37c2f0b6d430fb13ce09326db0135b557cvladlosevclass GTEST_API_ Matcher<internal::string> 289e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<internal::string> { 290e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 291e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 292e35fdd936d133bf8a48de140a3c666897588a05shiqian 293e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<internal::string>* impl) 294e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<internal::string>(impl) {} 295e35fdd936d133bf8a48de140a3c666897588a05shiqian 296e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 297e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 298e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 299e35fdd936d133bf8a48de140a3c666897588a05shiqian 300e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 301e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 302e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 303e35fdd936d133bf8a48de140a3c666897588a05shiqian 304e35fdd936d133bf8a48de140a3c666897588a05shiqian// The PolymorphicMatcher class template makes it easy to implement a 305e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matcher (i.e. a matcher that can match values of more 306e35fdd936d133bf8a48de140a3c666897588a05shiqian// than one type, e.g. Eq(n) and NotNull()). 307e35fdd936d133bf8a48de140a3c666897588a05shiqian// 308db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// To define a polymorphic matcher, a user should provide an Impl 309db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// class that has a DescribeTo() method and a DescribeNegationTo() 310db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// method, and define a member function (or member function template) 311821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// 312db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// bool MatchAndExplain(const Value& value, 313db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// MatchResultListener* listener) const; 314821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// 315821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// See the definition of NotNull() for a complete example. 316e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 317e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PolymorphicMatcher { 318e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 31932de5f53763125925e078498250f7e73a88de9edzhanyong.wan explicit PolymorphicMatcher(const Impl& an_impl) : impl_(an_impl) {} 320e35fdd936d133bf8a48de140a3c666897588a05shiqian 3212b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns a mutable reference to the underlying matcher 3222b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 3232b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl& mutable_impl() { return impl_; } 3242b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 3252b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns an immutable reference to the underlying matcher 3262b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 3272b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan const Impl& impl() const { return impl_; } 3282b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 329e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 330e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 331e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new MonomorphicImpl<T>(impl_)); 332e35fdd936d133bf8a48de140a3c666897588a05shiqian } 33332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 334e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 335e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 336e35fdd936d133bf8a48de140a3c666897588a05shiqian class MonomorphicImpl : public MatcherInterface<T> { 337e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 338e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {} 339e35fdd936d133bf8a48de140a3c666897588a05shiqian 340e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 341e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeTo(os); 342e35fdd936d133bf8a48de140a3c666897588a05shiqian } 343e35fdd936d133bf8a48de140a3c666897588a05shiqian 344e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 345e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeNegationTo(os); 346e35fdd936d133bf8a48de140a3c666897588a05shiqian } 347e35fdd936d133bf8a48de140a3c666897588a05shiqian 348821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 349db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return impl_.MatchAndExplain(x, listener); 350e35fdd936d133bf8a48de140a3c666897588a05shiqian } 3512b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 352e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 353e35fdd936d133bf8a48de140a3c666897588a05shiqian const Impl impl_; 35432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 35532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MonomorphicImpl); 356e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 357e35fdd936d133bf8a48de140a3c666897588a05shiqian 3582b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl impl_; 35932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 36032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PolymorphicMatcher); 361e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 362e35fdd936d133bf8a48de140a3c666897588a05shiqian 363e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher from its implementation. This is easier to use 364e35fdd936d133bf8a48de140a3c666897588a05shiqian// than the Matcher<T> constructor as it doesn't require you to 365e35fdd936d133bf8a48de140a3c666897588a05shiqian// explicitly write the template argument, e.g. 366e35fdd936d133bf8a48de140a3c666897588a05shiqian// 367e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakeMatcher(foo); 368e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 369e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<const string&>(foo); 370e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 371e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MakeMatcher(const MatcherInterface<T>* impl) { 372e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(impl); 373e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 374e35fdd936d133bf8a48de140a3c666897588a05shiqian 375e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher from its implementation. This is 376e35fdd936d133bf8a48de140a3c666897588a05shiqian// easier to use than the PolymorphicMatcher<Impl> constructor as it 377e35fdd936d133bf8a48de140a3c666897588a05shiqian// doesn't require you to explicitly write the template argument, e.g. 378e35fdd936d133bf8a48de140a3c666897588a05shiqian// 379e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakePolymorphicMatcher(foo); 380e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 381e35fdd936d133bf8a48de140a3c666897588a05shiqian// PolymorphicMatcher<TypeOfFoo>(foo); 382e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 383e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<Impl> MakePolymorphicMatcher(const Impl& impl) { 384e35fdd936d133bf8a48de140a3c666897588a05shiqian return PolymorphicMatcher<Impl>(impl); 385e35fdd936d133bf8a48de140a3c666897588a05shiqian} 386e35fdd936d133bf8a48de140a3c666897588a05shiqian 38779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION 38879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// and MUST NOT BE USED IN USER CODE!!! 38979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmnamespace internal { 39079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 39179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// The MatcherCastImpl class template is a helper for implementing 39279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// MatcherCast(). We need this helper in order to partially 39379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// specialize the implementation of MatcherCast() (C++ allows 39479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// class/struct templates to be partially specialized, but not 39579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// function templates.). 39679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 39779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// This general version is used when MatcherCast()'s argument is a 39879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// polymorphic matcher (i.e. something that can be converted to a 39979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// Matcher but is not one yet; for example, Eq(value)) or a value (for 40079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// example, "hello"). 40179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmtemplate <typename T, typename M> 40279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmclass MatcherCastImpl { 40379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm public: 40479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static Matcher<T> Cast(M polymorphic_matcher_or_value) { 40579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // M can be a polymorhic matcher, in which case we want to use 40679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // its conversion operator to create Matcher<T>. Or it can be a value 40779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // that should be passed to the Matcher<T>'s constructor. 40879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // 40979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // We can't call Matcher<T>(polymorphic_matcher_or_value) when M is a 41079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // polymorphic matcher because it'll be ambiguous if T has an implicit 41179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // constructor from M (this usually happens when T has an implicit 41279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // constructor from any type). 41379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // 41479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // It won't work to unconditionally implict_cast 41579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // polymorphic_matcher_or_value to Matcher<T> because it won't trigger 41679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // a user-defined conversion from M to T if one exists (assuming M is 41779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // a value). 41879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return CastImpl( 41979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm polymorphic_matcher_or_value, 42079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm BooleanConstant< 42179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm internal::ImplicitlyConvertible<M, Matcher<T> >::value>()); 42279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 42379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 42479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm private: 42579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static Matcher<T> CastImpl(M value, BooleanConstant<false>) { 42679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // M can't be implicitly converted to Matcher<T>, so M isn't a polymorphic 42779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // matcher. It must be a value then. Use direct initialization to create 42879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // a matcher. 42979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return Matcher<T>(ImplicitCast_<T>(value)); 43079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 43179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 43279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static Matcher<T> CastImpl(M polymorphic_matcher_or_value, 43379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm BooleanConstant<true>) { 43479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // M is implicitly convertible to Matcher<T>, which means that either 43579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // M is a polymorhpic matcher or Matcher<T> has an implicit constructor 43679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // from M. In both cases using the implicit conversion will produce a 43779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // matcher. 43879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // 43979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // Even if T has an implicit constructor from M, it won't be called because 44079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // creating Matcher<T> would require a chain of two user-defined conversions 44179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // (first to create T from M and then to create Matcher<T> from T). 44279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return polymorphic_matcher_or_value; 44379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 44479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm}; 44579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 44679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// This more specialized version is used when MatcherCast()'s argument 44779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// is already a Matcher. This only compiles when type T can be 44879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// statically converted to type U. 44979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmtemplate <typename T, typename U> 45079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmclass MatcherCastImpl<T, Matcher<U> > { 45179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm public: 45279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static Matcher<T> Cast(const Matcher<U>& source_matcher) { 45379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return Matcher<T>(new Impl(source_matcher)); 45479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 45579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 45679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm private: 45779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm class Impl : public MatcherInterface<T> { 45879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm public: 45979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm explicit Impl(const Matcher<U>& source_matcher) 46079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm : source_matcher_(source_matcher) {} 46179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 46279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // We delegate the matching logic to the source matcher. 46379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 46479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return source_matcher_.MatchAndExplain(static_cast<U>(x), listener); 46579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 46679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 46779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm virtual void DescribeTo(::std::ostream* os) const { 46879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm source_matcher_.DescribeTo(os); 46979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 47079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 47179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm virtual void DescribeNegationTo(::std::ostream* os) const { 47279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm source_matcher_.DescribeNegationTo(os); 47379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm } 47479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 47579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm private: 47679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm const Matcher<U> source_matcher_; 47779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 47879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm GTEST_DISALLOW_ASSIGN_(Impl); 47979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm }; 48079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm}; 48179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 48279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// This even more specialized version is used for efficiently casting 48379a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm// a matcher to its own type. 48479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmtemplate <typename T> 48579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgmclass MatcherCastImpl<T, Matcher<T> > { 48679a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm public: 48779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static Matcher<T> Cast(const Matcher<T>& matcher) { return matcher; } 48879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm}; 48979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 49079a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm} // namespace internal 49179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 492e35fdd936d133bf8a48de140a3c666897588a05shiqian// In order to be safe and clear, casting between different matcher 493e35fdd936d133bf8a48de140a3c666897588a05shiqian// types is done explicitly via MatcherCast<T>(m), which takes a 494e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher m and returns a Matcher<T>. It compiles only when T can be 495e35fdd936d133bf8a48de140a3c666897588a05shiqian// statically converted to the argument type of m. 496e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 49779a367eb217fcd47e2beaf8c0f87fe6d5926f739jgminline Matcher<T> MatcherCast(M matcher) { 49879a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return internal::MatcherCastImpl<T, M>::Cast(matcher); 49979a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm} 500e35fdd936d133bf8a48de140a3c666897588a05shiqian 50118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// Implements SafeMatcherCast(). 50218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// 50395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// We use an intermediate class to do the actual safe casting as Nokia's 50495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// Symbian compiler cannot decide between 50595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, M> ... (M) and 50695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, U> ... (const Matcher<U>&) 50795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// for function templates but can for member function templates. 50895b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T> 50995b12332c345cee508a8e2b68e007280392506e0zhanyong.wanclass SafeMatcherCastImpl { 51095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan public: 51179a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // This overload handles polymorphic matchers and values only since 51279a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm // monomorphic matchers are handled by the next one. 51395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename M> 51479a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm static inline Matcher<T> Cast(M polymorphic_matcher_or_value) { 51579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm return internal::MatcherCastImpl<T, M>::Cast(polymorphic_matcher_or_value); 51695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 51718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 51895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // This overload handles monomorphic matchers. 51995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // 52095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In general, if type T can be implicitly converted to type U, we can 52195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // safely convert a Matcher<U> to a Matcher<T> (i.e. Matcher is 52295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // contravariant): just keep a copy of the original Matcher<U>, convert the 52395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // argument from type T to U, and then pass it to the underlying Matcher<U>. 52495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // The only exception is when U is a reference and T is not, as the 52595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // underlying Matcher<U> may be interested in the argument's address, which 52695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // is not preserved in the conversion from T to U. 52795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename U> 52895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan static inline Matcher<T> Cast(const Matcher<U>& matcher) { 52995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that T can be implicitly converted to U. 53002f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_((internal::ImplicitlyConvertible<T, U>::value), 53195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan T_must_be_implicitly_convertible_to_U); 53295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that we are not converting a non-reference type T to a reference 53395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // type U. 53402f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_( 53595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan internal::is_reference<T>::value || !internal::is_reference<U>::value, 53695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan cannot_convert_non_referentce_arg_to_reference); 53795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In case both T and U are arithmetic types, enforce that the 53895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // conversion is not lossy. 539ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(T) RawT; 540ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(U) RawU; 54195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther; 54295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther; 54302f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_( 54495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan kTIsOther || kUIsOther || 54595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan (internal::LosslessArithmeticConvertible<RawT, RawU>::value), 54695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan conversion_of_arithmetic_types_must_be_lossless); 54795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return MatcherCast<T>(matcher); 54895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 54995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan}; 55095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan 55195b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T, typename M> 55295b12332c345cee508a8e2b68e007280392506e0zhanyong.waninline Matcher<T> SafeMatcherCast(const M& polymorphic_matcher) { 55395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return SafeMatcherCastImpl<T>::Cast(polymorphic_matcher); 55418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan} 55518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 556e35fdd936d133bf8a48de140a3c666897588a05shiqian// A<T>() returns a matcher that matches any value of type T. 557e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 558e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T> A(); 559e35fdd936d133bf8a48de140a3c666897588a05shiqian 560e35fdd936d133bf8a48de140a3c666897588a05shiqian// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION 561e35fdd936d133bf8a48de140a3c666897588a05shiqian// and MUST NOT BE USED IN USER CODE!!! 562e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace internal { 563e35fdd936d133bf8a48de140a3c666897588a05shiqian 564b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan// If the explanation is not empty, prints it to the ostream. 565b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.waninline void PrintIfNotEmpty(const internal::string& explanation, 566b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan std::ostream* os) { 567b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (explanation != "" && os != NULL) { 568b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ", " << explanation; 569676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 570676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan} 571676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 572736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan// Returns true if the given type name is easy to read by a human. 573736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan// This is used to decide whether printing the type of a value might 574736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan// be helpful. 575736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.waninline bool IsReadableTypeName(const string& type_name) { 576736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan // We consider a type name readable if it's short or doesn't contain 577736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan // a template or function type. 578736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan return (type_name.length() <= 20 || 579736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan type_name.find_first_of("<(") == string::npos); 580736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan} 581736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan 582676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// Matches the value against the given matcher, prints the value and explains 583676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// the match result to the listener. Returns the match result. 584676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// 'listener' must not be NULL. 585676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// Value cannot be passed by const reference, because some matchers take a 586676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// non-const argument. 587676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wantemplate <typename Value, typename T> 588676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wanbool MatchPrintAndExplain(Value& value, const Matcher<T>& matcher, 589676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan MatchResultListener* listener) { 590676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!listener->IsInterested()) { 591676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // If the listener is not interested, we do not need to construct the 592676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // inner explanation. 593676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return matcher.Matches(value); 594676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 595676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 596676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener inner_listener; 597676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan const bool match = matcher.MatchAndExplain(value, &inner_listener); 598676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 599676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan UniversalPrint(value, listener->stream()); 600736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan#if GTEST_HAS_RTTI 601736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan const string& type_name = GetTypeName<Value>(); 602736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan if (IsReadableTypeName(type_name)) 603736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan *listener->stream() << " (of type " << type_name << ")"; 604736baa8ac028f01a5c79ebecb6fc7043b47d3c4ezhanyong.wan#endif 605b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 606676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 607676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return match; 608676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan} 609676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 610e35fdd936d133bf8a48de140a3c666897588a05shiqian// An internal helper class for doing compile-time loop on a tuple's 611e35fdd936d133bf8a48de140a3c666897588a05shiqian// fields. 612e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <size_t N> 613e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix { 614e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 615e35fdd936d133bf8a48de140a3c666897588a05shiqian // TuplePrefix<N>::Matches(matcher_tuple, value_tuple) returns true 616e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff the first N fields of matcher_tuple matches the first N 617e35fdd936d133bf8a48de140a3c666897588a05shiqian // fields of value_tuple, respectively. 618e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 619e35fdd936d133bf8a48de140a3c666897588a05shiqian static bool Matches(const MatcherTuple& matcher_tuple, 620e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 621e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 622e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<N - 1>::Matches(matcher_tuple, value_tuple) 623e35fdd936d133bf8a48de140a3c666897588a05shiqian && get<N - 1>(matcher_tuple).Matches(get<N - 1>(value_tuple)); 624e35fdd936d133bf8a48de140a3c666897588a05shiqian } 625e35fdd936d133bf8a48de140a3c666897588a05shiqian 626b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // TuplePrefix<N>::ExplainMatchFailuresTo(matchers, values, os) 627e35fdd936d133bf8a48de140a3c666897588a05shiqian // describes failures in matching the first N fields of matchers 628e35fdd936d133bf8a48de140a3c666897588a05shiqian // against the first N fields of values. If there is no failure, 629e35fdd936d133bf8a48de140a3c666897588a05shiqian // nothing will be streamed to os. 630e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 631b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan static void ExplainMatchFailuresTo(const MatcherTuple& matchers, 632b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& values, 633b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* os) { 634e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_element; 635e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 636e35fdd936d133bf8a48de140a3c666897588a05shiqian 637e35fdd936d133bf8a48de140a3c666897588a05shiqian // First, describes failures in the first N - 1 fields. 638b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan TuplePrefix<N - 1>::ExplainMatchFailuresTo(matchers, values, os); 639e35fdd936d133bf8a48de140a3c666897588a05shiqian 640e35fdd936d133bf8a48de140a3c666897588a05shiqian // Then describes the failure (if any) in the (N - 1)-th (0-based) 641e35fdd936d133bf8a48de140a3c666897588a05shiqian // field. 642e35fdd936d133bf8a48de140a3c666897588a05shiqian typename tuple_element<N - 1, MatcherTuple>::type matcher = 643e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers); 644e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename tuple_element<N - 1, ValueTuple>::type Value; 645e35fdd936d133bf8a48de140a3c666897588a05shiqian Value value = get<N - 1>(values); 646821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener; 647821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher.MatchAndExplain(value, &listener)) { 648e35fdd936d133bf8a48de140a3c666897588a05shiqian // TODO(wan): include in the message the name of the parameter 649e35fdd936d133bf8a48de140a3c666897588a05shiqian // as used in MOCK_METHOD*() when possible. 650e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << " Expected arg #" << N - 1 << ": "; 651e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers).DescribeTo(os); 652e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n Actual: "; 653e35fdd936d133bf8a48de140a3c666897588a05shiqian // We remove the reference in type Value to prevent the 654e35fdd936d133bf8a48de140a3c666897588a05shiqian // universal printer from printing the address of value, which 655e35fdd936d133bf8a48de140a3c666897588a05shiqian // isn't interesting to the user most of the time. The 656db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // matcher's MatchAndExplain() method handles the case when 657e35fdd936d133bf8a48de140a3c666897588a05shiqian // the address is interesting. 658b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan internal::UniversalPrint(value, os); 659b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(listener.str(), os); 660e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n"; 661e35fdd936d133bf8a48de140a3c666897588a05shiqian } 662e35fdd936d133bf8a48de140a3c666897588a05shiqian } 663e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 664e35fdd936d133bf8a48de140a3c666897588a05shiqian 665e35fdd936d133bf8a48de140a3c666897588a05shiqian// The base case. 666e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 667e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix<0> { 668e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 669e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 6703fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan static bool Matches(const MatcherTuple& /* matcher_tuple */, 6713fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan const ValueTuple& /* value_tuple */) { 672e35fdd936d133bf8a48de140a3c666897588a05shiqian return true; 673e35fdd936d133bf8a48de140a3c666897588a05shiqian } 674e35fdd936d133bf8a48de140a3c666897588a05shiqian 675e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 676b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan static void ExplainMatchFailuresTo(const MatcherTuple& /* matchers */, 677b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& /* values */, 678b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* /* os */) {} 679e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 680e35fdd936d133bf8a48de140a3c666897588a05shiqian 681e35fdd936d133bf8a48de140a3c666897588a05shiqian// TupleMatches(matcher_tuple, value_tuple) returns true iff all 682e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers in matcher_tuple match the corresponding fields in 683e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple. It is a compiler error if matcher_tuple and 684e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple have different number of fields or incompatible field 685e35fdd936d133bf8a48de140a3c666897588a05shiqian// types. 686e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 687e35fdd936d133bf8a48de140a3c666897588a05shiqianbool TupleMatches(const MatcherTuple& matcher_tuple, 688e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 689e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 690e35fdd936d133bf8a48de140a3c666897588a05shiqian // Makes sure that matcher_tuple and value_tuple have the same 691e35fdd936d133bf8a48de140a3c666897588a05shiqian // number of fields. 69202f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_(tuple_size<MatcherTuple>::value == 693e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan tuple_size<ValueTuple>::value, 694e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan matcher_and_value_have_different_numbers_of_fields); 695e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<tuple_size<ValueTuple>::value>:: 696e35fdd936d133bf8a48de140a3c666897588a05shiqian Matches(matcher_tuple, value_tuple); 697e35fdd936d133bf8a48de140a3c666897588a05shiqian} 698e35fdd936d133bf8a48de140a3c666897588a05shiqian 699e35fdd936d133bf8a48de140a3c666897588a05shiqian// Describes failures in matching matchers against values. If there 700e35fdd936d133bf8a48de140a3c666897588a05shiqian// is no failure, nothing will be streamed to os. 701e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 702b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanvoid ExplainMatchFailureTupleTo(const MatcherTuple& matchers, 703b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& values, 704b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* os) { 705e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 706b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan TuplePrefix<tuple_size<MatcherTuple>::value>::ExplainMatchFailuresTo( 707e35fdd936d133bf8a48de140a3c666897588a05shiqian matchers, values, os); 708e35fdd936d133bf8a48de140a3c666897588a05shiqian} 709e35fdd936d133bf8a48de140a3c666897588a05shiqian 710e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements A<T>(). 711e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 712e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnyMatcherImpl : public MatcherInterface<T> { 713e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 714821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( 715821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan T /* x */, MatchResultListener* /* listener */) const { return true; } 716e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { *os << "is anything"; } 717e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 718e35fdd936d133bf8a48de140a3c666897588a05shiqian // This is mostly for completeness' safe, as it's not very useful 719e35fdd936d133bf8a48de140a3c666897588a05shiqian // to write Not(A<bool>()). However we cannot completely rule out 720e35fdd936d133bf8a48de140a3c666897588a05shiqian // such a possibility, and it doesn't hurt to be prepared. 721e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 722e35fdd936d133bf8a48de140a3c666897588a05shiqian } 723e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 724e35fdd936d133bf8a48de140a3c666897588a05shiqian 725e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements _, a matcher that matches any value of any 726e35fdd936d133bf8a48de140a3c666897588a05shiqian// type. This is a polymorphic matcher, so we need a template type 727e35fdd936d133bf8a48de140a3c666897588a05shiqian// conversion operator to make it appearing as a Matcher<T> for any 728e35fdd936d133bf8a48de140a3c666897588a05shiqian// type T. 729e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnythingMatcher { 730e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 731e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 732e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { return A<T>(); } 733e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 734e35fdd936d133bf8a48de140a3c666897588a05shiqian 735e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares a given value with a 736e35fdd936d133bf8a48de140a3c666897588a05shiqian// pre-supplied value using one of the ==, <=, <, etc, operators. The 737e35fdd936d133bf8a48de140a3c666897588a05shiqian// two values being compared don't have to have the same type. 738e35fdd936d133bf8a48de140a3c666897588a05shiqian// 739e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq(5) can be 740e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match an int, a short, a double, etc). Therefore we use 741e35fdd936d133bf8a48de140a3c666897588a05shiqian// a template type conversion operator in the implementation. 742e35fdd936d133bf8a48de140a3c666897588a05shiqian// 743e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 744e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 745e35fdd936d133bf8a48de140a3c666897588a05shiqian// 746e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following template definition assumes that the Rhs parameter is 747e35fdd936d133bf8a48de140a3c666897588a05shiqian// a "bare" type (i.e. neither 'const T' nor 'T&'). 748b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON_MATCHER_( \ 749b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan name, op, relation, negated_relation) \ 750e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Rhs> class name##Matcher { \ 751e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 752e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit name##Matcher(const Rhs& rhs) : rhs_(rhs) {} \ 753e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 754e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Lhs>() const { \ 755e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Lhs>(rhs_)); \ 756e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 757e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 758e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 759e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Lhs> { \ 760e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 761e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const Rhs& rhs) : rhs_(rhs) {} \ 762821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(\ 763821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan Lhs lhs, MatchResultListener* /* listener */) const { \ 764821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return lhs op rhs_; \ 765821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } \ 766e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 767b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << relation " "; \ 768e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); \ 769e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 770e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 771b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << negated_relation " "; \ 772e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); \ 773e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 774e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 775e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 77632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); \ 777e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 778e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 77932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(name##Matcher); \ 780e35fdd936d133bf8a48de140a3c666897588a05shiqian } 781e35fdd936d133bf8a48de140a3c666897588a05shiqian 782e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(v), Ge(v), Gt(v), Le(v), Lt(v), and Ne(v) 783e35fdd936d133bf8a48de140a3c666897588a05shiqian// respectively. 784b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Eq, ==, "is equal to", "isn't equal to"); 785b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ge, >=, "is >=", "isn't >="); 786b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Gt, >, "is >", "isn't >"); 787b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Le, <=, "is <=", "isn't <="); 788b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Lt, <, "is <", "isn't <"); 789b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ne, !=, "isn't equal to", "is equal to"); 790e35fdd936d133bf8a48de140a3c666897588a05shiqian 791e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON_MATCHER_ 792e35fdd936d133bf8a48de140a3c666897588a05shiqian 79379b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev// Implements the polymorphic IsNull() matcher, which matches any raw or smart 7942d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// pointer that is NULL. 7952d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wanclass IsNullMatcher { 7962d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan public: 79779b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev template <typename Pointer> 798db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const Pointer& p, 799db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 800db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return GetRawPointer(p) == NULL; 801db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 8022d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 8032d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeTo(::std::ostream* os) const { *os << "is NULL"; } 8042d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 805b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't NULL"; 8062d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan } 8072d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan}; 8082d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 80979b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev// Implements the polymorphic NotNull() matcher, which matches any raw or smart 810e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointer that is not NULL. 811e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotNullMatcher { 812e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 81379b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev template <typename Pointer> 814db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const Pointer& p, 815db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 816db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return GetRawPointer(p) != NULL; 817db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 818e35fdd936d133bf8a48de140a3c666897588a05shiqian 819b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan void DescribeTo(::std::ostream* os) const { *os << "isn't NULL"; } 820e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 821e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NULL"; 822e35fdd936d133bf8a48de140a3c666897588a05shiqian } 823e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 824e35fdd936d133bf8a48de140a3c666897588a05shiqian 825e35fdd936d133bf8a48de140a3c666897588a05shiqian// Ref(variable) matches any argument that is a reference to 826e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'variable'. This matcher is polymorphic as it can match any 827e35fdd936d133bf8a48de140a3c666897588a05shiqian// super type of the type of 'variable'. 828e35fdd936d133bf8a48de140a3c666897588a05shiqian// 829e35fdd936d133bf8a48de140a3c666897588a05shiqian// The RefMatcher template class implements Ref(variable). It can 830e35fdd936d133bf8a48de140a3c666897588a05shiqian// only be instantiated with a reference type. This prevents a user 831e35fdd936d133bf8a48de140a3c666897588a05shiqian// from mistakenly using Ref(x) to match a non-reference function 832e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument. For example, the following will righteously cause a 833e35fdd936d133bf8a48de140a3c666897588a05shiqian// compiler error: 834e35fdd936d133bf8a48de140a3c666897588a05shiqian// 835e35fdd936d133bf8a48de140a3c666897588a05shiqian// int n; 836e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int> m1 = Ref(n); // This won't compile. 837e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int&> m2 = Ref(n); // This will compile. 838e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 839e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher; 840e35fdd936d133bf8a48de140a3c666897588a05shiqian 841e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 842e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher<T&> { 843e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Mock is a generic framework and thus needs to support 844e35fdd936d133bf8a48de140a3c666897588a05shiqian // mocking any function types, including those that take non-const 845e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference arguments. Therefore the template parameter T (and 846e35fdd936d133bf8a48de140a3c666897588a05shiqian // Super below) can be instantiated to either a const type or a 847e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const type. 848e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 849e35fdd936d133bf8a48de140a3c666897588a05shiqian // RefMatcher() takes a T& instead of const T&, as we want the 850e35fdd936d133bf8a48de140a3c666897588a05shiqian // compiler to catch using Ref(const_value) as a matcher for a 851e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference. 852e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit RefMatcher(T& x) : object_(x) {} // NOLINT 853e35fdd936d133bf8a48de140a3c666897588a05shiqian 854e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 855e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Super&>() const { 856e35fdd936d133bf8a48de140a3c666897588a05shiqian // By passing object_ (type T&) to Impl(), which expects a Super&, 857e35fdd936d133bf8a48de140a3c666897588a05shiqian // we make sure that Super is a super type of T. In particular, 858e35fdd936d133bf8a48de140a3c666897588a05shiqian // this catches using Ref(const_value) as a matcher for a 859e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference, as you cannot implicitly convert a const 860e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference to a non-const reference. 861e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Super>(object_)); 862e35fdd936d133bf8a48de140a3c666897588a05shiqian } 86332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 864e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 865e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 866e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Super&> { 867e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 868e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(Super& x) : object_(x) {} // NOLINT 869e35fdd936d133bf8a48de140a3c666897588a05shiqian 870db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // MatchAndExplain() takes a Super& (as opposed to const Super&) 871db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // in order to match the interface MatcherInterface<Super&>. 872821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( 873821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan Super& x, MatchResultListener* listener) const { 874b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "which is located @" << static_cast<const void*>(&x); 875821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return &x == &object_; 876821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 877e35fdd936d133bf8a48de140a3c666897588a05shiqian 878e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 879e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "references the variable "; 880e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 881e35fdd936d133bf8a48de140a3c666897588a05shiqian } 882e35fdd936d133bf8a48de140a3c666897588a05shiqian 883e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 884e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not reference the variable "; 885e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 886e35fdd936d133bf8a48de140a3c666897588a05shiqian } 887e35fdd936d133bf8a48de140a3c666897588a05shiqian 888e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 889e35fdd936d133bf8a48de140a3c666897588a05shiqian const Super& object_; 89032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 89132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 892e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 893e35fdd936d133bf8a48de140a3c666897588a05shiqian 894e35fdd936d133bf8a48de140a3c666897588a05shiqian T& object_; 89532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 89632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(RefMatcher); 897e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 898e35fdd936d133bf8a48de140a3c666897588a05shiqian 899e35fdd936d133bf8a48de140a3c666897588a05shiqian// Polymorphic helper functions for narrow and wide string matchers. 900e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const char* lhs, const char* rhs) { 901e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveCStringEquals(lhs, rhs); 902e35fdd936d133bf8a48de140a3c666897588a05shiqian} 903e35fdd936d133bf8a48de140a3c666897588a05shiqian 904e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const wchar_t* lhs, 905e35fdd936d133bf8a48de140a3c666897588a05shiqian const wchar_t* rhs) { 906e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveWideCStringEquals(lhs, rhs); 907e35fdd936d133bf8a48de140a3c666897588a05shiqian} 908e35fdd936d133bf8a48de140a3c666897588a05shiqian 909e35fdd936d133bf8a48de140a3c666897588a05shiqian// String comparison for narrow or wide strings that can have embedded NUL 910e35fdd936d133bf8a48de140a3c666897588a05shiqian// characters. 911e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 912e35fdd936d133bf8a48de140a3c666897588a05shiqianbool CaseInsensitiveStringEquals(const StringType& s1, 913e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType& s2) { 914e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the heads equal? 915e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!CaseInsensitiveCStringEquals(s1.c_str(), s2.c_str())) { 916e35fdd936d133bf8a48de140a3c666897588a05shiqian return false; 917e35fdd936d133bf8a48de140a3c666897588a05shiqian } 918e35fdd936d133bf8a48de140a3c666897588a05shiqian 919e35fdd936d133bf8a48de140a3c666897588a05shiqian // Skip the equal heads. 920e35fdd936d133bf8a48de140a3c666897588a05shiqian const typename StringType::value_type nul = 0; 921e35fdd936d133bf8a48de140a3c666897588a05shiqian const size_t i1 = s1.find(nul), i2 = s2.find(nul); 922e35fdd936d133bf8a48de140a3c666897588a05shiqian 923e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are we at the end of either s1 or s2? 924e35fdd936d133bf8a48de140a3c666897588a05shiqian if (i1 == StringType::npos || i2 == StringType::npos) { 925e35fdd936d133bf8a48de140a3c666897588a05shiqian return i1 == i2; 926e35fdd936d133bf8a48de140a3c666897588a05shiqian } 927e35fdd936d133bf8a48de140a3c666897588a05shiqian 928e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the tails equal? 929e35fdd936d133bf8a48de140a3c666897588a05shiqian return CaseInsensitiveStringEquals(s1.substr(i1 + 1), s2.substr(i2 + 1)); 930e35fdd936d133bf8a48de140a3c666897588a05shiqian} 931e35fdd936d133bf8a48de140a3c666897588a05shiqian 932e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 933e35fdd936d133bf8a48de140a3c666897588a05shiqian 934e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements equality-based string matchers like StrEq, StrCaseNe, and etc. 935e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 936e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StrEqualityMatcher { 937e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 938e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 939e35fdd936d133bf8a48de140a3c666897588a05shiqian 940e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEqualityMatcher(const StringType& str, bool expect_eq, 941e35fdd936d133bf8a48de140a3c666897588a05shiqian bool case_sensitive) 942e35fdd936d133bf8a48de140a3c666897588a05shiqian : string_(str), expect_eq_(expect_eq), case_sensitive_(case_sensitive) {} 943e35fdd936d133bf8a48de140a3c666897588a05shiqian 944e35fdd936d133bf8a48de140a3c666897588a05shiqian // When expect_eq_ is true, returns true iff s is equal to string_; 945e35fdd936d133bf8a48de140a3c666897588a05shiqian // otherwise returns true iff s is not equal to string_. 946db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 947db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 948e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s == NULL) { 949e35fdd936d133bf8a48de140a3c666897588a05shiqian return !expect_eq_; 950e35fdd936d133bf8a48de140a3c666897588a05shiqian } 951db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplain(StringType(s), listener); 952e35fdd936d133bf8a48de140a3c666897588a05shiqian } 953e35fdd936d133bf8a48de140a3c666897588a05shiqian 954db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 955db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 956e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool eq = case_sensitive_ ? s == string_ : 957e35fdd936d133bf8a48de140a3c666897588a05shiqian CaseInsensitiveStringEquals(s, string_); 958e35fdd936d133bf8a48de140a3c666897588a05shiqian return expect_eq_ == eq; 959e35fdd936d133bf8a48de140a3c666897588a05shiqian } 960e35fdd936d133bf8a48de140a3c666897588a05shiqian 961e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 962e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(expect_eq_, os); 963e35fdd936d133bf8a48de140a3c666897588a05shiqian } 964e35fdd936d133bf8a48de140a3c666897588a05shiqian 965e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 966e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(!expect_eq_, os); 967e35fdd936d133bf8a48de140a3c666897588a05shiqian } 96832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 969e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 970e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeToHelper(bool expect_eq, ::std::ostream* os) const { 971b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << (expect_eq ? "is " : "isn't "); 972e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "equal to "; 973e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!case_sensitive_) { 974e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "(ignoring case) "; 975e35fdd936d133bf8a48de140a3c666897588a05shiqian } 976e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(string_, os); 977e35fdd936d133bf8a48de140a3c666897588a05shiqian } 978e35fdd936d133bf8a48de140a3c666897588a05shiqian 979e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType string_; 980e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool expect_eq_; 981e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool case_sensitive_; 98232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 98332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(StrEqualityMatcher); 984e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 985e35fdd936d133bf8a48de140a3c666897588a05shiqian 986e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic HasSubstr(substring) matcher, which 987e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 988e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 989e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 990e35fdd936d133bf8a48de140a3c666897588a05shiqianclass HasSubstrMatcher { 991e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 992e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 993e35fdd936d133bf8a48de140a3c666897588a05shiqian 994e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit HasSubstrMatcher(const StringType& substring) 995e35fdd936d133bf8a48de140a3c666897588a05shiqian : substring_(substring) {} 996e35fdd936d133bf8a48de140a3c666897588a05shiqian 997e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow HasSubstr(substring) to be used as a 998e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 999e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s contains substring_ as a substring. 1000db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 1001db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1002db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 1003e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1004e35fdd936d133bf8a48de140a3c666897588a05shiqian 1005db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 1006db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1007e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.find(substring_) != StringType::npos; 1008e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1009e35fdd936d133bf8a48de140a3c666897588a05shiqian 1010e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes what this matcher matches. 1011e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1012e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has substring "; 1013e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(substring_, os); 1014e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1015e35fdd936d133bf8a48de140a3c666897588a05shiqian 1016e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1017e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has no substring "; 1018e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(substring_, os); 1019e35fdd936d133bf8a48de140a3c666897588a05shiqian } 102032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1021e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1022e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType substring_; 102332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 102432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(HasSubstrMatcher); 1025e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1026e35fdd936d133bf8a48de140a3c666897588a05shiqian 1027e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic StartsWith(substring) matcher, which 1028e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 1029e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 1030e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 1031e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StartsWithMatcher { 1032e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1033e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 1034e35fdd936d133bf8a48de140a3c666897588a05shiqian 1035e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit StartsWithMatcher(const StringType& prefix) : prefix_(prefix) { 1036e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1037e35fdd936d133bf8a48de140a3c666897588a05shiqian 1038e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow StartsWith(prefix) to be used as a 1039e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 1040e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s starts with prefix_. 1041db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 1042db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1043db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 1044e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1045e35fdd936d133bf8a48de140a3c666897588a05shiqian 1046db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 1047db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1048e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= prefix_.length() && 1049e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(0, prefix_.length()) == prefix_; 1050e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1051e35fdd936d133bf8a48de140a3c666897588a05shiqian 1052e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1053e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "starts with "; 1054e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(prefix_, os); 1055e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1056e35fdd936d133bf8a48de140a3c666897588a05shiqian 1057e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1058e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't start with "; 1059e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(prefix_, os); 1060e35fdd936d133bf8a48de140a3c666897588a05shiqian } 106132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1062e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1063e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType prefix_; 106432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 106532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(StartsWithMatcher); 1066e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1067e35fdd936d133bf8a48de140a3c666897588a05shiqian 1068e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic EndsWith(substring) matcher, which 1069e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 1070e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 1071e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 1072e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EndsWithMatcher { 1073e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1074e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 1075e35fdd936d133bf8a48de140a3c666897588a05shiqian 1076e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit EndsWithMatcher(const StringType& suffix) : suffix_(suffix) {} 1077e35fdd936d133bf8a48de140a3c666897588a05shiqian 1078e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow EndsWith(suffix) to be used as a 1079e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 1080e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s ends with suffix_. 1081db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 1082db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1083db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 1084e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1085e35fdd936d133bf8a48de140a3c666897588a05shiqian 1086db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 1087db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1088e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= suffix_.length() && 1089e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(s.length() - suffix_.length()) == suffix_; 1090e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1091e35fdd936d133bf8a48de140a3c666897588a05shiqian 1092e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1093e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "ends with "; 1094e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(suffix_, os); 1095e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1096e35fdd936d133bf8a48de140a3c666897588a05shiqian 1097e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1098e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't end with "; 1099e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(suffix_, os); 1100e35fdd936d133bf8a48de140a3c666897588a05shiqian } 110132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1102e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1103e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType suffix_; 110432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 110532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EndsWithMatcher); 1106e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1107e35fdd936d133bf8a48de140a3c666897588a05shiqian 1108e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements polymorphic matchers MatchesRegex(regex) and 1109e35fdd936d133bf8a48de140a3c666897588a05shiqian// ContainsRegex(regex), which can be used as a Matcher<T> as long as 1110e35fdd936d133bf8a48de140a3c666897588a05shiqian// T can be converted to a string. 1111e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatchesRegexMatcher { 1112e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1113e35fdd936d133bf8a48de140a3c666897588a05shiqian MatchesRegexMatcher(const RE* regex, bool full_match) 1114e35fdd936d133bf8a48de140a3c666897588a05shiqian : regex_(regex), full_match_(full_match) {} 1115e35fdd936d133bf8a48de140a3c666897588a05shiqian 1116e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow MatchesRegex(regex) to be used as 1117e35fdd936d133bf8a48de140a3c666897588a05shiqian // a Matcher<T> as long as T can be converted to string. Returns 1118e35fdd936d133bf8a48de140a3c666897588a05shiqian // true iff s matches regular expression regex. When full_match_ is 1119e35fdd936d133bf8a48de140a3c666897588a05shiqian // true, a full match is done; otherwise a partial match is done. 1120db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const char* s, 1121db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1122db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(internal::string(s), listener); 1123e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1124e35fdd936d133bf8a48de140a3c666897588a05shiqian 1125db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const internal::string& s, 1126db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1127e35fdd936d133bf8a48de140a3c666897588a05shiqian return full_match_ ? RE::FullMatch(s, *regex_) : 1128e35fdd936d133bf8a48de140a3c666897588a05shiqian RE::PartialMatch(s, *regex_); 1129e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1130e35fdd936d133bf8a48de140a3c666897588a05shiqian 1131e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1132e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << (full_match_ ? "matches" : "contains") 1133e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 1134e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 1135e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1136e35fdd936d133bf8a48de140a3c666897588a05shiqian 1137e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1138e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't " << (full_match_ ? "match" : "contain") 1139e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 1140e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 1141e35fdd936d133bf8a48de140a3c666897588a05shiqian } 114232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1143e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1144e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::linked_ptr<const RE> regex_; 1145e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool full_match_; 114632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 114732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MatchesRegexMatcher); 1148e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1149e35fdd936d133bf8a48de140a3c666897588a05shiqian 1150e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares the two fields of a 2-tuple 1151e35fdd936d133bf8a48de140a3c666897588a05shiqian// using one of the ==, <=, <, etc, operators. The two fields being 1152e35fdd936d133bf8a48de140a3c666897588a05shiqian// compared don't have to have the same type. 1153e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1154e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq() can be 1155e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match a tuple<int, short>, a tuple<const long&, double>, 1156e35fdd936d133bf8a48de140a3c666897588a05shiqian// etc). Therefore we use a template type conversion operator in the 1157e35fdd936d133bf8a48de140a3c666897588a05shiqian// implementation. 1158e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1159e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 1160e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 1161ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON2_MATCHER_(name, op, relation) \ 1162e35fdd936d133bf8a48de140a3c666897588a05shiqian class name##2Matcher { \ 1163e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1164e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 1165ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan operator Matcher< ::std::tr1::tuple<T1, T2> >() const { \ 1166ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl< ::std::tr1::tuple<T1, T2> >); \ 1167ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } \ 1168ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename T1, typename T2> \ 1169e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const ::std::tr1::tuple<T1, T2>&>() const { \ 1170ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl<const ::std::tr1::tuple<T1, T2>&>); \ 1171e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1172e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 1173ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename Tuple> \ 1174ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan class Impl : public MatcherInterface<Tuple> { \ 1175e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1176821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( \ 1177ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Tuple args, \ 1178821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { \ 1179e35fdd936d133bf8a48de140a3c666897588a05shiqian return ::std::tr1::get<0>(args) op ::std::tr1::get<1>(args); \ 1180e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1181e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 1182ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "are " relation; \ 1183e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1184e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 1185ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "aren't " relation; \ 1186e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1187e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 1188e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1189e35fdd936d133bf8a48de140a3c666897588a05shiqian 1190e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(), Ge(), Gt(), Le(), Lt(), and Ne() respectively. 1191ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Eq, ==, "an equal pair"); 1192ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1193ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Ge, >=, "a pair where the first >= the second"); 1194ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1195ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Gt, >, "a pair where the first > the second"); 1196ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1197ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Le, <=, "a pair where the first <= the second"); 1198ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1199ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Lt, <, "a pair where the first < the second"); 1200ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ne, !=, "an unequal pair"); 1201e35fdd936d133bf8a48de140a3c666897588a05shiqian 1202e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON2_MATCHER_ 1203e35fdd936d133bf8a48de140a3c666897588a05shiqian 1204c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the Not(...) matcher for a particular argument type T. 1205c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// We do not nest it inside the NotMatcher class template, as that 1206c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// will prevent different instantiations of NotMatcher from sharing 1207c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// the same NotMatcherImpl<T> class. 1208c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1209c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass NotMatcherImpl : public MatcherInterface<T> { 1210c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1211c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan explicit NotMatcherImpl(const Matcher<T>& matcher) 1212c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher_(matcher) {} 1213c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1214821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1215821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return !matcher_.MatchAndExplain(x, listener); 1216c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1217c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1218c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1219c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeNegationTo(os); 1220c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1221c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1222c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1223c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeTo(os); 1224c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1225c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1226c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1227c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher_; 122832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 122932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcherImpl); 1230c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1231c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1232e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Not(m) matcher, which matches a value that doesn't 1233e35fdd936d133bf8a48de140a3c666897588a05shiqian// match matcher m. 1234e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1235e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotMatcher { 1236e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1237e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit NotMatcher(InnerMatcher matcher) : matcher_(matcher) {} 1238e35fdd936d133bf8a48de140a3c666897588a05shiqian 1239e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows Not(m) to be used 1240e35fdd936d133bf8a48de140a3c666897588a05shiqian // to match any type m can match. 1241e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1242e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1243c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new NotMatcherImpl<T>(SafeMatcherCast<T>(matcher_))); 1244e35fdd936d133bf8a48de140a3c666897588a05shiqian } 124532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1246e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1247c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan InnerMatcher matcher_; 124832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 124932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcher); 1250c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1251e35fdd936d133bf8a48de140a3c666897588a05shiqian 1252c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AllOf(m1, m2) matcher for a particular argument type 1253c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the BothOfMatcher class template, as 1254c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of BothOfMatcher from 1255c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same BothOfMatcherImpl<T> class. 1256c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1257c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass BothOfMatcherImpl : public MatcherInterface<T> { 1258c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1259c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan BothOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1260c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1261e35fdd936d133bf8a48de140a3c666897588a05shiqian 1262c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1263c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1264c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1265c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") and ("; 1266c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1267c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1268c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1269e35fdd936d133bf8a48de140a3c666897588a05shiqian 1270c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1271b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1272b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1273b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") or ("; 1274b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1275b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1276c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1277e35fdd936d133bf8a48de140a3c666897588a05shiqian 1278821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1279821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ doesn't match x, we only need 1280821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // to explain why one of them fails. 1281821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1282821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher1_.MatchAndExplain(x, &listener1)) { 1283821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1284821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1285821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1286c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1287821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1288821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher2_.MatchAndExplain(x, &listener2)) { 1289821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1290821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1291821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1292c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1293821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them match. 1294821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1295821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1296821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1297821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1298821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1299c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1300821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1301821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1302b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1303c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1304c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1305821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1306c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 130732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1308c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1309c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1310c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 131132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 131232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcherImpl); 1313e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1314e35fdd936d133bf8a48de140a3c666897588a05shiqian 1315e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AllOf(m_1, ..., m_n) matcher, which 1316e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches all of the matchers m_1, ..., and m_n. 1317e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1318e35fdd936d133bf8a48de140a3c666897588a05shiqianclass BothOfMatcher { 1319e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1320e35fdd936d133bf8a48de140a3c666897588a05shiqian BothOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1321e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1322e35fdd936d133bf8a48de140a3c666897588a05shiqian 1323e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1324e35fdd936d133bf8a48de140a3c666897588a05shiqian // BothOfMatcher<Matcher1, Matcher2> object to match any type that 1325e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1326e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1327e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1328c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new BothOfMatcherImpl<T>(SafeMatcherCast<T>(matcher1_), 1329c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan SafeMatcherCast<T>(matcher2_))); 1330e35fdd936d133bf8a48de140a3c666897588a05shiqian } 133132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1332e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1333c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher1 matcher1_; 1334c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher2 matcher2_; 133532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 133632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcher); 1337c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1338e35fdd936d133bf8a48de140a3c666897588a05shiqian 1339c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AnyOf(m1, m2) matcher for a particular argument type 1340c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the AnyOfMatcher class template, as 1341c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of AnyOfMatcher from 1342c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same EitherOfMatcherImpl<T> class. 1343c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1344c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass EitherOfMatcherImpl : public MatcherInterface<T> { 1345c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1346c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan EitherOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1347c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1348e35fdd936d133bf8a48de140a3c666897588a05shiqian 1349c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1350c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1351c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1352c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") or ("; 1353c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1354c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1355c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1356e35fdd936d133bf8a48de140a3c666897588a05shiqian 1357c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1358b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1359b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1360b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") and ("; 1361b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1362b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1363c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1364c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1365821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1366821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ matches x, we just need to 1367821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explain why *one* of them matches. 1368821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1369821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher1_.MatchAndExplain(x, &listener1)) { 1370821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1371821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1372821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1373c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1374821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1375821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher2_.MatchAndExplain(x, &listener2)) { 1376821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1377821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1378821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1379c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1380821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them fail. 1381821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1382821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1383821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1384821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1385821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1386821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 1387821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1388821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1389b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1390e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1391e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1392821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1393c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 139432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1395c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1396c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1397c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 139832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 139932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcherImpl); 1400e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1401e35fdd936d133bf8a48de140a3c666897588a05shiqian 1402e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AnyOf(m_1, ..., m_n) matcher, which 1403e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches at least one of the matchers m_1, ..., 1404e35fdd936d133bf8a48de140a3c666897588a05shiqian// and m_n. 1405e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1406e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EitherOfMatcher { 1407e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1408e35fdd936d133bf8a48de140a3c666897588a05shiqian EitherOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1409e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1410e35fdd936d133bf8a48de140a3c666897588a05shiqian 1411e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1412e35fdd936d133bf8a48de140a3c666897588a05shiqian // EitherOfMatcher<Matcher1, Matcher2> object to match any type that 1413e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1414e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1415e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 141616cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan return Matcher<T>(new EitherOfMatcherImpl<T>( 141716cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan SafeMatcherCast<T>(matcher1_), SafeMatcherCast<T>(matcher2_))); 1418e35fdd936d133bf8a48de140a3c666897588a05shiqian } 141932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1420e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1421e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher1 matcher1_; 1422e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher2 matcher2_; 142332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 142432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcher); 1425e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1426e35fdd936d133bf8a48de140a3c666897588a05shiqian 1427e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Truly(pred), which turns a predicate into a 1428e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher. 1429e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 1430e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TrulyMatcher { 1431e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1432e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit TrulyMatcher(Predicate pred) : predicate_(pred) {} 1433e35fdd936d133bf8a48de140a3c666897588a05shiqian 1434e35fdd936d133bf8a48de140a3c666897588a05shiqian // This method template allows Truly(pred) to be used as a matcher 1435e35fdd936d133bf8a48de140a3c666897588a05shiqian // for type T where T is the argument type of predicate 'pred'. The 1436e35fdd936d133bf8a48de140a3c666897588a05shiqian // argument is passed by reference as the predicate may be 1437e35fdd936d133bf8a48de140a3c666897588a05shiqian // interested in the address of the argument. 1438e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1439db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(T& x, // NOLINT 1440db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 14418d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // Without the if-statement, MSVC sometimes warns about converting 14428d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // a value to bool (warning 4800). 14438d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // 14448d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // We cannot write 'return !!predicate_(x);' as that doesn't work 14458d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // when predicate_(x) returns a class convertible to bool but 14468d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan // having no operator!(). 14478d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan if (predicate_(x)) 14488d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan return true; 14498d3dc0cdd870ecc53d8a8ba30566b3cd70910863zhanyong.wan return false; 1450e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1451e35fdd936d133bf8a48de140a3c666897588a05shiqian 1452e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1453e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "satisfies the given predicate"; 1454e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1455e35fdd936d133bf8a48de140a3c666897588a05shiqian 1456e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1457e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't satisfy the given predicate"; 1458e35fdd936d133bf8a48de140a3c666897588a05shiqian } 145932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1460e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1461e35fdd936d133bf8a48de140a3c666897588a05shiqian Predicate predicate_; 146232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 146332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(TrulyMatcher); 1464e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1465e35fdd936d133bf8a48de140a3c666897588a05shiqian 1466e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Matches(matcher), which turns a matcher into 1467e35fdd936d133bf8a48de140a3c666897588a05shiqian// a predicate. 1468e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1469e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherAsPredicate { 1470e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1471e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherAsPredicate(M matcher) : matcher_(matcher) {} 1472e35fdd936d133bf8a48de140a3c666897588a05shiqian 1473e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template operator() allows Matches(m) to be used as a 1474e35fdd936d133bf8a48de140a3c666897588a05shiqian // predicate on type T where m is a matcher on type T. 1475e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1476e35fdd936d133bf8a48de140a3c666897588a05shiqian // The argument x is passed by reference instead of by value, as 1477e35fdd936d133bf8a48de140a3c666897588a05shiqian // some matcher may be interested in its address (e.g. as in 1478e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matches(Ref(n))(x)). 1479e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1480e35fdd936d133bf8a48de140a3c666897588a05shiqian bool operator()(const T& x) const { 1481e35fdd936d133bf8a48de140a3c666897588a05shiqian // We let matcher_ commit to a particular type here instead of 1482e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the MatcherAsPredicate object was constructed. This 1483e35fdd936d133bf8a48de140a3c666897588a05shiqian // allows us to write Matches(m) where m is a polymorphic matcher 1484e35fdd936d133bf8a48de140a3c666897588a05shiqian // (e.g. Eq(5)). 1485e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1486e35fdd936d133bf8a48de140a3c666897588a05shiqian // If we write Matcher<T>(matcher_).Matches(x) here, it won't 1487e35fdd936d133bf8a48de140a3c666897588a05shiqian // compile when matcher_ has type Matcher<const T&>; if we write 1488e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_).Matches(x) here, it won't compile 1489e35fdd936d133bf8a48de140a3c666897588a05shiqian // when matcher_ has type Matcher<T>; if we just write 1490e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_.Matches(x), it won't compile when matcher_ is 1491e35fdd936d133bf8a48de140a3c666897588a05shiqian // polymorphic, e.g. Eq(5). 1492e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1493e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherCast<const T&>() is necessary for making the code work 1494e35fdd936d133bf8a48de140a3c666897588a05shiqian // in all of the above situations. 1495e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatcherCast<const T&>(matcher_).Matches(x); 1496e35fdd936d133bf8a48de140a3c666897588a05shiqian } 149732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1498e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1499e35fdd936d133bf8a48de140a3c666897588a05shiqian M matcher_; 150032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 150132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MatcherAsPredicate); 1502e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1503e35fdd936d133bf8a48de140a3c666897588a05shiqian 1504e35fdd936d133bf8a48de140a3c666897588a05shiqian// For implementing ASSERT_THAT() and EXPECT_THAT(). The template 1505e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument M must be a type that can be converted to a matcher. 1506e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1507e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PredicateFormatterFromMatcher { 1508e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1509e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PredicateFormatterFromMatcher(const M& m) : matcher_(m) {} 1510e35fdd936d133bf8a48de140a3c666897588a05shiqian 1511e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template () operator allows a PredicateFormatterFromMatcher 1512e35fdd936d133bf8a48de140a3c666897588a05shiqian // object to act as a predicate-formatter suitable for using with 1513e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Test's EXPECT_PRED_FORMAT1() macro. 1514e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1515e35fdd936d133bf8a48de140a3c666897588a05shiqian AssertionResult operator()(const char* value_text, const T& x) const { 1516e35fdd936d133bf8a48de140a3c666897588a05shiqian // We convert matcher_ to a Matcher<const T&> *now* instead of 1517e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the PredicateFormatterFromMatcher object was constructed, 1518e35fdd936d133bf8a48de140a3c666897588a05shiqian // as matcher_ may be polymorphic (e.g. NotNull()) and we won't 1519e35fdd936d133bf8a48de140a3c666897588a05shiqian // know which type to instantiate it to until we actually see the 1520e35fdd936d133bf8a48de140a3c666897588a05shiqian // type of x here. 1521e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1522e35fdd936d133bf8a48de140a3c666897588a05shiqian // We write MatcherCast<const T&>(matcher_) instead of 1523e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_), as the latter won't compile when 1524e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_ has type Matcher<T> (e.g. An<int>()). 1525e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const T&> matcher = MatcherCast<const T&>(matcher_); 1526821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener; 1527b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (MatchPrintAndExplain(x, matcher, &listener)) 1528e35fdd936d133bf8a48de140a3c666897588a05shiqian return AssertionSuccess(); 1529b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan 1530b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::stringstream ss; 1531b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "Value of: " << value_text << "\n" 1532b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << "Expected: "; 1533b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher.DescribeTo(&ss); 1534b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "\n Actual: " << listener.str(); 1535b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return AssertionFailure() << ss.str(); 1536e35fdd936d133bf8a48de140a3c666897588a05shiqian } 153732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1538e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1539e35fdd936d133bf8a48de140a3c666897588a05shiqian const M matcher_; 154032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 154132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PredicateFormatterFromMatcher); 1542e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1543e35fdd936d133bf8a48de140a3c666897588a05shiqian 1544e35fdd936d133bf8a48de140a3c666897588a05shiqian// A helper function for converting a matcher to a predicate-formatter 1545e35fdd936d133bf8a48de140a3c666897588a05shiqian// without the user needing to explicitly write the type. This is 1546e35fdd936d133bf8a48de140a3c666897588a05shiqian// used for implementing ASSERT_THAT() and EXPECT_THAT(). 1547e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1548e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PredicateFormatterFromMatcher<M> 1549e35fdd936d133bf8a48de140a3c666897588a05shiqianMakePredicateFormatterFromMatcher(const M& matcher) { 1550e35fdd936d133bf8a48de140a3c666897588a05shiqian return PredicateFormatterFromMatcher<M>(matcher); 1551e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1552e35fdd936d133bf8a48de140a3c666897588a05shiqian 1553e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic floating point equality matcher, which 1554e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches two float values using ULP-based approximation. The 1555e35fdd936d133bf8a48de140a3c666897588a05shiqian// template is meant to be instantiated with FloatType being either 1556e35fdd936d133bf8a48de140a3c666897588a05shiqian// float or double. 1557e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename FloatType> 1558e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FloatingEqMatcher { 1559e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1560e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructor for FloatingEqMatcher. 1561e35fdd936d133bf8a48de140a3c666897588a05shiqian // The matcher's input will be compared with rhs. The matcher treats two 1562e35fdd936d133bf8a48de140a3c666897588a05shiqian // NANs as equal if nan_eq_nan is true. Otherwise, under IEEE standards, 1563e35fdd936d133bf8a48de140a3c666897588a05shiqian // equality comparisons between NANs will always return false. 1564e35fdd936d133bf8a48de140a3c666897588a05shiqian FloatingEqMatcher(FloatType rhs, bool nan_eq_nan) : 1565e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1566e35fdd936d133bf8a48de140a3c666897588a05shiqian 1567e35fdd936d133bf8a48de140a3c666897588a05shiqian // Implements floating point equality matcher as a Matcher<T>. 1568e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1569e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1570e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1571e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(FloatType rhs, bool nan_eq_nan) : 1572e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1573e35fdd936d133bf8a48de140a3c666897588a05shiqian 1574821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T value, 1575821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { 1576e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatingPoint<FloatType> lhs(value), rhs(rhs_); 1577e35fdd936d133bf8a48de140a3c666897588a05shiqian 1578e35fdd936d133bf8a48de140a3c666897588a05shiqian // Compares NaNs first, if nan_eq_nan_ is true. 1579e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_ && lhs.is_nan()) { 1580e35fdd936d133bf8a48de140a3c666897588a05shiqian return rhs.is_nan(); 1581e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1582e35fdd936d133bf8a48de140a3c666897588a05shiqian 1583e35fdd936d133bf8a48de140a3c666897588a05shiqian return lhs.AlmostEquals(rhs); 1584e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1585e35fdd936d133bf8a48de140a3c666897588a05shiqian 1586e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1587e35fdd936d133bf8a48de140a3c666897588a05shiqian // os->precision() returns the previously set precision, which we 1588e35fdd936d133bf8a48de140a3c666897588a05shiqian // store to restore the ostream to its original configuration 1589e35fdd936d133bf8a48de140a3c666897588a05shiqian // after outputting. 1590e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1591e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1592e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1593e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1594e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NaN"; 1595e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1596e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 1597e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1598e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1599e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is approximately " << rhs_; 1600e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1601e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1602e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1603e35fdd936d133bf8a48de140a3c666897588a05shiqian 1604e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1605e35fdd936d133bf8a48de140a3c666897588a05shiqian // As before, get original precision. 1606e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1607e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1608e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1609e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1610b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't NaN"; 1611e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1612e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is anything"; 1613e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1614e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1615b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't approximately " << rhs_; 1616e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1617e35fdd936d133bf8a48de140a3c666897588a05shiqian // Restore original precision. 1618e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1619e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1620e35fdd936d133bf8a48de140a3c666897588a05shiqian 1621e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1622e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1623e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 162432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 162532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1626e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1627e35fdd936d133bf8a48de140a3c666897588a05shiqian 1628e35fdd936d133bf8a48de140a3c666897588a05shiqian // The following 3 type conversion operators allow FloatEq(rhs) and 1629e35fdd936d133bf8a48de140a3c666897588a05shiqian // NanSensitiveFloatEq(rhs) to be used as a Matcher<float>, a 1630e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const float&>, or a Matcher<float&>, but nothing else. 1631e35fdd936d133bf8a48de140a3c666897588a05shiqian // (While Google's C++ coding style doesn't allow arguments passed 1632e35fdd936d133bf8a48de140a3c666897588a05shiqian // by non-const reference, we may see them in code not conforming to 1633e35fdd936d133bf8a48de140a3c666897588a05shiqian // the style. Therefore Google Mock needs to support them.) 1634e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType>() const { 1635e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType>(rhs_, nan_eq_nan_)); 1636e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1637e35fdd936d133bf8a48de140a3c666897588a05shiqian 1638e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const FloatType&>() const { 1639e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<const FloatType&>(rhs_, nan_eq_nan_)); 1640e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1641e35fdd936d133bf8a48de140a3c666897588a05shiqian 1642e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType&>() const { 1643e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType&>(rhs_, nan_eq_nan_)); 1644e35fdd936d133bf8a48de140a3c666897588a05shiqian } 164579a367eb217fcd47e2beaf8c0f87fe6d5926f739jgm 1646e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1647e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1648e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 164932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 165032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FloatingEqMatcher); 1651e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1652e35fdd936d133bf8a48de140a3c666897588a05shiqian 1653e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Pointee(m) matcher for matching a pointer whose 1654e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointee matches matcher m. The pointer can be either raw or smart. 1655e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1656e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PointeeMatcher { 1657e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1658e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PointeeMatcher(const InnerMatcher& matcher) : matcher_(matcher) {} 1659e35fdd936d133bf8a48de140a3c666897588a05shiqian 1660e35fdd936d133bf8a48de140a3c666897588a05shiqian // This type conversion operator template allows Pointee(m) to be 1661e35fdd936d133bf8a48de140a3c666897588a05shiqian // used as a matcher for any pointer type whose pointee type is 1662e35fdd936d133bf8a48de140a3c666897588a05shiqian // compatible with the inner matcher, where type Pointer can be 1663e35fdd936d133bf8a48de140a3c666897588a05shiqian // either a raw pointer or a smart pointer. 1664e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1665e35fdd936d133bf8a48de140a3c666897588a05shiqian // The reason we do this instead of relying on 1666e35fdd936d133bf8a48de140a3c666897588a05shiqian // MakePolymorphicMatcher() is that the latter is not flexible 1667e35fdd936d133bf8a48de140a3c666897588a05shiqian // enough for implementing the DescribeTo() method of Pointee(). 1668e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1669e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Pointer>() const { 1670e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Pointer>(matcher_)); 1671e35fdd936d133bf8a48de140a3c666897588a05shiqian } 167232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1673e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1674e35fdd936d133bf8a48de140a3c666897588a05shiqian // The monomorphic implementation that works for a particular pointer type. 1675e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1676e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Pointer> { 1677e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 167802f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef typename PointeeOf<GTEST_REMOVE_CONST_( // NOLINT 167902f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_REMOVE_REFERENCE_(Pointer))>::type Pointee; 1680e35fdd936d133bf8a48de140a3c666897588a05shiqian 1681e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const InnerMatcher& matcher) 1682e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher_(MatcherCast<const Pointee&>(matcher)) {} 1683e35fdd936d133bf8a48de140a3c666897588a05shiqian 1684e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1685e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "points to a value that "; 1686e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1687e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1688e35fdd936d133bf8a48de140a3c666897588a05shiqian 1689e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1690e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not point to a value that "; 1691e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1692e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1693e35fdd936d133bf8a48de140a3c666897588a05shiqian 1694821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Pointer pointer, 1695821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 1696e35fdd936d133bf8a48de140a3c666897588a05shiqian if (GetRawPointer(pointer) == NULL) 1697821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1698e35fdd936d133bf8a48de140a3c666897588a05shiqian 1699676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to "; 1700676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(*pointer, matcher_, listener); 1701e35fdd936d133bf8a48de140a3c666897588a05shiqian } 170232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1703e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1704e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const Pointee&> matcher_; 170532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 170632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1707e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1708e35fdd936d133bf8a48de140a3c666897588a05shiqian 1709e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher matcher_; 171032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 171132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PointeeMatcher); 1712e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1713e35fdd936d133bf8a48de140a3c666897588a05shiqian 1714e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Field() matcher for matching a field (i.e. member 1715e35fdd936d133bf8a48de140a3c666897588a05shiqian// variable) of an object. 1716e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType> 1717e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FieldMatcher { 1718e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1719e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldMatcher(FieldType Class::*field, 1720e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&>& matcher) 1721e35fdd936d133bf8a48de140a3c666897588a05shiqian : field_(field), matcher_(matcher) {} 1722e35fdd936d133bf8a48de140a3c666897588a05shiqian 1723e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1724676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1725e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1726e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1727e35fdd936d133bf8a48de140a3c666897588a05shiqian 1728e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1729676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1730e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1731e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1732e35fdd936d133bf8a48de140a3c666897588a05shiqian 1733db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1734db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T& value, MatchResultListener* listener) const { 1735db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1736db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 173702f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan is_pointer<GTEST_REMOVE_CONST_(T)>::type(), 1738db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1739db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1740db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1741db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1742db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 174318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 174418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Field() matcher is used to match a pointer. 1745db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1746db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1747676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given field is "; 1748676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(obj.*field_, matcher_, listener); 1749e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1750e35fdd936d133bf8a48de140a3c666897588a05shiqian 1751db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1752db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1753821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1754821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1755821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1756676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1757821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a field, it must be a class/struct/union type and 1758821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // thus cannot be a pointer. Therefore we pass false_type() as 1759821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // the first argument. 1760db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1761e35fdd936d133bf8a48de140a3c666897588a05shiqian } 176232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1763e35fdd936d133bf8a48de140a3c666897588a05shiqian const FieldType Class::*field_; 1764e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&> matcher_; 176532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 176632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FieldMatcher); 1767e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1768e35fdd936d133bf8a48de140a3c666897588a05shiqian 1769e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Property() matcher for matching a property 1770e35fdd936d133bf8a48de140a3c666897588a05shiqian// (i.e. return value of a getter method) of an object. 1771e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType> 1772e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PropertyMatcher { 1773e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1774e35fdd936d133bf8a48de140a3c666897588a05shiqian // The property may have a reference type, so 'const PropertyType&' 1775e35fdd936d133bf8a48de140a3c666897588a05shiqian // may cause double references and fail to compile. That's why we 177602f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan // need GTEST_REFERENCE_TO_CONST, which works regardless of 1777e35fdd936d133bf8a48de140a3c666897588a05shiqian // PropertyType being a reference or not. 177802f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef GTEST_REFERENCE_TO_CONST_(PropertyType) RefToConstProperty; 1779e35fdd936d133bf8a48de140a3c666897588a05shiqian 1780e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyMatcher(PropertyType (Class::*property)() const, 1781e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty>& matcher) 1782e35fdd936d133bf8a48de140a3c666897588a05shiqian : property_(property), matcher_(matcher) {} 1783e35fdd936d133bf8a48de140a3c666897588a05shiqian 1784e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1785676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1786e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1787e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1788e35fdd936d133bf8a48de140a3c666897588a05shiqian 1789e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1790676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1791e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1792e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1793e35fdd936d133bf8a48de140a3c666897588a05shiqian 1794db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1795db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T&value, MatchResultListener* listener) const { 1796db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1797db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 179802f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan is_pointer<GTEST_REMOVE_CONST_(T)>::type(), 1799db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1800db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1801db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1802db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1803db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 180418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 180518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Property() matcher is used to match a pointer. 1806db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1807db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1808676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given property is "; 1809676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to MatchPrintAndExplain, 1810676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // which takes a non-const reference as argument. 1811676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan RefToConstProperty result = (obj.*property_)(); 1812676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1813e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1814e35fdd936d133bf8a48de140a3c666897588a05shiqian 1815db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1816db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1817821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1818821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1819821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1820676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1821821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a property method, it must be a class/struct/union 1822821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // type and thus cannot be a pointer. Therefore we pass 1823821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // false_type() as the first argument. 1824db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1825e35fdd936d133bf8a48de140a3c666897588a05shiqian } 182632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1827e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property_)() const; 1828e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty> matcher_; 182932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 183032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PropertyMatcher); 1831e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1832e35fdd936d133bf8a48de140a3c666897588a05shiqian 1833e35fdd936d133bf8a48de140a3c666897588a05shiqian// Type traits specifying various features of different functors for ResultOf. 1834e35fdd936d133bf8a48de140a3c666897588a05shiqian// The default template specifies features for functor objects. 1835e35fdd936d133bf8a48de140a3c666897588a05shiqian// Functor classes have to typedef argument_type and result_type 1836e35fdd936d133bf8a48de140a3c666897588a05shiqian// to be compatible with ResultOf. 1837e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Functor> 1838e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits { 1839e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename Functor::result_type ResultType; 1840e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef Functor StorageType; 1841e35fdd936d133bf8a48de140a3c666897588a05shiqian 184232de5f53763125925e078498250f7e73a88de9edzhanyong.wan static void CheckIsValid(Functor /* functor */) {} 1843e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1844e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResultType Invoke(Functor f, T arg) { return f(arg); } 1845e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1846e35fdd936d133bf8a48de140a3c666897588a05shiqian 1847e35fdd936d133bf8a48de140a3c666897588a05shiqian// Specialization for function pointers. 1848e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename ArgType, typename ResType> 1849e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits<ResType(*)(ArgType)> { 1850e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType ResultType; 1851e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType(*StorageType)(ArgType); 1852e35fdd936d133bf8a48de140a3c666897588a05shiqian 1853e35fdd936d133bf8a48de140a3c666897588a05shiqian static void CheckIsValid(ResType(*f)(ArgType)) { 1854f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan GTEST_CHECK_(f != NULL) 1855e35fdd936d133bf8a48de140a3c666897588a05shiqian << "NULL function pointer is passed into ResultOf()."; 1856e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1857e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1858e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResType Invoke(ResType(*f)(ArgType), T arg) { 1859e35fdd936d133bf8a48de140a3c666897588a05shiqian return (*f)(arg); 1860e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1861e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1862e35fdd936d133bf8a48de140a3c666897588a05shiqian 1863e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the ResultOf() matcher for matching a return value of a 1864e35fdd936d133bf8a48de140a3c666897588a05shiqian// unary function of an object. 1865e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable> 1866e35fdd936d133bf8a48de140a3c666897588a05shiqianclass ResultOfMatcher { 1867e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1868e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::ResultType ResultType; 1869e35fdd936d133bf8a48de140a3c666897588a05shiqian 1870e35fdd936d133bf8a48de140a3c666897588a05shiqian ResultOfMatcher(Callable callable, const Matcher<ResultType>& matcher) 1871e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) { 1872e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::CheckIsValid(callable_); 1873e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1874e35fdd936d133bf8a48de140a3c666897588a05shiqian 1875e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1876e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1877e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl<T>(callable_, matcher_)); 1878e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1879e35fdd936d133bf8a48de140a3c666897588a05shiqian 1880e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1881e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::StorageType CallableStorageType; 1882e35fdd936d133bf8a48de140a3c666897588a05shiqian 1883e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1884e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1885e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1886e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(CallableStorageType callable, const Matcher<ResultType>& matcher) 1887e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) {} 1888e35fdd936d133bf8a48de140a3c666897588a05shiqian 1889e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1890676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1891e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1892e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1893e35fdd936d133bf8a48de140a3c666897588a05shiqian 1894e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1895676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1896e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1897e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1898e35fdd936d133bf8a48de140a3c666897588a05shiqian 1899821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T obj, MatchResultListener* listener) const { 1900676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which is mapped by the given callable to "; 1901676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to 1902676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // MatchPrintAndExplain, which takes a non-const reference as argument. 1903676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ResultType result = 1904676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan CallableTraits<Callable>::template Invoke<T>(callable_, obj); 1905676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1906e35fdd936d133bf8a48de140a3c666897588a05shiqian } 190732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1908e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1909e35fdd936d133bf8a48de140a3c666897588a05shiqian // Functors often define operator() as non-const method even though 1910e35fdd936d133bf8a48de140a3c666897588a05shiqian // they are actualy stateless. But we need to use them even when 1911e35fdd936d133bf8a48de140a3c666897588a05shiqian // 'this' is a const pointer. It's the user's responsibility not to 1912e35fdd936d133bf8a48de140a3c666897588a05shiqian // use stateful callables with ResultOf(), which does't guarantee 1913e35fdd936d133bf8a48de140a3c666897588a05shiqian // how many times the callable will be invoked. 1914e35fdd936d133bf8a48de140a3c666897588a05shiqian mutable CallableStorageType callable_; 1915e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 191632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 191732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1918e35fdd936d133bf8a48de140a3c666897588a05shiqian }; // class Impl 1919e35fdd936d133bf8a48de140a3c666897588a05shiqian 1920e35fdd936d133bf8a48de140a3c666897588a05shiqian const CallableStorageType callable_; 1921e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 192232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 192332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ResultOfMatcher); 1924e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1925e35fdd936d133bf8a48de140a3c666897588a05shiqian 19266a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Implements an equality matcher for any STL-style container whose elements 19276a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// support ==. This matcher is like Eq(), but its failure explanations provide 19286a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// more detailed information that is useful when the container is used as a set. 19296a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// The failure message reports elements that are in one of the operands but not 19306a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// the other. The failure messages do not report duplicate or out-of-order 19316a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// elements in the containers (which don't properly matter to sets, but can 19326a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// occur if the containers are vectors or lists, for example). 19336a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// 19346a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Uses the container's const_iterator, value_type, operator ==, 19356a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// begin(), and end(). 19366a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 19376a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wanclass ContainerEqMatcher { 19386a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan public: 1939b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<Container> View; 1940b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1941b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1942b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1943b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // We make a copy of rhs in case the elements in it are modified 1944b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // after this matcher is created. 1945b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainerEqMatcher(const Container& rhs) : rhs_(View::Copy(rhs)) { 1946b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Makes sure the user doesn't instantiate this class template 1947b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // with a const or reference type. 1948ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan (void)testing::StaticAssertTypeEq<Container, 1949ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>(); 1950b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1951b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 19526a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeTo(::std::ostream* os) const { 19536a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "equals "; 1954e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); 19556a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19566a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 19576a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "does not equal "; 1958e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); 19596a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19606a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1961b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename LhsContainer> 1962e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool MatchAndExplain(const LhsContainer& lhs, 1963e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan MatchResultListener* listener) const { 196402f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan // GTEST_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug 1965b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // that causes LhsContainer to be a const type sometimes. 196602f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef internal::StlContainerView<GTEST_REMOVE_CONST_(LhsContainer)> 1967b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan LhsView; 1968b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename LhsView::type LhsStlContainer; 1969b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 1970e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (lhs_stl_container == rhs_) 1971e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return true; 1972b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1973e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan ::std::ostream* const os = listener->stream(); 1974e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (os != NULL) { 1975b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Something is different. Check for extra values first. 1976e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header = false; 1977e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename LhsStlContainer::const_iterator it = 1978e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(); 1979e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != lhs_stl_container.end(); ++it) { 1980e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) == 1981e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan rhs_.end()) { 1982e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header) { 1983e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 1984e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 1985b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "which has these unexpected elements: "; 1986e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header = true; 1987e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 1988e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(*it, os); 19896a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19906a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19916a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1992b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Now check for missing values. 1993e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header2 = false; 1994e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename StlContainer::const_iterator it = rhs_.begin(); 1995e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != rhs_.end(); ++it) { 1996e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind( 1997e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(), lhs_stl_container.end(), *it) == 1998e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.end()) { 1999e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header2) { 2000e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 2001e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 2002b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << (printed_header ? ",\nand" : "which") 2003b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << " doesn't have these expected elements: "; 2004e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header2 = true; 2005e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 2006e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(*it, os); 20076a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 20086a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 20096a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 2010e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan 2011e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return false; 20126a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 201332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 20146a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan private: 2015b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const StlContainer rhs_; 201632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 201732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainerEqMatcher); 20186a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan}; 20196a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 2020898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// A comparator functor that uses the < operator to compare two values. 2021898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wanstruct LessComparator { 2022898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan template <typename T, typename U> 2023898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan bool operator()(const T& lhs, const U& rhs) const { return lhs < rhs; } 2024898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan}; 2025898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2026898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// Implements WhenSortedBy(comparator, container_matcher). 2027898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wantemplate <typename Comparator, typename ContainerMatcher> 2028898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wanclass WhenSortedByMatcher { 2029898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan public: 2030898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan WhenSortedByMatcher(const Comparator& comparator, 2031898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const ContainerMatcher& matcher) 2032898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan : comparator_(comparator), matcher_(matcher) {} 2033898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2034898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan template <typename LhsContainer> 2035898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan operator Matcher<LhsContainer>() const { 2036898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan return MakeMatcher(new Impl<LhsContainer>(comparator_, matcher_)); 2037898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan } 2038898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2039898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan template <typename LhsContainer> 2040898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan class Impl : public MatcherInterface<LhsContainer> { 2041898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan public: 2042898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan typedef internal::StlContainerView< 2043898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)> LhsView; 2044898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan typedef typename LhsView::type LhsStlContainer; 2045898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan typedef typename LhsView::const_reference LhsStlContainerReference; 2046898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan typedef typename LhsStlContainer::value_type LhsValue; 2047898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2048898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan Impl(const Comparator& comparator, const ContainerMatcher& matcher) 2049898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan : comparator_(comparator), matcher_(matcher) {} 2050898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2051898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2052898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan *os << "(when sorted) "; 2053898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan matcher_.DescribeTo(os); 2054898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan } 2055898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2056898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2057898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan *os << "(when sorted) "; 2058898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan matcher_.DescribeNegationTo(os); 2059898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan } 2060898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2061898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan virtual bool MatchAndExplain(LhsContainer lhs, 2062898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan MatchResultListener* listener) const { 2063898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan LhsStlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 2064898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan std::vector<LhsValue> sorted_container(lhs_stl_container.begin(), 2065898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan lhs_stl_container.end()); 2066898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan std::sort(sorted_container.begin(), sorted_container.end(), comparator_); 2067898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2068898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan if (!listener->IsInterested()) { 2069898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan // If the listener is not interested, we do not need to 2070898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan // construct the inner explanation. 2071898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan return matcher_.Matches(sorted_container); 2072898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan } 2073898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2074898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan *listener << "which is "; 2075898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan UniversalPrint(sorted_container, listener->stream()); 2076898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan *listener << " when sorted"; 2077898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2078898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan StringMatchResultListener inner_listener; 2079898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const bool match = matcher_.MatchAndExplain(sorted_container, 2080898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan &inner_listener); 2081898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 2082898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan return match; 2083898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan } 2084898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2085898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan private: 2086898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const Comparator comparator_; 2087898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const Matcher<const std::vector<LhsValue>&> matcher_; 2088898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2089898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan GTEST_DISALLOW_COPY_AND_ASSIGN_(Impl); 2090898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan }; 2091898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2092898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan private: 2093898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const Comparator comparator_; 2094898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const ContainerMatcher matcher_; 2095898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2096898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan GTEST_DISALLOW_ASSIGN_(WhenSortedByMatcher); 2097898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan}; 2098898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 2099ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// Implements Pointwise(tuple_matcher, rhs_container). tuple_matcher 2100ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// must be able to be safely cast to Matcher<tuple<const T1&, const 2101ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// T2&> >, where T1 and T2 are the types of elements in the LHS 2102ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// container and the RHS container respectively. 2103ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wantemplate <typename TupleMatcher, typename RhsContainer> 2104ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanclass PointwiseMatcher { 2105ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan public: 2106ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef internal::StlContainerView<RhsContainer> RhsView; 2107ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename RhsView::type RhsStlContainer; 2108ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename RhsStlContainer::value_type RhsValue; 2109ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2110ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // Like ContainerEq, we make a copy of rhs in case the elements in 2111ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // it are modified after this matcher is created. 2112ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan PointwiseMatcher(const TupleMatcher& tuple_matcher, const RhsContainer& rhs) 2113ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan : tuple_matcher_(tuple_matcher), rhs_(RhsView::Copy(rhs)) { 2114ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // Makes sure the user doesn't instantiate this class template 2115ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // with a const or reference type. 2116ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan (void)testing::StaticAssertTypeEq<RhsContainer, 2117ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(RhsContainer)>(); 2118ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2119ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2120ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename LhsContainer> 2121ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan operator Matcher<LhsContainer>() const { 2122ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl<LhsContainer>(tuple_matcher_, rhs_)); 2123ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2124ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2125ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename LhsContainer> 2126ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan class Impl : public MatcherInterface<LhsContainer> { 2127ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan public: 2128ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef internal::StlContainerView< 2129ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)> LhsView; 2130ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsView::type LhsStlContainer; 2131ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsView::const_reference LhsStlContainerReference; 2132ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsStlContainer::value_type LhsValue; 2133ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // We pass the LHS value and the RHS value to the inner matcher by 2134ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // reference, as they may be expensive to copy. We must use tuple 2135ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // instead of pair here, as a pair cannot hold references (C++ 98, 2136ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // 20.2.2 [lib.pairs]). 2137ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef std::tr1::tuple<const LhsValue&, const RhsValue&> InnerMatcherArg; 2138ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2139ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Impl(const TupleMatcher& tuple_matcher, const RhsStlContainer& rhs) 2140ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // mono_tuple_matcher_ holds a monomorphic version of the tuple matcher. 2141ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan : mono_tuple_matcher_(SafeMatcherCast<InnerMatcherArg>(tuple_matcher)), 2142ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan rhs_(rhs) {} 2143ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2144ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2145ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "contains " << rhs_.size() 2146ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " values, where each value and its corresponding value in "; 2147ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrinter<RhsStlContainer>::Print(rhs_, os); 2148ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << " "; 2149ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan mono_tuple_matcher_.DescribeTo(os); 2150ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2151ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2152ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "doesn't contain exactly " << rhs_.size() 2153ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " values, or contains a value x at some index i" 2154ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " where x and the i-th value of "; 2155ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(rhs_, os); 2156ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << " "; 2157ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan mono_tuple_matcher_.DescribeNegationTo(os); 2158ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2159ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2160ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual bool MatchAndExplain(LhsContainer lhs, 2161ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan MatchResultListener* listener) const { 2162ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan LhsStlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 2163ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const size_t actual_size = lhs_stl_container.size(); 2164ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (actual_size != rhs_.size()) { 2165ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << "which contains " << actual_size << " values"; 2166ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2167ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2168ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2169ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typename LhsStlContainer::const_iterator left = lhs_stl_container.begin(); 2170ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typename RhsStlContainer::const_iterator right = rhs_.begin(); 2171ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan for (size_t i = 0; i != actual_size; ++i, ++left, ++right) { 2172ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const InnerMatcherArg value_pair(*left, *right); 2173ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2174ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (listener->IsInterested()) { 2175ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan StringMatchResultListener inner_listener; 2176ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (!mono_tuple_matcher_.MatchAndExplain( 2177ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan value_pair, &inner_listener)) { 2178ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << "where the value pair ("; 2179ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(*left, listener->stream()); 2180ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << ", "; 2181ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(*right, listener->stream()); 2182ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << ") at index #" << i << " don't match"; 2183ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 2184ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2185ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2186ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } else { 2187ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (!mono_tuple_matcher_.Matches(value_pair)) 2188ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2189ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2190ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2191ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2192ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return true; 2193ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2194ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2195ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan private: 2196ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const Matcher<InnerMatcherArg> mono_tuple_matcher_; 2197ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const RhsStlContainer rhs_; 2198ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2199ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 2200ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan }; 2201ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2202ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan private: 2203ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const TupleMatcher tuple_matcher_; 2204ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const RhsStlContainer rhs_; 2205ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2206ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_DISALLOW_ASSIGN_(PointwiseMatcher); 2207ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan}; 2208ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 220933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Holds the logic common to ContainsMatcherImpl and EachMatcherImpl. 2210b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename Container> 221133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass QuantifierMatcherImpl : public MatcherInterface<Container> { 2212b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 2213ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 2214b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef StlContainerView<RawContainer> View; 2215b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 2216b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 2217b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename StlContainer::value_type Element; 2218b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2219b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename InnerMatcher> 222033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit QuantifierMatcherImpl(InnerMatcher inner_matcher) 2221b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan : inner_matcher_( 222233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan testing::SafeMatcherCast<const Element&>(inner_matcher)) {} 222333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 222433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // Checks whether: 222533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // * All elements in the container match, if all_elements_should_match. 222633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // * Any element in the container matches, if !all_elements_should_match. 222733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan bool MatchAndExplainImpl(bool all_elements_should_match, 222833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan Container container, 222933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan MatchResultListener* listener) const { 223033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 223133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan size_t i = 0; 223233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan for (typename StlContainer::const_iterator it = stl_container.begin(); 223333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan it != stl_container.end(); ++it, ++i) { 223433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan StringMatchResultListener inner_listener; 223533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const bool matches = inner_matcher_.MatchAndExplain(*it, &inner_listener); 223633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 223733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan if (matches != all_elements_should_match) { 223833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *listener << "whose element #" << i 223933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan << (matches ? " matches" : " doesn't match"); 224033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 224133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return !all_elements_should_match; 224233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 224333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 224433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return all_elements_should_match; 224533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 224633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 224733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan protected: 224833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const Matcher<const Element&> inner_matcher_; 224933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 225033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(QuantifierMatcherImpl); 225133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 225233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 225333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements Contains(element_matcher) for the given argument type Container. 225433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Symmetric to EachMatcherImpl. 225533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename Container> 225633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass ContainsMatcherImpl : public QuantifierMatcherImpl<Container> { 225733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 225833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename InnerMatcher> 225933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit ContainsMatcherImpl(InnerMatcher inner_matcher) 226033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan : QuantifierMatcherImpl<Container>(inner_matcher) {} 2261b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2262b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what this matcher does. 2263b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2264b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "contains at least one element that "; 226533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 2266b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2267b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2268b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2269b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "doesn't contain any element that "; 227033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 2271b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2272b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2273821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 2274821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 227533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return this->MatchAndExplainImpl(false, container, listener); 2276b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2277b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2278b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 227932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcherImpl); 2280b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 2281b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 228233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements Each(element_matcher) for the given argument type Container. 228333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Symmetric to ContainsMatcherImpl. 228433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename Container> 228533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass EachMatcherImpl : public QuantifierMatcherImpl<Container> { 228633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 228733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename InnerMatcher> 228833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit EachMatcherImpl(InnerMatcher inner_matcher) 228933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan : QuantifierMatcherImpl<Container>(inner_matcher) {} 229033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 229133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // Describes what this matcher does. 229233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 229333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *os << "only contains elements that "; 229433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 229533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 229633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 229733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 229833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *os << "contains some element that "; 229933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeNegationTo(os); 230033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 230133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 230233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual bool MatchAndExplain(Container container, 230333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan MatchResultListener* listener) const { 230433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return this->MatchAndExplainImpl(true, container, listener); 230533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 230633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 230733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan private: 230833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(EachMatcherImpl); 230933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 231033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 2311b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements polymorphic Contains(element_matcher). 2312b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 2313b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcher { 2314b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 2315b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcher(M m) : inner_matcher_(m) {} 2316b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2317b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename Container> 2318b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan operator Matcher<Container>() const { 2319b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return MakeMatcher(new ContainsMatcherImpl<Container>(inner_matcher_)); 2320b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2321b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2322b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 2323b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const M inner_matcher_; 232432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 232532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcher); 2326b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 2327b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 232833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements polymorphic Each(element_matcher). 232933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename M> 233033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass EachMatcher { 233133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 233233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit EachMatcher(M m) : inner_matcher_(m) {} 233333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 233433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename Container> 233533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan operator Matcher<Container>() const { 233633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return MakeMatcher(new EachMatcherImpl<Container>(inner_matcher_)); 233733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 233833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 233933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan private: 234033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const M inner_matcher_; 234133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 234233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(EachMatcher); 234333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 234433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 2345b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements Key(inner_matcher) for the given argument pair type. 2346b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 2347b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 2348b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 2349b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename PairType> 2350b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcherImpl : public MatcherInterface<PairType> { 2351b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2352ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType; 2353b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef typename RawPairType::first_type KeyType; 2354b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2355b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename InnerMatcher> 2356b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcherImpl(InnerMatcher inner_matcher) 2357b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan : inner_matcher_( 2358b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan testing::SafeMatcherCast<const KeyType&>(inner_matcher)) { 2359b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2360b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2361b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Returns true iff 'key_value.first' (the key) matches the inner matcher. 2362821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType key_value, 2363821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2364b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan StringMatchResultListener inner_listener; 2365b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const bool match = inner_matcher_.MatchAndExplain(key_value.first, 2366b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan &inner_listener); 2367b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const internal::string explanation = inner_listener.str(); 2368b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (explanation != "") { 2369b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose first field is a value " << explanation; 2370b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan } 2371b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return match; 2372b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2373b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2374b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what this matcher does. 2375b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2376b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "has a key that "; 2377b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2378b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2379b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2380b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what the negation of this matcher does. 2381b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2382b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "doesn't have a key that "; 2383b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2384b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2385b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2386b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2387b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const Matcher<const KeyType&> inner_matcher_; 238832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 238932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcherImpl); 2390b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2391b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2392b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements polymorphic Key(matcher_for_key). 2393b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 2394b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcher { 2395b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2396b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcher(M m) : matcher_for_key_(m) {} 2397b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2398b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename PairType> 2399b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan operator Matcher<PairType>() const { 2400b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return MakeMatcher(new KeyMatcherImpl<PairType>(matcher_for_key_)); 2401b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2402b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2403b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2404b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const M matcher_for_key_; 240532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 240632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcher); 2407b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2408b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2409f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements Pair(first_matcher, second_matcher) for the given argument pair 2410f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// type with its two matchers. See Pair() function below. 2411f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename PairType> 2412f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcherImpl : public MatcherInterface<PairType> { 2413f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2414ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType; 2415f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::first_type FirstType; 2416f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::second_type SecondType; 2417f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2418f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename FirstMatcher, typename SecondMatcher> 2419f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcherImpl(FirstMatcher first_matcher, SecondMatcher second_matcher) 2420f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_( 2421f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const FirstType&>(first_matcher)), 2422f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_( 2423f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const SecondType&>(second_matcher)) { 2424f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2425f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2426f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what this matcher does. 2427f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2428f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2429f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeTo(os); 2430f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", and has a second field that "; 2431f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeTo(os); 2432f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2433f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2434f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what the negation of this matcher does. 2435f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2436f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2437f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeNegationTo(os); 2438f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", or has a second field that "; 2439f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeNegationTo(os); 2440f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2441f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2442821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns true iff 'a_pair.first' matches first_matcher and 'a_pair.second' 2443821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // matches second_matcher. 2444821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType a_pair, 2445821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2446676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!listener->IsInterested()) { 2447676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // If the listener is not interested, we don't need to construct the 2448676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // explanation. 2449676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return first_matcher_.Matches(a_pair.first) && 2450676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan second_matcher_.Matches(a_pair.second); 2451821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2452676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener first_inner_listener; 2453676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!first_matcher_.MatchAndExplain(a_pair.first, 2454676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &first_inner_listener)) { 2455676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose first field does not match"; 2456b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(first_inner_listener.str(), listener->stream()); 2457821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2458f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2459676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener second_inner_listener; 2460676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!second_matcher_.MatchAndExplain(a_pair.second, 2461676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &second_inner_listener)) { 2462676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose second field does not match"; 2463b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(second_inner_listener.str(), listener->stream()); 2464821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2465f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2466676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ExplainSuccess(first_inner_listener.str(), second_inner_listener.str(), 2467676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan listener); 2468821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 2469f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2470f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2471f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2472676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan void ExplainSuccess(const internal::string& first_explanation, 2473676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan const internal::string& second_explanation, 2474676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan MatchResultListener* listener) const { 2475676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose both fields match"; 2476676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2477676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", where the first field is a value " << first_explanation; 2478676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2479676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (second_explanation != "") { 2480676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", "; 2481676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2482676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "and "; 2483676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } else { 2484676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "where "; 2485676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2486676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "the second field is a value " << second_explanation; 2487676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2488676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2489676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 2490f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const FirstType&> first_matcher_; 2491f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const SecondType&> second_matcher_; 249232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 249332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcherImpl); 2494f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2495f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2496f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements polymorphic Pair(first_matcher, second_matcher). 2497f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2498f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcher { 2499f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2500f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcher(FirstMatcher first_matcher, SecondMatcher second_matcher) 2501f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_(first_matcher), second_matcher_(second_matcher) {} 2502f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2503f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename PairType> 2504f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan operator Matcher<PairType> () const { 2505f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return MakeMatcher( 2506f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan new PairMatcherImpl<PairType>( 2507f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_, second_matcher_)); 2508f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2509f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2510f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2511f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const FirstMatcher first_matcher_; 2512f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const SecondMatcher second_matcher_; 251332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 251432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcher); 2515f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2516f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 25171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() and ElementsAreArray(). 25181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename Container> 25191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcherImpl : public MatcherInterface<Container> { 25201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 2521ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 25221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef internal::StlContainerView<RawContainer> View; 25231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::type StlContainer; 25241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::const_reference StlContainerReference; 25251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename StlContainer::value_type Element; 25261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Constructs the matcher from a sequence of element values or 25281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // element matchers. 25291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename InputIter> 253032de5f53763125925e078498250f7e73a88de9edzhanyong.wan ElementsAreMatcherImpl(InputIter first, size_t a_count) { 253132de5f53763125925e078498250f7e73a88de9edzhanyong.wan matchers_.reserve(a_count); 25321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan InputIter it = first; 253332de5f53763125925e078498250f7e73a88de9edzhanyong.wan for (size_t i = 0; i != a_count; ++i, ++it) { 25341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_.push_back(MatcherCast<const Element&>(*it)); 25351afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what this matcher does. 25391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 25401afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 25411afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "is empty"; 25421afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else if (count() == 1) { 25431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has 1 element that "; 25441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[0].DescribeTo(os); 25451afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else { 25461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has " << Elements(count()) << " where\n"; 25471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2548b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 25491afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeTo(os); 25501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 25511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ",\n"; 25521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what the negation of this matcher does. 25581afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 25591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 2560b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't empty"; 25611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 25621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2564b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "doesn't have " << Elements(count()) << ", or\n"; 25651afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2566b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 25671afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeNegationTo(os); 25681afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 25691afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ", or\n"; 25701afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25721afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25731afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2574821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 2575821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 25761afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 2577821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const size_t actual_count = stl_container.size(); 2578821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != count()) { 2579821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The element count doesn't match. If the container is empty, 2580821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // there's no need to explain anything as Google Mock already 2581821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // prints the empty container. Otherwise we just need to show 2582821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // how many elements there actually are. 2583821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != 0) { 2584b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "which has " << Elements(actual_count); 25851afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2586821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2587821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 25881afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2589821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 2590821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explanations[i] is the explanation of the element at index i. 2591821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan std::vector<internal::string> explanations(count()); 2592821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 2593821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener s; 2594821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matchers_[i].MatchAndExplain(*it, &s)) { 2595821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan explanations[i] = s.str(); 2596821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 2597821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The container has the right size but the i-th element 2598821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // doesn't match its expectation. 2599b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " doesn't match"; 2600b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(s.str(), listener->stream()); 2601821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2602821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2603821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 26041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2605821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Every element matches its expectation. We need to explain why 2606821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // (the obvious ones can be skipped). 2607821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan bool reason_printed = false; 2608821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2609821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string& s = explanations[i]; 2610821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!s.empty()) { 2611821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (reason_printed) { 2612b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ",\nand "; 26131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2614b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " matches, " << s; 2615821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan reason_printed = true; 26161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 26171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2618821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 2619821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 26201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 26211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 26231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan static Message Elements(size_t count) { 26241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return Message() << count << (count == 1 ? " element" : " elements"); 26251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 26261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan size_t count() const { return matchers_.size(); } 26281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan std::vector<Matcher<const Element&> > matchers_; 262932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 263032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreMatcherImpl); 26311afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 26321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26331afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() of 0 arguments. 26341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcher0 { 26351afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 26361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreMatcher0() {} 26371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 26391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 2640ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 26411afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 26421afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 26431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Matcher<const Element&>* const matchers = NULL; 26451afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(matchers, 0)); 26461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 26471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 26481afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26491afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAreArray(). 26501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename T> 26511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreArrayMatcher { 26521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 26531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreArrayMatcher(const T* first, size_t count) : 26541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan first_(first), count_(count) {} 26551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 26571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 2658ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 26591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 26601afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 26611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(first_, count_)); 26631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 26641afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 26651afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 26661afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const T* const first_; 26671afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const size_t count_; 266832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 266932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreArrayMatcher); 26701afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 26711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2672b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// Returns the description for a matcher defined using the MATCHER*() 2673b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// macro where the user-supplied description string is "", if 2674b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// 'negation' is false; otherwise returns the description of the 2675b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// negation of the matcher. 'param_values' contains a list of strings 2676b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// that are the print-out of the matcher's parameters. 2677587c1b37c2f0b6d430fb13ce09326db0135b557cvladlosevGTEST_API_ string FormatMatcherDescription(bool negation, 2678587c1b37c2f0b6d430fb13ce09326db0135b557cvladlosev const char* matcher_name, 2679587c1b37c2f0b6d430fb13ce09326db0135b557cvladlosev const Strings& param_values); 26801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2681e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 2682e35fdd936d133bf8a48de140a3c666897588a05shiqian 2683e35fdd936d133bf8a48de140a3c666897588a05shiqian// _ is a matcher that matches anything of any type. 2684e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2685e35fdd936d133bf8a48de140a3c666897588a05shiqian// This definition is fine as: 2686e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2687e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1. The C++ standard permits using the name _ in a namespace that 2688e35fdd936d133bf8a48de140a3c666897588a05shiqian// is not the global namespace or ::std. 2689e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2. The AnythingMatcher class has no data member or constructor, 2690e35fdd936d133bf8a48de140a3c666897588a05shiqian// so it's OK to create global variables of this type. 2691e35fdd936d133bf8a48de140a3c666897588a05shiqian// 3. c-style has approved of using _ in this case. 2692e35fdd936d133bf8a48de140a3c666897588a05shiqianconst internal::AnythingMatcher _ = {}; 2693e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2694e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2695e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> A() { return MakeMatcher(new internal::AnyMatcherImpl<T>()); } 2696e35fdd936d133bf8a48de140a3c666897588a05shiqian 2697e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2698e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2699e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> An() { return A<T>(); } 2700e35fdd936d133bf8a48de140a3c666897588a05shiqian 2701e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything equal to x. 2702e35fdd936d133bf8a48de140a3c666897588a05shiqian// Note: if the parameter of Eq() were declared as const T&, Eq("foo") 2703e35fdd936d133bf8a48de140a3c666897588a05shiqian// wouldn't compile. 2704e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2705e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); } 2706e35fdd936d133bf8a48de140a3c666897588a05shiqian 2707e35fdd936d133bf8a48de140a3c666897588a05shiqian// Constructs a Matcher<T> from a 'value' of type T. The constructed 2708e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher matches any value that's equal to 'value'. 2709e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2710e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T>::Matcher(T value) { *this = Eq(value); } 2711e35fdd936d133bf8a48de140a3c666897588a05shiqian 2712e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a monomorphic matcher that matches anything with type Lhs 2713e35fdd936d133bf8a48de140a3c666897588a05shiqian// and equal to rhs. A user may need to use this instead of Eq(...) 2714e35fdd936d133bf8a48de140a3c666897588a05shiqian// in order to resolve an overloading ambiguity. 2715e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2716e35fdd936d133bf8a48de140a3c666897588a05shiqian// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x)) 2717e35fdd936d133bf8a48de140a3c666897588a05shiqian// or Matcher<T>(x), but more readable than the latter. 2718e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2719e35fdd936d133bf8a48de140a3c666897588a05shiqian// We could define similar monomorphic matchers for other comparison 2720e35fdd936d133bf8a48de140a3c666897588a05shiqian// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do 2721e35fdd936d133bf8a48de140a3c666897588a05shiqian// it yet as those are used much less than Eq() in practice. A user 2722e35fdd936d133bf8a48de140a3c666897588a05shiqian// can always write Matcher<T>(Lt(5)) to be explicit about the type, 2723e35fdd936d133bf8a48de140a3c666897588a05shiqian// for example. 2724e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Lhs, typename Rhs> 2725e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); } 2726e35fdd936d133bf8a48de140a3c666897588a05shiqian 2727e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything >= x. 2728e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2729e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GeMatcher<Rhs> Ge(Rhs x) { 2730e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GeMatcher<Rhs>(x); 2731e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2732e35fdd936d133bf8a48de140a3c666897588a05shiqian 2733e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything > x. 2734e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2735e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GtMatcher<Rhs> Gt(Rhs x) { 2736e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GtMatcher<Rhs>(x); 2737e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2738e35fdd936d133bf8a48de140a3c666897588a05shiqian 2739e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything <= x. 2740e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2741e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LeMatcher<Rhs> Le(Rhs x) { 2742e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LeMatcher<Rhs>(x); 2743e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2744e35fdd936d133bf8a48de140a3c666897588a05shiqian 2745e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything < x. 2746e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2747e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LtMatcher<Rhs> Lt(Rhs x) { 2748e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LtMatcher<Rhs>(x); 2749e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2750e35fdd936d133bf8a48de140a3c666897588a05shiqian 2751e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything != x. 2752e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2753e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NeMatcher<Rhs> Ne(Rhs x) { 2754e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NeMatcher<Rhs>(x); 2755e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2756e35fdd936d133bf8a48de140a3c666897588a05shiqian 27572d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// Creates a polymorphic matcher that matches any NULL pointer. 27582d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.waninline PolymorphicMatcher<internal::IsNullMatcher > IsNull() { 27592d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan return MakePolymorphicMatcher(internal::IsNullMatcher()); 27602d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan} 27612d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 2762e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any non-NULL pointer. 2763e35fdd936d133bf8a48de140a3c666897588a05shiqian// This is convenient as Not(NULL) doesn't compile (the compiler 2764e35fdd936d133bf8a48de140a3c666897588a05shiqian// thinks that that expression is comparing a pointer with an integer). 2765e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::NotNullMatcher > NotNull() { 2766e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::NotNullMatcher()); 2767e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2768e35fdd936d133bf8a48de140a3c666897588a05shiqian 2769e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any argument that 2770e35fdd936d133bf8a48de140a3c666897588a05shiqian// references variable x. 2771e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2772e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::RefMatcher<T&> Ref(T& x) { // NOLINT 2773e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::RefMatcher<T&>(x); 2774e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2775e35fdd936d133bf8a48de140a3c666897588a05shiqian 2776e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2777e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2778e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> DoubleEq(double rhs) { 2779e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, false); 2780e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2781e35fdd936d133bf8a48de140a3c666897588a05shiqian 2782e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2783e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2784e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> NanSensitiveDoubleEq(double rhs) { 2785e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, true); 2786e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2787e35fdd936d133bf8a48de140a3c666897588a05shiqian 2788e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any float argument approximately 2789e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2790e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> FloatEq(float rhs) { 2791e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, false); 2792e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2793e35fdd936d133bf8a48de140a3c666897588a05shiqian 2794e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2795e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2796e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> NanSensitiveFloatEq(float rhs) { 2797e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, true); 2798e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2799e35fdd936d133bf8a48de140a3c666897588a05shiqian 2800e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches a pointer (raw or smart) that points 2801e35fdd936d133bf8a48de140a3c666897588a05shiqian// to a value that matches inner_matcher. 2802e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2803e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::PointeeMatcher<InnerMatcher> Pointee( 2804e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher& inner_matcher) { 2805e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::PointeeMatcher<InnerMatcher>(inner_matcher); 2806e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2807e35fdd936d133bf8a48de140a3c666897588a05shiqian 2808e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given field matches 2809e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'matcher'. For example, 2810e35fdd936d133bf8a48de140a3c666897588a05shiqian// Field(&Foo::number, Ge(5)) 2811e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.number >= 5. 2812e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType, typename FieldMatcher> 2813e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2814e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType> > Field( 2815e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldType Class::*field, const FieldMatcher& matcher) { 2816e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2817e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType>( 2818e35fdd936d133bf8a48de140a3c666897588a05shiqian field, MatcherCast<const FieldType&>(matcher))); 2819e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2820e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2821e35fdd936d133bf8a48de140a3c666897588a05shiqian // Field(&Foo::bar, m) 2822e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar is an int32 and m is a matcher for int64. 2823e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2824e35fdd936d133bf8a48de140a3c666897588a05shiqian 2825e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given property 2826e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches 'matcher'. For example, 2827e35fdd936d133bf8a48de140a3c666897588a05shiqian// Property(&Foo::str, StartsWith("hi")) 2828e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.str() starts with "hi". 2829e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType, typename PropertyMatcher> 2830e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2831e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType> > Property( 2832e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property)() const, const PropertyMatcher& matcher) { 2833e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2834e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType>( 2835e35fdd936d133bf8a48de140a3c666897588a05shiqian property, 283602f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan MatcherCast<GTEST_REFERENCE_TO_CONST_(PropertyType)>(matcher))); 2837e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2838e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2839e35fdd936d133bf8a48de140a3c666897588a05shiqian // Property(&Foo::bar, m) 2840e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar() returns an int32 and m is a matcher for int64. 2841e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2842e35fdd936d133bf8a48de140a3c666897588a05shiqian 2843e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object iff the result of applying 2844e35fdd936d133bf8a48de140a3c666897588a05shiqian// a callable to x matches 'matcher'. 2845e35fdd936d133bf8a48de140a3c666897588a05shiqian// For example, 2846e35fdd936d133bf8a48de140a3c666897588a05shiqian// ResultOf(f, StartsWith("hi")) 2847e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff f(x) starts with "hi". 2848e35fdd936d133bf8a48de140a3c666897588a05shiqian// callable parameter can be a function, function pointer, or a functor. 2849e35fdd936d133bf8a48de140a3c666897588a05shiqian// Callable has to satisfy the following conditions: 2850e35fdd936d133bf8a48de140a3c666897588a05shiqian// * It is required to keep no state affecting the results of 2851e35fdd936d133bf8a48de140a3c666897588a05shiqian// the calls on it and make no assumptions about how many calls 2852e35fdd936d133bf8a48de140a3c666897588a05shiqian// will be made. Any state it keeps must be protected from the 2853e35fdd936d133bf8a48de140a3c666897588a05shiqian// concurrent access. 2854e35fdd936d133bf8a48de140a3c666897588a05shiqian// * If it is a function object, it has to define type result_type. 2855e35fdd936d133bf8a48de140a3c666897588a05shiqian// We recommend deriving your functor classes from std::unary_function. 2856e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable, typename ResultOfMatcher> 2857e35fdd936d133bf8a48de140a3c666897588a05shiqianinternal::ResultOfMatcher<Callable> ResultOf( 2858e35fdd936d133bf8a48de140a3c666897588a05shiqian Callable callable, const ResultOfMatcher& matcher) { 2859e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::ResultOfMatcher<Callable>( 2860e35fdd936d133bf8a48de140a3c666897588a05shiqian callable, 2861e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherCast<typename internal::CallableTraits<Callable>::ResultType>( 2862e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher)); 2863e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2864e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2865e35fdd936d133bf8a48de140a3c666897588a05shiqian // ResultOf(Function, m) 2866e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where Function() returns an int32 and m is a matcher for int64. 2867e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2868e35fdd936d133bf8a48de140a3c666897588a05shiqian 2869e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 2870e35fdd936d133bf8a48de140a3c666897588a05shiqian 2871e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2872e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2873e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::string& str) { 2874e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2875e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2876e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2877e35fdd936d133bf8a48de140a3c666897588a05shiqian 2878e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2879e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2880e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::string& str) { 2881e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2882e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2883e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2884e35fdd936d133bf8a48de140a3c666897588a05shiqian 2885e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2886e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2887e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::string& str) { 2888e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2889e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2890e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2891e35fdd936d133bf8a48de140a3c666897588a05shiqian 2892e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2893e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2894e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::string& str) { 2895e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2896e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2897e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2898e35fdd936d133bf8a48de140a3c666897588a05shiqian 2899e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any string, std::string, or C string 2900e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2901e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::string> > 2902e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::string& substring) { 2903e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::string>( 2904e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2905e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2906e35fdd936d133bf8a48de140a3c666897588a05shiqian 2907e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2908e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::string> > 2909e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::string& prefix) { 2910e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::string>( 2911e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2912e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2913e35fdd936d133bf8a48de140a3c666897588a05shiqian 2914e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2915e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::string> > 2916e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::string& suffix) { 2917e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::string>( 2918e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2919e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2920e35fdd936d133bf8a48de140a3c666897588a05shiqian 2921e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that fully matches regular expression 'regex'. 2922e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2923e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2924e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2925e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true)); 2926e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2927e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2928e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2929e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatchesRegex(new internal::RE(regex)); 2930e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2931e35fdd936d133bf8a48de140a3c666897588a05shiqian 2932e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that contains regular expression 'regex'. 2933e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2934e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2935e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2936e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false)); 2937e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2938e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2939e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2940e35fdd936d133bf8a48de140a3c666897588a05shiqian return ContainsRegex(new internal::RE(regex)); 2941e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2942e35fdd936d133bf8a48de140a3c666897588a05shiqian 2943e35fdd936d133bf8a48de140a3c666897588a05shiqian#if GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2944e35fdd936d133bf8a48de140a3c666897588a05shiqian// Wide string matchers. 2945e35fdd936d133bf8a48de140a3c666897588a05shiqian 2946e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2947e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2948e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::wstring& str) { 2949e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2950e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2951e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2952e35fdd936d133bf8a48de140a3c666897588a05shiqian 2953e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2954e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2955e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::wstring& str) { 2956e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2957e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2958e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2959e35fdd936d133bf8a48de140a3c666897588a05shiqian 2960e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2961e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2962e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::wstring& str) { 2963e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2964e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2965e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2966e35fdd936d133bf8a48de140a3c666897588a05shiqian 2967e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2968e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2969e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::wstring& str) { 2970e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2971e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2972e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2973e35fdd936d133bf8a48de140a3c666897588a05shiqian 2974e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any wstring, std::wstring, or C wide string 2975e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2976e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::wstring> > 2977e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::wstring& substring) { 2978e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::wstring>( 2979e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2980e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2981e35fdd936d133bf8a48de140a3c666897588a05shiqian 2982e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2983e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::wstring> > 2984e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::wstring& prefix) { 2985e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::wstring>( 2986e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2987e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2988e35fdd936d133bf8a48de140a3c666897588a05shiqian 2989e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2990e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::wstring> > 2991e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::wstring& suffix) { 2992e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::wstring>( 2993e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2994e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2995e35fdd936d133bf8a48de140a3c666897588a05shiqian 2996e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2997e35fdd936d133bf8a48de140a3c666897588a05shiqian 2998e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2999e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field == the second field. 3000e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Eq2Matcher Eq() { return internal::Eq2Matcher(); } 3001e35fdd936d133bf8a48de140a3c666897588a05shiqian 3002e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 3003e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field >= the second field. 3004e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ge2Matcher Ge() { return internal::Ge2Matcher(); } 3005e35fdd936d133bf8a48de140a3c666897588a05shiqian 3006e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 3007e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field > the second field. 3008e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Gt2Matcher Gt() { return internal::Gt2Matcher(); } 3009e35fdd936d133bf8a48de140a3c666897588a05shiqian 3010e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 3011e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field <= the second field. 3012e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Le2Matcher Le() { return internal::Le2Matcher(); } 3013e35fdd936d133bf8a48de140a3c666897588a05shiqian 3014e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 3015e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field < the second field. 3016e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); } 3017e35fdd936d133bf8a48de140a3c666897588a05shiqian 3018e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 3019e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field != the second field. 3020e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); } 3021e35fdd936d133bf8a48de140a3c666897588a05shiqian 3022e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of type T that m doesn't 3023e35fdd936d133bf8a48de140a3c666897588a05shiqian// match. 3024e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 3025e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) { 3026e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NotMatcher<InnerMatcher>(m); 3027e35fdd936d133bf8a48de140a3c666897588a05shiqian} 3028e35fdd936d133bf8a48de140a3c666897588a05shiqian 3029e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a matcher that matches anything that satisfies the given 3030e35fdd936d133bf8a48de140a3c666897588a05shiqian// predicate. The predicate can be any unary function or functor 3031e35fdd936d133bf8a48de140a3c666897588a05shiqian// whose return type can be implicitly converted to bool. 3032e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 3033e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::TrulyMatcher<Predicate> > 3034e35fdd936d133bf8a48de140a3c666897588a05shiqianTruly(Predicate pred) { 3035e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::TrulyMatcher<Predicate>(pred)); 3036e35fdd936d133bf8a48de140a3c666897588a05shiqian} 3037e35fdd936d133bf8a48de140a3c666897588a05shiqian 30386a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Returns a matcher that matches an equal container. 30396a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// This matcher behaves like Eq(), but in the event of mismatch lists the 30406a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values that are included in one container but not the other. (Duplicate 30416a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values and order differences are not explained.) 30426a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 3043821133180ccdb9eb062548d964929ba3b354eb84zhanyong.waninline PolymorphicMatcher<internal::ContainerEqMatcher< // NOLINT 304402f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_REMOVE_CONST_(Container)> > 30456a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ContainerEq(const Container& rhs) { 3046b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // This following line is for working around a bug in MSVC 8.0, 3047b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // which causes Container to be a const type sometimes. 304802f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef GTEST_REMOVE_CONST_(Container) RawContainer; 3049821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return MakePolymorphicMatcher( 3050821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan internal::ContainerEqMatcher<RawContainer>(rhs)); 3051b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 3052b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 3053898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// Returns a matcher that matches a container that, when sorted using 3054898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// the given comparator, matches container_matcher. 3055898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wantemplate <typename Comparator, typename ContainerMatcher> 3056898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.waninline internal::WhenSortedByMatcher<Comparator, ContainerMatcher> 3057898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wanWhenSortedBy(const Comparator& comparator, 3058898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan const ContainerMatcher& container_matcher) { 3059898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan return internal::WhenSortedByMatcher<Comparator, ContainerMatcher>( 3060898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan comparator, container_matcher); 3061898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan} 3062898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 3063898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// Returns a matcher that matches a container that, when sorted using 3064898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan// the < operator, matches container_matcher. 3065898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wantemplate <typename ContainerMatcher> 3066898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.waninline internal::WhenSortedByMatcher<internal::LessComparator, ContainerMatcher> 3067898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wanWhenSorted(const ContainerMatcher& container_matcher) { 3068898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan return 3069898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan internal::WhenSortedByMatcher<internal::LessComparator, ContainerMatcher>( 3070898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan internal::LessComparator(), container_matcher); 3071898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan} 3072898725cf47aacd45c385bb6c537c130ac8cd224czhanyong.wan 3073ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// Matches an STL-style container or a native array that contains the 3074ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// same number of elements as in rhs, where its i-th element and rhs's 3075ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// i-th element (as a pair) satisfy the given pair matcher, for all i. 3076ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// TupleMatcher must be able to be safely cast to Matcher<tuple<const 3077ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// T1&, const T2&> >, where T1 and T2 are the types of elements in the 3078ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// LHS container and the RHS container respectively. 3079ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wantemplate <typename TupleMatcher, typename Container> 3080ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.waninline internal::PointwiseMatcher<TupleMatcher, 3081ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_CONST_(Container)> 3082ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanPointwise(const TupleMatcher& tuple_matcher, const Container& rhs) { 3083ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // This following line is for working around a bug in MSVC 8.0, 3084ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // which causes Container to be a const type sometimes. 3085ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_CONST_(Container) RawContainer; 3086ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return internal::PointwiseMatcher<TupleMatcher, RawContainer>( 3087ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan tuple_matcher, rhs); 3088ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan} 3089ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 3090b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Matches an STL-style container or a native array that contains at 3091b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// least one element matching the given value or matcher. 3092b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3093b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Examples: 3094b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::set<int> page_ids; 3095b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(3); 3096b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(1); 3097b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(1)); 3098b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(Gt(2))); 3099b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Not(Contains(4))); 3100b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3101b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::map<int, size_t> page_lengths; 3102b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_lengths[1] = 100; 31034019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// EXPECT_THAT(page_lengths, 31044019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// Contains(::std::pair<const int, size_t>(1, 100))); 3105b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3106b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 3107b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(user_ids, Contains(Eq(::std::string("tom")))); 3108b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 3109b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline internal::ContainsMatcher<M> Contains(M matcher) { 3110b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return internal::ContainsMatcher<M>(matcher); 31116a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan} 31126a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 311333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Matches an STL-style container or a native array that contains only 311433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// elements matching the given value or matcher. 311533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 311633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Each(m) is semantically equivalent to Not(Contains(Not(m))). Only 311733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// the messages are different. 311833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 311933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Examples: 312033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// ::std::set<int> page_ids; 312133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// // Each(m) matches an empty container, regardless of what m is. 312233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Eq(1))); 312333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Eq(77))); 312433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 312533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_ids.insert(3); 312633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Gt(0))); 312733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Not(Each(Gt(4)))); 312833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_ids.insert(1); 312933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Not(Each(Lt(2)))); 313033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 313133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// ::std::map<int, size_t> page_lengths; 313233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[1] = 100; 313333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[2] = 200; 313433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[3] = 300; 313533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_lengths, Not(Each(Pair(1, 100)))); 313633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_lengths, Each(Key(Le(3)))); 313733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 313833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 313933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(user_ids, Not(Each(Eq(::std::string("tom"))))); 314033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename M> 314133605ba45417979cff7254c1196dfee65a7275b3zhanyong.waninline internal::EachMatcher<M> Each(M matcher) { 314233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return internal::EachMatcher<M>(matcher); 314333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan} 314433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 3145b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 3146b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 3147b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 3148b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 3149b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.waninline internal::KeyMatcher<M> Key(M inner_matcher) { 3150b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return internal::KeyMatcher<M>(inner_matcher); 3151b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan} 3152b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 3153f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Pair(first_matcher, second_matcher) matches a std::pair whose 'first' field 3154f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// matches first_matcher and whose 'second' field matches second_matcher. For 3155f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// example, EXPECT_THAT(map_type, ElementsAre(Pair(Ge(5), "foo"))) can be used 3156f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// to match a std::map<int, string> that contains exactly one element whose key 3157f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// is >= 5 and whose value equals "foo". 3158f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 3159f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.waninline internal::PairMatcher<FirstMatcher, SecondMatcher> 3160f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanPair(FirstMatcher first_matcher, SecondMatcher second_matcher) { 3161f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return internal::PairMatcher<FirstMatcher, SecondMatcher>( 3162f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher, second_matcher); 3163f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan} 3164f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 3165e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a predicate that is satisfied by anything that matches the 3166e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matcher. 3167e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 3168e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::MatcherAsPredicate<M> Matches(M matcher) { 3169e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherAsPredicate<M>(matcher); 3170e35fdd936d133bf8a48de140a3c666897588a05shiqian} 3171e35fdd936d133bf8a48de140a3c666897588a05shiqian 3172b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Returns true iff the value matches the matcher. 3173b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename T, typename M> 3174b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline bool Value(const T& value, M matcher) { 3175b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return testing::Matches(matcher)(value); 3176b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 3177b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 317834b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// Matches the value against the given matcher and explains the match 317934b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// result to listener. 318034b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wantemplate <typename T, typename M> 3181a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.waninline bool ExplainMatchResult( 318234b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan M matcher, const T& value, MatchResultListener* listener) { 318334b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan return SafeMatcherCast<const T&>(matcher).MatchAndExplain(value, listener); 318434b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan} 318534b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan 3186bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// AllArgs(m) is a synonym of m. This is useful in 3187bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3188bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(AllArgs(Eq())); 3189bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3190bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// which is easier to read than 3191bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3192bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(Eq()); 3193bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wantemplate <typename InnerMatcher> 3194bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.waninline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; } 3195bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan 3196e35fdd936d133bf8a48de140a3c666897588a05shiqian// These macros allow using matchers to check values in Google Test 3197e35fdd936d133bf8a48de140a3c666897588a05shiqian// tests. ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher) 3198e35fdd936d133bf8a48de140a3c666897588a05shiqian// succeed iff the value matches the matcher. If the assertion fails, 3199e35fdd936d133bf8a48de140a3c666897588a05shiqian// the value and the description of the matcher will be printed. 3200e35fdd936d133bf8a48de140a3c666897588a05shiqian#define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\ 3201e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 3202e35fdd936d133bf8a48de140a3c666897588a05shiqian#define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\ 3203e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 3204e35fdd936d133bf8a48de140a3c666897588a05shiqian 3205e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace testing 3206e35fdd936d133bf8a48de140a3c666897588a05shiqian 3207e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 3208