gmock-matchers.h revision b4140808f98ff09c43ca1ddaa8ff13bc47cd0089
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 49e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <gmock/internal/gmock-internal-utils.h> 50e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <gmock/internal/gmock-port.h> 51e35fdd936d133bf8a48de140a3c666897588a05shiqian#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: 253e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a null matcher. Needed for storing Matcher objects in 254e35fdd936d133bf8a48de140a3c666897588a05shiqian // STL containers. 255e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 256e35fdd936d133bf8a48de140a3c666897588a05shiqian 257e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a matcher from its implementation. 258e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<T>* impl) 259e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<T>(impl) {} 260e35fdd936d133bf8a48de140a3c666897588a05shiqian 26118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Implicit constructor here allows people to write 262e35fdd936d133bf8a48de140a3c666897588a05shiqian // EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes 263e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(T value); // NOLINT 264e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 265e35fdd936d133bf8a48de140a3c666897588a05shiqian 266e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following two specializations allow the user to write str 267e35fdd936d133bf8a48de140a3c666897588a05shiqian// instead of Eq(str) and "foo" instead of Eq("foo") when a string 268e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher is expected. 269e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 270e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher<const internal::string&> 271e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<const internal::string&> { 272e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 273e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 274e35fdd936d133bf8a48de140a3c666897588a05shiqian 275e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<const internal::string&>* impl) 276e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<const internal::string&>(impl) {} 277e35fdd936d133bf8a48de140a3c666897588a05shiqian 278e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 279e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 280e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 281e35fdd936d133bf8a48de140a3c666897588a05shiqian 282e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 283e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 284e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 285e35fdd936d133bf8a48de140a3c666897588a05shiqian 286e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 287e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher<internal::string> 288e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<internal::string> { 289e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 290e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 291e35fdd936d133bf8a48de140a3c666897588a05shiqian 292e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<internal::string>* impl) 293e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<internal::string>(impl) {} 294e35fdd936d133bf8a48de140a3c666897588a05shiqian 295e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 296e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 297e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 298e35fdd936d133bf8a48de140a3c666897588a05shiqian 299e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 300e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 301e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 302e35fdd936d133bf8a48de140a3c666897588a05shiqian 303e35fdd936d133bf8a48de140a3c666897588a05shiqian// The PolymorphicMatcher class template makes it easy to implement a 304e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matcher (i.e. a matcher that can match values of more 305e35fdd936d133bf8a48de140a3c666897588a05shiqian// than one type, e.g. Eq(n) and NotNull()). 306e35fdd936d133bf8a48de140a3c666897588a05shiqian// 307db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// To define a polymorphic matcher, a user should provide an Impl 308db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// class that has a DescribeTo() method and a DescribeNegationTo() 309db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// method, and define a member function (or member function template) 310821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// 311db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// bool MatchAndExplain(const Value& value, 312db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan// MatchResultListener* listener) const; 313821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// 314821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan// See the definition of NotNull() for a complete example. 315e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 316e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PolymorphicMatcher { 317e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 31832de5f53763125925e078498250f7e73a88de9edzhanyong.wan explicit PolymorphicMatcher(const Impl& an_impl) : impl_(an_impl) {} 319e35fdd936d133bf8a48de140a3c666897588a05shiqian 3202b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns a mutable reference to the underlying matcher 3212b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 3222b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl& mutable_impl() { return impl_; } 3232b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 3242b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns an immutable reference to the underlying matcher 3252b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 3262b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan const Impl& impl() const { return impl_; } 3272b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 328e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 329e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 330e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new MonomorphicImpl<T>(impl_)); 331e35fdd936d133bf8a48de140a3c666897588a05shiqian } 33232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 333e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 334e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 335e35fdd936d133bf8a48de140a3c666897588a05shiqian class MonomorphicImpl : public MatcherInterface<T> { 336e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 337e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {} 338e35fdd936d133bf8a48de140a3c666897588a05shiqian 339e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 340e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeTo(os); 341e35fdd936d133bf8a48de140a3c666897588a05shiqian } 342e35fdd936d133bf8a48de140a3c666897588a05shiqian 343e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 344e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeNegationTo(os); 345e35fdd936d133bf8a48de140a3c666897588a05shiqian } 346e35fdd936d133bf8a48de140a3c666897588a05shiqian 347821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 348db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return impl_.MatchAndExplain(x, listener); 349e35fdd936d133bf8a48de140a3c666897588a05shiqian } 3502b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 351e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 352e35fdd936d133bf8a48de140a3c666897588a05shiqian const Impl impl_; 35332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 35432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MonomorphicImpl); 355e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 356e35fdd936d133bf8a48de140a3c666897588a05shiqian 3572b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl impl_; 35832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 35932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PolymorphicMatcher); 360e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 361e35fdd936d133bf8a48de140a3c666897588a05shiqian 362e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher from its implementation. This is easier to use 363e35fdd936d133bf8a48de140a3c666897588a05shiqian// than the Matcher<T> constructor as it doesn't require you to 364e35fdd936d133bf8a48de140a3c666897588a05shiqian// explicitly write the template argument, e.g. 365e35fdd936d133bf8a48de140a3c666897588a05shiqian// 366e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakeMatcher(foo); 367e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 368e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<const string&>(foo); 369e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 370e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MakeMatcher(const MatcherInterface<T>* impl) { 371e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(impl); 372e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 373e35fdd936d133bf8a48de140a3c666897588a05shiqian 374e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher from its implementation. This is 375e35fdd936d133bf8a48de140a3c666897588a05shiqian// easier to use than the PolymorphicMatcher<Impl> constructor as it 376e35fdd936d133bf8a48de140a3c666897588a05shiqian// doesn't require you to explicitly write the template argument, e.g. 377e35fdd936d133bf8a48de140a3c666897588a05shiqian// 378e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakePolymorphicMatcher(foo); 379e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 380e35fdd936d133bf8a48de140a3c666897588a05shiqian// PolymorphicMatcher<TypeOfFoo>(foo); 381e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 382e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<Impl> MakePolymorphicMatcher(const Impl& impl) { 383e35fdd936d133bf8a48de140a3c666897588a05shiqian return PolymorphicMatcher<Impl>(impl); 384e35fdd936d133bf8a48de140a3c666897588a05shiqian} 385e35fdd936d133bf8a48de140a3c666897588a05shiqian 386e35fdd936d133bf8a48de140a3c666897588a05shiqian// In order to be safe and clear, casting between different matcher 387e35fdd936d133bf8a48de140a3c666897588a05shiqian// types is done explicitly via MatcherCast<T>(m), which takes a 388e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher m and returns a Matcher<T>. It compiles only when T can be 389e35fdd936d133bf8a48de140a3c666897588a05shiqian// statically converted to the argument type of m. 390e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 391e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T> MatcherCast(M m); 392e35fdd936d133bf8a48de140a3c666897588a05shiqian 39318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// Implements SafeMatcherCast(). 39418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// 39595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// We use an intermediate class to do the actual safe casting as Nokia's 39695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// Symbian compiler cannot decide between 39795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, M> ... (M) and 39895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, U> ... (const Matcher<U>&) 39995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// for function templates but can for member function templates. 40095b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T> 40195b12332c345cee508a8e2b68e007280392506e0zhanyong.wanclass SafeMatcherCastImpl { 40295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan public: 40395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // This overload handles polymorphic matchers only since monomorphic 40495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // matchers are handled by the next one. 40595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename M> 40695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan static inline Matcher<T> Cast(M polymorphic_matcher) { 40795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return Matcher<T>(polymorphic_matcher); 40895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 40918490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 41095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // This overload handles monomorphic matchers. 41195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // 41295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In general, if type T can be implicitly converted to type U, we can 41395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // safely convert a Matcher<U> to a Matcher<T> (i.e. Matcher is 41495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // contravariant): just keep a copy of the original Matcher<U>, convert the 41595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // argument from type T to U, and then pass it to the underlying Matcher<U>. 41695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // The only exception is when U is a reference and T is not, as the 41795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // underlying Matcher<U> may be interested in the argument's address, which 41895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // is not preserved in the conversion from T to U. 41995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename U> 42095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan static inline Matcher<T> Cast(const Matcher<U>& matcher) { 42195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that T can be implicitly converted to U. 42202f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_((internal::ImplicitlyConvertible<T, U>::value), 42395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan T_must_be_implicitly_convertible_to_U); 42495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that we are not converting a non-reference type T to a reference 42595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // type U. 42602f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_( 42795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan internal::is_reference<T>::value || !internal::is_reference<U>::value, 42895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan cannot_convert_non_referentce_arg_to_reference); 42995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In case both T and U are arithmetic types, enforce that the 43095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // conversion is not lossy. 431ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(T) RawT; 432ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(U) RawU; 43395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther; 43495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther; 43502f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_( 43695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan kTIsOther || kUIsOther || 43795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan (internal::LosslessArithmeticConvertible<RawT, RawU>::value), 43895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan conversion_of_arithmetic_types_must_be_lossless); 43995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return MatcherCast<T>(matcher); 44095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 44195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan}; 44295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan 44395b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T, typename M> 44495b12332c345cee508a8e2b68e007280392506e0zhanyong.waninline Matcher<T> SafeMatcherCast(const M& polymorphic_matcher) { 44595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return SafeMatcherCastImpl<T>::Cast(polymorphic_matcher); 44618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan} 44718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 448e35fdd936d133bf8a48de140a3c666897588a05shiqian// A<T>() returns a matcher that matches any value of type T. 449e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 450e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T> A(); 451e35fdd936d133bf8a48de140a3c666897588a05shiqian 452e35fdd936d133bf8a48de140a3c666897588a05shiqian// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION 453e35fdd936d133bf8a48de140a3c666897588a05shiqian// and MUST NOT BE USED IN USER CODE!!! 454e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace internal { 455e35fdd936d133bf8a48de140a3c666897588a05shiqian 456b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan// If the explanation is not empty, prints it to the ostream. 457b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.waninline void PrintIfNotEmpty(const internal::string& explanation, 458b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan std::ostream* os) { 459b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (explanation != "" && os != NULL) { 460b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ", " << explanation; 461676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 462676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan} 463676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 464676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// Matches the value against the given matcher, prints the value and explains 465676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// the match result to the listener. Returns the match result. 466676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// 'listener' must not be NULL. 467676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// Value cannot be passed by const reference, because some matchers take a 468676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan// non-const argument. 469676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wantemplate <typename Value, typename T> 470676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wanbool MatchPrintAndExplain(Value& value, const Matcher<T>& matcher, 471676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan MatchResultListener* listener) { 472676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!listener->IsInterested()) { 473676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // If the listener is not interested, we do not need to construct the 474676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // inner explanation. 475676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return matcher.Matches(value); 476676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 477676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 478676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener inner_listener; 479676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan const bool match = matcher.MatchAndExplain(value, &inner_listener); 480676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 481676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan UniversalPrint(value, listener->stream()); 482b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 483676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 484676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return match; 485676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan} 486676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 487e35fdd936d133bf8a48de140a3c666897588a05shiqian// An internal helper class for doing compile-time loop on a tuple's 488e35fdd936d133bf8a48de140a3c666897588a05shiqian// fields. 489e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <size_t N> 490e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix { 491e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 492e35fdd936d133bf8a48de140a3c666897588a05shiqian // TuplePrefix<N>::Matches(matcher_tuple, value_tuple) returns true 493e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff the first N fields of matcher_tuple matches the first N 494e35fdd936d133bf8a48de140a3c666897588a05shiqian // fields of value_tuple, respectively. 495e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 496e35fdd936d133bf8a48de140a3c666897588a05shiqian static bool Matches(const MatcherTuple& matcher_tuple, 497e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 498e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 499e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<N - 1>::Matches(matcher_tuple, value_tuple) 500e35fdd936d133bf8a48de140a3c666897588a05shiqian && get<N - 1>(matcher_tuple).Matches(get<N - 1>(value_tuple)); 501e35fdd936d133bf8a48de140a3c666897588a05shiqian } 502e35fdd936d133bf8a48de140a3c666897588a05shiqian 503b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // TuplePrefix<N>::ExplainMatchFailuresTo(matchers, values, os) 504e35fdd936d133bf8a48de140a3c666897588a05shiqian // describes failures in matching the first N fields of matchers 505e35fdd936d133bf8a48de140a3c666897588a05shiqian // against the first N fields of values. If there is no failure, 506e35fdd936d133bf8a48de140a3c666897588a05shiqian // nothing will be streamed to os. 507e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 508b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan static void ExplainMatchFailuresTo(const MatcherTuple& matchers, 509b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& values, 510b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* os) { 511e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_element; 512e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 513e35fdd936d133bf8a48de140a3c666897588a05shiqian 514e35fdd936d133bf8a48de140a3c666897588a05shiqian // First, describes failures in the first N - 1 fields. 515b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan TuplePrefix<N - 1>::ExplainMatchFailuresTo(matchers, values, os); 516e35fdd936d133bf8a48de140a3c666897588a05shiqian 517e35fdd936d133bf8a48de140a3c666897588a05shiqian // Then describes the failure (if any) in the (N - 1)-th (0-based) 518e35fdd936d133bf8a48de140a3c666897588a05shiqian // field. 519e35fdd936d133bf8a48de140a3c666897588a05shiqian typename tuple_element<N - 1, MatcherTuple>::type matcher = 520e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers); 521e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename tuple_element<N - 1, ValueTuple>::type Value; 522e35fdd936d133bf8a48de140a3c666897588a05shiqian Value value = get<N - 1>(values); 523821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener; 524821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher.MatchAndExplain(value, &listener)) { 525e35fdd936d133bf8a48de140a3c666897588a05shiqian // TODO(wan): include in the message the name of the parameter 526e35fdd936d133bf8a48de140a3c666897588a05shiqian // as used in MOCK_METHOD*() when possible. 527e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << " Expected arg #" << N - 1 << ": "; 528e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers).DescribeTo(os); 529e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n Actual: "; 530e35fdd936d133bf8a48de140a3c666897588a05shiqian // We remove the reference in type Value to prevent the 531e35fdd936d133bf8a48de140a3c666897588a05shiqian // universal printer from printing the address of value, which 532e35fdd936d133bf8a48de140a3c666897588a05shiqian // isn't interesting to the user most of the time. The 533db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // matcher's MatchAndExplain() method handles the case when 534e35fdd936d133bf8a48de140a3c666897588a05shiqian // the address is interesting. 535b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan internal::UniversalPrint(value, os); 536b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(listener.str(), os); 537e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n"; 538e35fdd936d133bf8a48de140a3c666897588a05shiqian } 539e35fdd936d133bf8a48de140a3c666897588a05shiqian } 540e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 541e35fdd936d133bf8a48de140a3c666897588a05shiqian 542e35fdd936d133bf8a48de140a3c666897588a05shiqian// The base case. 543e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 544e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix<0> { 545e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 546e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 5473fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan static bool Matches(const MatcherTuple& /* matcher_tuple */, 5483fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan const ValueTuple& /* value_tuple */) { 549e35fdd936d133bf8a48de140a3c666897588a05shiqian return true; 550e35fdd936d133bf8a48de140a3c666897588a05shiqian } 551e35fdd936d133bf8a48de140a3c666897588a05shiqian 552e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 553b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan static void ExplainMatchFailuresTo(const MatcherTuple& /* matchers */, 554b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& /* values */, 555b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* /* os */) {} 556e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 557e35fdd936d133bf8a48de140a3c666897588a05shiqian 558e35fdd936d133bf8a48de140a3c666897588a05shiqian// TupleMatches(matcher_tuple, value_tuple) returns true iff all 559e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers in matcher_tuple match the corresponding fields in 560e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple. It is a compiler error if matcher_tuple and 561e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple have different number of fields or incompatible field 562e35fdd936d133bf8a48de140a3c666897588a05shiqian// types. 563e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 564e35fdd936d133bf8a48de140a3c666897588a05shiqianbool TupleMatches(const MatcherTuple& matcher_tuple, 565e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 566e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 567e35fdd936d133bf8a48de140a3c666897588a05shiqian // Makes sure that matcher_tuple and value_tuple have the same 568e35fdd936d133bf8a48de140a3c666897588a05shiqian // number of fields. 56902f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_COMPILE_ASSERT_(tuple_size<MatcherTuple>::value == 570e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan tuple_size<ValueTuple>::value, 571e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan matcher_and_value_have_different_numbers_of_fields); 572e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<tuple_size<ValueTuple>::value>:: 573e35fdd936d133bf8a48de140a3c666897588a05shiqian Matches(matcher_tuple, value_tuple); 574e35fdd936d133bf8a48de140a3c666897588a05shiqian} 575e35fdd936d133bf8a48de140a3c666897588a05shiqian 576e35fdd936d133bf8a48de140a3c666897588a05shiqian// Describes failures in matching matchers against values. If there 577e35fdd936d133bf8a48de140a3c666897588a05shiqian// is no failure, nothing will be streamed to os. 578e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 579b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanvoid ExplainMatchFailureTupleTo(const MatcherTuple& matchers, 580b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const ValueTuple& values, 581b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::ostream* os) { 582e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 583b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan TuplePrefix<tuple_size<MatcherTuple>::value>::ExplainMatchFailuresTo( 584e35fdd936d133bf8a48de140a3c666897588a05shiqian matchers, values, os); 585e35fdd936d133bf8a48de140a3c666897588a05shiqian} 586e35fdd936d133bf8a48de140a3c666897588a05shiqian 587e35fdd936d133bf8a48de140a3c666897588a05shiqian// The MatcherCastImpl class template is a helper for implementing 588e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherCast(). We need this helper in order to partially 589e35fdd936d133bf8a48de140a3c666897588a05shiqian// specialize the implementation of MatcherCast() (C++ allows 590e35fdd936d133bf8a48de140a3c666897588a05shiqian// class/struct templates to be partially specialized, but not 591e35fdd936d133bf8a48de140a3c666897588a05shiqian// function templates.). 592e35fdd936d133bf8a48de140a3c666897588a05shiqian 593e35fdd936d133bf8a48de140a3c666897588a05shiqian// This general version is used when MatcherCast()'s argument is a 594e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matcher (i.e. something that can be converted to a 595e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher but is not one yet; for example, Eq(value)). 596e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 597e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl { 598e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 599e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(M polymorphic_matcher) { 600e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(polymorphic_matcher); 601e35fdd936d133bf8a48de140a3c666897588a05shiqian } 602e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 603e35fdd936d133bf8a48de140a3c666897588a05shiqian 604e35fdd936d133bf8a48de140a3c666897588a05shiqian// This more specialized version is used when MatcherCast()'s argument 605e35fdd936d133bf8a48de140a3c666897588a05shiqian// is already a Matcher. This only compiles when type T can be 606e35fdd936d133bf8a48de140a3c666897588a05shiqian// statically converted to type U. 607e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename U> 608e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl<T, Matcher<U> > { 609e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 610e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(const Matcher<U>& source_matcher) { 611e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl(source_matcher)); 612e35fdd936d133bf8a48de140a3c666897588a05shiqian } 61332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 614e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 615e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 616e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 617e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const Matcher<U>& source_matcher) 618e35fdd936d133bf8a48de140a3c666897588a05shiqian : source_matcher_(source_matcher) {} 619e35fdd936d133bf8a48de140a3c666897588a05shiqian 620e35fdd936d133bf8a48de140a3c666897588a05shiqian // We delegate the matching logic to the source matcher. 621821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 622821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return source_matcher_.MatchAndExplain(static_cast<U>(x), listener); 623e35fdd936d133bf8a48de140a3c666897588a05shiqian } 624e35fdd936d133bf8a48de140a3c666897588a05shiqian 625e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 626e35fdd936d133bf8a48de140a3c666897588a05shiqian source_matcher_.DescribeTo(os); 627e35fdd936d133bf8a48de140a3c666897588a05shiqian } 628e35fdd936d133bf8a48de140a3c666897588a05shiqian 629e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 630e35fdd936d133bf8a48de140a3c666897588a05shiqian source_matcher_.DescribeNegationTo(os); 631e35fdd936d133bf8a48de140a3c666897588a05shiqian } 632e35fdd936d133bf8a48de140a3c666897588a05shiqian 633e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 634e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<U> source_matcher_; 63532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 63632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 637e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 638e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 639e35fdd936d133bf8a48de140a3c666897588a05shiqian 640e35fdd936d133bf8a48de140a3c666897588a05shiqian// This even more specialized version is used for efficiently casting 641e35fdd936d133bf8a48de140a3c666897588a05shiqian// a matcher to its own type. 642e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 643e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl<T, Matcher<T> > { 644e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 645e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(const Matcher<T>& matcher) { return matcher; } 646e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 647e35fdd936d133bf8a48de140a3c666897588a05shiqian 648e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements A<T>(). 649e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 650e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnyMatcherImpl : public MatcherInterface<T> { 651e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 652821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( 653821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan T /* x */, MatchResultListener* /* listener */) const { return true; } 654e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { *os << "is anything"; } 655e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 656e35fdd936d133bf8a48de140a3c666897588a05shiqian // This is mostly for completeness' safe, as it's not very useful 657e35fdd936d133bf8a48de140a3c666897588a05shiqian // to write Not(A<bool>()). However we cannot completely rule out 658e35fdd936d133bf8a48de140a3c666897588a05shiqian // such a possibility, and it doesn't hurt to be prepared. 659e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 660e35fdd936d133bf8a48de140a3c666897588a05shiqian } 661e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 662e35fdd936d133bf8a48de140a3c666897588a05shiqian 663e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements _, a matcher that matches any value of any 664e35fdd936d133bf8a48de140a3c666897588a05shiqian// type. This is a polymorphic matcher, so we need a template type 665e35fdd936d133bf8a48de140a3c666897588a05shiqian// conversion operator to make it appearing as a Matcher<T> for any 666e35fdd936d133bf8a48de140a3c666897588a05shiqian// type T. 667e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnythingMatcher { 668e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 669e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 670e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { return A<T>(); } 671e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 672e35fdd936d133bf8a48de140a3c666897588a05shiqian 673e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares a given value with a 674e35fdd936d133bf8a48de140a3c666897588a05shiqian// pre-supplied value using one of the ==, <=, <, etc, operators. The 675e35fdd936d133bf8a48de140a3c666897588a05shiqian// two values being compared don't have to have the same type. 676e35fdd936d133bf8a48de140a3c666897588a05shiqian// 677e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq(5) can be 678e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match an int, a short, a double, etc). Therefore we use 679e35fdd936d133bf8a48de140a3c666897588a05shiqian// a template type conversion operator in the implementation. 680e35fdd936d133bf8a48de140a3c666897588a05shiqian// 681e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 682e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 683e35fdd936d133bf8a48de140a3c666897588a05shiqian// 684e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following template definition assumes that the Rhs parameter is 685e35fdd936d133bf8a48de140a3c666897588a05shiqian// a "bare" type (i.e. neither 'const T' nor 'T&'). 686b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON_MATCHER_( \ 687b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan name, op, relation, negated_relation) \ 688e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Rhs> class name##Matcher { \ 689e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 690e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit name##Matcher(const Rhs& rhs) : rhs_(rhs) {} \ 691e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 692e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Lhs>() const { \ 693e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Lhs>(rhs_)); \ 694e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 695e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 696e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 697e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Lhs> { \ 698e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 699e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const Rhs& rhs) : rhs_(rhs) {} \ 700821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(\ 701821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan Lhs lhs, MatchResultListener* /* listener */) const { \ 702821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return lhs op rhs_; \ 703821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } \ 704e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 705b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << relation " "; \ 706e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); \ 707e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 708e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 709b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << negated_relation " "; \ 710e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); \ 711e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 712e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 713e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 71432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); \ 715e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 716e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 71732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(name##Matcher); \ 718e35fdd936d133bf8a48de140a3c666897588a05shiqian } 719e35fdd936d133bf8a48de140a3c666897588a05shiqian 720e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(v), Ge(v), Gt(v), Le(v), Lt(v), and Ne(v) 721e35fdd936d133bf8a48de140a3c666897588a05shiqian// respectively. 722b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Eq, ==, "is equal to", "isn't equal to"); 723b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ge, >=, "is >=", "isn't >="); 724b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Gt, >, "is >", "isn't >"); 725b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Le, <=, "is <=", "isn't <="); 726b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Lt, <, "is <", "isn't <"); 727b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ne, !=, "isn't equal to", "is equal to"); 728e35fdd936d133bf8a48de140a3c666897588a05shiqian 729e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON_MATCHER_ 730e35fdd936d133bf8a48de140a3c666897588a05shiqian 73179b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev// Implements the polymorphic IsNull() matcher, which matches any raw or smart 7322d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// pointer that is NULL. 7332d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wanclass IsNullMatcher { 7342d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan public: 73579b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev template <typename Pointer> 736db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const Pointer& p, 737db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 738db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return GetRawPointer(p) == NULL; 739db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 7402d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 7412d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeTo(::std::ostream* os) const { *os << "is NULL"; } 7422d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 743b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't NULL"; 7442d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan } 7452d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan}; 7462d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 74779b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev// Implements the polymorphic NotNull() matcher, which matches any raw or smart 748e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointer that is not NULL. 749e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotNullMatcher { 750e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 75179b83505bcf73bf2903ebf2e2f82cb1e1f181816vladlosev template <typename Pointer> 752db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const Pointer& p, 753db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 754db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return GetRawPointer(p) != NULL; 755db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 756e35fdd936d133bf8a48de140a3c666897588a05shiqian 757b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan void DescribeTo(::std::ostream* os) const { *os << "isn't NULL"; } 758e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 759e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NULL"; 760e35fdd936d133bf8a48de140a3c666897588a05shiqian } 761e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 762e35fdd936d133bf8a48de140a3c666897588a05shiqian 763e35fdd936d133bf8a48de140a3c666897588a05shiqian// Ref(variable) matches any argument that is a reference to 764e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'variable'. This matcher is polymorphic as it can match any 765e35fdd936d133bf8a48de140a3c666897588a05shiqian// super type of the type of 'variable'. 766e35fdd936d133bf8a48de140a3c666897588a05shiqian// 767e35fdd936d133bf8a48de140a3c666897588a05shiqian// The RefMatcher template class implements Ref(variable). It can 768e35fdd936d133bf8a48de140a3c666897588a05shiqian// only be instantiated with a reference type. This prevents a user 769e35fdd936d133bf8a48de140a3c666897588a05shiqian// from mistakenly using Ref(x) to match a non-reference function 770e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument. For example, the following will righteously cause a 771e35fdd936d133bf8a48de140a3c666897588a05shiqian// compiler error: 772e35fdd936d133bf8a48de140a3c666897588a05shiqian// 773e35fdd936d133bf8a48de140a3c666897588a05shiqian// int n; 774e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int> m1 = Ref(n); // This won't compile. 775e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int&> m2 = Ref(n); // This will compile. 776e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 777e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher; 778e35fdd936d133bf8a48de140a3c666897588a05shiqian 779e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 780e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher<T&> { 781e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Mock is a generic framework and thus needs to support 782e35fdd936d133bf8a48de140a3c666897588a05shiqian // mocking any function types, including those that take non-const 783e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference arguments. Therefore the template parameter T (and 784e35fdd936d133bf8a48de140a3c666897588a05shiqian // Super below) can be instantiated to either a const type or a 785e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const type. 786e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 787e35fdd936d133bf8a48de140a3c666897588a05shiqian // RefMatcher() takes a T& instead of const T&, as we want the 788e35fdd936d133bf8a48de140a3c666897588a05shiqian // compiler to catch using Ref(const_value) as a matcher for a 789e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference. 790e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit RefMatcher(T& x) : object_(x) {} // NOLINT 791e35fdd936d133bf8a48de140a3c666897588a05shiqian 792e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 793e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Super&>() const { 794e35fdd936d133bf8a48de140a3c666897588a05shiqian // By passing object_ (type T&) to Impl(), which expects a Super&, 795e35fdd936d133bf8a48de140a3c666897588a05shiqian // we make sure that Super is a super type of T. In particular, 796e35fdd936d133bf8a48de140a3c666897588a05shiqian // this catches using Ref(const_value) as a matcher for a 797e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference, as you cannot implicitly convert a const 798e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference to a non-const reference. 799e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Super>(object_)); 800e35fdd936d133bf8a48de140a3c666897588a05shiqian } 80132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 802e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 803e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 804e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Super&> { 805e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 806e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(Super& x) : object_(x) {} // NOLINT 807e35fdd936d133bf8a48de140a3c666897588a05shiqian 808db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // MatchAndExplain() takes a Super& (as opposed to const Super&) 809db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // in order to match the interface MatcherInterface<Super&>. 810821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( 811821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan Super& x, MatchResultListener* listener) const { 812b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "which is located @" << static_cast<const void*>(&x); 813821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return &x == &object_; 814821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 815e35fdd936d133bf8a48de140a3c666897588a05shiqian 816e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 817e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "references the variable "; 818e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 819e35fdd936d133bf8a48de140a3c666897588a05shiqian } 820e35fdd936d133bf8a48de140a3c666897588a05shiqian 821e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 822e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not reference the variable "; 823e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 824e35fdd936d133bf8a48de140a3c666897588a05shiqian } 825e35fdd936d133bf8a48de140a3c666897588a05shiqian 826e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 827e35fdd936d133bf8a48de140a3c666897588a05shiqian const Super& object_; 82832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 82932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 830e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 831e35fdd936d133bf8a48de140a3c666897588a05shiqian 832e35fdd936d133bf8a48de140a3c666897588a05shiqian T& object_; 83332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 83432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(RefMatcher); 835e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 836e35fdd936d133bf8a48de140a3c666897588a05shiqian 837e35fdd936d133bf8a48de140a3c666897588a05shiqian// Polymorphic helper functions for narrow and wide string matchers. 838e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const char* lhs, const char* rhs) { 839e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveCStringEquals(lhs, rhs); 840e35fdd936d133bf8a48de140a3c666897588a05shiqian} 841e35fdd936d133bf8a48de140a3c666897588a05shiqian 842e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const wchar_t* lhs, 843e35fdd936d133bf8a48de140a3c666897588a05shiqian const wchar_t* rhs) { 844e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveWideCStringEquals(lhs, rhs); 845e35fdd936d133bf8a48de140a3c666897588a05shiqian} 846e35fdd936d133bf8a48de140a3c666897588a05shiqian 847e35fdd936d133bf8a48de140a3c666897588a05shiqian// String comparison for narrow or wide strings that can have embedded NUL 848e35fdd936d133bf8a48de140a3c666897588a05shiqian// characters. 849e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 850e35fdd936d133bf8a48de140a3c666897588a05shiqianbool CaseInsensitiveStringEquals(const StringType& s1, 851e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType& s2) { 852e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the heads equal? 853e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!CaseInsensitiveCStringEquals(s1.c_str(), s2.c_str())) { 854e35fdd936d133bf8a48de140a3c666897588a05shiqian return false; 855e35fdd936d133bf8a48de140a3c666897588a05shiqian } 856e35fdd936d133bf8a48de140a3c666897588a05shiqian 857e35fdd936d133bf8a48de140a3c666897588a05shiqian // Skip the equal heads. 858e35fdd936d133bf8a48de140a3c666897588a05shiqian const typename StringType::value_type nul = 0; 859e35fdd936d133bf8a48de140a3c666897588a05shiqian const size_t i1 = s1.find(nul), i2 = s2.find(nul); 860e35fdd936d133bf8a48de140a3c666897588a05shiqian 861e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are we at the end of either s1 or s2? 862e35fdd936d133bf8a48de140a3c666897588a05shiqian if (i1 == StringType::npos || i2 == StringType::npos) { 863e35fdd936d133bf8a48de140a3c666897588a05shiqian return i1 == i2; 864e35fdd936d133bf8a48de140a3c666897588a05shiqian } 865e35fdd936d133bf8a48de140a3c666897588a05shiqian 866e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the tails equal? 867e35fdd936d133bf8a48de140a3c666897588a05shiqian return CaseInsensitiveStringEquals(s1.substr(i1 + 1), s2.substr(i2 + 1)); 868e35fdd936d133bf8a48de140a3c666897588a05shiqian} 869e35fdd936d133bf8a48de140a3c666897588a05shiqian 870e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 871e35fdd936d133bf8a48de140a3c666897588a05shiqian 872e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements equality-based string matchers like StrEq, StrCaseNe, and etc. 873e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 874e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StrEqualityMatcher { 875e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 876e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 877e35fdd936d133bf8a48de140a3c666897588a05shiqian 878e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEqualityMatcher(const StringType& str, bool expect_eq, 879e35fdd936d133bf8a48de140a3c666897588a05shiqian bool case_sensitive) 880e35fdd936d133bf8a48de140a3c666897588a05shiqian : string_(str), expect_eq_(expect_eq), case_sensitive_(case_sensitive) {} 881e35fdd936d133bf8a48de140a3c666897588a05shiqian 882e35fdd936d133bf8a48de140a3c666897588a05shiqian // When expect_eq_ is true, returns true iff s is equal to string_; 883e35fdd936d133bf8a48de140a3c666897588a05shiqian // otherwise returns true iff s is not equal to string_. 884db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 885db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 886e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s == NULL) { 887e35fdd936d133bf8a48de140a3c666897588a05shiqian return !expect_eq_; 888e35fdd936d133bf8a48de140a3c666897588a05shiqian } 889db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplain(StringType(s), listener); 890e35fdd936d133bf8a48de140a3c666897588a05shiqian } 891e35fdd936d133bf8a48de140a3c666897588a05shiqian 892db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 893db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 894e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool eq = case_sensitive_ ? s == string_ : 895e35fdd936d133bf8a48de140a3c666897588a05shiqian CaseInsensitiveStringEquals(s, string_); 896e35fdd936d133bf8a48de140a3c666897588a05shiqian return expect_eq_ == eq; 897e35fdd936d133bf8a48de140a3c666897588a05shiqian } 898e35fdd936d133bf8a48de140a3c666897588a05shiqian 899e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 900e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(expect_eq_, os); 901e35fdd936d133bf8a48de140a3c666897588a05shiqian } 902e35fdd936d133bf8a48de140a3c666897588a05shiqian 903e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 904e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(!expect_eq_, os); 905e35fdd936d133bf8a48de140a3c666897588a05shiqian } 90632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 907e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 908e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeToHelper(bool expect_eq, ::std::ostream* os) const { 909b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << (expect_eq ? "is " : "isn't "); 910e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "equal to "; 911e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!case_sensitive_) { 912e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "(ignoring case) "; 913e35fdd936d133bf8a48de140a3c666897588a05shiqian } 914e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(string_, os); 915e35fdd936d133bf8a48de140a3c666897588a05shiqian } 916e35fdd936d133bf8a48de140a3c666897588a05shiqian 917e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType string_; 918e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool expect_eq_; 919e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool case_sensitive_; 92032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 92132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(StrEqualityMatcher); 922e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 923e35fdd936d133bf8a48de140a3c666897588a05shiqian 924e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic HasSubstr(substring) matcher, which 925e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 926e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 927e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 928e35fdd936d133bf8a48de140a3c666897588a05shiqianclass HasSubstrMatcher { 929e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 930e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 931e35fdd936d133bf8a48de140a3c666897588a05shiqian 932e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit HasSubstrMatcher(const StringType& substring) 933e35fdd936d133bf8a48de140a3c666897588a05shiqian : substring_(substring) {} 934e35fdd936d133bf8a48de140a3c666897588a05shiqian 935e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow HasSubstr(substring) to be used as a 936e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 937e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s contains substring_ as a substring. 938db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 939db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 940db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 941e35fdd936d133bf8a48de140a3c666897588a05shiqian } 942e35fdd936d133bf8a48de140a3c666897588a05shiqian 943db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 944db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 945e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.find(substring_) != StringType::npos; 946e35fdd936d133bf8a48de140a3c666897588a05shiqian } 947e35fdd936d133bf8a48de140a3c666897588a05shiqian 948e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes what this matcher matches. 949e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 950e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has substring "; 951e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(substring_, os); 952e35fdd936d133bf8a48de140a3c666897588a05shiqian } 953e35fdd936d133bf8a48de140a3c666897588a05shiqian 954e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 955e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has no substring "; 956e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(substring_, os); 957e35fdd936d133bf8a48de140a3c666897588a05shiqian } 95832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 959e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 960e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType substring_; 96132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 96232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(HasSubstrMatcher); 963e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 964e35fdd936d133bf8a48de140a3c666897588a05shiqian 965e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic StartsWith(substring) matcher, which 966e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 967e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 968e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 969e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StartsWithMatcher { 970e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 971e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 972e35fdd936d133bf8a48de140a3c666897588a05shiqian 973e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit StartsWithMatcher(const StringType& prefix) : prefix_(prefix) { 974e35fdd936d133bf8a48de140a3c666897588a05shiqian } 975e35fdd936d133bf8a48de140a3c666897588a05shiqian 976e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow StartsWith(prefix) to be used as a 977e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 978e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s starts with prefix_. 979db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 980db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 981db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 982e35fdd936d133bf8a48de140a3c666897588a05shiqian } 983e35fdd936d133bf8a48de140a3c666897588a05shiqian 984db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 985db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 986e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= prefix_.length() && 987e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(0, prefix_.length()) == prefix_; 988e35fdd936d133bf8a48de140a3c666897588a05shiqian } 989e35fdd936d133bf8a48de140a3c666897588a05shiqian 990e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 991e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "starts with "; 992e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(prefix_, os); 993e35fdd936d133bf8a48de140a3c666897588a05shiqian } 994e35fdd936d133bf8a48de140a3c666897588a05shiqian 995e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 996e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't start with "; 997e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(prefix_, os); 998e35fdd936d133bf8a48de140a3c666897588a05shiqian } 99932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1000e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1001e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType prefix_; 100232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 100332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(StartsWithMatcher); 1004e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1005e35fdd936d133bf8a48de140a3c666897588a05shiqian 1006e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic EndsWith(substring) matcher, which 1007e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 1008e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 1009e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 1010e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EndsWithMatcher { 1011e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1012e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 1013e35fdd936d133bf8a48de140a3c666897588a05shiqian 1014e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit EndsWithMatcher(const StringType& suffix) : suffix_(suffix) {} 1015e35fdd936d133bf8a48de140a3c666897588a05shiqian 1016e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow EndsWith(suffix) to be used as a 1017e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 1018e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s ends with suffix_. 1019db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(ConstCharPointer s, 1020db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1021db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(StringType(s), listener); 1022e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1023e35fdd936d133bf8a48de140a3c666897588a05shiqian 1024db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const StringType& s, 1025db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1026e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= suffix_.length() && 1027e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(s.length() - suffix_.length()) == suffix_; 1028e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1029e35fdd936d133bf8a48de140a3c666897588a05shiqian 1030e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1031e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "ends with "; 1032e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(suffix_, os); 1033e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1034e35fdd936d133bf8a48de140a3c666897588a05shiqian 1035e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1036e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't end with "; 1037e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(suffix_, os); 1038e35fdd936d133bf8a48de140a3c666897588a05shiqian } 103932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1040e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1041e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType suffix_; 104232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 104332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EndsWithMatcher); 1044e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1045e35fdd936d133bf8a48de140a3c666897588a05shiqian 1046e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements polymorphic matchers MatchesRegex(regex) and 1047e35fdd936d133bf8a48de140a3c666897588a05shiqian// ContainsRegex(regex), which can be used as a Matcher<T> as long as 1048e35fdd936d133bf8a48de140a3c666897588a05shiqian// T can be converted to a string. 1049e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatchesRegexMatcher { 1050e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1051e35fdd936d133bf8a48de140a3c666897588a05shiqian MatchesRegexMatcher(const RE* regex, bool full_match) 1052e35fdd936d133bf8a48de140a3c666897588a05shiqian : regex_(regex), full_match_(full_match) {} 1053e35fdd936d133bf8a48de140a3c666897588a05shiqian 1054e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow MatchesRegex(regex) to be used as 1055e35fdd936d133bf8a48de140a3c666897588a05shiqian // a Matcher<T> as long as T can be converted to string. Returns 1056e35fdd936d133bf8a48de140a3c666897588a05shiqian // true iff s matches regular expression regex. When full_match_ is 1057e35fdd936d133bf8a48de140a3c666897588a05shiqian // true, a full match is done; otherwise a partial match is done. 1058db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const char* s, 1059db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1060db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return s != NULL && MatchAndExplain(internal::string(s), listener); 1061e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1062e35fdd936d133bf8a48de140a3c666897588a05shiqian 1063db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const internal::string& s, 1064db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1065e35fdd936d133bf8a48de140a3c666897588a05shiqian return full_match_ ? RE::FullMatch(s, *regex_) : 1066e35fdd936d133bf8a48de140a3c666897588a05shiqian RE::PartialMatch(s, *regex_); 1067e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1068e35fdd936d133bf8a48de140a3c666897588a05shiqian 1069e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1070e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << (full_match_ ? "matches" : "contains") 1071e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 1072e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 1073e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1074e35fdd936d133bf8a48de140a3c666897588a05shiqian 1075e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1076e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't " << (full_match_ ? "match" : "contain") 1077e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 1078e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 1079e35fdd936d133bf8a48de140a3c666897588a05shiqian } 108032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1081e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1082e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::linked_ptr<const RE> regex_; 1083e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool full_match_; 108432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 108532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MatchesRegexMatcher); 1086e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1087e35fdd936d133bf8a48de140a3c666897588a05shiqian 1088e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares the two fields of a 2-tuple 1089e35fdd936d133bf8a48de140a3c666897588a05shiqian// using one of the ==, <=, <, etc, operators. The two fields being 1090e35fdd936d133bf8a48de140a3c666897588a05shiqian// compared don't have to have the same type. 1091e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1092e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq() can be 1093e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match a tuple<int, short>, a tuple<const long&, double>, 1094e35fdd936d133bf8a48de140a3c666897588a05shiqian// etc). Therefore we use a template type conversion operator in the 1095e35fdd936d133bf8a48de140a3c666897588a05shiqian// implementation. 1096e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1097e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 1098e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 1099ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON2_MATCHER_(name, op, relation) \ 1100e35fdd936d133bf8a48de140a3c666897588a05shiqian class name##2Matcher { \ 1101e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1102e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 1103ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan operator Matcher< ::std::tr1::tuple<T1, T2> >() const { \ 1104ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl< ::std::tr1::tuple<T1, T2> >); \ 1105ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } \ 1106ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename T1, typename T2> \ 1107e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const ::std::tr1::tuple<T1, T2>&>() const { \ 1108ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl<const ::std::tr1::tuple<T1, T2>&>); \ 1109e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1110e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 1111ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename Tuple> \ 1112ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan class Impl : public MatcherInterface<Tuple> { \ 1113e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1114821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( \ 1115ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Tuple args, \ 1116821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { \ 1117e35fdd936d133bf8a48de140a3c666897588a05shiqian return ::std::tr1::get<0>(args) op ::std::tr1::get<1>(args); \ 1118e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1119e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 1120ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "are " relation; \ 1121e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1122e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 1123ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "aren't " relation; \ 1124e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1125e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 1126e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1127e35fdd936d133bf8a48de140a3c666897588a05shiqian 1128e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(), Ge(), Gt(), Le(), Lt(), and Ne() respectively. 1129ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Eq, ==, "an equal pair"); 1130ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1131ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Ge, >=, "a pair where the first >= the second"); 1132ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1133ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Gt, >, "a pair where the first > the second"); 1134ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1135ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Le, <=, "a pair where the first <= the second"); 1136ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_( 1137ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Lt, <, "a pair where the first < the second"); 1138ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ne, !=, "an unequal pair"); 1139e35fdd936d133bf8a48de140a3c666897588a05shiqian 1140e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON2_MATCHER_ 1141e35fdd936d133bf8a48de140a3c666897588a05shiqian 1142c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the Not(...) matcher for a particular argument type T. 1143c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// We do not nest it inside the NotMatcher class template, as that 1144c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// will prevent different instantiations of NotMatcher from sharing 1145c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// the same NotMatcherImpl<T> class. 1146c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1147c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass NotMatcherImpl : public MatcherInterface<T> { 1148c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1149c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan explicit NotMatcherImpl(const Matcher<T>& matcher) 1150c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher_(matcher) {} 1151c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1152821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1153821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return !matcher_.MatchAndExplain(x, listener); 1154c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1155c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1156c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1157c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeNegationTo(os); 1158c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1159c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1160c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1161c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeTo(os); 1162c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1163c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1164c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1165c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher_; 116632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 116732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcherImpl); 1168c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1169c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1170e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Not(m) matcher, which matches a value that doesn't 1171e35fdd936d133bf8a48de140a3c666897588a05shiqian// match matcher m. 1172e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1173e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotMatcher { 1174e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1175e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit NotMatcher(InnerMatcher matcher) : matcher_(matcher) {} 1176e35fdd936d133bf8a48de140a3c666897588a05shiqian 1177e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows Not(m) to be used 1178e35fdd936d133bf8a48de140a3c666897588a05shiqian // to match any type m can match. 1179e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1180e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1181c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new NotMatcherImpl<T>(SafeMatcherCast<T>(matcher_))); 1182e35fdd936d133bf8a48de140a3c666897588a05shiqian } 118332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1184e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1185c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan InnerMatcher matcher_; 118632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 118732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcher); 1188c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1189e35fdd936d133bf8a48de140a3c666897588a05shiqian 1190c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AllOf(m1, m2) matcher for a particular argument type 1191c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the BothOfMatcher class template, as 1192c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of BothOfMatcher from 1193c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same BothOfMatcherImpl<T> class. 1194c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1195c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass BothOfMatcherImpl : public MatcherInterface<T> { 1196c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1197c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan BothOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1198c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1199e35fdd936d133bf8a48de140a3c666897588a05shiqian 1200c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1201c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1202c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1203c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") and ("; 1204c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1205c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1206c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1207e35fdd936d133bf8a48de140a3c666897588a05shiqian 1208c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1209b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1210b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1211b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") or ("; 1212b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1213b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1214c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1215e35fdd936d133bf8a48de140a3c666897588a05shiqian 1216821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1217821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ doesn't match x, we only need 1218821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // to explain why one of them fails. 1219821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1220821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher1_.MatchAndExplain(x, &listener1)) { 1221821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1222821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1223821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1224c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1225821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1226821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher2_.MatchAndExplain(x, &listener2)) { 1227821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1228821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1229821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1230c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1231821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them match. 1232821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1233821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1234821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1235821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1236821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1237c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1238821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1239821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1240b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1241c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1242c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1243821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1244c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 124532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1246c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1247c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1248c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 124932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 125032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcherImpl); 1251e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1252e35fdd936d133bf8a48de140a3c666897588a05shiqian 1253e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AllOf(m_1, ..., m_n) matcher, which 1254e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches all of the matchers m_1, ..., and m_n. 1255e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1256e35fdd936d133bf8a48de140a3c666897588a05shiqianclass BothOfMatcher { 1257e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1258e35fdd936d133bf8a48de140a3c666897588a05shiqian BothOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1259e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1260e35fdd936d133bf8a48de140a3c666897588a05shiqian 1261e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1262e35fdd936d133bf8a48de140a3c666897588a05shiqian // BothOfMatcher<Matcher1, Matcher2> object to match any type that 1263e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1264e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1265e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1266c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new BothOfMatcherImpl<T>(SafeMatcherCast<T>(matcher1_), 1267c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan SafeMatcherCast<T>(matcher2_))); 1268e35fdd936d133bf8a48de140a3c666897588a05shiqian } 126932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1270e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1271c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher1 matcher1_; 1272c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher2 matcher2_; 127332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 127432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcher); 1275c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1276e35fdd936d133bf8a48de140a3c666897588a05shiqian 1277c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AnyOf(m1, m2) matcher for a particular argument type 1278c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the AnyOfMatcher class template, as 1279c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of AnyOfMatcher from 1280c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same EitherOfMatcherImpl<T> class. 1281c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1282c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass EitherOfMatcherImpl : public MatcherInterface<T> { 1283c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1284c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan EitherOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1285c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1286e35fdd936d133bf8a48de140a3c666897588a05shiqian 1287c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1288c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1289c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1290c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") or ("; 1291c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1292c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1293c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1294e35fdd936d133bf8a48de140a3c666897588a05shiqian 1295c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1296b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1297b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1298b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") and ("; 1299b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1300b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1301c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1302c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1303821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1304821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ matches x, we just need to 1305821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explain why *one* of them matches. 1306821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1307821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher1_.MatchAndExplain(x, &listener1)) { 1308821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1309821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1310821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1311c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1312821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1313821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher2_.MatchAndExplain(x, &listener2)) { 1314821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1315821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1316821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1317c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1318821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them fail. 1319821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1320821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1321821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1322821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1323821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1324821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 1325821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1326821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1327b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1328e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1329e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1330821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1331c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 133232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1333c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1334c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1335c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 133632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 133732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcherImpl); 1338e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1339e35fdd936d133bf8a48de140a3c666897588a05shiqian 1340e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AnyOf(m_1, ..., m_n) matcher, which 1341e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches at least one of the matchers m_1, ..., 1342e35fdd936d133bf8a48de140a3c666897588a05shiqian// and m_n. 1343e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1344e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EitherOfMatcher { 1345e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1346e35fdd936d133bf8a48de140a3c666897588a05shiqian EitherOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1347e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1348e35fdd936d133bf8a48de140a3c666897588a05shiqian 1349e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1350e35fdd936d133bf8a48de140a3c666897588a05shiqian // EitherOfMatcher<Matcher1, Matcher2> object to match any type that 1351e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1352e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1353e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 135416cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan return Matcher<T>(new EitherOfMatcherImpl<T>( 135516cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan SafeMatcherCast<T>(matcher1_), SafeMatcherCast<T>(matcher2_))); 1356e35fdd936d133bf8a48de140a3c666897588a05shiqian } 135732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1358e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1359e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher1 matcher1_; 1360e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher2 matcher2_; 136132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 136232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcher); 1363e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1364e35fdd936d133bf8a48de140a3c666897588a05shiqian 1365e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Truly(pred), which turns a predicate into a 1366e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher. 1367e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 1368e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TrulyMatcher { 1369e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1370e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit TrulyMatcher(Predicate pred) : predicate_(pred) {} 1371e35fdd936d133bf8a48de140a3c666897588a05shiqian 1372e35fdd936d133bf8a48de140a3c666897588a05shiqian // This method template allows Truly(pred) to be used as a matcher 1373e35fdd936d133bf8a48de140a3c666897588a05shiqian // for type T where T is the argument type of predicate 'pred'. The 1374e35fdd936d133bf8a48de140a3c666897588a05shiqian // argument is passed by reference as the predicate may be 1375e35fdd936d133bf8a48de140a3c666897588a05shiqian // interested in the address of the argument. 1376e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1377db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(T& x, // NOLINT 1378db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1379652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1380e35fdd936d133bf8a48de140a3c666897588a05shiqian // MSVC warns about converting a value into bool (warning 4800). 1381e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(push) // Saves the current warning state. 1382e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(disable:4800) // Temporarily disables warning 4800. 1383e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1384e35fdd936d133bf8a48de140a3c666897588a05shiqian return predicate_(x); 1385652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1386e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(pop) // Restores the warning state. 1387e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1388e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1389e35fdd936d133bf8a48de140a3c666897588a05shiqian 1390e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1391e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "satisfies the given predicate"; 1392e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1393e35fdd936d133bf8a48de140a3c666897588a05shiqian 1394e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1395e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't satisfy the given predicate"; 1396e35fdd936d133bf8a48de140a3c666897588a05shiqian } 139732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1398e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1399e35fdd936d133bf8a48de140a3c666897588a05shiqian Predicate predicate_; 140032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 140132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(TrulyMatcher); 1402e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1403e35fdd936d133bf8a48de140a3c666897588a05shiqian 1404e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Matches(matcher), which turns a matcher into 1405e35fdd936d133bf8a48de140a3c666897588a05shiqian// a predicate. 1406e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1407e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherAsPredicate { 1408e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1409e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherAsPredicate(M matcher) : matcher_(matcher) {} 1410e35fdd936d133bf8a48de140a3c666897588a05shiqian 1411e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template operator() allows Matches(m) to be used as a 1412e35fdd936d133bf8a48de140a3c666897588a05shiqian // predicate on type T where m is a matcher on type T. 1413e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1414e35fdd936d133bf8a48de140a3c666897588a05shiqian // The argument x is passed by reference instead of by value, as 1415e35fdd936d133bf8a48de140a3c666897588a05shiqian // some matcher may be interested in its address (e.g. as in 1416e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matches(Ref(n))(x)). 1417e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1418e35fdd936d133bf8a48de140a3c666897588a05shiqian bool operator()(const T& x) const { 1419e35fdd936d133bf8a48de140a3c666897588a05shiqian // We let matcher_ commit to a particular type here instead of 1420e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the MatcherAsPredicate object was constructed. This 1421e35fdd936d133bf8a48de140a3c666897588a05shiqian // allows us to write Matches(m) where m is a polymorphic matcher 1422e35fdd936d133bf8a48de140a3c666897588a05shiqian // (e.g. Eq(5)). 1423e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1424e35fdd936d133bf8a48de140a3c666897588a05shiqian // If we write Matcher<T>(matcher_).Matches(x) here, it won't 1425e35fdd936d133bf8a48de140a3c666897588a05shiqian // compile when matcher_ has type Matcher<const T&>; if we write 1426e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_).Matches(x) here, it won't compile 1427e35fdd936d133bf8a48de140a3c666897588a05shiqian // when matcher_ has type Matcher<T>; if we just write 1428e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_.Matches(x), it won't compile when matcher_ is 1429e35fdd936d133bf8a48de140a3c666897588a05shiqian // polymorphic, e.g. Eq(5). 1430e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1431e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherCast<const T&>() is necessary for making the code work 1432e35fdd936d133bf8a48de140a3c666897588a05shiqian // in all of the above situations. 1433e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatcherCast<const T&>(matcher_).Matches(x); 1434e35fdd936d133bf8a48de140a3c666897588a05shiqian } 143532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1436e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1437e35fdd936d133bf8a48de140a3c666897588a05shiqian M matcher_; 143832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 143932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MatcherAsPredicate); 1440e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1441e35fdd936d133bf8a48de140a3c666897588a05shiqian 1442e35fdd936d133bf8a48de140a3c666897588a05shiqian// For implementing ASSERT_THAT() and EXPECT_THAT(). The template 1443e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument M must be a type that can be converted to a matcher. 1444e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1445e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PredicateFormatterFromMatcher { 1446e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1447e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PredicateFormatterFromMatcher(const M& m) : matcher_(m) {} 1448e35fdd936d133bf8a48de140a3c666897588a05shiqian 1449e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template () operator allows a PredicateFormatterFromMatcher 1450e35fdd936d133bf8a48de140a3c666897588a05shiqian // object to act as a predicate-formatter suitable for using with 1451e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Test's EXPECT_PRED_FORMAT1() macro. 1452e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1453e35fdd936d133bf8a48de140a3c666897588a05shiqian AssertionResult operator()(const char* value_text, const T& x) const { 1454e35fdd936d133bf8a48de140a3c666897588a05shiqian // We convert matcher_ to a Matcher<const T&> *now* instead of 1455e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the PredicateFormatterFromMatcher object was constructed, 1456e35fdd936d133bf8a48de140a3c666897588a05shiqian // as matcher_ may be polymorphic (e.g. NotNull()) and we won't 1457e35fdd936d133bf8a48de140a3c666897588a05shiqian // know which type to instantiate it to until we actually see the 1458e35fdd936d133bf8a48de140a3c666897588a05shiqian // type of x here. 1459e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1460e35fdd936d133bf8a48de140a3c666897588a05shiqian // We write MatcherCast<const T&>(matcher_) instead of 1461e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_), as the latter won't compile when 1462e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_ has type Matcher<T> (e.g. An<int>()). 1463e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const T&> matcher = MatcherCast<const T&>(matcher_); 1464821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener; 1465b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (MatchPrintAndExplain(x, matcher, &listener)) 1466e35fdd936d133bf8a48de140a3c666897588a05shiqian return AssertionSuccess(); 1467b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan 1468b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::stringstream ss; 1469b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "Value of: " << value_text << "\n" 1470b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << "Expected: "; 1471b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher.DescribeTo(&ss); 1472b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "\n Actual: " << listener.str(); 1473b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return AssertionFailure() << ss.str(); 1474e35fdd936d133bf8a48de140a3c666897588a05shiqian } 147532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1476e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1477e35fdd936d133bf8a48de140a3c666897588a05shiqian const M matcher_; 147832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 147932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PredicateFormatterFromMatcher); 1480e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1481e35fdd936d133bf8a48de140a3c666897588a05shiqian 1482e35fdd936d133bf8a48de140a3c666897588a05shiqian// A helper function for converting a matcher to a predicate-formatter 1483e35fdd936d133bf8a48de140a3c666897588a05shiqian// without the user needing to explicitly write the type. This is 1484e35fdd936d133bf8a48de140a3c666897588a05shiqian// used for implementing ASSERT_THAT() and EXPECT_THAT(). 1485e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1486e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PredicateFormatterFromMatcher<M> 1487e35fdd936d133bf8a48de140a3c666897588a05shiqianMakePredicateFormatterFromMatcher(const M& matcher) { 1488e35fdd936d133bf8a48de140a3c666897588a05shiqian return PredicateFormatterFromMatcher<M>(matcher); 1489e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1490e35fdd936d133bf8a48de140a3c666897588a05shiqian 1491e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic floating point equality matcher, which 1492e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches two float values using ULP-based approximation. The 1493e35fdd936d133bf8a48de140a3c666897588a05shiqian// template is meant to be instantiated with FloatType being either 1494e35fdd936d133bf8a48de140a3c666897588a05shiqian// float or double. 1495e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename FloatType> 1496e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FloatingEqMatcher { 1497e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1498e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructor for FloatingEqMatcher. 1499e35fdd936d133bf8a48de140a3c666897588a05shiqian // The matcher's input will be compared with rhs. The matcher treats two 1500e35fdd936d133bf8a48de140a3c666897588a05shiqian // NANs as equal if nan_eq_nan is true. Otherwise, under IEEE standards, 1501e35fdd936d133bf8a48de140a3c666897588a05shiqian // equality comparisons between NANs will always return false. 1502e35fdd936d133bf8a48de140a3c666897588a05shiqian FloatingEqMatcher(FloatType rhs, bool nan_eq_nan) : 1503e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1504e35fdd936d133bf8a48de140a3c666897588a05shiqian 1505e35fdd936d133bf8a48de140a3c666897588a05shiqian // Implements floating point equality matcher as a Matcher<T>. 1506e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1507e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1508e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1509e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(FloatType rhs, bool nan_eq_nan) : 1510e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1511e35fdd936d133bf8a48de140a3c666897588a05shiqian 1512821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T value, 1513821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { 1514e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatingPoint<FloatType> lhs(value), rhs(rhs_); 1515e35fdd936d133bf8a48de140a3c666897588a05shiqian 1516e35fdd936d133bf8a48de140a3c666897588a05shiqian // Compares NaNs first, if nan_eq_nan_ is true. 1517e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_ && lhs.is_nan()) { 1518e35fdd936d133bf8a48de140a3c666897588a05shiqian return rhs.is_nan(); 1519e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1520e35fdd936d133bf8a48de140a3c666897588a05shiqian 1521e35fdd936d133bf8a48de140a3c666897588a05shiqian return lhs.AlmostEquals(rhs); 1522e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1523e35fdd936d133bf8a48de140a3c666897588a05shiqian 1524e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1525e35fdd936d133bf8a48de140a3c666897588a05shiqian // os->precision() returns the previously set precision, which we 1526e35fdd936d133bf8a48de140a3c666897588a05shiqian // store to restore the ostream to its original configuration 1527e35fdd936d133bf8a48de140a3c666897588a05shiqian // after outputting. 1528e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1529e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1530e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1531e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1532e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NaN"; 1533e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1534e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 1535e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1536e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1537e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is approximately " << rhs_; 1538e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1539e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1540e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1541e35fdd936d133bf8a48de140a3c666897588a05shiqian 1542e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1543e35fdd936d133bf8a48de140a3c666897588a05shiqian // As before, get original precision. 1544e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1545e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1546e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1547e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1548b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't NaN"; 1549e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1550e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is anything"; 1551e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1552e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1553b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't approximately " << rhs_; 1554e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1555e35fdd936d133bf8a48de140a3c666897588a05shiqian // Restore original precision. 1556e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1557e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1558e35fdd936d133bf8a48de140a3c666897588a05shiqian 1559e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1560e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1561e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 156232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 156332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1564e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1565e35fdd936d133bf8a48de140a3c666897588a05shiqian 1566e35fdd936d133bf8a48de140a3c666897588a05shiqian // The following 3 type conversion operators allow FloatEq(rhs) and 1567e35fdd936d133bf8a48de140a3c666897588a05shiqian // NanSensitiveFloatEq(rhs) to be used as a Matcher<float>, a 1568e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const float&>, or a Matcher<float&>, but nothing else. 1569e35fdd936d133bf8a48de140a3c666897588a05shiqian // (While Google's C++ coding style doesn't allow arguments passed 1570e35fdd936d133bf8a48de140a3c666897588a05shiqian // by non-const reference, we may see them in code not conforming to 1571e35fdd936d133bf8a48de140a3c666897588a05shiqian // the style. Therefore Google Mock needs to support them.) 1572e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType>() const { 1573e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType>(rhs_, nan_eq_nan_)); 1574e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1575e35fdd936d133bf8a48de140a3c666897588a05shiqian 1576e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const FloatType&>() const { 1577e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<const FloatType&>(rhs_, nan_eq_nan_)); 1578e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1579e35fdd936d133bf8a48de140a3c666897588a05shiqian 1580e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType&>() const { 1581e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType&>(rhs_, nan_eq_nan_)); 1582e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1583e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1584e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1585e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 158632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 158732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FloatingEqMatcher); 1588e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1589e35fdd936d133bf8a48de140a3c666897588a05shiqian 1590e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Pointee(m) matcher for matching a pointer whose 1591e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointee matches matcher m. The pointer can be either raw or smart. 1592e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1593e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PointeeMatcher { 1594e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1595e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PointeeMatcher(const InnerMatcher& matcher) : matcher_(matcher) {} 1596e35fdd936d133bf8a48de140a3c666897588a05shiqian 1597e35fdd936d133bf8a48de140a3c666897588a05shiqian // This type conversion operator template allows Pointee(m) to be 1598e35fdd936d133bf8a48de140a3c666897588a05shiqian // used as a matcher for any pointer type whose pointee type is 1599e35fdd936d133bf8a48de140a3c666897588a05shiqian // compatible with the inner matcher, where type Pointer can be 1600e35fdd936d133bf8a48de140a3c666897588a05shiqian // either a raw pointer or a smart pointer. 1601e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1602e35fdd936d133bf8a48de140a3c666897588a05shiqian // The reason we do this instead of relying on 1603e35fdd936d133bf8a48de140a3c666897588a05shiqian // MakePolymorphicMatcher() is that the latter is not flexible 1604e35fdd936d133bf8a48de140a3c666897588a05shiqian // enough for implementing the DescribeTo() method of Pointee(). 1605e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1606e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Pointer>() const { 1607e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Pointer>(matcher_)); 1608e35fdd936d133bf8a48de140a3c666897588a05shiqian } 160932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1610e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1611e35fdd936d133bf8a48de140a3c666897588a05shiqian // The monomorphic implementation that works for a particular pointer type. 1612e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1613e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Pointer> { 1614e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 161502f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef typename PointeeOf<GTEST_REMOVE_CONST_( // NOLINT 161602f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_REMOVE_REFERENCE_(Pointer))>::type Pointee; 1617e35fdd936d133bf8a48de140a3c666897588a05shiqian 1618e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const InnerMatcher& matcher) 1619e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher_(MatcherCast<const Pointee&>(matcher)) {} 1620e35fdd936d133bf8a48de140a3c666897588a05shiqian 1621e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1622e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "points to a value that "; 1623e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1624e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1625e35fdd936d133bf8a48de140a3c666897588a05shiqian 1626e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1627e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not point to a value that "; 1628e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1629e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1630e35fdd936d133bf8a48de140a3c666897588a05shiqian 1631821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Pointer pointer, 1632821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 1633e35fdd936d133bf8a48de140a3c666897588a05shiqian if (GetRawPointer(pointer) == NULL) 1634821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1635e35fdd936d133bf8a48de140a3c666897588a05shiqian 1636676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to "; 1637676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(*pointer, matcher_, listener); 1638e35fdd936d133bf8a48de140a3c666897588a05shiqian } 163932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1640e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1641e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const Pointee&> matcher_; 164232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 164332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1644e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1645e35fdd936d133bf8a48de140a3c666897588a05shiqian 1646e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher matcher_; 164732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 164832de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PointeeMatcher); 1649e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1650e35fdd936d133bf8a48de140a3c666897588a05shiqian 1651e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Field() matcher for matching a field (i.e. member 1652e35fdd936d133bf8a48de140a3c666897588a05shiqian// variable) of an object. 1653e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType> 1654e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FieldMatcher { 1655e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1656e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldMatcher(FieldType Class::*field, 1657e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&>& matcher) 1658e35fdd936d133bf8a48de140a3c666897588a05shiqian : field_(field), matcher_(matcher) {} 1659e35fdd936d133bf8a48de140a3c666897588a05shiqian 1660e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1661676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1662e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1663e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1664e35fdd936d133bf8a48de140a3c666897588a05shiqian 1665e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1666676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1667e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1668e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1669e35fdd936d133bf8a48de140a3c666897588a05shiqian 1670db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1671db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T& value, MatchResultListener* listener) const { 1672db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1673db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 167402f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan is_pointer<GTEST_REMOVE_CONST_(T)>::type(), 1675db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1676db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1677db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1678db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1679db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 168018490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 168118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Field() matcher is used to match a pointer. 1682db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1683db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1684676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given field is "; 1685676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(obj.*field_, matcher_, listener); 1686e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1687e35fdd936d133bf8a48de140a3c666897588a05shiqian 1688db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1689db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1690821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1691821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1692821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1693676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1694821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a field, it must be a class/struct/union type and 1695821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // thus cannot be a pointer. Therefore we pass false_type() as 1696821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // the first argument. 1697db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1698e35fdd936d133bf8a48de140a3c666897588a05shiqian } 169932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1700e35fdd936d133bf8a48de140a3c666897588a05shiqian const FieldType Class::*field_; 1701e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&> matcher_; 170232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 170332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FieldMatcher); 1704e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1705e35fdd936d133bf8a48de140a3c666897588a05shiqian 1706e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Property() matcher for matching a property 1707e35fdd936d133bf8a48de140a3c666897588a05shiqian// (i.e. return value of a getter method) of an object. 1708e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType> 1709e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PropertyMatcher { 1710e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1711e35fdd936d133bf8a48de140a3c666897588a05shiqian // The property may have a reference type, so 'const PropertyType&' 1712e35fdd936d133bf8a48de140a3c666897588a05shiqian // may cause double references and fail to compile. That's why we 171302f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan // need GTEST_REFERENCE_TO_CONST, which works regardless of 1714e35fdd936d133bf8a48de140a3c666897588a05shiqian // PropertyType being a reference or not. 171502f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef GTEST_REFERENCE_TO_CONST_(PropertyType) RefToConstProperty; 1716e35fdd936d133bf8a48de140a3c666897588a05shiqian 1717e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyMatcher(PropertyType (Class::*property)() const, 1718e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty>& matcher) 1719e35fdd936d133bf8a48de140a3c666897588a05shiqian : property_(property), matcher_(matcher) {} 1720e35fdd936d133bf8a48de140a3c666897588a05shiqian 1721e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1722676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1723e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1724e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1725e35fdd936d133bf8a48de140a3c666897588a05shiqian 1726e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1727676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1728e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1729e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1730e35fdd936d133bf8a48de140a3c666897588a05shiqian 1731db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1732db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T&value, MatchResultListener* listener) const { 1733db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1734db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 173502f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan is_pointer<GTEST_REMOVE_CONST_(T)>::type(), 1736db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1737db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1738db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1739db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1740db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 174118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 174218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Property() matcher is used to match a pointer. 1743db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1744db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1745676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given property is "; 1746676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to MatchPrintAndExplain, 1747676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // which takes a non-const reference as argument. 1748676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan RefToConstProperty result = (obj.*property_)(); 1749676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1750e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1751e35fdd936d133bf8a48de140a3c666897588a05shiqian 1752db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1753db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1754821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1755821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1756821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1757676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1758821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a property method, it must be a class/struct/union 1759821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // type and thus cannot be a pointer. Therefore we pass 1760821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // false_type() as the first argument. 1761db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1762e35fdd936d133bf8a48de140a3c666897588a05shiqian } 176332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1764e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property_)() const; 1765e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty> matcher_; 176632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 176732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PropertyMatcher); 1768e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1769e35fdd936d133bf8a48de140a3c666897588a05shiqian 1770e35fdd936d133bf8a48de140a3c666897588a05shiqian// Type traits specifying various features of different functors for ResultOf. 1771e35fdd936d133bf8a48de140a3c666897588a05shiqian// The default template specifies features for functor objects. 1772e35fdd936d133bf8a48de140a3c666897588a05shiqian// Functor classes have to typedef argument_type and result_type 1773e35fdd936d133bf8a48de140a3c666897588a05shiqian// to be compatible with ResultOf. 1774e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Functor> 1775e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits { 1776e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename Functor::result_type ResultType; 1777e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef Functor StorageType; 1778e35fdd936d133bf8a48de140a3c666897588a05shiqian 177932de5f53763125925e078498250f7e73a88de9edzhanyong.wan static void CheckIsValid(Functor /* functor */) {} 1780e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1781e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResultType Invoke(Functor f, T arg) { return f(arg); } 1782e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1783e35fdd936d133bf8a48de140a3c666897588a05shiqian 1784e35fdd936d133bf8a48de140a3c666897588a05shiqian// Specialization for function pointers. 1785e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename ArgType, typename ResType> 1786e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits<ResType(*)(ArgType)> { 1787e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType ResultType; 1788e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType(*StorageType)(ArgType); 1789e35fdd936d133bf8a48de140a3c666897588a05shiqian 1790e35fdd936d133bf8a48de140a3c666897588a05shiqian static void CheckIsValid(ResType(*f)(ArgType)) { 1791f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan GTEST_CHECK_(f != NULL) 1792e35fdd936d133bf8a48de140a3c666897588a05shiqian << "NULL function pointer is passed into ResultOf()."; 1793e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1794e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1795e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResType Invoke(ResType(*f)(ArgType), T arg) { 1796e35fdd936d133bf8a48de140a3c666897588a05shiqian return (*f)(arg); 1797e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1798e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1799e35fdd936d133bf8a48de140a3c666897588a05shiqian 1800e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the ResultOf() matcher for matching a return value of a 1801e35fdd936d133bf8a48de140a3c666897588a05shiqian// unary function of an object. 1802e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable> 1803e35fdd936d133bf8a48de140a3c666897588a05shiqianclass ResultOfMatcher { 1804e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1805e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::ResultType ResultType; 1806e35fdd936d133bf8a48de140a3c666897588a05shiqian 1807e35fdd936d133bf8a48de140a3c666897588a05shiqian ResultOfMatcher(Callable callable, const Matcher<ResultType>& matcher) 1808e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) { 1809e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::CheckIsValid(callable_); 1810e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1811e35fdd936d133bf8a48de140a3c666897588a05shiqian 1812e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1813e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1814e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl<T>(callable_, matcher_)); 1815e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1816e35fdd936d133bf8a48de140a3c666897588a05shiqian 1817e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1818e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::StorageType CallableStorageType; 1819e35fdd936d133bf8a48de140a3c666897588a05shiqian 1820e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1821e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1822e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1823e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(CallableStorageType callable, const Matcher<ResultType>& matcher) 1824e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) {} 1825e35fdd936d133bf8a48de140a3c666897588a05shiqian 1826e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1827676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1828e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1829e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1830e35fdd936d133bf8a48de140a3c666897588a05shiqian 1831e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1832676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1833e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1834e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1835e35fdd936d133bf8a48de140a3c666897588a05shiqian 1836821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T obj, MatchResultListener* listener) const { 1837676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which is mapped by the given callable to "; 1838676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to 1839676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // MatchPrintAndExplain, which takes a non-const reference as argument. 1840676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ResultType result = 1841676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan CallableTraits<Callable>::template Invoke<T>(callable_, obj); 1842676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1843e35fdd936d133bf8a48de140a3c666897588a05shiqian } 184432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1845e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1846e35fdd936d133bf8a48de140a3c666897588a05shiqian // Functors often define operator() as non-const method even though 1847e35fdd936d133bf8a48de140a3c666897588a05shiqian // they are actualy stateless. But we need to use them even when 1848e35fdd936d133bf8a48de140a3c666897588a05shiqian // 'this' is a const pointer. It's the user's responsibility not to 1849e35fdd936d133bf8a48de140a3c666897588a05shiqian // use stateful callables with ResultOf(), which does't guarantee 1850e35fdd936d133bf8a48de140a3c666897588a05shiqian // how many times the callable will be invoked. 1851e35fdd936d133bf8a48de140a3c666897588a05shiqian mutable CallableStorageType callable_; 1852e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 185332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 185432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1855e35fdd936d133bf8a48de140a3c666897588a05shiqian }; // class Impl 1856e35fdd936d133bf8a48de140a3c666897588a05shiqian 1857e35fdd936d133bf8a48de140a3c666897588a05shiqian const CallableStorageType callable_; 1858e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 185932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 186032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ResultOfMatcher); 1861e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1862e35fdd936d133bf8a48de140a3c666897588a05shiqian 18636a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Implements an equality matcher for any STL-style container whose elements 18646a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// support ==. This matcher is like Eq(), but its failure explanations provide 18656a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// more detailed information that is useful when the container is used as a set. 18666a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// The failure message reports elements that are in one of the operands but not 18676a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// the other. The failure messages do not report duplicate or out-of-order 18686a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// elements in the containers (which don't properly matter to sets, but can 18696a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// occur if the containers are vectors or lists, for example). 18706a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// 18716a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Uses the container's const_iterator, value_type, operator ==, 18726a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// begin(), and end(). 18736a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 18746a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wanclass ContainerEqMatcher { 18756a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan public: 1876b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<Container> View; 1877b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1878b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1879b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1880b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // We make a copy of rhs in case the elements in it are modified 1881b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // after this matcher is created. 1882b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainerEqMatcher(const Container& rhs) : rhs_(View::Copy(rhs)) { 1883b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Makes sure the user doesn't instantiate this class template 1884b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // with a const or reference type. 1885ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan (void)testing::StaticAssertTypeEq<Container, 1886ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>(); 1887b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1888b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 18896a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeTo(::std::ostream* os) const { 18906a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "equals "; 1891e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); 18926a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18936a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 18946a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "does not equal "; 1895e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(rhs_, os); 18966a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18976a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1898b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename LhsContainer> 1899e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool MatchAndExplain(const LhsContainer& lhs, 1900e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan MatchResultListener* listener) const { 190102f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan // GTEST_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug 1902b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // that causes LhsContainer to be a const type sometimes. 190302f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef internal::StlContainerView<GTEST_REMOVE_CONST_(LhsContainer)> 1904b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan LhsView; 1905b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename LhsView::type LhsStlContainer; 1906b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 1907e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (lhs_stl_container == rhs_) 1908e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return true; 1909b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1910e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan ::std::ostream* const os = listener->stream(); 1911e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (os != NULL) { 1912b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Something is different. Check for extra values first. 1913e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header = false; 1914e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename LhsStlContainer::const_iterator it = 1915e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(); 1916e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != lhs_stl_container.end(); ++it) { 1917e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) == 1918e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan rhs_.end()) { 1919e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header) { 1920e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 1921e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 1922b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "which has these unexpected elements: "; 1923e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header = true; 1924e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 1925e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(*it, os); 19266a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19276a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19286a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1929b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Now check for missing values. 1930e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header2 = false; 1931e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename StlContainer::const_iterator it = rhs_.begin(); 1932e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != rhs_.end(); ++it) { 1933e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind( 1934e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(), lhs_stl_container.end(), *it) == 1935e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.end()) { 1936e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header2) { 1937e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 1938e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 1939b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << (printed_header ? ",\nand" : "which") 1940b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << " doesn't have these expected elements: "; 1941e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header2 = true; 1942e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 1943e2e8ba401d198d1a8304c652e997505609b62696vladlosev UniversalPrint(*it, os); 19446a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19456a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19466a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 1947e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan 1948e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return false; 19496a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 195032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 19516a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan private: 1952b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const StlContainer rhs_; 195332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 195432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainerEqMatcher); 19556a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan}; 19566a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1957ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// Implements Pointwise(tuple_matcher, rhs_container). tuple_matcher 1958ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// must be able to be safely cast to Matcher<tuple<const T1&, const 1959ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// T2&> >, where T1 and T2 are the types of elements in the LHS 1960ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// container and the RHS container respectively. 1961ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wantemplate <typename TupleMatcher, typename RhsContainer> 1962ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanclass PointwiseMatcher { 1963ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan public: 1964ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef internal::StlContainerView<RhsContainer> RhsView; 1965ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename RhsView::type RhsStlContainer; 1966ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename RhsStlContainer::value_type RhsValue; 1967ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 1968ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // Like ContainerEq, we make a copy of rhs in case the elements in 1969ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // it are modified after this matcher is created. 1970ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan PointwiseMatcher(const TupleMatcher& tuple_matcher, const RhsContainer& rhs) 1971ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan : tuple_matcher_(tuple_matcher), rhs_(RhsView::Copy(rhs)) { 1972ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // Makes sure the user doesn't instantiate this class template 1973ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // with a const or reference type. 1974ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan (void)testing::StaticAssertTypeEq<RhsContainer, 1975ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(RhsContainer)>(); 1976ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 1977ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 1978ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename LhsContainer> 1979ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan operator Matcher<LhsContainer>() const { 1980ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return MakeMatcher(new Impl<LhsContainer>(tuple_matcher_, rhs_)); 1981ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 1982ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 1983ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan template <typename LhsContainer> 1984ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan class Impl : public MatcherInterface<LhsContainer> { 1985ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan public: 1986ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef internal::StlContainerView< 1987ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)> LhsView; 1988ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsView::type LhsStlContainer; 1989ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsView::const_reference LhsStlContainerReference; 1990ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef typename LhsStlContainer::value_type LhsValue; 1991ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // We pass the LHS value and the RHS value to the inner matcher by 1992ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // reference, as they may be expensive to copy. We must use tuple 1993ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // instead of pair here, as a pair cannot hold references (C++ 98, 1994ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // 20.2.2 [lib.pairs]). 1995ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef std::tr1::tuple<const LhsValue&, const RhsValue&> InnerMatcherArg; 1996ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 1997ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan Impl(const TupleMatcher& tuple_matcher, const RhsStlContainer& rhs) 1998ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // mono_tuple_matcher_ holds a monomorphic version of the tuple matcher. 1999ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan : mono_tuple_matcher_(SafeMatcherCast<InnerMatcherArg>(tuple_matcher)), 2000ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan rhs_(rhs) {} 2001ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2002ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2003ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "contains " << rhs_.size() 2004ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " values, where each value and its corresponding value in "; 2005ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrinter<RhsStlContainer>::Print(rhs_, os); 2006ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << " "; 2007ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan mono_tuple_matcher_.DescribeTo(os); 2008ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2009ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2010ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << "doesn't contain exactly " << rhs_.size() 2011ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " values, or contains a value x at some index i" 2012ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan << " where x and the i-th value of "; 2013ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(rhs_, os); 2014ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *os << " "; 2015ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan mono_tuple_matcher_.DescribeNegationTo(os); 2016ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2017ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2018ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan virtual bool MatchAndExplain(LhsContainer lhs, 2019ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan MatchResultListener* listener) const { 2020ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan LhsStlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 2021ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const size_t actual_size = lhs_stl_container.size(); 2022ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (actual_size != rhs_.size()) { 2023ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << "which contains " << actual_size << " values"; 2024ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2025ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2026ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2027ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typename LhsStlContainer::const_iterator left = lhs_stl_container.begin(); 2028ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typename RhsStlContainer::const_iterator right = rhs_.begin(); 2029ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan for (size_t i = 0; i != actual_size; ++i, ++left, ++right) { 2030ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const InnerMatcherArg value_pair(*left, *right); 2031ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2032ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (listener->IsInterested()) { 2033ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan StringMatchResultListener inner_listener; 2034ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (!mono_tuple_matcher_.MatchAndExplain( 2035ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan value_pair, &inner_listener)) { 2036ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << "where the value pair ("; 2037ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(*left, listener->stream()); 2038ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << ", "; 2039ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan UniversalPrint(*right, listener->stream()); 2040ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan *listener << ") at index #" << i << " don't match"; 2041ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 2042ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2043ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2044ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } else { 2045ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan if (!mono_tuple_matcher_.Matches(value_pair)) 2046ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return false; 2047ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2048ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2049ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2050ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return true; 2051ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan } 2052ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2053ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan private: 2054ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const Matcher<InnerMatcherArg> mono_tuple_matcher_; 2055ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const RhsStlContainer rhs_; 2056ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2057ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 2058ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan }; 2059ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2060ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan private: 2061ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const TupleMatcher tuple_matcher_; 2062ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan const RhsStlContainer rhs_; 2063ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 2064ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_DISALLOW_ASSIGN_(PointwiseMatcher); 2065ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan}; 2066ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 206733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Holds the logic common to ContainsMatcherImpl and EachMatcherImpl. 2068b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename Container> 206933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass QuantifierMatcherImpl : public MatcherInterface<Container> { 2070b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 2071ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 2072b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef StlContainerView<RawContainer> View; 2073b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 2074b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 2075b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename StlContainer::value_type Element; 2076b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2077b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename InnerMatcher> 207833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit QuantifierMatcherImpl(InnerMatcher inner_matcher) 2079b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan : inner_matcher_( 208033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan testing::SafeMatcherCast<const Element&>(inner_matcher)) {} 208133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 208233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // Checks whether: 208333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // * All elements in the container match, if all_elements_should_match. 208433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // * Any element in the container matches, if !all_elements_should_match. 208533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan bool MatchAndExplainImpl(bool all_elements_should_match, 208633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan Container container, 208733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan MatchResultListener* listener) const { 208833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 208933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan size_t i = 0; 209033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan for (typename StlContainer::const_iterator it = stl_container.begin(); 209133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan it != stl_container.end(); ++it, ++i) { 209233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan StringMatchResultListener inner_listener; 209333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const bool matches = inner_matcher_.MatchAndExplain(*it, &inner_listener); 209433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 209533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan if (matches != all_elements_should_match) { 209633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *listener << "whose element #" << i 209733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan << (matches ? " matches" : " doesn't match"); 209833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 209933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return !all_elements_should_match; 210033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 210133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 210233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return all_elements_should_match; 210333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 210433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 210533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan protected: 210633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const Matcher<const Element&> inner_matcher_; 210733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 210833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(QuantifierMatcherImpl); 210933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 211033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 211133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements Contains(element_matcher) for the given argument type Container. 211233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Symmetric to EachMatcherImpl. 211333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename Container> 211433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass ContainsMatcherImpl : public QuantifierMatcherImpl<Container> { 211533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 211633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename InnerMatcher> 211733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit ContainsMatcherImpl(InnerMatcher inner_matcher) 211833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan : QuantifierMatcherImpl<Container>(inner_matcher) {} 2119b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2120b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what this matcher does. 2121b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2122b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "contains at least one element that "; 212333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 2124b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2125b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2126b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2127b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "doesn't contain any element that "; 212833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 2129b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2130b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2131821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 2132821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 213333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return this->MatchAndExplainImpl(false, container, listener); 2134b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2135b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2136b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 213732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcherImpl); 2138b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 2139b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 214033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements Each(element_matcher) for the given argument type Container. 214133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Symmetric to ContainsMatcherImpl. 214233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename Container> 214333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass EachMatcherImpl : public QuantifierMatcherImpl<Container> { 214433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 214533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename InnerMatcher> 214633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit EachMatcherImpl(InnerMatcher inner_matcher) 214733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan : QuantifierMatcherImpl<Container>(inner_matcher) {} 214833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 214933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan // Describes what this matcher does. 215033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 215133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *os << "only contains elements that "; 215233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeTo(os); 215333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 215433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 215533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 215633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan *os << "contains some element that "; 215733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan this->inner_matcher_.DescribeNegationTo(os); 215833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 215933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 216033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan virtual bool MatchAndExplain(Container container, 216133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan MatchResultListener* listener) const { 216233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return this->MatchAndExplainImpl(true, container, listener); 216333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 216433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 216533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan private: 216633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(EachMatcherImpl); 216733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 216833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 2169b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements polymorphic Contains(element_matcher). 2170b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 2171b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcher { 2172b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 2173b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcher(M m) : inner_matcher_(m) {} 2174b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2175b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename Container> 2176b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan operator Matcher<Container>() const { 2177b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return MakeMatcher(new ContainsMatcherImpl<Container>(inner_matcher_)); 2178b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2179b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2180b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 2181b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const M inner_matcher_; 218232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 218332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcher); 2184b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 2185b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 218633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Implements polymorphic Each(element_matcher). 218733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename M> 218833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wanclass EachMatcher { 218933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan public: 219033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan explicit EachMatcher(M m) : inner_matcher_(m) {} 219133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 219233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan template <typename Container> 219333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan operator Matcher<Container>() const { 219433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return MakeMatcher(new EachMatcherImpl<Container>(inner_matcher_)); 219533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan } 219633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 219733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan private: 219833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan const M inner_matcher_; 219933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 220033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan GTEST_DISALLOW_ASSIGN_(EachMatcher); 220133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan}; 220233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 2203b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements Key(inner_matcher) for the given argument pair type. 2204b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 2205b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 2206b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 2207b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename PairType> 2208b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcherImpl : public MatcherInterface<PairType> { 2209b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2210ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType; 2211b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef typename RawPairType::first_type KeyType; 2212b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2213b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename InnerMatcher> 2214b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcherImpl(InnerMatcher inner_matcher) 2215b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan : inner_matcher_( 2216b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan testing::SafeMatcherCast<const KeyType&>(inner_matcher)) { 2217b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2218b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2219b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Returns true iff 'key_value.first' (the key) matches the inner matcher. 2220821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType key_value, 2221821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2222b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan StringMatchResultListener inner_listener; 2223b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const bool match = inner_matcher_.MatchAndExplain(key_value.first, 2224b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan &inner_listener); 2225b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const internal::string explanation = inner_listener.str(); 2226b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (explanation != "") { 2227b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose first field is a value " << explanation; 2228b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan } 2229b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return match; 2230b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2231b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2232b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what this matcher does. 2233b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2234b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "has a key that "; 2235b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2236b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2237b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2238b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what the negation of this matcher does. 2239b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2240b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "doesn't have a key that "; 2241b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2242b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2243b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2244b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2245b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const Matcher<const KeyType&> inner_matcher_; 224632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 224732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcherImpl); 2248b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2249b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2250b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements polymorphic Key(matcher_for_key). 2251b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 2252b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcher { 2253b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2254b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcher(M m) : matcher_for_key_(m) {} 2255b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2256b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename PairType> 2257b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan operator Matcher<PairType>() const { 2258b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return MakeMatcher(new KeyMatcherImpl<PairType>(matcher_for_key_)); 2259b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2260b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2261b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2262b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const M matcher_for_key_; 226332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 226432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcher); 2265b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2266b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2267f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements Pair(first_matcher, second_matcher) for the given argument pair 2268f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// type with its two matchers. See Pair() function below. 2269f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename PairType> 2270f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcherImpl : public MatcherInterface<PairType> { 2271f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2272ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(PairType) RawPairType; 2273f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::first_type FirstType; 2274f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::second_type SecondType; 2275f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2276f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename FirstMatcher, typename SecondMatcher> 2277f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcherImpl(FirstMatcher first_matcher, SecondMatcher second_matcher) 2278f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_( 2279f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const FirstType&>(first_matcher)), 2280f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_( 2281f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const SecondType&>(second_matcher)) { 2282f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2283f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2284f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what this matcher does. 2285f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2286f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2287f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeTo(os); 2288f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", and has a second field that "; 2289f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeTo(os); 2290f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2291f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2292f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what the negation of this matcher does. 2293f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2294f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2295f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeNegationTo(os); 2296f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", or has a second field that "; 2297f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeNegationTo(os); 2298f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2299f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2300821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns true iff 'a_pair.first' matches first_matcher and 'a_pair.second' 2301821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // matches second_matcher. 2302821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType a_pair, 2303821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2304676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!listener->IsInterested()) { 2305676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // If the listener is not interested, we don't need to construct the 2306676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // explanation. 2307676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return first_matcher_.Matches(a_pair.first) && 2308676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan second_matcher_.Matches(a_pair.second); 2309821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2310676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener first_inner_listener; 2311676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!first_matcher_.MatchAndExplain(a_pair.first, 2312676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &first_inner_listener)) { 2313676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose first field does not match"; 2314b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(first_inner_listener.str(), listener->stream()); 2315821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2316f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2317676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener second_inner_listener; 2318676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!second_matcher_.MatchAndExplain(a_pair.second, 2319676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &second_inner_listener)) { 2320676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose second field does not match"; 2321b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(second_inner_listener.str(), listener->stream()); 2322821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2323f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2324676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ExplainSuccess(first_inner_listener.str(), second_inner_listener.str(), 2325676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan listener); 2326821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 2327f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2328f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2329f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2330676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan void ExplainSuccess(const internal::string& first_explanation, 2331676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan const internal::string& second_explanation, 2332676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan MatchResultListener* listener) const { 2333676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose both fields match"; 2334676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2335676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", where the first field is a value " << first_explanation; 2336676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2337676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (second_explanation != "") { 2338676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", "; 2339676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2340676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "and "; 2341676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } else { 2342676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "where "; 2343676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2344676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "the second field is a value " << second_explanation; 2345676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2346676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2347676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 2348f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const FirstType&> first_matcher_; 2349f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const SecondType&> second_matcher_; 235032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 235132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcherImpl); 2352f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2353f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2354f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements polymorphic Pair(first_matcher, second_matcher). 2355f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2356f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcher { 2357f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2358f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcher(FirstMatcher first_matcher, SecondMatcher second_matcher) 2359f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_(first_matcher), second_matcher_(second_matcher) {} 2360f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2361f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename PairType> 2362f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan operator Matcher<PairType> () const { 2363f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return MakeMatcher( 2364f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan new PairMatcherImpl<PairType>( 2365f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_, second_matcher_)); 2366f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2367f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2368f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2369f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const FirstMatcher first_matcher_; 2370f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const SecondMatcher second_matcher_; 237132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 237232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcher); 2373f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2374f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 23751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() and ElementsAreArray(). 23761afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename Container> 23771afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcherImpl : public MatcherInterface<Container> { 23781afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 2379ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 23801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef internal::StlContainerView<RawContainer> View; 23811afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::type StlContainer; 23821afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::const_reference StlContainerReference; 23831afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename StlContainer::value_type Element; 23841afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23851afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Constructs the matcher from a sequence of element values or 23861afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // element matchers. 23871afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename InputIter> 238832de5f53763125925e078498250f7e73a88de9edzhanyong.wan ElementsAreMatcherImpl(InputIter first, size_t a_count) { 238932de5f53763125925e078498250f7e73a88de9edzhanyong.wan matchers_.reserve(a_count); 23901afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan InputIter it = first; 239132de5f53763125925e078498250f7e73a88de9edzhanyong.wan for (size_t i = 0; i != a_count; ++i, ++it) { 23921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_.push_back(MatcherCast<const Element&>(*it)); 23931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 23941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 23951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what this matcher does. 23971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 23981afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 23991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "is empty"; 24001afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else if (count() == 1) { 24011afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has 1 element that "; 24021afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[0].DescribeTo(os); 24031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else { 24041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has " << Elements(count()) << " where\n"; 24051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2406b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 24071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeTo(os); 24081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 24091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ",\n"; 24101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 24151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what the negation of this matcher does. 24161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 24171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 2418b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't empty"; 24191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 24201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2422b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "doesn't have " << Elements(count()) << ", or\n"; 24231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2424b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 24251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeNegationTo(os); 24261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 24271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ", or\n"; 24281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24301afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24311afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2432821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 2433821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 24341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 2435821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const size_t actual_count = stl_container.size(); 2436821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != count()) { 2437821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The element count doesn't match. If the container is empty, 2438821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // there's no need to explain anything as Google Mock already 2439821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // prints the empty container. Otherwise we just need to show 2440821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // how many elements there actually are. 2441821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != 0) { 2442b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "which has " << Elements(actual_count); 24431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2444821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2445821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 24461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2447821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 2448821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explanations[i] is the explanation of the element at index i. 2449821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan std::vector<internal::string> explanations(count()); 2450821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 2451821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener s; 2452821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matchers_[i].MatchAndExplain(*it, &s)) { 2453821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan explanations[i] = s.str(); 2454821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 2455821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The container has the right size but the i-th element 2456821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // doesn't match its expectation. 2457b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " doesn't match"; 2458b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(s.str(), listener->stream()); 2459821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2460821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2461821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 24621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2463821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Every element matches its expectation. We need to explain why 2464821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // (the obvious ones can be skipped). 2465821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan bool reason_printed = false; 2466821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2467821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string& s = explanations[i]; 2468821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!s.empty()) { 2469821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (reason_printed) { 2470b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ",\nand "; 24711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2472b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " matches, " << s; 2473821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan reason_printed = true; 24741afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2476821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 2477821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 24781afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24791afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 24801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 24811afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan static Message Elements(size_t count) { 24821afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return Message() << count << (count == 1 ? " element" : " elements"); 24831afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 24841afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 24851afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan size_t count() const { return matchers_.size(); } 24861afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan std::vector<Matcher<const Element&> > matchers_; 248732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 248832de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreMatcherImpl); 24891afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 24901afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 24911afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() of 0 arguments. 24921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcher0 { 24931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 24941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreMatcher0() {} 24951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 24961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 24971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 2498ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 24991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 25001afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 25011afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25021afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Matcher<const Element&>* const matchers = NULL; 25031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(matchers, 0)); 25041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 25061afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAreArray(). 25081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename T> 25091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreArrayMatcher { 25101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 25111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreArrayMatcher(const T* first, size_t count) : 25121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan first_(first), count_(count) {} 25131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 25151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 2516ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer; 25171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 25181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 25191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(first_, count_)); 25211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 25221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 25231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 25241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const T* const first_; 25251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const size_t count_; 252632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 252732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreArrayMatcher); 25281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 25291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2530b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// Returns the description for a matcher defined using the MATCHER*() 2531b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// macro where the user-supplied description string is "", if 2532b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// 'negation' is false; otherwise returns the description of the 2533b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// negation of the matcher. 'param_values' contains a list of strings 2534b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan// that are the print-out of the matcher's parameters. 2535b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wanstring FormatMatcherDescription(bool negation, const char* matcher_name, 2536b4140808f98ff09c43ca1ddaa8ff13bc47cd0089zhanyong.wan const Strings& param_values); 25371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2538e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 2539e35fdd936d133bf8a48de140a3c666897588a05shiqian 2540e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements MatcherCast(). 2541e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 2542e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MatcherCast(M matcher) { 2543e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherCastImpl<T, M>::Cast(matcher); 2544e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2545e35fdd936d133bf8a48de140a3c666897588a05shiqian 2546e35fdd936d133bf8a48de140a3c666897588a05shiqian// _ is a matcher that matches anything of any type. 2547e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2548e35fdd936d133bf8a48de140a3c666897588a05shiqian// This definition is fine as: 2549e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2550e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1. The C++ standard permits using the name _ in a namespace that 2551e35fdd936d133bf8a48de140a3c666897588a05shiqian// is not the global namespace or ::std. 2552e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2. The AnythingMatcher class has no data member or constructor, 2553e35fdd936d133bf8a48de140a3c666897588a05shiqian// so it's OK to create global variables of this type. 2554e35fdd936d133bf8a48de140a3c666897588a05shiqian// 3. c-style has approved of using _ in this case. 2555e35fdd936d133bf8a48de140a3c666897588a05shiqianconst internal::AnythingMatcher _ = {}; 2556e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2557e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2558e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> A() { return MakeMatcher(new internal::AnyMatcherImpl<T>()); } 2559e35fdd936d133bf8a48de140a3c666897588a05shiqian 2560e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2561e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2562e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> An() { return A<T>(); } 2563e35fdd936d133bf8a48de140a3c666897588a05shiqian 2564e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything equal to x. 2565e35fdd936d133bf8a48de140a3c666897588a05shiqian// Note: if the parameter of Eq() were declared as const T&, Eq("foo") 2566e35fdd936d133bf8a48de140a3c666897588a05shiqian// wouldn't compile. 2567e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2568e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); } 2569e35fdd936d133bf8a48de140a3c666897588a05shiqian 2570e35fdd936d133bf8a48de140a3c666897588a05shiqian// Constructs a Matcher<T> from a 'value' of type T. The constructed 2571e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher matches any value that's equal to 'value'. 2572e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2573e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T>::Matcher(T value) { *this = Eq(value); } 2574e35fdd936d133bf8a48de140a3c666897588a05shiqian 2575e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a monomorphic matcher that matches anything with type Lhs 2576e35fdd936d133bf8a48de140a3c666897588a05shiqian// and equal to rhs. A user may need to use this instead of Eq(...) 2577e35fdd936d133bf8a48de140a3c666897588a05shiqian// in order to resolve an overloading ambiguity. 2578e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2579e35fdd936d133bf8a48de140a3c666897588a05shiqian// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x)) 2580e35fdd936d133bf8a48de140a3c666897588a05shiqian// or Matcher<T>(x), but more readable than the latter. 2581e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2582e35fdd936d133bf8a48de140a3c666897588a05shiqian// We could define similar monomorphic matchers for other comparison 2583e35fdd936d133bf8a48de140a3c666897588a05shiqian// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do 2584e35fdd936d133bf8a48de140a3c666897588a05shiqian// it yet as those are used much less than Eq() in practice. A user 2585e35fdd936d133bf8a48de140a3c666897588a05shiqian// can always write Matcher<T>(Lt(5)) to be explicit about the type, 2586e35fdd936d133bf8a48de140a3c666897588a05shiqian// for example. 2587e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Lhs, typename Rhs> 2588e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); } 2589e35fdd936d133bf8a48de140a3c666897588a05shiqian 2590e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything >= x. 2591e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2592e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GeMatcher<Rhs> Ge(Rhs x) { 2593e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GeMatcher<Rhs>(x); 2594e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2595e35fdd936d133bf8a48de140a3c666897588a05shiqian 2596e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything > x. 2597e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2598e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GtMatcher<Rhs> Gt(Rhs x) { 2599e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GtMatcher<Rhs>(x); 2600e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2601e35fdd936d133bf8a48de140a3c666897588a05shiqian 2602e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything <= x. 2603e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2604e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LeMatcher<Rhs> Le(Rhs x) { 2605e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LeMatcher<Rhs>(x); 2606e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2607e35fdd936d133bf8a48de140a3c666897588a05shiqian 2608e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything < x. 2609e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2610e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LtMatcher<Rhs> Lt(Rhs x) { 2611e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LtMatcher<Rhs>(x); 2612e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2613e35fdd936d133bf8a48de140a3c666897588a05shiqian 2614e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything != x. 2615e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2616e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NeMatcher<Rhs> Ne(Rhs x) { 2617e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NeMatcher<Rhs>(x); 2618e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2619e35fdd936d133bf8a48de140a3c666897588a05shiqian 26202d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// Creates a polymorphic matcher that matches any NULL pointer. 26212d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.waninline PolymorphicMatcher<internal::IsNullMatcher > IsNull() { 26222d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan return MakePolymorphicMatcher(internal::IsNullMatcher()); 26232d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan} 26242d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 2625e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any non-NULL pointer. 2626e35fdd936d133bf8a48de140a3c666897588a05shiqian// This is convenient as Not(NULL) doesn't compile (the compiler 2627e35fdd936d133bf8a48de140a3c666897588a05shiqian// thinks that that expression is comparing a pointer with an integer). 2628e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::NotNullMatcher > NotNull() { 2629e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::NotNullMatcher()); 2630e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2631e35fdd936d133bf8a48de140a3c666897588a05shiqian 2632e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any argument that 2633e35fdd936d133bf8a48de140a3c666897588a05shiqian// references variable x. 2634e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2635e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::RefMatcher<T&> Ref(T& x) { // NOLINT 2636e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::RefMatcher<T&>(x); 2637e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2638e35fdd936d133bf8a48de140a3c666897588a05shiqian 2639e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2640e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2641e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> DoubleEq(double rhs) { 2642e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, false); 2643e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2644e35fdd936d133bf8a48de140a3c666897588a05shiqian 2645e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2646e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2647e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> NanSensitiveDoubleEq(double rhs) { 2648e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, true); 2649e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2650e35fdd936d133bf8a48de140a3c666897588a05shiqian 2651e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any float argument approximately 2652e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2653e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> FloatEq(float rhs) { 2654e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, false); 2655e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2656e35fdd936d133bf8a48de140a3c666897588a05shiqian 2657e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2658e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2659e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> NanSensitiveFloatEq(float rhs) { 2660e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, true); 2661e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2662e35fdd936d133bf8a48de140a3c666897588a05shiqian 2663e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches a pointer (raw or smart) that points 2664e35fdd936d133bf8a48de140a3c666897588a05shiqian// to a value that matches inner_matcher. 2665e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2666e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::PointeeMatcher<InnerMatcher> Pointee( 2667e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher& inner_matcher) { 2668e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::PointeeMatcher<InnerMatcher>(inner_matcher); 2669e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2670e35fdd936d133bf8a48de140a3c666897588a05shiqian 2671e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given field matches 2672e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'matcher'. For example, 2673e35fdd936d133bf8a48de140a3c666897588a05shiqian// Field(&Foo::number, Ge(5)) 2674e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.number >= 5. 2675e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType, typename FieldMatcher> 2676e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2677e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType> > Field( 2678e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldType Class::*field, const FieldMatcher& matcher) { 2679e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2680e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType>( 2681e35fdd936d133bf8a48de140a3c666897588a05shiqian field, MatcherCast<const FieldType&>(matcher))); 2682e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2683e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2684e35fdd936d133bf8a48de140a3c666897588a05shiqian // Field(&Foo::bar, m) 2685e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar is an int32 and m is a matcher for int64. 2686e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2687e35fdd936d133bf8a48de140a3c666897588a05shiqian 2688e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given property 2689e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches 'matcher'. For example, 2690e35fdd936d133bf8a48de140a3c666897588a05shiqian// Property(&Foo::str, StartsWith("hi")) 2691e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.str() starts with "hi". 2692e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType, typename PropertyMatcher> 2693e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2694e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType> > Property( 2695e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property)() const, const PropertyMatcher& matcher) { 2696e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2697e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType>( 2698e35fdd936d133bf8a48de140a3c666897588a05shiqian property, 269902f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan MatcherCast<GTEST_REFERENCE_TO_CONST_(PropertyType)>(matcher))); 2700e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2701e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2702e35fdd936d133bf8a48de140a3c666897588a05shiqian // Property(&Foo::bar, m) 2703e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar() returns an int32 and m is a matcher for int64. 2704e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2705e35fdd936d133bf8a48de140a3c666897588a05shiqian 2706e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object iff the result of applying 2707e35fdd936d133bf8a48de140a3c666897588a05shiqian// a callable to x matches 'matcher'. 2708e35fdd936d133bf8a48de140a3c666897588a05shiqian// For example, 2709e35fdd936d133bf8a48de140a3c666897588a05shiqian// ResultOf(f, StartsWith("hi")) 2710e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff f(x) starts with "hi". 2711e35fdd936d133bf8a48de140a3c666897588a05shiqian// callable parameter can be a function, function pointer, or a functor. 2712e35fdd936d133bf8a48de140a3c666897588a05shiqian// Callable has to satisfy the following conditions: 2713e35fdd936d133bf8a48de140a3c666897588a05shiqian// * It is required to keep no state affecting the results of 2714e35fdd936d133bf8a48de140a3c666897588a05shiqian// the calls on it and make no assumptions about how many calls 2715e35fdd936d133bf8a48de140a3c666897588a05shiqian// will be made. Any state it keeps must be protected from the 2716e35fdd936d133bf8a48de140a3c666897588a05shiqian// concurrent access. 2717e35fdd936d133bf8a48de140a3c666897588a05shiqian// * If it is a function object, it has to define type result_type. 2718e35fdd936d133bf8a48de140a3c666897588a05shiqian// We recommend deriving your functor classes from std::unary_function. 2719e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable, typename ResultOfMatcher> 2720e35fdd936d133bf8a48de140a3c666897588a05shiqianinternal::ResultOfMatcher<Callable> ResultOf( 2721e35fdd936d133bf8a48de140a3c666897588a05shiqian Callable callable, const ResultOfMatcher& matcher) { 2722e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::ResultOfMatcher<Callable>( 2723e35fdd936d133bf8a48de140a3c666897588a05shiqian callable, 2724e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherCast<typename internal::CallableTraits<Callable>::ResultType>( 2725e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher)); 2726e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2727e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2728e35fdd936d133bf8a48de140a3c666897588a05shiqian // ResultOf(Function, m) 2729e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where Function() returns an int32 and m is a matcher for int64. 2730e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2731e35fdd936d133bf8a48de140a3c666897588a05shiqian 2732e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 2733e35fdd936d133bf8a48de140a3c666897588a05shiqian 2734e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2735e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2736e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::string& str) { 2737e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2738e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2739e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2740e35fdd936d133bf8a48de140a3c666897588a05shiqian 2741e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2742e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2743e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::string& str) { 2744e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2745e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2746e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2747e35fdd936d133bf8a48de140a3c666897588a05shiqian 2748e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2749e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2750e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::string& str) { 2751e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2752e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2753e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2754e35fdd936d133bf8a48de140a3c666897588a05shiqian 2755e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2756e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2757e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::string& str) { 2758e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2759e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2760e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2761e35fdd936d133bf8a48de140a3c666897588a05shiqian 2762e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any string, std::string, or C string 2763e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2764e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::string> > 2765e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::string& substring) { 2766e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::string>( 2767e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2768e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2769e35fdd936d133bf8a48de140a3c666897588a05shiqian 2770e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2771e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::string> > 2772e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::string& prefix) { 2773e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::string>( 2774e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2775e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2776e35fdd936d133bf8a48de140a3c666897588a05shiqian 2777e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2778e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::string> > 2779e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::string& suffix) { 2780e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::string>( 2781e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2782e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2783e35fdd936d133bf8a48de140a3c666897588a05shiqian 2784e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that fully matches regular expression 'regex'. 2785e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2786e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2787e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2788e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true)); 2789e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2790e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2791e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2792e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatchesRegex(new internal::RE(regex)); 2793e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2794e35fdd936d133bf8a48de140a3c666897588a05shiqian 2795e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that contains regular expression 'regex'. 2796e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2797e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2798e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2799e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false)); 2800e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2801e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2802e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2803e35fdd936d133bf8a48de140a3c666897588a05shiqian return ContainsRegex(new internal::RE(regex)); 2804e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2805e35fdd936d133bf8a48de140a3c666897588a05shiqian 2806e35fdd936d133bf8a48de140a3c666897588a05shiqian#if GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2807e35fdd936d133bf8a48de140a3c666897588a05shiqian// Wide string matchers. 2808e35fdd936d133bf8a48de140a3c666897588a05shiqian 2809e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2810e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2811e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::wstring& str) { 2812e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2813e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2814e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2815e35fdd936d133bf8a48de140a3c666897588a05shiqian 2816e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2817e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2818e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::wstring& str) { 2819e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2820e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2821e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2822e35fdd936d133bf8a48de140a3c666897588a05shiqian 2823e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2824e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2825e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::wstring& str) { 2826e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2827e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2828e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2829e35fdd936d133bf8a48de140a3c666897588a05shiqian 2830e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2831e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2832e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::wstring& str) { 2833e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2834e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2835e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2836e35fdd936d133bf8a48de140a3c666897588a05shiqian 2837e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any wstring, std::wstring, or C wide string 2838e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2839e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::wstring> > 2840e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::wstring& substring) { 2841e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::wstring>( 2842e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2843e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2844e35fdd936d133bf8a48de140a3c666897588a05shiqian 2845e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2846e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::wstring> > 2847e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::wstring& prefix) { 2848e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::wstring>( 2849e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2850e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2851e35fdd936d133bf8a48de140a3c666897588a05shiqian 2852e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2853e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::wstring> > 2854e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::wstring& suffix) { 2855e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::wstring>( 2856e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2857e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2858e35fdd936d133bf8a48de140a3c666897588a05shiqian 2859e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2860e35fdd936d133bf8a48de140a3c666897588a05shiqian 2861e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2862e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field == the second field. 2863e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Eq2Matcher Eq() { return internal::Eq2Matcher(); } 2864e35fdd936d133bf8a48de140a3c666897588a05shiqian 2865e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2866e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field >= the second field. 2867e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ge2Matcher Ge() { return internal::Ge2Matcher(); } 2868e35fdd936d133bf8a48de140a3c666897588a05shiqian 2869e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2870e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field > the second field. 2871e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Gt2Matcher Gt() { return internal::Gt2Matcher(); } 2872e35fdd936d133bf8a48de140a3c666897588a05shiqian 2873e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2874e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field <= the second field. 2875e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Le2Matcher Le() { return internal::Le2Matcher(); } 2876e35fdd936d133bf8a48de140a3c666897588a05shiqian 2877e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2878e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field < the second field. 2879e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); } 2880e35fdd936d133bf8a48de140a3c666897588a05shiqian 2881e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2882e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field != the second field. 2883e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); } 2884e35fdd936d133bf8a48de140a3c666897588a05shiqian 2885e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of type T that m doesn't 2886e35fdd936d133bf8a48de140a3c666897588a05shiqian// match. 2887e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2888e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) { 2889e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NotMatcher<InnerMatcher>(m); 2890e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2891e35fdd936d133bf8a48de140a3c666897588a05shiqian 2892e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches all of the 2893e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matchers. 2894e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2895e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2896e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2897e35fdd936d133bf8a48de140a3c666897588a05shiqian// AllOf()s. 2898e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2899e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, Matcher2> 2900e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2) { 2901e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2); 2902e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2903e35fdd936d133bf8a48de140a3c666897588a05shiqian 2904e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2905e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2906e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, Matcher3> > 2907e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2908e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3)); 2909e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2910e35fdd936d133bf8a48de140a3c666897588a05shiqian 2911e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2912e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2913e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2914e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2915e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, Matcher4> > > 2916e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2917e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4)); 2918e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2919e35fdd936d133bf8a48de140a3c666897588a05shiqian 2920e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2921e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2922e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2923e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2924e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, 2925e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher4, Matcher5> > > > 2926e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2927e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4, m5)); 2928e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2929e35fdd936d133bf8a48de140a3c666897588a05shiqian 2930e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches at least one 2931e35fdd936d133bf8a48de140a3c666897588a05shiqian// of the given matchers. 2932e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2933e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2934e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2935e35fdd936d133bf8a48de140a3c666897588a05shiqian// AnyOf()s. 2936e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2937e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, Matcher2> 2938e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2) { 2939e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2); 2940e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2941e35fdd936d133bf8a48de140a3c666897588a05shiqian 2942e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2943e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2944e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, Matcher3> > 2945e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2946e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3)); 2947e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2948e35fdd936d133bf8a48de140a3c666897588a05shiqian 2949e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2950e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2951e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2952e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2953e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, Matcher4> > > 2954e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2955e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4)); 2956e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2957e35fdd936d133bf8a48de140a3c666897588a05shiqian 2958e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2959e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2960e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2961e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2962e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, 2963e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher4, Matcher5> > > > 2964e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2965e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4, m5)); 2966e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2967e35fdd936d133bf8a48de140a3c666897588a05shiqian 2968e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a matcher that matches anything that satisfies the given 2969e35fdd936d133bf8a48de140a3c666897588a05shiqian// predicate. The predicate can be any unary function or functor 2970e35fdd936d133bf8a48de140a3c666897588a05shiqian// whose return type can be implicitly converted to bool. 2971e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 2972e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::TrulyMatcher<Predicate> > 2973e35fdd936d133bf8a48de140a3c666897588a05shiqianTruly(Predicate pred) { 2974e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::TrulyMatcher<Predicate>(pred)); 2975e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2976e35fdd936d133bf8a48de140a3c666897588a05shiqian 29776a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Returns a matcher that matches an equal container. 29786a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// This matcher behaves like Eq(), but in the event of mismatch lists the 29796a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values that are included in one container but not the other. (Duplicate 29806a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values and order differences are not explained.) 29816a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 2982821133180ccdb9eb062548d964929ba3b354eb84zhanyong.waninline PolymorphicMatcher<internal::ContainerEqMatcher< // NOLINT 298302f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan GTEST_REMOVE_CONST_(Container)> > 29846a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ContainerEq(const Container& rhs) { 2985b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // This following line is for working around a bug in MSVC 8.0, 2986b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // which causes Container to be a const type sometimes. 298702f7106557fde1f1075dc53d65ef1f7a11851f93zhanyong.wan typedef GTEST_REMOVE_CONST_(Container) RawContainer; 2988821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return MakePolymorphicMatcher( 2989821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan internal::ContainerEqMatcher<RawContainer>(rhs)); 2990b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 2991b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2992ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// Matches an STL-style container or a native array that contains the 2993ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// same number of elements as in rhs, where its i-th element and rhs's 2994ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// i-th element (as a pair) satisfy the given pair matcher, for all i. 2995ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// TupleMatcher must be able to be safely cast to Matcher<tuple<const 2996ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// T1&, const T2&> >, where T1 and T2 are the types of elements in the 2997ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan// LHS container and the RHS container respectively. 2998ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wantemplate <typename TupleMatcher, typename Container> 2999ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.waninline internal::PointwiseMatcher<TupleMatcher, 3000ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan GTEST_REMOVE_CONST_(Container)> 3001ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wanPointwise(const TupleMatcher& tuple_matcher, const Container& rhs) { 3002ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // This following line is for working around a bug in MSVC 8.0, 3003ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan // which causes Container to be a const type sometimes. 3004ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan typedef GTEST_REMOVE_CONST_(Container) RawContainer; 3005ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan return internal::PointwiseMatcher<TupleMatcher, RawContainer>( 3006ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan tuple_matcher, rhs); 3007ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan} 3008ab5b77c179009b787d71ff934eaf4a0db6c24814zhanyong.wan 3009b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Matches an STL-style container or a native array that contains at 3010b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// least one element matching the given value or matcher. 3011b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3012b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Examples: 3013b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::set<int> page_ids; 3014b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(3); 3015b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(1); 3016b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(1)); 3017b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(Gt(2))); 3018b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Not(Contains(4))); 3019b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3020b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::map<int, size_t> page_lengths; 3021b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_lengths[1] = 100; 30224019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// EXPECT_THAT(page_lengths, 30234019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// Contains(::std::pair<const int, size_t>(1, 100))); 3024b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 3025b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 3026b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(user_ids, Contains(Eq(::std::string("tom")))); 3027b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 3028b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline internal::ContainsMatcher<M> Contains(M matcher) { 3029b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return internal::ContainsMatcher<M>(matcher); 30306a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan} 30316a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 303233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Matches an STL-style container or a native array that contains only 303333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// elements matching the given value or matcher. 303433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 303533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Each(m) is semantically equivalent to Not(Contains(Not(m))). Only 303633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// the messages are different. 303733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 303833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// Examples: 303933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// ::std::set<int> page_ids; 304033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// // Each(m) matches an empty container, regardless of what m is. 304133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Eq(1))); 304233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Eq(77))); 304333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 304433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_ids.insert(3); 304533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Each(Gt(0))); 304633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Not(Each(Gt(4)))); 304733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_ids.insert(1); 304833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_ids, Not(Each(Lt(2)))); 304933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 305033605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// ::std::map<int, size_t> page_lengths; 305133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[1] = 100; 305233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[2] = 200; 305333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// page_lengths[3] = 300; 305433605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_lengths, Not(Each(Pair(1, 100)))); 305533605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(page_lengths, Each(Key(Le(3)))); 305633605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// 305733605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 305833605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan// EXPECT_THAT(user_ids, Not(Each(Eq(::std::string("tom"))))); 305933605ba45417979cff7254c1196dfee65a7275b3zhanyong.wantemplate <typename M> 306033605ba45417979cff7254c1196dfee65a7275b3zhanyong.waninline internal::EachMatcher<M> Each(M matcher) { 306133605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan return internal::EachMatcher<M>(matcher); 306233605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan} 306333605ba45417979cff7254c1196dfee65a7275b3zhanyong.wan 3064b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 3065b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 3066b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 3067b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 3068b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.waninline internal::KeyMatcher<M> Key(M inner_matcher) { 3069b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return internal::KeyMatcher<M>(inner_matcher); 3070b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan} 3071b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 3072f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Pair(first_matcher, second_matcher) matches a std::pair whose 'first' field 3073f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// matches first_matcher and whose 'second' field matches second_matcher. For 3074f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// example, EXPECT_THAT(map_type, ElementsAre(Pair(Ge(5), "foo"))) can be used 3075f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// to match a std::map<int, string> that contains exactly one element whose key 3076f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// is >= 5 and whose value equals "foo". 3077f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 3078f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.waninline internal::PairMatcher<FirstMatcher, SecondMatcher> 3079f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanPair(FirstMatcher first_matcher, SecondMatcher second_matcher) { 3080f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return internal::PairMatcher<FirstMatcher, SecondMatcher>( 3081f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher, second_matcher); 3082f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan} 3083f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 3084e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a predicate that is satisfied by anything that matches the 3085e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matcher. 3086e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 3087e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::MatcherAsPredicate<M> Matches(M matcher) { 3088e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherAsPredicate<M>(matcher); 3089e35fdd936d133bf8a48de140a3c666897588a05shiqian} 3090e35fdd936d133bf8a48de140a3c666897588a05shiqian 3091b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Returns true iff the value matches the matcher. 3092b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename T, typename M> 3093b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline bool Value(const T& value, M matcher) { 3094b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return testing::Matches(matcher)(value); 3095b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 3096b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 309734b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// Matches the value against the given matcher and explains the match 309834b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// result to listener. 309934b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wantemplate <typename T, typename M> 3100a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.waninline bool ExplainMatchResult( 310134b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan M matcher, const T& value, MatchResultListener* listener) { 310234b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan return SafeMatcherCast<const T&>(matcher).MatchAndExplain(value, listener); 310334b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan} 310434b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan 3105bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// AllArgs(m) is a synonym of m. This is useful in 3106bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3107bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(AllArgs(Eq())); 3108bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3109bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// which is easier to read than 3110bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 3111bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(Eq()); 3112bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wantemplate <typename InnerMatcher> 3113bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.waninline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; } 3114bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan 3115e35fdd936d133bf8a48de140a3c666897588a05shiqian// These macros allow using matchers to check values in Google Test 3116e35fdd936d133bf8a48de140a3c666897588a05shiqian// tests. ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher) 3117e35fdd936d133bf8a48de140a3c666897588a05shiqian// succeed iff the value matches the matcher. If the assertion fails, 3118e35fdd936d133bf8a48de140a3c666897588a05shiqian// the value and the description of the matcher will be printed. 3119e35fdd936d133bf8a48de140a3c666897588a05shiqian#define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\ 3120e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 3121e35fdd936d133bf8a48de140a3c666897588a05shiqian#define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\ 3122e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 3123e35fdd936d133bf8a48de140a3c666897588a05shiqian 3124e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace testing 3125e35fdd936d133bf8a48de140a3c666897588a05shiqian 3126e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 3127