gmock-matchers.h revision b1c7f93c52d7fbf484f34d01a65cfaec03786564
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> 46e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <vector> 47e35fdd936d133bf8a48de140a3c666897588a05shiqian 48e35fdd936d133bf8a48de140a3c666897588a05shiqian#include <gmock/gmock-printers.h> 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. 42295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_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. 42695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_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. 43195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(T)) RawT; 43295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(U)) RawU; 43395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther; 43495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther; 43595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_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. 569e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan GMOCK_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 " "; \ 706e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Rhs>::Print(rhs_, os); \ 707e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 708e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 709b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << negated_relation " "; \ 710e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Rhs>::Print(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 } 914e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(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 "; 951e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(substring_, os); 952e35fdd936d133bf8a48de140a3c666897588a05shiqian } 953e35fdd936d133bf8a48de140a3c666897588a05shiqian 954e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 955e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has no substring "; 956e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(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 "; 992e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(prefix_, os); 993e35fdd936d133bf8a48de140a3c666897588a05shiqian } 994e35fdd936d133bf8a48de140a3c666897588a05shiqian 995e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 996e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't start with "; 997e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(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 "; 1032e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(suffix_, os); 1033e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1034e35fdd936d133bf8a48de140a3c666897588a05shiqian 1035e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1036e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't end with "; 1037e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(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. 10992661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON2_MATCHER_(name, op) \ 1100e35fdd936d133bf8a48de140a3c666897588a05shiqian class name##2Matcher { \ 1101e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1102e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 1103e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const ::std::tr1::tuple<T1, T2>&>() const { \ 1104e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<T1, T2>); \ 1105e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1106e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 1107e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 1108e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<const ::std::tr1::tuple<T1, T2>&> { \ 1109e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 1110821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain( \ 1111821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const ::std::tr1::tuple<T1, T2>& args, \ 1112821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { \ 1113e35fdd936d133bf8a48de140a3c666897588a05shiqian return ::std::tr1::get<0>(args) op ::std::tr1::get<1>(args); \ 1114e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1115e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 11162661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan *os << "are a pair (x, y) where x " #op " y"; \ 1117e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1118e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 11192661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan *os << "are a pair (x, y) where x " #op " y is false"; \ 1120e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 1121e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 1122e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1123e35fdd936d133bf8a48de140a3c666897588a05shiqian 1124e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(), Ge(), Gt(), Le(), Lt(), and Ne() respectively. 11252661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Eq, ==); 11262661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ge, >=); 11272661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Gt, >); 11282661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Le, <=); 11292661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Lt, <); 11302661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ne, !=); 1131e35fdd936d133bf8a48de140a3c666897588a05shiqian 1132e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON2_MATCHER_ 1133e35fdd936d133bf8a48de140a3c666897588a05shiqian 1134c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the Not(...) matcher for a particular argument type T. 1135c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// We do not nest it inside the NotMatcher class template, as that 1136c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// will prevent different instantiations of NotMatcher from sharing 1137c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// the same NotMatcherImpl<T> class. 1138c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1139c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass NotMatcherImpl : public MatcherInterface<T> { 1140c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1141c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan explicit NotMatcherImpl(const Matcher<T>& matcher) 1142c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher_(matcher) {} 1143c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1144821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1145821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return !matcher_.MatchAndExplain(x, listener); 1146c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1147c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1148c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1149c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeNegationTo(os); 1150c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1151c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1152c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1153c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeTo(os); 1154c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1155c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1156c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1157c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher_; 115832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 115932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcherImpl); 1160c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1161c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1162e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Not(m) matcher, which matches a value that doesn't 1163e35fdd936d133bf8a48de140a3c666897588a05shiqian// match matcher m. 1164e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1165e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotMatcher { 1166e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1167e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit NotMatcher(InnerMatcher matcher) : matcher_(matcher) {} 1168e35fdd936d133bf8a48de140a3c666897588a05shiqian 1169e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows Not(m) to be used 1170e35fdd936d133bf8a48de140a3c666897588a05shiqian // to match any type m can match. 1171e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1172e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1173c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new NotMatcherImpl<T>(SafeMatcherCast<T>(matcher_))); 1174e35fdd936d133bf8a48de140a3c666897588a05shiqian } 117532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1176e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1177c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan InnerMatcher matcher_; 117832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 117932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(NotMatcher); 1180c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1181e35fdd936d133bf8a48de140a3c666897588a05shiqian 1182c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AllOf(m1, m2) matcher for a particular argument type 1183c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the BothOfMatcher class template, as 1184c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of BothOfMatcher from 1185c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same BothOfMatcherImpl<T> class. 1186c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1187c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass BothOfMatcherImpl : public MatcherInterface<T> { 1188c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1189c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan BothOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1190c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1191e35fdd936d133bf8a48de140a3c666897588a05shiqian 1192c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1193c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1194c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1195c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") and ("; 1196c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1197c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1198c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1199e35fdd936d133bf8a48de140a3c666897588a05shiqian 1200c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1201b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1202b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1203b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") or ("; 1204b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1205b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1206c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1207e35fdd936d133bf8a48de140a3c666897588a05shiqian 1208821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1209821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ doesn't match x, we only need 1210821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // to explain why one of them fails. 1211821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1212821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher1_.MatchAndExplain(x, &listener1)) { 1213821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1214821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1215821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1216c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1217821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1218821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!matcher2_.MatchAndExplain(x, &listener2)) { 1219821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1220821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1221821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1222c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1223821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them match. 1224821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1225821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1226821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1227821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1228821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1229c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1230821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1231821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1232b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1233c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1234c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1235821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1236c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 123732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1238c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1239c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1240c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 124132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 124232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcherImpl); 1243e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1244e35fdd936d133bf8a48de140a3c666897588a05shiqian 1245e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AllOf(m_1, ..., m_n) matcher, which 1246e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches all of the matchers m_1, ..., and m_n. 1247e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1248e35fdd936d133bf8a48de140a3c666897588a05shiqianclass BothOfMatcher { 1249e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1250e35fdd936d133bf8a48de140a3c666897588a05shiqian BothOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1251e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1252e35fdd936d133bf8a48de140a3c666897588a05shiqian 1253e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1254e35fdd936d133bf8a48de140a3c666897588a05shiqian // BothOfMatcher<Matcher1, Matcher2> object to match any type that 1255e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1256e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1257e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1258c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new BothOfMatcherImpl<T>(SafeMatcherCast<T>(matcher1_), 1259c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan SafeMatcherCast<T>(matcher2_))); 1260e35fdd936d133bf8a48de140a3c666897588a05shiqian } 126132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1262e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1263c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher1 matcher1_; 1264c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher2 matcher2_; 126532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 126632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(BothOfMatcher); 1267c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1268e35fdd936d133bf8a48de140a3c666897588a05shiqian 1269c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AnyOf(m1, m2) matcher for a particular argument type 1270c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the AnyOfMatcher class template, as 1271c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of AnyOfMatcher from 1272c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same EitherOfMatcherImpl<T> class. 1273c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1274c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass EitherOfMatcherImpl : public MatcherInterface<T> { 1275c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1276c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan EitherOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1277c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1278e35fdd936d133bf8a48de140a3c666897588a05shiqian 1279c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1280c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1281c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1282c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") or ("; 1283c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1284c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1285c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1286e35fdd936d133bf8a48de140a3c666897588a05shiqian 1287c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1288b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "("; 1289b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher1_.DescribeNegationTo(os); 1290b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ") and ("; 1291b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher2_.DescribeNegationTo(os); 1292b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << ")"; 1293c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1294c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1295821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T x, MatchResultListener* listener) const { 1296821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // If either matcher1_ or matcher2_ matches x, we just need to 1297821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explain why *one* of them matches. 1298821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener1; 1299821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher1_.MatchAndExplain(x, &listener1)) { 1300821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener1.str(); 1301821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1302821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1303c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1304821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener2; 1305821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matcher2_.MatchAndExplain(x, &listener2)) { 1306821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << listener2.str(); 1307821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1308821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 1309c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1310821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Otherwise we need to explain why *both* of them fail. 1311821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s1 = listener1.str(); 1312821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string s2 = listener2.str(); 1313821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1314821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s1 == "") { 1315821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s2; 1316821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 1317821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan *listener << s1; 1318821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (s2 != "") { 1319b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ", and " << s2; 1320e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1321e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1322821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1323c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 132432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1325c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1326c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1327c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 132832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 132932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcherImpl); 1330e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1331e35fdd936d133bf8a48de140a3c666897588a05shiqian 1332e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AnyOf(m_1, ..., m_n) matcher, which 1333e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches at least one of the matchers m_1, ..., 1334e35fdd936d133bf8a48de140a3c666897588a05shiqian// and m_n. 1335e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1336e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EitherOfMatcher { 1337e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1338e35fdd936d133bf8a48de140a3c666897588a05shiqian EitherOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1339e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1340e35fdd936d133bf8a48de140a3c666897588a05shiqian 1341e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1342e35fdd936d133bf8a48de140a3c666897588a05shiqian // EitherOfMatcher<Matcher1, Matcher2> object to match any type that 1343e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1344e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1345e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 134616cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan return Matcher<T>(new EitherOfMatcherImpl<T>( 134716cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan SafeMatcherCast<T>(matcher1_), SafeMatcherCast<T>(matcher2_))); 1348e35fdd936d133bf8a48de140a3c666897588a05shiqian } 134932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1350e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1351e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher1 matcher1_; 1352e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher2 matcher2_; 135332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 135432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(EitherOfMatcher); 1355e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1356e35fdd936d133bf8a48de140a3c666897588a05shiqian 1357e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Truly(pred), which turns a predicate into a 1358e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher. 1359e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 1360e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TrulyMatcher { 1361e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1362e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit TrulyMatcher(Predicate pred) : predicate_(pred) {} 1363e35fdd936d133bf8a48de140a3c666897588a05shiqian 1364e35fdd936d133bf8a48de140a3c666897588a05shiqian // This method template allows Truly(pred) to be used as a matcher 1365e35fdd936d133bf8a48de140a3c666897588a05shiqian // for type T where T is the argument type of predicate 'pred'. The 1366e35fdd936d133bf8a48de140a3c666897588a05shiqian // argument is passed by reference as the predicate may be 1367e35fdd936d133bf8a48de140a3c666897588a05shiqian // interested in the address of the argument. 1368e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1369db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(T& x, // NOLINT 1370db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* /* listener */) const { 1371652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1372e35fdd936d133bf8a48de140a3c666897588a05shiqian // MSVC warns about converting a value into bool (warning 4800). 1373e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(push) // Saves the current warning state. 1374e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(disable:4800) // Temporarily disables warning 4800. 1375e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1376e35fdd936d133bf8a48de140a3c666897588a05shiqian return predicate_(x); 1377652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1378e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(pop) // Restores the warning state. 1379e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1380e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1381e35fdd936d133bf8a48de140a3c666897588a05shiqian 1382e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1383e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "satisfies the given predicate"; 1384e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1385e35fdd936d133bf8a48de140a3c666897588a05shiqian 1386e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1387e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't satisfy the given predicate"; 1388e35fdd936d133bf8a48de140a3c666897588a05shiqian } 138932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1390e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1391e35fdd936d133bf8a48de140a3c666897588a05shiqian Predicate predicate_; 139232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 139332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(TrulyMatcher); 1394e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1395e35fdd936d133bf8a48de140a3c666897588a05shiqian 1396e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Matches(matcher), which turns a matcher into 1397e35fdd936d133bf8a48de140a3c666897588a05shiqian// a predicate. 1398e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1399e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherAsPredicate { 1400e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1401e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherAsPredicate(M matcher) : matcher_(matcher) {} 1402e35fdd936d133bf8a48de140a3c666897588a05shiqian 1403e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template operator() allows Matches(m) to be used as a 1404e35fdd936d133bf8a48de140a3c666897588a05shiqian // predicate on type T where m is a matcher on type T. 1405e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1406e35fdd936d133bf8a48de140a3c666897588a05shiqian // The argument x is passed by reference instead of by value, as 1407e35fdd936d133bf8a48de140a3c666897588a05shiqian // some matcher may be interested in its address (e.g. as in 1408e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matches(Ref(n))(x)). 1409e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1410e35fdd936d133bf8a48de140a3c666897588a05shiqian bool operator()(const T& x) const { 1411e35fdd936d133bf8a48de140a3c666897588a05shiqian // We let matcher_ commit to a particular type here instead of 1412e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the MatcherAsPredicate object was constructed. This 1413e35fdd936d133bf8a48de140a3c666897588a05shiqian // allows us to write Matches(m) where m is a polymorphic matcher 1414e35fdd936d133bf8a48de140a3c666897588a05shiqian // (e.g. Eq(5)). 1415e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1416e35fdd936d133bf8a48de140a3c666897588a05shiqian // If we write Matcher<T>(matcher_).Matches(x) here, it won't 1417e35fdd936d133bf8a48de140a3c666897588a05shiqian // compile when matcher_ has type Matcher<const T&>; if we write 1418e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_).Matches(x) here, it won't compile 1419e35fdd936d133bf8a48de140a3c666897588a05shiqian // when matcher_ has type Matcher<T>; if we just write 1420e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_.Matches(x), it won't compile when matcher_ is 1421e35fdd936d133bf8a48de140a3c666897588a05shiqian // polymorphic, e.g. Eq(5). 1422e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1423e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherCast<const T&>() is necessary for making the code work 1424e35fdd936d133bf8a48de140a3c666897588a05shiqian // in all of the above situations. 1425e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatcherCast<const T&>(matcher_).Matches(x); 1426e35fdd936d133bf8a48de140a3c666897588a05shiqian } 142732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1428e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1429e35fdd936d133bf8a48de140a3c666897588a05shiqian M matcher_; 143032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 143132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(MatcherAsPredicate); 1432e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1433e35fdd936d133bf8a48de140a3c666897588a05shiqian 1434e35fdd936d133bf8a48de140a3c666897588a05shiqian// For implementing ASSERT_THAT() and EXPECT_THAT(). The template 1435e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument M must be a type that can be converted to a matcher. 1436e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1437e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PredicateFormatterFromMatcher { 1438e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1439e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PredicateFormatterFromMatcher(const M& m) : matcher_(m) {} 1440e35fdd936d133bf8a48de140a3c666897588a05shiqian 1441e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template () operator allows a PredicateFormatterFromMatcher 1442e35fdd936d133bf8a48de140a3c666897588a05shiqian // object to act as a predicate-formatter suitable for using with 1443e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Test's EXPECT_PRED_FORMAT1() macro. 1444e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1445e35fdd936d133bf8a48de140a3c666897588a05shiqian AssertionResult operator()(const char* value_text, const T& x) const { 1446e35fdd936d133bf8a48de140a3c666897588a05shiqian // We convert matcher_ to a Matcher<const T&> *now* instead of 1447e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the PredicateFormatterFromMatcher object was constructed, 1448e35fdd936d133bf8a48de140a3c666897588a05shiqian // as matcher_ may be polymorphic (e.g. NotNull()) and we won't 1449e35fdd936d133bf8a48de140a3c666897588a05shiqian // know which type to instantiate it to until we actually see the 1450e35fdd936d133bf8a48de140a3c666897588a05shiqian // type of x here. 1451e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1452e35fdd936d133bf8a48de140a3c666897588a05shiqian // We write MatcherCast<const T&>(matcher_) instead of 1453e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_), as the latter won't compile when 1454e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_ has type Matcher<T> (e.g. An<int>()). 1455e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const T&> matcher = MatcherCast<const T&>(matcher_); 1456821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener listener; 1457b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (MatchPrintAndExplain(x, matcher, &listener)) 1458e35fdd936d133bf8a48de140a3c666897588a05shiqian return AssertionSuccess(); 1459b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan 1460b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ::std::stringstream ss; 1461b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "Value of: " << value_text << "\n" 1462b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << "Expected: "; 1463b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan matcher.DescribeTo(&ss); 1464b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan ss << "\n Actual: " << listener.str(); 1465b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return AssertionFailure() << ss.str(); 1466e35fdd936d133bf8a48de140a3c666897588a05shiqian } 146732de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1468e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1469e35fdd936d133bf8a48de140a3c666897588a05shiqian const M matcher_; 147032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 147132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PredicateFormatterFromMatcher); 1472e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1473e35fdd936d133bf8a48de140a3c666897588a05shiqian 1474e35fdd936d133bf8a48de140a3c666897588a05shiqian// A helper function for converting a matcher to a predicate-formatter 1475e35fdd936d133bf8a48de140a3c666897588a05shiqian// without the user needing to explicitly write the type. This is 1476e35fdd936d133bf8a48de140a3c666897588a05shiqian// used for implementing ASSERT_THAT() and EXPECT_THAT(). 1477e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1478e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PredicateFormatterFromMatcher<M> 1479e35fdd936d133bf8a48de140a3c666897588a05shiqianMakePredicateFormatterFromMatcher(const M& matcher) { 1480e35fdd936d133bf8a48de140a3c666897588a05shiqian return PredicateFormatterFromMatcher<M>(matcher); 1481e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1482e35fdd936d133bf8a48de140a3c666897588a05shiqian 1483e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic floating point equality matcher, which 1484e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches two float values using ULP-based approximation. The 1485e35fdd936d133bf8a48de140a3c666897588a05shiqian// template is meant to be instantiated with FloatType being either 1486e35fdd936d133bf8a48de140a3c666897588a05shiqian// float or double. 1487e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename FloatType> 1488e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FloatingEqMatcher { 1489e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1490e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructor for FloatingEqMatcher. 1491e35fdd936d133bf8a48de140a3c666897588a05shiqian // The matcher's input will be compared with rhs. The matcher treats two 1492e35fdd936d133bf8a48de140a3c666897588a05shiqian // NANs as equal if nan_eq_nan is true. Otherwise, under IEEE standards, 1493e35fdd936d133bf8a48de140a3c666897588a05shiqian // equality comparisons between NANs will always return false. 1494e35fdd936d133bf8a48de140a3c666897588a05shiqian FloatingEqMatcher(FloatType rhs, bool nan_eq_nan) : 1495e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1496e35fdd936d133bf8a48de140a3c666897588a05shiqian 1497e35fdd936d133bf8a48de140a3c666897588a05shiqian // Implements floating point equality matcher as a Matcher<T>. 1498e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1499e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1500e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1501e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(FloatType rhs, bool nan_eq_nan) : 1502e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1503e35fdd936d133bf8a48de140a3c666897588a05shiqian 1504821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T value, 1505821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* /* listener */) const { 1506e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatingPoint<FloatType> lhs(value), rhs(rhs_); 1507e35fdd936d133bf8a48de140a3c666897588a05shiqian 1508e35fdd936d133bf8a48de140a3c666897588a05shiqian // Compares NaNs first, if nan_eq_nan_ is true. 1509e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_ && lhs.is_nan()) { 1510e35fdd936d133bf8a48de140a3c666897588a05shiqian return rhs.is_nan(); 1511e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1512e35fdd936d133bf8a48de140a3c666897588a05shiqian 1513e35fdd936d133bf8a48de140a3c666897588a05shiqian return lhs.AlmostEquals(rhs); 1514e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1515e35fdd936d133bf8a48de140a3c666897588a05shiqian 1516e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1517e35fdd936d133bf8a48de140a3c666897588a05shiqian // os->precision() returns the previously set precision, which we 1518e35fdd936d133bf8a48de140a3c666897588a05shiqian // store to restore the ostream to its original configuration 1519e35fdd936d133bf8a48de140a3c666897588a05shiqian // after outputting. 1520e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1521e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1522e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1523e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1524e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NaN"; 1525e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1526e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 1527e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1528e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1529e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is approximately " << rhs_; 1530e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1531e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1532e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1533e35fdd936d133bf8a48de140a3c666897588a05shiqian 1534e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1535e35fdd936d133bf8a48de140a3c666897588a05shiqian // As before, get original precision. 1536e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1537e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1538e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1539e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1540b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't NaN"; 1541e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1542e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is anything"; 1543e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1544e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1545b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't approximately " << rhs_; 1546e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1547e35fdd936d133bf8a48de140a3c666897588a05shiqian // Restore original precision. 1548e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1549e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1550e35fdd936d133bf8a48de140a3c666897588a05shiqian 1551e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1552e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1553e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 155432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 155532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1556e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1557e35fdd936d133bf8a48de140a3c666897588a05shiqian 1558e35fdd936d133bf8a48de140a3c666897588a05shiqian // The following 3 type conversion operators allow FloatEq(rhs) and 1559e35fdd936d133bf8a48de140a3c666897588a05shiqian // NanSensitiveFloatEq(rhs) to be used as a Matcher<float>, a 1560e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const float&>, or a Matcher<float&>, but nothing else. 1561e35fdd936d133bf8a48de140a3c666897588a05shiqian // (While Google's C++ coding style doesn't allow arguments passed 1562e35fdd936d133bf8a48de140a3c666897588a05shiqian // by non-const reference, we may see them in code not conforming to 1563e35fdd936d133bf8a48de140a3c666897588a05shiqian // the style. Therefore Google Mock needs to support them.) 1564e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType>() const { 1565e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType>(rhs_, nan_eq_nan_)); 1566e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1567e35fdd936d133bf8a48de140a3c666897588a05shiqian 1568e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const FloatType&>() const { 1569e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<const FloatType&>(rhs_, nan_eq_nan_)); 1570e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1571e35fdd936d133bf8a48de140a3c666897588a05shiqian 1572e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType&>() const { 1573e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType&>(rhs_, nan_eq_nan_)); 1574e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1575e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1576e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1577e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 157832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 157932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FloatingEqMatcher); 1580e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1581e35fdd936d133bf8a48de140a3c666897588a05shiqian 1582e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Pointee(m) matcher for matching a pointer whose 1583e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointee matches matcher m. The pointer can be either raw or smart. 1584e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1585e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PointeeMatcher { 1586e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1587e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PointeeMatcher(const InnerMatcher& matcher) : matcher_(matcher) {} 1588e35fdd936d133bf8a48de140a3c666897588a05shiqian 1589e35fdd936d133bf8a48de140a3c666897588a05shiqian // This type conversion operator template allows Pointee(m) to be 1590e35fdd936d133bf8a48de140a3c666897588a05shiqian // used as a matcher for any pointer type whose pointee type is 1591e35fdd936d133bf8a48de140a3c666897588a05shiqian // compatible with the inner matcher, where type Pointer can be 1592e35fdd936d133bf8a48de140a3c666897588a05shiqian // either a raw pointer or a smart pointer. 1593e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1594e35fdd936d133bf8a48de140a3c666897588a05shiqian // The reason we do this instead of relying on 1595e35fdd936d133bf8a48de140a3c666897588a05shiqian // MakePolymorphicMatcher() is that the latter is not flexible 1596e35fdd936d133bf8a48de140a3c666897588a05shiqian // enough for implementing the DescribeTo() method of Pointee(). 1597e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1598e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Pointer>() const { 1599e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Pointer>(matcher_)); 1600e35fdd936d133bf8a48de140a3c666897588a05shiqian } 160132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1602e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1603e35fdd936d133bf8a48de140a3c666897588a05shiqian // The monomorphic implementation that works for a particular pointer type. 1604e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1605e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Pointer> { 1606e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1607e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan typedef typename PointeeOf<GMOCK_REMOVE_CONST_( // NOLINT 1608e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan GMOCK_REMOVE_REFERENCE_(Pointer))>::type Pointee; 1609e35fdd936d133bf8a48de140a3c666897588a05shiqian 1610e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const InnerMatcher& matcher) 1611e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher_(MatcherCast<const Pointee&>(matcher)) {} 1612e35fdd936d133bf8a48de140a3c666897588a05shiqian 1613e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1614e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "points to a value that "; 1615e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1616e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1617e35fdd936d133bf8a48de140a3c666897588a05shiqian 1618e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1619e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not point to a value that "; 1620e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1621e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1622e35fdd936d133bf8a48de140a3c666897588a05shiqian 1623821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Pointer pointer, 1624821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 1625e35fdd936d133bf8a48de140a3c666897588a05shiqian if (GetRawPointer(pointer) == NULL) 1626821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1627e35fdd936d133bf8a48de140a3c666897588a05shiqian 1628676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to "; 1629676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(*pointer, matcher_, listener); 1630e35fdd936d133bf8a48de140a3c666897588a05shiqian } 163132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1632e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1633e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const Pointee&> matcher_; 163432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 163532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1636e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1637e35fdd936d133bf8a48de140a3c666897588a05shiqian 1638e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher matcher_; 163932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 164032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PointeeMatcher); 1641e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1642e35fdd936d133bf8a48de140a3c666897588a05shiqian 1643e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Field() matcher for matching a field (i.e. member 1644e35fdd936d133bf8a48de140a3c666897588a05shiqian// variable) of an object. 1645e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType> 1646e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FieldMatcher { 1647e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1648e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldMatcher(FieldType Class::*field, 1649e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&>& matcher) 1650e35fdd936d133bf8a48de140a3c666897588a05shiqian : field_(field), matcher_(matcher) {} 1651e35fdd936d133bf8a48de140a3c666897588a05shiqian 1652e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1653676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1654e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1655e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1656e35fdd936d133bf8a48de140a3c666897588a05shiqian 1657e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1658676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given field "; 1659e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1660e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1661e35fdd936d133bf8a48de140a3c666897588a05shiqian 1662db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1663db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T& value, MatchResultListener* listener) const { 1664db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1665db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 1666db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan is_pointer<GMOCK_REMOVE_CONST_(T)>::type(), 1667db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1668db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1669db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1670db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1671db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 167218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 167318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Field() matcher is used to match a pointer. 1674db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1675db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1676676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given field is "; 1677676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(obj.*field_, matcher_, listener); 1678e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1679e35fdd936d133bf8a48de140a3c666897588a05shiqian 1680db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1681db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1682821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1683821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1684821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1685676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1686821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a field, it must be a class/struct/union type and 1687821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // thus cannot be a pointer. Therefore we pass false_type() as 1688821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // the first argument. 1689db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1690e35fdd936d133bf8a48de140a3c666897588a05shiqian } 169132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1692e35fdd936d133bf8a48de140a3c666897588a05shiqian const FieldType Class::*field_; 1693e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&> matcher_; 169432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 169532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(FieldMatcher); 1696e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1697e35fdd936d133bf8a48de140a3c666897588a05shiqian 1698e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Property() matcher for matching a property 1699e35fdd936d133bf8a48de140a3c666897588a05shiqian// (i.e. return value of a getter method) of an object. 1700e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType> 1701e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PropertyMatcher { 1702e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1703e35fdd936d133bf8a48de140a3c666897588a05shiqian // The property may have a reference type, so 'const PropertyType&' 1704e35fdd936d133bf8a48de140a3c666897588a05shiqian // may cause double references and fail to compile. That's why we 1705e35fdd936d133bf8a48de140a3c666897588a05shiqian // need GMOCK_REFERENCE_TO_CONST, which works regardless of 1706e35fdd936d133bf8a48de140a3c666897588a05shiqian // PropertyType being a reference or not. 1707e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan typedef GMOCK_REFERENCE_TO_CONST_(PropertyType) RefToConstProperty; 1708e35fdd936d133bf8a48de140a3c666897588a05shiqian 1709e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyMatcher(PropertyType (Class::*property)() const, 1710e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty>& matcher) 1711e35fdd936d133bf8a48de140a3c666897588a05shiqian : property_(property), matcher_(matcher) {} 1712e35fdd936d133bf8a48de140a3c666897588a05shiqian 1713e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1714676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1715e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1716e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1717e35fdd936d133bf8a48de140a3c666897588a05shiqian 1718e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1719676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is an object whose given property "; 1720e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1721e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1722e35fdd936d133bf8a48de140a3c666897588a05shiqian 1723db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan template <typename T> 1724db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplain(const T&value, MatchResultListener* listener) const { 1725db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl( 1726db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan typename ::testing::internal:: 1727db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan is_pointer<GMOCK_REMOVE_CONST_(T)>::type(), 1728db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan value, listener); 1729db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan } 1730db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan 1731db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan private: 1732db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan // The first argument of MatchAndExplainImpl() is needed to help 173318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 173418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Property() matcher is used to match a pointer. 1735db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(false_type /* is_not_pointer */, const Class& obj, 1736db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1737676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose given property is "; 1738676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to MatchPrintAndExplain, 1739676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // which takes a non-const reference as argument. 1740676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan RefToConstProperty result = (obj.*property_)(); 1741676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1742e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1743e35fdd936d133bf8a48de140a3c666897588a05shiqian 1744db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan bool MatchAndExplainImpl(true_type /* is_pointer */, const Class* p, 1745db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan MatchResultListener* listener) const { 1746821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (p == NULL) 1747821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1748821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 1749676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which points to an object "; 1750821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Since *p has a property method, it must be a class/struct/union 1751821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // type and thus cannot be a pointer. Therefore we pass 1752821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // false_type() as the first argument. 1753db22c227826b82e1ad05d6c47facfef73c99e057zhanyong.wan return MatchAndExplainImpl(false_type(), *p, listener); 1754e35fdd936d133bf8a48de140a3c666897588a05shiqian } 175532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1756e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property_)() const; 1757e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty> matcher_; 175832de5f53763125925e078498250f7e73a88de9edzhanyong.wan 175932de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PropertyMatcher); 1760e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1761e35fdd936d133bf8a48de140a3c666897588a05shiqian 1762e35fdd936d133bf8a48de140a3c666897588a05shiqian// Type traits specifying various features of different functors for ResultOf. 1763e35fdd936d133bf8a48de140a3c666897588a05shiqian// The default template specifies features for functor objects. 1764e35fdd936d133bf8a48de140a3c666897588a05shiqian// Functor classes have to typedef argument_type and result_type 1765e35fdd936d133bf8a48de140a3c666897588a05shiqian// to be compatible with ResultOf. 1766e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Functor> 1767e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits { 1768e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename Functor::result_type ResultType; 1769e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef Functor StorageType; 1770e35fdd936d133bf8a48de140a3c666897588a05shiqian 177132de5f53763125925e078498250f7e73a88de9edzhanyong.wan static void CheckIsValid(Functor /* functor */) {} 1772e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1773e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResultType Invoke(Functor f, T arg) { return f(arg); } 1774e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1775e35fdd936d133bf8a48de140a3c666897588a05shiqian 1776e35fdd936d133bf8a48de140a3c666897588a05shiqian// Specialization for function pointers. 1777e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename ArgType, typename ResType> 1778e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits<ResType(*)(ArgType)> { 1779e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType ResultType; 1780e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType(*StorageType)(ArgType); 1781e35fdd936d133bf8a48de140a3c666897588a05shiqian 1782e35fdd936d133bf8a48de140a3c666897588a05shiqian static void CheckIsValid(ResType(*f)(ArgType)) { 1783f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan GTEST_CHECK_(f != NULL) 1784e35fdd936d133bf8a48de140a3c666897588a05shiqian << "NULL function pointer is passed into ResultOf()."; 1785e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1786e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1787e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResType Invoke(ResType(*f)(ArgType), T arg) { 1788e35fdd936d133bf8a48de140a3c666897588a05shiqian return (*f)(arg); 1789e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1790e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1791e35fdd936d133bf8a48de140a3c666897588a05shiqian 1792e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the ResultOf() matcher for matching a return value of a 1793e35fdd936d133bf8a48de140a3c666897588a05shiqian// unary function of an object. 1794e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable> 1795e35fdd936d133bf8a48de140a3c666897588a05shiqianclass ResultOfMatcher { 1796e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1797e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::ResultType ResultType; 1798e35fdd936d133bf8a48de140a3c666897588a05shiqian 1799e35fdd936d133bf8a48de140a3c666897588a05shiqian ResultOfMatcher(Callable callable, const Matcher<ResultType>& matcher) 1800e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) { 1801e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::CheckIsValid(callable_); 1802e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1803e35fdd936d133bf8a48de140a3c666897588a05shiqian 1804e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1805e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1806e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl<T>(callable_, matcher_)); 1807e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1808e35fdd936d133bf8a48de140a3c666897588a05shiqian 1809e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1810e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::StorageType CallableStorageType; 1811e35fdd936d133bf8a48de140a3c666897588a05shiqian 1812e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1813e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1814e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1815e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(CallableStorageType callable, const Matcher<ResultType>& matcher) 1816e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) {} 1817e35fdd936d133bf8a48de140a3c666897588a05shiqian 1818e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1819676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1820e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1821e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1822e35fdd936d133bf8a48de140a3c666897588a05shiqian 1823e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1824676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *os << "is mapped by the given callable to a value that "; 1825e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1826e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1827e35fdd936d133bf8a48de140a3c666897588a05shiqian 1828821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(T obj, MatchResultListener* listener) const { 1829676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "which is mapped by the given callable to "; 1830676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // Cannot pass the return value (for example, int) to 1831676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // MatchPrintAndExplain, which takes a non-const reference as argument. 1832676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ResultType result = 1833676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan CallableTraits<Callable>::template Invoke<T>(callable_, obj); 1834676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return MatchPrintAndExplain(result, matcher_, listener); 1835e35fdd936d133bf8a48de140a3c666897588a05shiqian } 183632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 1837e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1838e35fdd936d133bf8a48de140a3c666897588a05shiqian // Functors often define operator() as non-const method even though 1839e35fdd936d133bf8a48de140a3c666897588a05shiqian // they are actualy stateless. But we need to use them even when 1840e35fdd936d133bf8a48de140a3c666897588a05shiqian // 'this' is a const pointer. It's the user's responsibility not to 1841e35fdd936d133bf8a48de140a3c666897588a05shiqian // use stateful callables with ResultOf(), which does't guarantee 1842e35fdd936d133bf8a48de140a3c666897588a05shiqian // how many times the callable will be invoked. 1843e35fdd936d133bf8a48de140a3c666897588a05shiqian mutable CallableStorageType callable_; 1844e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 184532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 184632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(Impl); 1847e35fdd936d133bf8a48de140a3c666897588a05shiqian }; // class Impl 1848e35fdd936d133bf8a48de140a3c666897588a05shiqian 1849e35fdd936d133bf8a48de140a3c666897588a05shiqian const CallableStorageType callable_; 1850e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 185132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 185232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ResultOfMatcher); 1853e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1854e35fdd936d133bf8a48de140a3c666897588a05shiqian 18556a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Implements an equality matcher for any STL-style container whose elements 18566a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// support ==. This matcher is like Eq(), but its failure explanations provide 18576a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// more detailed information that is useful when the container is used as a set. 18586a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// The failure message reports elements that are in one of the operands but not 18596a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// the other. The failure messages do not report duplicate or out-of-order 18606a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// elements in the containers (which don't properly matter to sets, but can 18616a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// occur if the containers are vectors or lists, for example). 18626a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// 18636a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Uses the container's const_iterator, value_type, operator ==, 18646a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// begin(), and end(). 18656a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 18666a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wanclass ContainerEqMatcher { 18676a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan public: 1868b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<Container> View; 1869b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1870b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1871b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1872b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // We make a copy of rhs in case the elements in it are modified 1873b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // after this matcher is created. 1874b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainerEqMatcher(const Container& rhs) : rhs_(View::Copy(rhs)) { 1875b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Makes sure the user doesn't instantiate this class template 1876b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // with a const or reference type. 1877b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan testing::StaticAssertTypeEq<Container, 1878b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container))>(); 1879b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1880b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 18816a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeTo(::std::ostream* os) const { 18826a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "equals "; 1883b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<StlContainer>::Print(rhs_, os); 18846a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18856a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 18866a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "does not equal "; 1887b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<StlContainer>::Print(rhs_, os); 18886a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18896a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1890b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename LhsContainer> 1891e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool MatchAndExplain(const LhsContainer& lhs, 1892e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan MatchResultListener* listener) const { 1893b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // GMOCK_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug 1894b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // that causes LhsContainer to be a const type sometimes. 1895b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<GMOCK_REMOVE_CONST_(LhsContainer)> 1896b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan LhsView; 1897b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename LhsView::type LhsStlContainer; 1898b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 1899e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (lhs_stl_container == rhs_) 1900e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return true; 1901b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1902e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan ::std::ostream* const os = listener->stream(); 1903e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (os != NULL) { 1904b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Something is different. Check for extra values first. 1905e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header = false; 1906e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename LhsStlContainer::const_iterator it = 1907e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(); 1908e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != lhs_stl_container.end(); ++it) { 1909e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) == 1910e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan rhs_.end()) { 1911e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header) { 1912e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 1913e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 1914b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "which has these unexpected elements: "; 1915e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header = true; 1916e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 19176953a725fc2151eff18078f8315d92811cd4d90ezhanyong.wan UniversalPrinter<typename LhsStlContainer::value_type>:: 19186953a725fc2151eff18078f8315d92811cd4d90ezhanyong.wan Print(*it, os); 19196a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19206a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19216a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1922b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan // Now check for missing values. 1923e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan bool printed_header2 = false; 1924e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan for (typename StlContainer::const_iterator it = rhs_.begin(); 1925e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan it != rhs_.end(); ++it) { 1926e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (internal::ArrayAwareFind( 1927e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.begin(), lhs_stl_container.end(), *it) == 1928e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan lhs_stl_container.end()) { 1929e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan if (printed_header2) { 1930e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan *os << ", "; 1931e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } else { 1932b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << (printed_header ? ",\nand" : "which") 1933b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan << " doesn't have these expected elements: "; 1934e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan printed_header2 = true; 1935e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan } 1936e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan UniversalPrinter<typename StlContainer::value_type>::Print(*it, os); 19376a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19386a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 19396a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 1940e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan 1941e122e457a6e890faac399c1f86d87cc8d3177ac2zhanyong.wan return false; 19426a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 194332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 19446a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan private: 1945b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const StlContainer rhs_; 194632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 194732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainerEqMatcher); 19486a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan}; 19496a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1950b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements Contains(element_matcher) for the given argument type Container. 1951b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename Container> 1952b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcherImpl : public MatcherInterface<Container> { 1953b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 1954b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) RawContainer; 1955b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef StlContainerView<RawContainer> View; 1956b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1957b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1958b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename StlContainer::value_type Element; 1959b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1960b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename InnerMatcher> 1961b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcherImpl(InnerMatcher inner_matcher) 1962b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan : inner_matcher_( 1963b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan testing::SafeMatcherCast<const Element&>(inner_matcher)) {} 1964b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1965b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what this matcher does. 1966b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1967b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "contains at least one element that "; 1968b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan inner_matcher_.DescribeTo(os); 1969b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1970b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1971b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what the negation of this matcher does. 1972b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1973b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "doesn't contain any element that "; 1974b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan inner_matcher_.DescribeTo(os); 1975b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1976b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1977821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 1978821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 1979b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 1980821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan size_t i = 0; 1981821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (typename StlContainer::const_iterator it = stl_container.begin(); 1982821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan it != stl_container.end(); ++it, ++i) { 1983b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan StringMatchResultListener inner_listener; 1984b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (inner_matcher_.MatchAndExplain(*it, &inner_listener)) { 1985b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " matches"; 1986b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(inner_listener.str(), listener->stream()); 1987821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 1988b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1989b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1990821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 1991b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1992b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1993b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 1994b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const Matcher<const Element&> inner_matcher_; 199532de5f53763125925e078498250f7e73a88de9edzhanyong.wan 199632de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcherImpl); 1997b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 1998b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1999b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements polymorphic Contains(element_matcher). 2000b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 2001b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcher { 2002b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 2003b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcher(M m) : inner_matcher_(m) {} 2004b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2005b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename Container> 2006b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan operator Matcher<Container>() const { 2007b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return MakeMatcher(new ContainsMatcherImpl<Container>(inner_matcher_)); 2008b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 2009b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2010b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 2011b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const M inner_matcher_; 201232de5f53763125925e078498250f7e73a88de9edzhanyong.wan 201332de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ContainsMatcher); 2014b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 2015b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2016b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements Key(inner_matcher) for the given argument pair type. 2017b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 2018b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 2019b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 2020b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename PairType> 2021b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcherImpl : public MatcherInterface<PairType> { 2022b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2023b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(PairType)) RawPairType; 2024b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef typename RawPairType::first_type KeyType; 2025b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2026b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename InnerMatcher> 2027b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcherImpl(InnerMatcher inner_matcher) 2028b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan : inner_matcher_( 2029b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan testing::SafeMatcherCast<const KeyType&>(inner_matcher)) { 2030b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2031b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2032b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Returns true iff 'key_value.first' (the key) matches the inner matcher. 2033821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType key_value, 2034821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2035b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan StringMatchResultListener inner_listener; 2036b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const bool match = inner_matcher_.MatchAndExplain(key_value.first, 2037b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan &inner_listener); 2038b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan const internal::string explanation = inner_listener.str(); 2039b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan if (explanation != "") { 2040b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose first field is a value " << explanation; 2041b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan } 2042b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan return match; 2043b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2044b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2045b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what this matcher does. 2046b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2047b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "has a key that "; 2048b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2049b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2050b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2051b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what the negation of this matcher does. 2052b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2053b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "doesn't have a key that "; 2054b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 2055b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2056b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2057b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2058b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const Matcher<const KeyType&> inner_matcher_; 205932de5f53763125925e078498250f7e73a88de9edzhanyong.wan 206032de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcherImpl); 2061b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2062b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2063b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements polymorphic Key(matcher_for_key). 2064b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 2065b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcher { 2066b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 2067b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcher(M m) : matcher_for_key_(m) {} 2068b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2069b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename PairType> 2070b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan operator Matcher<PairType>() const { 2071b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return MakeMatcher(new KeyMatcherImpl<PairType>(matcher_for_key_)); 2072b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 2073b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2074b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 2075b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const M matcher_for_key_; 207632de5f53763125925e078498250f7e73a88de9edzhanyong.wan 207732de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(KeyMatcher); 2078b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 2079b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2080f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements Pair(first_matcher, second_matcher) for the given argument pair 2081f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// type with its two matchers. See Pair() function below. 2082f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename PairType> 2083f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcherImpl : public MatcherInterface<PairType> { 2084f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2085f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(PairType)) RawPairType; 2086f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::first_type FirstType; 2087f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::second_type SecondType; 2088f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2089f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename FirstMatcher, typename SecondMatcher> 2090f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcherImpl(FirstMatcher first_matcher, SecondMatcher second_matcher) 2091f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_( 2092f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const FirstType&>(first_matcher)), 2093f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_( 2094f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const SecondType&>(second_matcher)) { 2095f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2096f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2097f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what this matcher does. 2098f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 2099f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2100f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeTo(os); 2101f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", and has a second field that "; 2102f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeTo(os); 2103f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2104f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2105f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what the negation of this matcher does. 2106f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 2107f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 2108f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeNegationTo(os); 2109f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", or has a second field that "; 2110f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeNegationTo(os); 2111f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2112f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2113821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Returns true iff 'a_pair.first' matches first_matcher and 'a_pair.second' 2114821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // matches second_matcher. 2115821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(PairType a_pair, 2116821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 2117676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!listener->IsInterested()) { 2118676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // If the listener is not interested, we don't need to construct the 2119676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan // explanation. 2120676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan return first_matcher_.Matches(a_pair.first) && 2121676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan second_matcher_.Matches(a_pair.second); 2122821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2123676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener first_inner_listener; 2124676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!first_matcher_.MatchAndExplain(a_pair.first, 2125676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &first_inner_listener)) { 2126676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose first field does not match"; 2127b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(first_inner_listener.str(), listener->stream()); 2128821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2129f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2130676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan StringMatchResultListener second_inner_listener; 2131676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (!second_matcher_.MatchAndExplain(a_pair.second, 2132676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan &second_inner_listener)) { 2133676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose second field does not match"; 2134b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(second_inner_listener.str(), listener->stream()); 2135821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2136f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2137676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan ExplainSuccess(first_inner_listener.str(), second_inner_listener.str(), 2138676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan listener); 2139821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 2140f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2141f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2142f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2143676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan void ExplainSuccess(const internal::string& first_explanation, 2144676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan const internal::string& second_explanation, 2145676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan MatchResultListener* listener) const { 2146676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "whose both fields match"; 2147676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2148676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", where the first field is a value " << first_explanation; 2149676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2150676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (second_explanation != "") { 2151676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << ", "; 2152676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan if (first_explanation != "") { 2153676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "and "; 2154676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } else { 2155676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "where "; 2156676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2157676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan *listener << "the second field is a value " << second_explanation; 2158676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2159676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan } 2160676e8cc6092853c9dbf1eeab2402be0069d8fb7ezhanyong.wan 2161f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const FirstType&> first_matcher_; 2162f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const SecondType&> second_matcher_; 216332de5f53763125925e078498250f7e73a88de9edzhanyong.wan 216432de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcherImpl); 2165f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2166f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2167f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements polymorphic Pair(first_matcher, second_matcher). 2168f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2169f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcher { 2170f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2171f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcher(FirstMatcher first_matcher, SecondMatcher second_matcher) 2172f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_(first_matcher), second_matcher_(second_matcher) {} 2173f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2174f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename PairType> 2175f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan operator Matcher<PairType> () const { 2176f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return MakeMatcher( 2177f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan new PairMatcherImpl<PairType>( 2178f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_, second_matcher_)); 2179f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2180f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2181f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2182f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const FirstMatcher first_matcher_; 2183f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const SecondMatcher second_matcher_; 218432de5f53763125925e078498250f7e73a88de9edzhanyong.wan 218532de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(PairMatcher); 2186f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2187f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 21881afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() and ElementsAreArray(). 21891afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename Container> 21901afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcherImpl : public MatcherInterface<Container> { 21911afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 21921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) RawContainer; 21931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef internal::StlContainerView<RawContainer> View; 21941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::type StlContainer; 21951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::const_reference StlContainerReference; 21961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename StlContainer::value_type Element; 21971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21981afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Constructs the matcher from a sequence of element values or 21991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // element matchers. 22001afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename InputIter> 220132de5f53763125925e078498250f7e73a88de9edzhanyong.wan ElementsAreMatcherImpl(InputIter first, size_t a_count) { 220232de5f53763125925e078498250f7e73a88de9edzhanyong.wan matchers_.reserve(a_count); 22031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan InputIter it = first; 220432de5f53763125925e078498250f7e73a88de9edzhanyong.wan for (size_t i = 0; i != a_count; ++i, ++it) { 22051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_.push_back(MatcherCast<const Element&>(*it)); 22061afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what this matcher does. 22101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 22111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 22121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "is empty"; 22131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else if (count() == 1) { 22141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has 1 element that "; 22151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[0].DescribeTo(os); 22161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else { 22171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has " << Elements(count()) << " where\n"; 22181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2219b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 22201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeTo(os); 22211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 22221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ",\n"; 22231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what the negation of this matcher does. 22291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 22301afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 2231b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "isn't empty"; 22321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 22331afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2235b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "doesn't have " << Elements(count()) << ", or\n"; 22361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2237b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *os << "element #" << i << " "; 22381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeNegationTo(os); 22391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 22401afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ", or\n"; 22411afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22421afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2245821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan virtual bool MatchAndExplain(Container container, 2246821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan MatchResultListener* listener) const { 22471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 2248821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const size_t actual_count = stl_container.size(); 2249821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != count()) { 2250821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The element count doesn't match. If the container is empty, 2251821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // there's no need to explain anything as Google Mock already 2252821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // prints the empty container. Otherwise we just need to show 2253821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // how many elements there actually are. 2254821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (actual_count != 0) { 2255b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "which has " << Elements(actual_count); 22561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2257821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2258821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 22591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2260821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 2261821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // explanations[i] is the explanation of the element at index i. 2262821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan std::vector<internal::string> explanations(count()); 2263821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 2264821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan StringMatchResultListener s; 2265821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (matchers_[i].MatchAndExplain(*it, &s)) { 2266821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan explanations[i] = s.str(); 2267821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } else { 2268821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // The container has the right size but the i-th element 2269821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // doesn't match its expectation. 2270b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " doesn't match"; 2271b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan PrintIfNotEmpty(s.str(), listener->stream()); 2272821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return false; 2273821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 2274821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan } 22751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2276821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // Every element matches its expectation. We need to explain why 2277821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan // (the obvious ones can be skipped). 2278821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan bool reason_printed = false; 2279821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan for (size_t i = 0; i != count(); ++i) { 2280821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan const internal::string& s = explanations[i]; 2281821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (!s.empty()) { 2282821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan if (reason_printed) { 2283b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << ",\nand "; 22841afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2285b1c7f93c52d7fbf484f34d01a65cfaec03786564zhanyong.wan *listener << "whose element #" << i << " matches, " << s; 2286821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan reason_printed = true; 22871afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22881afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 2289821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan 2290821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return true; 22911afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 22941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan static Message Elements(size_t count) { 22951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return Message() << count << (count == 1 ? " element" : " elements"); 22961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22981afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan size_t count() const { return matchers_.size(); } 22991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan std::vector<Matcher<const Element&> > matchers_; 230032de5f53763125925e078498250f7e73a88de9edzhanyong.wan 230132de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreMatcherImpl); 23021afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 23031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() of 0 arguments. 23051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcher0 { 23061afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 23071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreMatcher0() {} 23081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 23101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 23111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) 23121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan RawContainer; 23131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 23141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 23151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Matcher<const Element&>* const matchers = NULL; 23171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(matchers, 0)); 23181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 23191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 23201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAreArray(). 23221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename T> 23231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreArrayMatcher { 23241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 23251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreArrayMatcher(const T* first, size_t count) : 23261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan first_(first), count_(count) {} 23271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 23291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 23301afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) 23311afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan RawContainer; 23321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 23331afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 23341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23351afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(first_, count_)); 23361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 23371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 23391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const T* const first_; 23401afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const size_t count_; 234132de5f53763125925e078498250f7e73a88de9edzhanyong.wan 234232de5f53763125925e078498250f7e73a88de9edzhanyong.wan GTEST_DISALLOW_ASSIGN_(ElementsAreArrayMatcher); 23431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 23441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23451afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Constants denoting interpolations in a matcher description string. 23461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kTupleInterpolation = -1; // "%(*)s" 23471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kPercentInterpolation = -2; // "%%" 23481afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kInvalidInterpolation = -3; // "%" followed by invalid text 23491afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Records the location and content of an interpolation. 23511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanstruct Interpolation { 23521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Interpolation(const char* start, const char* end, int param) 23531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan : start_pos(start), end_pos(end), param_index(param) {} 23541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Points to the start of the interpolation (the '%' character). 23561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* start_pos; 23571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Points to the first character after the interpolation. 23581afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* end_pos; 23591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // 0-based index of the interpolated matcher parameter; 23601afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // kTupleInterpolation for "%(*)s"; kPercentInterpolation for "%%". 23611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan int param_index; 23621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 23631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23641afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantypedef ::std::vector<Interpolation> Interpolations; 23651afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23661afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Parses a matcher description string and returns a vector of 23671afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// interpolations that appear in the string; generates non-fatal 23681afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// failures iff 'description' is an invalid matcher description. 23691afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// 'param_names' is a NULL-terminated array of parameter names in the 23701afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// order they appear in the MATCHER_P*() parameter list. 23711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanInterpolations ValidateMatcherDescription( 23721afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* param_names[], const char* description); 23731afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 23741afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Returns the actual matcher description, given the matcher name, 23751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// user-supplied description template string, interpolations in the 23761afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// string, and the printed values of the matcher parameters. 23771afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanstring FormatMatcherDescription( 23781afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* matcher_name, const char* description, 23791afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Interpolations& interp, const Strings& param_values); 23801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2381e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 2382e35fdd936d133bf8a48de140a3c666897588a05shiqian 2383e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements MatcherCast(). 2384e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 2385e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MatcherCast(M matcher) { 2386e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherCastImpl<T, M>::Cast(matcher); 2387e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2388e35fdd936d133bf8a48de140a3c666897588a05shiqian 2389e35fdd936d133bf8a48de140a3c666897588a05shiqian// _ is a matcher that matches anything of any type. 2390e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2391e35fdd936d133bf8a48de140a3c666897588a05shiqian// This definition is fine as: 2392e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2393e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1. The C++ standard permits using the name _ in a namespace that 2394e35fdd936d133bf8a48de140a3c666897588a05shiqian// is not the global namespace or ::std. 2395e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2. The AnythingMatcher class has no data member or constructor, 2396e35fdd936d133bf8a48de140a3c666897588a05shiqian// so it's OK to create global variables of this type. 2397e35fdd936d133bf8a48de140a3c666897588a05shiqian// 3. c-style has approved of using _ in this case. 2398e35fdd936d133bf8a48de140a3c666897588a05shiqianconst internal::AnythingMatcher _ = {}; 2399e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2400e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2401e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> A() { return MakeMatcher(new internal::AnyMatcherImpl<T>()); } 2402e35fdd936d133bf8a48de140a3c666897588a05shiqian 2403e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2404e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2405e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> An() { return A<T>(); } 2406e35fdd936d133bf8a48de140a3c666897588a05shiqian 2407e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything equal to x. 2408e35fdd936d133bf8a48de140a3c666897588a05shiqian// Note: if the parameter of Eq() were declared as const T&, Eq("foo") 2409e35fdd936d133bf8a48de140a3c666897588a05shiqian// wouldn't compile. 2410e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2411e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); } 2412e35fdd936d133bf8a48de140a3c666897588a05shiqian 2413e35fdd936d133bf8a48de140a3c666897588a05shiqian// Constructs a Matcher<T> from a 'value' of type T. The constructed 2414e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher matches any value that's equal to 'value'. 2415e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2416e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T>::Matcher(T value) { *this = Eq(value); } 2417e35fdd936d133bf8a48de140a3c666897588a05shiqian 2418e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a monomorphic matcher that matches anything with type Lhs 2419e35fdd936d133bf8a48de140a3c666897588a05shiqian// and equal to rhs. A user may need to use this instead of Eq(...) 2420e35fdd936d133bf8a48de140a3c666897588a05shiqian// in order to resolve an overloading ambiguity. 2421e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2422e35fdd936d133bf8a48de140a3c666897588a05shiqian// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x)) 2423e35fdd936d133bf8a48de140a3c666897588a05shiqian// or Matcher<T>(x), but more readable than the latter. 2424e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2425e35fdd936d133bf8a48de140a3c666897588a05shiqian// We could define similar monomorphic matchers for other comparison 2426e35fdd936d133bf8a48de140a3c666897588a05shiqian// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do 2427e35fdd936d133bf8a48de140a3c666897588a05shiqian// it yet as those are used much less than Eq() in practice. A user 2428e35fdd936d133bf8a48de140a3c666897588a05shiqian// can always write Matcher<T>(Lt(5)) to be explicit about the type, 2429e35fdd936d133bf8a48de140a3c666897588a05shiqian// for example. 2430e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Lhs, typename Rhs> 2431e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); } 2432e35fdd936d133bf8a48de140a3c666897588a05shiqian 2433e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything >= x. 2434e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2435e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GeMatcher<Rhs> Ge(Rhs x) { 2436e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GeMatcher<Rhs>(x); 2437e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2438e35fdd936d133bf8a48de140a3c666897588a05shiqian 2439e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything > x. 2440e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2441e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GtMatcher<Rhs> Gt(Rhs x) { 2442e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GtMatcher<Rhs>(x); 2443e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2444e35fdd936d133bf8a48de140a3c666897588a05shiqian 2445e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything <= x. 2446e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2447e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LeMatcher<Rhs> Le(Rhs x) { 2448e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LeMatcher<Rhs>(x); 2449e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2450e35fdd936d133bf8a48de140a3c666897588a05shiqian 2451e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything < x. 2452e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2453e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LtMatcher<Rhs> Lt(Rhs x) { 2454e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LtMatcher<Rhs>(x); 2455e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2456e35fdd936d133bf8a48de140a3c666897588a05shiqian 2457e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything != x. 2458e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2459e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NeMatcher<Rhs> Ne(Rhs x) { 2460e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NeMatcher<Rhs>(x); 2461e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2462e35fdd936d133bf8a48de140a3c666897588a05shiqian 24632d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// Creates a polymorphic matcher that matches any NULL pointer. 24642d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.waninline PolymorphicMatcher<internal::IsNullMatcher > IsNull() { 24652d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan return MakePolymorphicMatcher(internal::IsNullMatcher()); 24662d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan} 24672d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 2468e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any non-NULL pointer. 2469e35fdd936d133bf8a48de140a3c666897588a05shiqian// This is convenient as Not(NULL) doesn't compile (the compiler 2470e35fdd936d133bf8a48de140a3c666897588a05shiqian// thinks that that expression is comparing a pointer with an integer). 2471e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::NotNullMatcher > NotNull() { 2472e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::NotNullMatcher()); 2473e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2474e35fdd936d133bf8a48de140a3c666897588a05shiqian 2475e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any argument that 2476e35fdd936d133bf8a48de140a3c666897588a05shiqian// references variable x. 2477e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2478e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::RefMatcher<T&> Ref(T& x) { // NOLINT 2479e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::RefMatcher<T&>(x); 2480e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2481e35fdd936d133bf8a48de140a3c666897588a05shiqian 2482e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2483e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2484e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> DoubleEq(double rhs) { 2485e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, false); 2486e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2487e35fdd936d133bf8a48de140a3c666897588a05shiqian 2488e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2489e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2490e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> NanSensitiveDoubleEq(double rhs) { 2491e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, true); 2492e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2493e35fdd936d133bf8a48de140a3c666897588a05shiqian 2494e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any float argument approximately 2495e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2496e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> FloatEq(float rhs) { 2497e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, false); 2498e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2499e35fdd936d133bf8a48de140a3c666897588a05shiqian 2500e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2501e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2502e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> NanSensitiveFloatEq(float rhs) { 2503e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, true); 2504e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2505e35fdd936d133bf8a48de140a3c666897588a05shiqian 2506e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches a pointer (raw or smart) that points 2507e35fdd936d133bf8a48de140a3c666897588a05shiqian// to a value that matches inner_matcher. 2508e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2509e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::PointeeMatcher<InnerMatcher> Pointee( 2510e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher& inner_matcher) { 2511e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::PointeeMatcher<InnerMatcher>(inner_matcher); 2512e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2513e35fdd936d133bf8a48de140a3c666897588a05shiqian 2514e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given field matches 2515e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'matcher'. For example, 2516e35fdd936d133bf8a48de140a3c666897588a05shiqian// Field(&Foo::number, Ge(5)) 2517e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.number >= 5. 2518e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType, typename FieldMatcher> 2519e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2520e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType> > Field( 2521e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldType Class::*field, const FieldMatcher& matcher) { 2522e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2523e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType>( 2524e35fdd936d133bf8a48de140a3c666897588a05shiqian field, MatcherCast<const FieldType&>(matcher))); 2525e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2526e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2527e35fdd936d133bf8a48de140a3c666897588a05shiqian // Field(&Foo::bar, m) 2528e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar is an int32 and m is a matcher for int64. 2529e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2530e35fdd936d133bf8a48de140a3c666897588a05shiqian 2531e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given property 2532e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches 'matcher'. For example, 2533e35fdd936d133bf8a48de140a3c666897588a05shiqian// Property(&Foo::str, StartsWith("hi")) 2534e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.str() starts with "hi". 2535e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType, typename PropertyMatcher> 2536e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2537e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType> > Property( 2538e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property)() const, const PropertyMatcher& matcher) { 2539e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2540e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType>( 2541e35fdd936d133bf8a48de140a3c666897588a05shiqian property, 2542e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan MatcherCast<GMOCK_REFERENCE_TO_CONST_(PropertyType)>(matcher))); 2543e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2544e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2545e35fdd936d133bf8a48de140a3c666897588a05shiqian // Property(&Foo::bar, m) 2546e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar() returns an int32 and m is a matcher for int64. 2547e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2548e35fdd936d133bf8a48de140a3c666897588a05shiqian 2549e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object iff the result of applying 2550e35fdd936d133bf8a48de140a3c666897588a05shiqian// a callable to x matches 'matcher'. 2551e35fdd936d133bf8a48de140a3c666897588a05shiqian// For example, 2552e35fdd936d133bf8a48de140a3c666897588a05shiqian// ResultOf(f, StartsWith("hi")) 2553e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff f(x) starts with "hi". 2554e35fdd936d133bf8a48de140a3c666897588a05shiqian// callable parameter can be a function, function pointer, or a functor. 2555e35fdd936d133bf8a48de140a3c666897588a05shiqian// Callable has to satisfy the following conditions: 2556e35fdd936d133bf8a48de140a3c666897588a05shiqian// * It is required to keep no state affecting the results of 2557e35fdd936d133bf8a48de140a3c666897588a05shiqian// the calls on it and make no assumptions about how many calls 2558e35fdd936d133bf8a48de140a3c666897588a05shiqian// will be made. Any state it keeps must be protected from the 2559e35fdd936d133bf8a48de140a3c666897588a05shiqian// concurrent access. 2560e35fdd936d133bf8a48de140a3c666897588a05shiqian// * If it is a function object, it has to define type result_type. 2561e35fdd936d133bf8a48de140a3c666897588a05shiqian// We recommend deriving your functor classes from std::unary_function. 2562e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable, typename ResultOfMatcher> 2563e35fdd936d133bf8a48de140a3c666897588a05shiqianinternal::ResultOfMatcher<Callable> ResultOf( 2564e35fdd936d133bf8a48de140a3c666897588a05shiqian Callable callable, const ResultOfMatcher& matcher) { 2565e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::ResultOfMatcher<Callable>( 2566e35fdd936d133bf8a48de140a3c666897588a05shiqian callable, 2567e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherCast<typename internal::CallableTraits<Callable>::ResultType>( 2568e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher)); 2569e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2570e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2571e35fdd936d133bf8a48de140a3c666897588a05shiqian // ResultOf(Function, m) 2572e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where Function() returns an int32 and m is a matcher for int64. 2573e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2574e35fdd936d133bf8a48de140a3c666897588a05shiqian 2575e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 2576e35fdd936d133bf8a48de140a3c666897588a05shiqian 2577e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2578e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2579e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::string& str) { 2580e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2581e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2582e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2583e35fdd936d133bf8a48de140a3c666897588a05shiqian 2584e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2585e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2586e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::string& str) { 2587e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2588e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2589e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2590e35fdd936d133bf8a48de140a3c666897588a05shiqian 2591e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2592e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2593e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::string& str) { 2594e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2595e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2596e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2597e35fdd936d133bf8a48de140a3c666897588a05shiqian 2598e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2599e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2600e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::string& str) { 2601e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2602e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2603e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2604e35fdd936d133bf8a48de140a3c666897588a05shiqian 2605e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any string, std::string, or C string 2606e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2607e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::string> > 2608e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::string& substring) { 2609e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::string>( 2610e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2611e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2612e35fdd936d133bf8a48de140a3c666897588a05shiqian 2613e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2614e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::string> > 2615e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::string& prefix) { 2616e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::string>( 2617e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2618e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2619e35fdd936d133bf8a48de140a3c666897588a05shiqian 2620e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2621e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::string> > 2622e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::string& suffix) { 2623e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::string>( 2624e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2625e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2626e35fdd936d133bf8a48de140a3c666897588a05shiqian 2627e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that fully matches regular expression 'regex'. 2628e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2629e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2630e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2631e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true)); 2632e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2633e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2634e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2635e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatchesRegex(new internal::RE(regex)); 2636e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2637e35fdd936d133bf8a48de140a3c666897588a05shiqian 2638e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that contains regular expression 'regex'. 2639e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2640e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2641e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2642e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false)); 2643e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2644e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2645e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2646e35fdd936d133bf8a48de140a3c666897588a05shiqian return ContainsRegex(new internal::RE(regex)); 2647e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2648e35fdd936d133bf8a48de140a3c666897588a05shiqian 2649e35fdd936d133bf8a48de140a3c666897588a05shiqian#if GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2650e35fdd936d133bf8a48de140a3c666897588a05shiqian// Wide string matchers. 2651e35fdd936d133bf8a48de140a3c666897588a05shiqian 2652e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2653e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2654e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::wstring& str) { 2655e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2656e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2657e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2658e35fdd936d133bf8a48de140a3c666897588a05shiqian 2659e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2660e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2661e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::wstring& str) { 2662e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2663e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2664e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2665e35fdd936d133bf8a48de140a3c666897588a05shiqian 2666e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2667e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2668e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::wstring& str) { 2669e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2670e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2671e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2672e35fdd936d133bf8a48de140a3c666897588a05shiqian 2673e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2674e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2675e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::wstring& str) { 2676e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2677e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2678e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2679e35fdd936d133bf8a48de140a3c666897588a05shiqian 2680e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any wstring, std::wstring, or C wide string 2681e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2682e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::wstring> > 2683e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::wstring& substring) { 2684e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::wstring>( 2685e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2686e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2687e35fdd936d133bf8a48de140a3c666897588a05shiqian 2688e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2689e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::wstring> > 2690e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::wstring& prefix) { 2691e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::wstring>( 2692e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2693e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2694e35fdd936d133bf8a48de140a3c666897588a05shiqian 2695e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2696e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::wstring> > 2697e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::wstring& suffix) { 2698e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::wstring>( 2699e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2700e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2701e35fdd936d133bf8a48de140a3c666897588a05shiqian 2702e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2703e35fdd936d133bf8a48de140a3c666897588a05shiqian 2704e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2705e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field == the second field. 2706e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Eq2Matcher Eq() { return internal::Eq2Matcher(); } 2707e35fdd936d133bf8a48de140a3c666897588a05shiqian 2708e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2709e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field >= the second field. 2710e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ge2Matcher Ge() { return internal::Ge2Matcher(); } 2711e35fdd936d133bf8a48de140a3c666897588a05shiqian 2712e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2713e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field > the second field. 2714e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Gt2Matcher Gt() { return internal::Gt2Matcher(); } 2715e35fdd936d133bf8a48de140a3c666897588a05shiqian 2716e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2717e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field <= the second field. 2718e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Le2Matcher Le() { return internal::Le2Matcher(); } 2719e35fdd936d133bf8a48de140a3c666897588a05shiqian 2720e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2721e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field < the second field. 2722e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); } 2723e35fdd936d133bf8a48de140a3c666897588a05shiqian 2724e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2725e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field != the second field. 2726e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); } 2727e35fdd936d133bf8a48de140a3c666897588a05shiqian 2728e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of type T that m doesn't 2729e35fdd936d133bf8a48de140a3c666897588a05shiqian// match. 2730e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2731e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) { 2732e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NotMatcher<InnerMatcher>(m); 2733e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2734e35fdd936d133bf8a48de140a3c666897588a05shiqian 2735e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches all of the 2736e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matchers. 2737e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2738e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2739e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2740e35fdd936d133bf8a48de140a3c666897588a05shiqian// AllOf()s. 2741e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2742e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, Matcher2> 2743e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2) { 2744e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2); 2745e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2746e35fdd936d133bf8a48de140a3c666897588a05shiqian 2747e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2748e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2749e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, Matcher3> > 2750e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2751e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3)); 2752e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2753e35fdd936d133bf8a48de140a3c666897588a05shiqian 2754e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2755e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2756e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2757e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2758e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, Matcher4> > > 2759e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2760e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4)); 2761e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2762e35fdd936d133bf8a48de140a3c666897588a05shiqian 2763e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2764e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2765e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2766e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2767e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, 2768e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher4, Matcher5> > > > 2769e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2770e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4, m5)); 2771e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2772e35fdd936d133bf8a48de140a3c666897588a05shiqian 2773e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches at least one 2774e35fdd936d133bf8a48de140a3c666897588a05shiqian// of the given matchers. 2775e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2776e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2777e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2778e35fdd936d133bf8a48de140a3c666897588a05shiqian// AnyOf()s. 2779e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2780e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, Matcher2> 2781e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2) { 2782e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2); 2783e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2784e35fdd936d133bf8a48de140a3c666897588a05shiqian 2785e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2786e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2787e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, Matcher3> > 2788e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2789e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3)); 2790e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2791e35fdd936d133bf8a48de140a3c666897588a05shiqian 2792e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2793e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2794e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2795e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2796e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, Matcher4> > > 2797e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2798e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4)); 2799e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2800e35fdd936d133bf8a48de140a3c666897588a05shiqian 2801e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2802e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2803e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2804e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2805e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, 2806e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher4, Matcher5> > > > 2807e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2808e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4, m5)); 2809e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2810e35fdd936d133bf8a48de140a3c666897588a05shiqian 2811e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a matcher that matches anything that satisfies the given 2812e35fdd936d133bf8a48de140a3c666897588a05shiqian// predicate. The predicate can be any unary function or functor 2813e35fdd936d133bf8a48de140a3c666897588a05shiqian// whose return type can be implicitly converted to bool. 2814e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 2815e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::TrulyMatcher<Predicate> > 2816e35fdd936d133bf8a48de140a3c666897588a05shiqianTruly(Predicate pred) { 2817e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::TrulyMatcher<Predicate>(pred)); 2818e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2819e35fdd936d133bf8a48de140a3c666897588a05shiqian 28206a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Returns a matcher that matches an equal container. 28216a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// This matcher behaves like Eq(), but in the event of mismatch lists the 28226a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values that are included in one container but not the other. (Duplicate 28236a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values and order differences are not explained.) 28246a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 2825821133180ccdb9eb062548d964929ba3b354eb84zhanyong.waninline PolymorphicMatcher<internal::ContainerEqMatcher< // NOLINT 2826b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan GMOCK_REMOVE_CONST_(Container)> > 28276a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ContainerEq(const Container& rhs) { 2828b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // This following line is for working around a bug in MSVC 8.0, 2829b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // which causes Container to be a const type sometimes. 2830b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef GMOCK_REMOVE_CONST_(Container) RawContainer; 2831821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan return MakePolymorphicMatcher( 2832821133180ccdb9eb062548d964929ba3b354eb84zhanyong.wan internal::ContainerEqMatcher<RawContainer>(rhs)); 2833b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 2834b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2835b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Matches an STL-style container or a native array that contains at 2836b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// least one element matching the given value or matcher. 2837b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2838b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Examples: 2839b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::set<int> page_ids; 2840b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(3); 2841b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(1); 2842b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(1)); 2843b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(Gt(2))); 2844b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Not(Contains(4))); 2845b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2846b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::map<int, size_t> page_lengths; 2847b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_lengths[1] = 100; 28484019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// EXPECT_THAT(page_lengths, 28494019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// Contains(::std::pair<const int, size_t>(1, 100))); 2850b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2851b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 2852b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(user_ids, Contains(Eq(::std::string("tom")))); 2853b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 2854b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline internal::ContainsMatcher<M> Contains(M matcher) { 2855b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return internal::ContainsMatcher<M>(matcher); 28566a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan} 28576a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 2858b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 2859b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 2860b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 2861b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 2862b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.waninline internal::KeyMatcher<M> Key(M inner_matcher) { 2863b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return internal::KeyMatcher<M>(inner_matcher); 2864b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan} 2865b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2866f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Pair(first_matcher, second_matcher) matches a std::pair whose 'first' field 2867f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// matches first_matcher and whose 'second' field matches second_matcher. For 2868f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// example, EXPECT_THAT(map_type, ElementsAre(Pair(Ge(5), "foo"))) can be used 2869f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// to match a std::map<int, string> that contains exactly one element whose key 2870f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// is >= 5 and whose value equals "foo". 2871f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2872f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.waninline internal::PairMatcher<FirstMatcher, SecondMatcher> 2873f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanPair(FirstMatcher first_matcher, SecondMatcher second_matcher) { 2874f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return internal::PairMatcher<FirstMatcher, SecondMatcher>( 2875f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher, second_matcher); 2876f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan} 2877f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2878e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a predicate that is satisfied by anything that matches the 2879e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matcher. 2880e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 2881e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::MatcherAsPredicate<M> Matches(M matcher) { 2882e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherAsPredicate<M>(matcher); 2883e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2884e35fdd936d133bf8a48de140a3c666897588a05shiqian 2885b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Returns true iff the value matches the matcher. 2886b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename T, typename M> 2887b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline bool Value(const T& value, M matcher) { 2888b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return testing::Matches(matcher)(value); 2889b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 2890b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 289134b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// Matches the value against the given matcher and explains the match 289234b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan// result to listener. 289334b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wantemplate <typename T, typename M> 2894a862f1de30ed1ef259bcec61c5939200b29c765czhanyong.waninline bool ExplainMatchResult( 289534b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan M matcher, const T& value, MatchResultListener* listener) { 289634b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan return SafeMatcherCast<const T&>(matcher).MatchAndExplain(value, listener); 289734b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan} 289834b034c21ef4af7c0100194ed6f85910fc99debbzhanyong.wan 2899bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// AllArgs(m) is a synonym of m. This is useful in 2900bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2901bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(AllArgs(Eq())); 2902bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2903bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// which is easier to read than 2904bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2905bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(Eq()); 2906bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wantemplate <typename InnerMatcher> 2907bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.waninline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; } 2908bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan 2909e35fdd936d133bf8a48de140a3c666897588a05shiqian// These macros allow using matchers to check values in Google Test 2910e35fdd936d133bf8a48de140a3c666897588a05shiqian// tests. ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher) 2911e35fdd936d133bf8a48de140a3c666897588a05shiqian// succeed iff the value matches the matcher. If the assertion fails, 2912e35fdd936d133bf8a48de140a3c666897588a05shiqian// the value and the description of the matcher will be printed. 2913e35fdd936d133bf8a48de140a3c666897588a05shiqian#define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\ 2914e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 2915e35fdd936d133bf8a48de140a3c666897588a05shiqian#define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\ 2916e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 2917e35fdd936d133bf8a48de140a3c666897588a05shiqian 2918e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace testing 2919e35fdd936d133bf8a48de140a3c666897588a05shiqian 2920e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 2921