gmock-matchers.h revision 95b12332c345cee508a8e2b68e007280392506e0
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 67e35fdd936d133bf8a48de140a3c666897588a05shiqian// The implementation of a matcher. 68e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 69e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherInterface { 70e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 71e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual ~MatcherInterface() {} 72e35fdd936d133bf8a48de140a3c666897588a05shiqian 73e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff the matcher matches x. 74e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(T x) const = 0; 75e35fdd936d133bf8a48de140a3c666897588a05shiqian 76e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes this matcher to an ostream. 77e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const = 0; 78e35fdd936d133bf8a48de140a3c666897588a05shiqian 79e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes the negation of this matcher to an ostream. For 80e35fdd936d133bf8a48de140a3c666897588a05shiqian // example, if the description of this matcher is "is greater than 81e35fdd936d133bf8a48de140a3c666897588a05shiqian // 7", the negated description could be "is not greater than 7". 82e35fdd936d133bf8a48de140a3c666897588a05shiqian // You are not required to override this when implementing 83e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherInterface, but it is highly advised so that your matcher 84e35fdd936d133bf8a48de140a3c666897588a05shiqian // can produce good error messages. 85e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 86e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "not ("; 87e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeTo(os); 88e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << ")"; 89e35fdd936d133bf8a48de140a3c666897588a05shiqian } 90e35fdd936d133bf8a48de140a3c666897588a05shiqian 91e35fdd936d133bf8a48de140a3c666897588a05shiqian // Explains why x matches, or doesn't match, the matcher. Override 92e35fdd936d133bf8a48de140a3c666897588a05shiqian // this to provide any additional information that helps a user 93e35fdd936d133bf8a48de140a3c666897588a05shiqian // understand the match result. 943fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan virtual void ExplainMatchResultTo(T /* x */, ::std::ostream* /* os */) const { 95e35fdd936d133bf8a48de140a3c666897588a05shiqian // By default, nothing more needs to be explained, as Google Mock 96e35fdd936d133bf8a48de140a3c666897588a05shiqian // has already printed the value of x when this function is 97e35fdd936d133bf8a48de140a3c666897588a05shiqian // called. 98e35fdd936d133bf8a48de140a3c666897588a05shiqian } 99e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 100e35fdd936d133bf8a48de140a3c666897588a05shiqian 101e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace internal { 102e35fdd936d133bf8a48de140a3c666897588a05shiqian 103e35fdd936d133bf8a48de140a3c666897588a05shiqian// An internal class for implementing Matcher<T>, which will derive 104e35fdd936d133bf8a48de140a3c666897588a05shiqian// from it. We put functionalities common to all Matcher<T> 105e35fdd936d133bf8a48de140a3c666897588a05shiqian// specializations here to avoid code duplication. 106e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 107e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherBase { 108e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 109e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff this matcher matches x. 110e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(T x) const { return impl_->Matches(x); } 111e35fdd936d133bf8a48de140a3c666897588a05shiqian 112e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes this matcher to an ostream. 113e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { impl_->DescribeTo(os); } 114e35fdd936d133bf8a48de140a3c666897588a05shiqian 115e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes the negation of this matcher to an ostream. 116e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 117e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_->DescribeNegationTo(os); 118e35fdd936d133bf8a48de140a3c666897588a05shiqian } 119e35fdd936d133bf8a48de140a3c666897588a05shiqian 120e35fdd936d133bf8a48de140a3c666897588a05shiqian // Explains why x matches, or doesn't match, the matcher. 121e35fdd936d133bf8a48de140a3c666897588a05shiqian void ExplainMatchResultTo(T x, ::std::ostream* os) const { 122e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_->ExplainMatchResultTo(x, os); 123e35fdd936d133bf8a48de140a3c666897588a05shiqian } 124e35fdd936d133bf8a48de140a3c666897588a05shiqian protected: 125e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherBase() {} 126e35fdd936d133bf8a48de140a3c666897588a05shiqian 127e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a matcher from its implementation. 128e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherBase(const MatcherInterface<T>* impl) 129e35fdd936d133bf8a48de140a3c666897588a05shiqian : impl_(impl) {} 130e35fdd936d133bf8a48de140a3c666897588a05shiqian 131e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual ~MatcherBase() {} 132e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 133e35fdd936d133bf8a48de140a3c666897588a05shiqian // shared_ptr (util/gtl/shared_ptr.h) and linked_ptr have similar 134e35fdd936d133bf8a48de140a3c666897588a05shiqian // interfaces. The former dynamically allocates a chunk of memory 135e35fdd936d133bf8a48de140a3c666897588a05shiqian // to hold the reference count, while the latter tracks all 136e35fdd936d133bf8a48de140a3c666897588a05shiqian // references using a circular linked list without allocating 137e35fdd936d133bf8a48de140a3c666897588a05shiqian // memory. It has been observed that linked_ptr performs better in 138e35fdd936d133bf8a48de140a3c666897588a05shiqian // typical scenarios. However, shared_ptr can out-perform 139e35fdd936d133bf8a48de140a3c666897588a05shiqian // linked_ptr when there are many more uses of the copy constructor 140e35fdd936d133bf8a48de140a3c666897588a05shiqian // than the default constructor. 141e35fdd936d133bf8a48de140a3c666897588a05shiqian // 142e35fdd936d133bf8a48de140a3c666897588a05shiqian // If performance becomes a problem, we should see if using 143e35fdd936d133bf8a48de140a3c666897588a05shiqian // shared_ptr helps. 144e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::linked_ptr<const MatcherInterface<T> > impl_; 145e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 146e35fdd936d133bf8a48de140a3c666897588a05shiqian 147e35fdd936d133bf8a48de140a3c666897588a05shiqian// The default implementation of ExplainMatchResultTo() for 148e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matchers. 149e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename PolymorphicMatcherImpl, typename T> 1503fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.waninline void ExplainMatchResultTo(const PolymorphicMatcherImpl& /* impl */, 1513fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan const T& /* x */, 1523fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan ::std::ostream* /* os */) { 153e35fdd936d133bf8a48de140a3c666897588a05shiqian // By default, nothing more needs to be said, as Google Mock already 154e35fdd936d133bf8a48de140a3c666897588a05shiqian // prints the value of x elsewhere. 155e35fdd936d133bf8a48de140a3c666897588a05shiqian} 156e35fdd936d133bf8a48de140a3c666897588a05shiqian 157e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 158e35fdd936d133bf8a48de140a3c666897588a05shiqian 159e35fdd936d133bf8a48de140a3c666897588a05shiqian// A Matcher<T> is a copyable and IMMUTABLE (except by assignment) 160e35fdd936d133bf8a48de140a3c666897588a05shiqian// object that can check whether a value of type T matches. The 161e35fdd936d133bf8a48de140a3c666897588a05shiqian// implementation of Matcher<T> is just a linked_ptr to const 162e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherInterface<T>, so copying is fairly cheap. Don't inherit 163e35fdd936d133bf8a48de140a3c666897588a05shiqian// from Matcher! 164e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 165e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher : public internal::MatcherBase<T> { 166e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 167e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a null matcher. Needed for storing Matcher objects in 168e35fdd936d133bf8a48de140a3c666897588a05shiqian // STL containers. 169e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 170e35fdd936d133bf8a48de140a3c666897588a05shiqian 171e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructs a matcher from its implementation. 172e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<T>* impl) 173e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<T>(impl) {} 174e35fdd936d133bf8a48de140a3c666897588a05shiqian 17518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Implicit constructor here allows people to write 176e35fdd936d133bf8a48de140a3c666897588a05shiqian // EXPECT_CALL(foo, Bar(5)) instead of EXPECT_CALL(foo, Bar(Eq(5))) sometimes 177e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(T value); // NOLINT 178e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 179e35fdd936d133bf8a48de140a3c666897588a05shiqian 180e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following two specializations allow the user to write str 181e35fdd936d133bf8a48de140a3c666897588a05shiqian// instead of Eq(str) and "foo" instead of Eq("foo") when a string 182e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher is expected. 183e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 184e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher<const internal::string&> 185e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<const internal::string&> { 186e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 187e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 188e35fdd936d133bf8a48de140a3c666897588a05shiqian 189e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<const internal::string&>* impl) 190e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<const internal::string&>(impl) {} 191e35fdd936d133bf8a48de140a3c666897588a05shiqian 192e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 193e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 194e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 195e35fdd936d133bf8a48de140a3c666897588a05shiqian 196e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 197e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 198e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 199e35fdd936d133bf8a48de140a3c666897588a05shiqian 200e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 201e35fdd936d133bf8a48de140a3c666897588a05shiqianclass Matcher<internal::string> 202e35fdd936d133bf8a48de140a3c666897588a05shiqian : public internal::MatcherBase<internal::string> { 203e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 204e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher() {} 205e35fdd936d133bf8a48de140a3c666897588a05shiqian 206e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Matcher(const MatcherInterface<internal::string>* impl) 207e35fdd936d133bf8a48de140a3c666897588a05shiqian : internal::MatcherBase<internal::string>(impl) {} 208e35fdd936d133bf8a48de140a3c666897588a05shiqian 209e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write str instead of Eq(str) sometimes, where 210e35fdd936d133bf8a48de140a3c666897588a05shiqian // str is a string object. 211e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const internal::string& s); // NOLINT 212e35fdd936d133bf8a48de140a3c666897588a05shiqian 213e35fdd936d133bf8a48de140a3c666897588a05shiqian // Allows the user to write "foo" instead of Eq("foo") sometimes. 214e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher(const char* s); // NOLINT 215e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 216e35fdd936d133bf8a48de140a3c666897588a05shiqian 217e35fdd936d133bf8a48de140a3c666897588a05shiqian// The PolymorphicMatcher class template makes it easy to implement a 218e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matcher (i.e. a matcher that can match values of more 219e35fdd936d133bf8a48de140a3c666897588a05shiqian// than one type, e.g. Eq(n) and NotNull()). 220e35fdd936d133bf8a48de140a3c666897588a05shiqian// 221e35fdd936d133bf8a48de140a3c666897588a05shiqian// To define a polymorphic matcher, a user first provides a Impl class 222e35fdd936d133bf8a48de140a3c666897588a05shiqian// that has a Matches() method, a DescribeTo() method, and a 223e35fdd936d133bf8a48de140a3c666897588a05shiqian// DescribeNegationTo() method. The Matches() method is usually a 224e35fdd936d133bf8a48de140a3c666897588a05shiqian// method template (such that it works with multiple types). Then the 225e35fdd936d133bf8a48de140a3c666897588a05shiqian// user creates the polymorphic matcher using 226e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakePolymorphicMatcher(). To provide additional explanation to the 227e35fdd936d133bf8a48de140a3c666897588a05shiqian// match result, define a FREE function (or function template) 228e35fdd936d133bf8a48de140a3c666897588a05shiqian// 229e35fdd936d133bf8a48de140a3c666897588a05shiqian// void ExplainMatchResultTo(const Impl& matcher, const Value& value, 230e35fdd936d133bf8a48de140a3c666897588a05shiqian// ::std::ostream* os); 231e35fdd936d133bf8a48de140a3c666897588a05shiqian// 232e35fdd936d133bf8a48de140a3c666897588a05shiqian// in the SAME NAME SPACE where Impl is defined. See the definition 233e35fdd936d133bf8a48de140a3c666897588a05shiqian// of NotNull() for a complete example. 234e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 235e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PolymorphicMatcher { 236e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 237e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PolymorphicMatcher(const Impl& impl) : impl_(impl) {} 238e35fdd936d133bf8a48de140a3c666897588a05shiqian 2392b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns a mutable reference to the underlying matcher 2402b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 2412b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl& mutable_impl() { return impl_; } 2422b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 2432b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // Returns an immutable reference to the underlying matcher 2442b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan // implementation object. 2452b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan const Impl& impl() const { return impl_; } 2462b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 247e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 248e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 249e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new MonomorphicImpl<T>(impl_)); 250e35fdd936d133bf8a48de140a3c666897588a05shiqian } 251e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 252e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 253e35fdd936d133bf8a48de140a3c666897588a05shiqian class MonomorphicImpl : public MatcherInterface<T> { 254e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 255e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MonomorphicImpl(const Impl& impl) : impl_(impl) {} 256e35fdd936d133bf8a48de140a3c666897588a05shiqian 257e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(T x) const { return impl_.Matches(x); } 258e35fdd936d133bf8a48de140a3c666897588a05shiqian 259e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 260e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeTo(os); 261e35fdd936d133bf8a48de140a3c666897588a05shiqian } 262e35fdd936d133bf8a48de140a3c666897588a05shiqian 263e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 264e35fdd936d133bf8a48de140a3c666897588a05shiqian impl_.DescribeNegationTo(os); 265e35fdd936d133bf8a48de140a3c666897588a05shiqian } 266e35fdd936d133bf8a48de140a3c666897588a05shiqian 267e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void ExplainMatchResultTo(T x, ::std::ostream* os) const { 268e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::testing::internal::ExplainMatchResultTo; 269e35fdd936d133bf8a48de140a3c666897588a05shiqian 270e35fdd936d133bf8a48de140a3c666897588a05shiqian // C++ uses Argument-Dependent Look-up (aka Koenig Look-up) to 271e35fdd936d133bf8a48de140a3c666897588a05shiqian // resolve the call to ExplainMatchResultTo() here. This 272e35fdd936d133bf8a48de140a3c666897588a05shiqian // means that if there's a ExplainMatchResultTo() function 273e35fdd936d133bf8a48de140a3c666897588a05shiqian // defined in the name space where class Impl is defined, it 274e35fdd936d133bf8a48de140a3c666897588a05shiqian // will be picked by the compiler as the better match. 275e35fdd936d133bf8a48de140a3c666897588a05shiqian // Otherwise the default implementation of it in 276e35fdd936d133bf8a48de140a3c666897588a05shiqian // ::testing::internal will be picked. 277e35fdd936d133bf8a48de140a3c666897588a05shiqian // 278e35fdd936d133bf8a48de140a3c666897588a05shiqian // This look-up rule lets a writer of a polymorphic matcher 279e35fdd936d133bf8a48de140a3c666897588a05shiqian // customize the behavior of ExplainMatchResultTo() when he 280e35fdd936d133bf8a48de140a3c666897588a05shiqian // cares to. Nothing needs to be done by the writer if he 281e35fdd936d133bf8a48de140a3c666897588a05shiqian // doesn't need to customize it. 282e35fdd936d133bf8a48de140a3c666897588a05shiqian ExplainMatchResultTo(impl_, x, os); 283e35fdd936d133bf8a48de140a3c666897588a05shiqian } 2842b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan 285e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 286e35fdd936d133bf8a48de140a3c666897588a05shiqian const Impl impl_; 287e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 288e35fdd936d133bf8a48de140a3c666897588a05shiqian 2892b43a9ecd16edc1ec55429967e0f2de1aaf8e8bbzhanyong.wan Impl impl_; 290e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 291e35fdd936d133bf8a48de140a3c666897588a05shiqian 292e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher from its implementation. This is easier to use 293e35fdd936d133bf8a48de140a3c666897588a05shiqian// than the Matcher<T> constructor as it doesn't require you to 294e35fdd936d133bf8a48de140a3c666897588a05shiqian// explicitly write the template argument, e.g. 295e35fdd936d133bf8a48de140a3c666897588a05shiqian// 296e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakeMatcher(foo); 297e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 298e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<const string&>(foo); 299e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 300e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MakeMatcher(const MatcherInterface<T>* impl) { 301e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(impl); 302e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 303e35fdd936d133bf8a48de140a3c666897588a05shiqian 304e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher from its implementation. This is 305e35fdd936d133bf8a48de140a3c666897588a05shiqian// easier to use than the PolymorphicMatcher<Impl> constructor as it 306e35fdd936d133bf8a48de140a3c666897588a05shiqian// doesn't require you to explicitly write the template argument, e.g. 307e35fdd936d133bf8a48de140a3c666897588a05shiqian// 308e35fdd936d133bf8a48de140a3c666897588a05shiqian// MakePolymorphicMatcher(foo); 309e35fdd936d133bf8a48de140a3c666897588a05shiqian// vs 310e35fdd936d133bf8a48de140a3c666897588a05shiqian// PolymorphicMatcher<TypeOfFoo>(foo); 311e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <class Impl> 312e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<Impl> MakePolymorphicMatcher(const Impl& impl) { 313e35fdd936d133bf8a48de140a3c666897588a05shiqian return PolymorphicMatcher<Impl>(impl); 314e35fdd936d133bf8a48de140a3c666897588a05shiqian} 315e35fdd936d133bf8a48de140a3c666897588a05shiqian 316e35fdd936d133bf8a48de140a3c666897588a05shiqian// In order to be safe and clear, casting between different matcher 317e35fdd936d133bf8a48de140a3c666897588a05shiqian// types is done explicitly via MatcherCast<T>(m), which takes a 318e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher m and returns a Matcher<T>. It compiles only when T can be 319e35fdd936d133bf8a48de140a3c666897588a05shiqian// statically converted to the argument type of m. 320e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 321e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T> MatcherCast(M m); 322e35fdd936d133bf8a48de140a3c666897588a05shiqian 32318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// Implements SafeMatcherCast(). 32418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// 32595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// We use an intermediate class to do the actual safe casting as Nokia's 32695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// Symbian compiler cannot decide between 32795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, M> ... (M) and 32895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// template <T, U> ... (const Matcher<U>&) 32995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan// for function templates but can for member function templates. 33095b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T> 33195b12332c345cee508a8e2b68e007280392506e0zhanyong.wanclass SafeMatcherCastImpl { 33295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan public: 33395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // This overload handles polymorphic matchers only since monomorphic 33495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // matchers are handled by the next one. 33595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename M> 33695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan static inline Matcher<T> Cast(M polymorphic_matcher) { 33795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return Matcher<T>(polymorphic_matcher); 33895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 33918490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 34095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // This overload handles monomorphic matchers. 34195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // 34295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In general, if type T can be implicitly converted to type U, we can 34395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // safely convert a Matcher<U> to a Matcher<T> (i.e. Matcher is 34495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // contravariant): just keep a copy of the original Matcher<U>, convert the 34595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // argument from type T to U, and then pass it to the underlying Matcher<U>. 34695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // The only exception is when U is a reference and T is not, as the 34795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // underlying Matcher<U> may be interested in the argument's address, which 34895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // is not preserved in the conversion from T to U. 34995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan template <typename U> 35095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan static inline Matcher<T> Cast(const Matcher<U>& matcher) { 35195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that T can be implicitly converted to U. 35295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_COMPILE_ASSERT_((internal::ImplicitlyConvertible<T, U>::value), 35395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan T_must_be_implicitly_convertible_to_U); 35495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // Enforce that we are not converting a non-reference type T to a reference 35595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // type U. 35695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_COMPILE_ASSERT_( 35795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan internal::is_reference<T>::value || !internal::is_reference<U>::value, 35895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan cannot_convert_non_referentce_arg_to_reference); 35995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // In case both T and U are arithmetic types, enforce that the 36095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan // conversion is not lossy. 36195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(T)) RawT; 36295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(U)) RawU; 36395b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther; 36495b12332c345cee508a8e2b68e007280392506e0zhanyong.wan const bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther; 36595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan GMOCK_COMPILE_ASSERT_( 36695b12332c345cee508a8e2b68e007280392506e0zhanyong.wan kTIsOther || kUIsOther || 36795b12332c345cee508a8e2b68e007280392506e0zhanyong.wan (internal::LosslessArithmeticConvertible<RawT, RawU>::value), 36895b12332c345cee508a8e2b68e007280392506e0zhanyong.wan conversion_of_arithmetic_types_must_be_lossless); 36995b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return MatcherCast<T>(matcher); 37095b12332c345cee508a8e2b68e007280392506e0zhanyong.wan } 37195b12332c345cee508a8e2b68e007280392506e0zhanyong.wan}; 37295b12332c345cee508a8e2b68e007280392506e0zhanyong.wan 37395b12332c345cee508a8e2b68e007280392506e0zhanyong.wantemplate <typename T, typename M> 37495b12332c345cee508a8e2b68e007280392506e0zhanyong.waninline Matcher<T> SafeMatcherCast(const M& polymorphic_matcher) { 37595b12332c345cee508a8e2b68e007280392506e0zhanyong.wan return SafeMatcherCastImpl<T>::Cast(polymorphic_matcher); 37618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan} 37718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan 378e35fdd936d133bf8a48de140a3c666897588a05shiqian// A<T>() returns a matcher that matches any value of type T. 379e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 380e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T> A(); 381e35fdd936d133bf8a48de140a3c666897588a05shiqian 382e35fdd936d133bf8a48de140a3c666897588a05shiqian// Anything inside the 'internal' namespace IS INTERNAL IMPLEMENTATION 383e35fdd936d133bf8a48de140a3c666897588a05shiqian// and MUST NOT BE USED IN USER CODE!!! 384e35fdd936d133bf8a48de140a3c666897588a05shiqiannamespace internal { 385e35fdd936d133bf8a48de140a3c666897588a05shiqian 386e35fdd936d133bf8a48de140a3c666897588a05shiqian// Appends the explanation on the result of matcher.Matches(value) to 387e35fdd936d133bf8a48de140a3c666897588a05shiqian// os iff the explanation is not empty. 388e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 389e35fdd936d133bf8a48de140a3c666897588a05shiqianvoid ExplainMatchResultAsNeededTo(const Matcher<T>& matcher, T value, 390e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::ostream* os) { 391e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream reason; 392e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher.ExplainMatchResultTo(value, &reason); 393e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string s = reason.str(); 394e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s != "") { 395e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << " (" << s << ")"; 396e35fdd936d133bf8a48de140a3c666897588a05shiqian } 397e35fdd936d133bf8a48de140a3c666897588a05shiqian} 398e35fdd936d133bf8a48de140a3c666897588a05shiqian 399e35fdd936d133bf8a48de140a3c666897588a05shiqian// An internal helper class for doing compile-time loop on a tuple's 400e35fdd936d133bf8a48de140a3c666897588a05shiqian// fields. 401e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <size_t N> 402e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix { 403e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 404e35fdd936d133bf8a48de140a3c666897588a05shiqian // TuplePrefix<N>::Matches(matcher_tuple, value_tuple) returns true 405e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff the first N fields of matcher_tuple matches the first N 406e35fdd936d133bf8a48de140a3c666897588a05shiqian // fields of value_tuple, respectively. 407e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 408e35fdd936d133bf8a48de140a3c666897588a05shiqian static bool Matches(const MatcherTuple& matcher_tuple, 409e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 410e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 411e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<N - 1>::Matches(matcher_tuple, value_tuple) 412e35fdd936d133bf8a48de140a3c666897588a05shiqian && get<N - 1>(matcher_tuple).Matches(get<N - 1>(value_tuple)); 413e35fdd936d133bf8a48de140a3c666897588a05shiqian } 414e35fdd936d133bf8a48de140a3c666897588a05shiqian 415e35fdd936d133bf8a48de140a3c666897588a05shiqian // TuplePrefix<N>::DescribeMatchFailuresTo(matchers, values, os) 416e35fdd936d133bf8a48de140a3c666897588a05shiqian // describes failures in matching the first N fields of matchers 417e35fdd936d133bf8a48de140a3c666897588a05shiqian // against the first N fields of values. If there is no failure, 418e35fdd936d133bf8a48de140a3c666897588a05shiqian // nothing will be streamed to os. 419e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 420e35fdd936d133bf8a48de140a3c666897588a05shiqian static void DescribeMatchFailuresTo(const MatcherTuple& matchers, 421e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& values, 422e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::ostream* os) { 423e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_element; 424e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::get; 425e35fdd936d133bf8a48de140a3c666897588a05shiqian 426e35fdd936d133bf8a48de140a3c666897588a05shiqian // First, describes failures in the first N - 1 fields. 427e35fdd936d133bf8a48de140a3c666897588a05shiqian TuplePrefix<N - 1>::DescribeMatchFailuresTo(matchers, values, os); 428e35fdd936d133bf8a48de140a3c666897588a05shiqian 429e35fdd936d133bf8a48de140a3c666897588a05shiqian // Then describes the failure (if any) in the (N - 1)-th (0-based) 430e35fdd936d133bf8a48de140a3c666897588a05shiqian // field. 431e35fdd936d133bf8a48de140a3c666897588a05shiqian typename tuple_element<N - 1, MatcherTuple>::type matcher = 432e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers); 433e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename tuple_element<N - 1, ValueTuple>::type Value; 434e35fdd936d133bf8a48de140a3c666897588a05shiqian Value value = get<N - 1>(values); 435e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!matcher.Matches(value)) { 436e35fdd936d133bf8a48de140a3c666897588a05shiqian // TODO(wan): include in the message the name of the parameter 437e35fdd936d133bf8a48de140a3c666897588a05shiqian // as used in MOCK_METHOD*() when possible. 438e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << " Expected arg #" << N - 1 << ": "; 439e35fdd936d133bf8a48de140a3c666897588a05shiqian get<N - 1>(matchers).DescribeTo(os); 440e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n Actual: "; 441e35fdd936d133bf8a48de140a3c666897588a05shiqian // We remove the reference in type Value to prevent the 442e35fdd936d133bf8a48de140a3c666897588a05shiqian // universal printer from printing the address of value, which 443e35fdd936d133bf8a48de140a3c666897588a05shiqian // isn't interesting to the user most of the time. The 444e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher's ExplainMatchResultTo() method handles the case when 445e35fdd936d133bf8a48de140a3c666897588a05shiqian // the address is interesting. 446e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan internal::UniversalPrinter<GMOCK_REMOVE_REFERENCE_(Value)>:: 447e35fdd936d133bf8a48de140a3c666897588a05shiqian Print(value, os); 448e35fdd936d133bf8a48de140a3c666897588a05shiqian ExplainMatchResultAsNeededTo<Value>(matcher, value, os); 449e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "\n"; 450e35fdd936d133bf8a48de140a3c666897588a05shiqian } 451e35fdd936d133bf8a48de140a3c666897588a05shiqian } 452e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 453e35fdd936d133bf8a48de140a3c666897588a05shiqian 454e35fdd936d133bf8a48de140a3c666897588a05shiqian// The base case. 455e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <> 456e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TuplePrefix<0> { 457e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 458e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 4593fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan static bool Matches(const MatcherTuple& /* matcher_tuple */, 4603fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan const ValueTuple& /* value_tuple */) { 461e35fdd936d133bf8a48de140a3c666897588a05shiqian return true; 462e35fdd936d133bf8a48de140a3c666897588a05shiqian } 463e35fdd936d133bf8a48de140a3c666897588a05shiqian 464e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename MatcherTuple, typename ValueTuple> 4653fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan static void DescribeMatchFailuresTo(const MatcherTuple& /* matchers */, 4663fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan const ValueTuple& /* values */, 4673fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan ::std::ostream* /* os */) {} 468e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 469e35fdd936d133bf8a48de140a3c666897588a05shiqian 470e35fdd936d133bf8a48de140a3c666897588a05shiqian// TupleMatches(matcher_tuple, value_tuple) returns true iff all 471e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers in matcher_tuple match the corresponding fields in 472e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple. It is a compiler error if matcher_tuple and 473e35fdd936d133bf8a48de140a3c666897588a05shiqian// value_tuple have different number of fields or incompatible field 474e35fdd936d133bf8a48de140a3c666897588a05shiqian// types. 475e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 476e35fdd936d133bf8a48de140a3c666897588a05shiqianbool TupleMatches(const MatcherTuple& matcher_tuple, 477e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& value_tuple) { 478e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 479e35fdd936d133bf8a48de140a3c666897588a05shiqian // Makes sure that matcher_tuple and value_tuple have the same 480e35fdd936d133bf8a48de140a3c666897588a05shiqian // number of fields. 481e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan GMOCK_COMPILE_ASSERT_(tuple_size<MatcherTuple>::value == 482e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan tuple_size<ValueTuple>::value, 483e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan matcher_and_value_have_different_numbers_of_fields); 484e35fdd936d133bf8a48de140a3c666897588a05shiqian return TuplePrefix<tuple_size<ValueTuple>::value>:: 485e35fdd936d133bf8a48de140a3c666897588a05shiqian Matches(matcher_tuple, value_tuple); 486e35fdd936d133bf8a48de140a3c666897588a05shiqian} 487e35fdd936d133bf8a48de140a3c666897588a05shiqian 488e35fdd936d133bf8a48de140a3c666897588a05shiqian// Describes failures in matching matchers against values. If there 489e35fdd936d133bf8a48de140a3c666897588a05shiqian// is no failure, nothing will be streamed to os. 490e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename MatcherTuple, typename ValueTuple> 491e35fdd936d133bf8a48de140a3c666897588a05shiqianvoid DescribeMatchFailureTupleTo(const MatcherTuple& matchers, 492e35fdd936d133bf8a48de140a3c666897588a05shiqian const ValueTuple& values, 493e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::ostream* os) { 494e35fdd936d133bf8a48de140a3c666897588a05shiqian using ::std::tr1::tuple_size; 495e35fdd936d133bf8a48de140a3c666897588a05shiqian TuplePrefix<tuple_size<MatcherTuple>::value>::DescribeMatchFailuresTo( 496e35fdd936d133bf8a48de140a3c666897588a05shiqian matchers, values, os); 497e35fdd936d133bf8a48de140a3c666897588a05shiqian} 498e35fdd936d133bf8a48de140a3c666897588a05shiqian 499e35fdd936d133bf8a48de140a3c666897588a05shiqian// The MatcherCastImpl class template is a helper for implementing 500e35fdd936d133bf8a48de140a3c666897588a05shiqian// MatcherCast(). We need this helper in order to partially 501e35fdd936d133bf8a48de140a3c666897588a05shiqian// specialize the implementation of MatcherCast() (C++ allows 502e35fdd936d133bf8a48de140a3c666897588a05shiqian// class/struct templates to be partially specialized, but not 503e35fdd936d133bf8a48de140a3c666897588a05shiqian// function templates.). 504e35fdd936d133bf8a48de140a3c666897588a05shiqian 505e35fdd936d133bf8a48de140a3c666897588a05shiqian// This general version is used when MatcherCast()'s argument is a 506e35fdd936d133bf8a48de140a3c666897588a05shiqian// polymorphic matcher (i.e. something that can be converted to a 507e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher but is not one yet; for example, Eq(value)). 508e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 509e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl { 510e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 511e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(M polymorphic_matcher) { 512e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(polymorphic_matcher); 513e35fdd936d133bf8a48de140a3c666897588a05shiqian } 514e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 515e35fdd936d133bf8a48de140a3c666897588a05shiqian 516e35fdd936d133bf8a48de140a3c666897588a05shiqian// This more specialized version is used when MatcherCast()'s argument 517e35fdd936d133bf8a48de140a3c666897588a05shiqian// is already a Matcher. This only compiles when type T can be 518e35fdd936d133bf8a48de140a3c666897588a05shiqian// statically converted to type U. 519e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename U> 520e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl<T, Matcher<U> > { 521e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 522e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(const Matcher<U>& source_matcher) { 523e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl(source_matcher)); 524e35fdd936d133bf8a48de140a3c666897588a05shiqian } 525e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 526e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 527e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 528e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const Matcher<U>& source_matcher) 529e35fdd936d133bf8a48de140a3c666897588a05shiqian : source_matcher_(source_matcher) {} 530e35fdd936d133bf8a48de140a3c666897588a05shiqian 531e35fdd936d133bf8a48de140a3c666897588a05shiqian // We delegate the matching logic to the source matcher. 532e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(T x) const { 533e35fdd936d133bf8a48de140a3c666897588a05shiqian return source_matcher_.Matches(static_cast<U>(x)); 534e35fdd936d133bf8a48de140a3c666897588a05shiqian } 535e35fdd936d133bf8a48de140a3c666897588a05shiqian 536e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 537e35fdd936d133bf8a48de140a3c666897588a05shiqian source_matcher_.DescribeTo(os); 538e35fdd936d133bf8a48de140a3c666897588a05shiqian } 539e35fdd936d133bf8a48de140a3c666897588a05shiqian 540e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 541e35fdd936d133bf8a48de140a3c666897588a05shiqian source_matcher_.DescribeNegationTo(os); 542e35fdd936d133bf8a48de140a3c666897588a05shiqian } 543e35fdd936d133bf8a48de140a3c666897588a05shiqian 544e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void ExplainMatchResultTo(T x, ::std::ostream* os) const { 545e35fdd936d133bf8a48de140a3c666897588a05shiqian source_matcher_.ExplainMatchResultTo(static_cast<U>(x), os); 546e35fdd936d133bf8a48de140a3c666897588a05shiqian } 547e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 548e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<U> source_matcher_; 549e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 550e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 551e35fdd936d133bf8a48de140a3c666897588a05shiqian 552e35fdd936d133bf8a48de140a3c666897588a05shiqian// This even more specialized version is used for efficiently casting 553e35fdd936d133bf8a48de140a3c666897588a05shiqian// a matcher to its own type. 554e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 555e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherCastImpl<T, Matcher<T> > { 556e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 557e35fdd936d133bf8a48de140a3c666897588a05shiqian static Matcher<T> Cast(const Matcher<T>& matcher) { return matcher; } 558e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 559e35fdd936d133bf8a48de140a3c666897588a05shiqian 560e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements A<T>(). 561e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 562e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnyMatcherImpl : public MatcherInterface<T> { 563e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 5643fbd2dd020819fcfd7cef2aa6a17fad73c41a0eezhanyong.wan virtual bool Matches(T /* x */) const { return true; } 565e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { *os << "is anything"; } 566e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 567e35fdd936d133bf8a48de140a3c666897588a05shiqian // This is mostly for completeness' safe, as it's not very useful 568e35fdd936d133bf8a48de140a3c666897588a05shiqian // to write Not(A<bool>()). However we cannot completely rule out 569e35fdd936d133bf8a48de140a3c666897588a05shiqian // such a possibility, and it doesn't hurt to be prepared. 570e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 571e35fdd936d133bf8a48de140a3c666897588a05shiqian } 572e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 573e35fdd936d133bf8a48de140a3c666897588a05shiqian 574e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements _, a matcher that matches any value of any 575e35fdd936d133bf8a48de140a3c666897588a05shiqian// type. This is a polymorphic matcher, so we need a template type 576e35fdd936d133bf8a48de140a3c666897588a05shiqian// conversion operator to make it appearing as a Matcher<T> for any 577e35fdd936d133bf8a48de140a3c666897588a05shiqian// type T. 578e35fdd936d133bf8a48de140a3c666897588a05shiqianclass AnythingMatcher { 579e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 580e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 581e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { return A<T>(); } 582e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 583e35fdd936d133bf8a48de140a3c666897588a05shiqian 584e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares a given value with a 585e35fdd936d133bf8a48de140a3c666897588a05shiqian// pre-supplied value using one of the ==, <=, <, etc, operators. The 586e35fdd936d133bf8a48de140a3c666897588a05shiqian// two values being compared don't have to have the same type. 587e35fdd936d133bf8a48de140a3c666897588a05shiqian// 588e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq(5) can be 589e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match an int, a short, a double, etc). Therefore we use 590e35fdd936d133bf8a48de140a3c666897588a05shiqian// a template type conversion operator in the implementation. 591e35fdd936d133bf8a48de140a3c666897588a05shiqian// 592e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 593e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 594e35fdd936d133bf8a48de140a3c666897588a05shiqian// 595e35fdd936d133bf8a48de140a3c666897588a05shiqian// The following template definition assumes that the Rhs parameter is 596e35fdd936d133bf8a48de140a3c666897588a05shiqian// a "bare" type (i.e. neither 'const T' nor 'T&'). 597e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON_MATCHER_(name, op, relation) \ 598e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Rhs> class name##Matcher { \ 599e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 600e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit name##Matcher(const Rhs& rhs) : rhs_(rhs) {} \ 601e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 602e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Lhs>() const { \ 603e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Lhs>(rhs_)); \ 604e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 605e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 606e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Lhs> \ 607e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Lhs> { \ 608e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 609e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const Rhs& rhs) : rhs_(rhs) {} \ 610e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(Lhs lhs) const { return lhs op rhs_; } \ 611e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 612e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is " relation " "; \ 613e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Rhs>::Print(rhs_, os); \ 614e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 615e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 616e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is not " relation " "; \ 617e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Rhs>::Print(rhs_, os); \ 618e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 619e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 620e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 621e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 622e35fdd936d133bf8a48de140a3c666897588a05shiqian Rhs rhs_; \ 623e35fdd936d133bf8a48de140a3c666897588a05shiqian } 624e35fdd936d133bf8a48de140a3c666897588a05shiqian 625e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(v), Ge(v), Gt(v), Le(v), Lt(v), and Ne(v) 626e35fdd936d133bf8a48de140a3c666897588a05shiqian// respectively. 627e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Eq, ==, "equal to"); 628e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ge, >=, "greater than or equal to"); 629e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Gt, >, "greater than"); 630e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Le, <=, "less than or equal to"); 631e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Lt, <, "less than"); 632e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wanGMOCK_IMPLEMENT_COMPARISON_MATCHER_(Ne, !=, "not equal to"); 633e35fdd936d133bf8a48de140a3c666897588a05shiqian 634e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON_MATCHER_ 635e35fdd936d133bf8a48de140a3c666897588a05shiqian 6362d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// Implements the polymorphic IsNull() matcher, which matches any 6372d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// pointer that is NULL. 6382d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wanclass IsNullMatcher { 6392d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan public: 6402d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan template <typename T> 6412d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan bool Matches(T* p) const { return p == NULL; } 6422d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 6432d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeTo(::std::ostream* os) const { *os << "is NULL"; } 6442d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 6452d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan *os << "is not NULL"; 6462d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan } 6472d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan}; 6482d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 649e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic NotNull() matcher, which matches any 650e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointer that is not NULL. 651e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotNullMatcher { 652e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 653e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 654e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(T* p) const { return p != NULL; } 655e35fdd936d133bf8a48de140a3c666897588a05shiqian 656e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { *os << "is not NULL"; } 657e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 658e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NULL"; 659e35fdd936d133bf8a48de140a3c666897588a05shiqian } 660e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 661e35fdd936d133bf8a48de140a3c666897588a05shiqian 662e35fdd936d133bf8a48de140a3c666897588a05shiqian// Ref(variable) matches any argument that is a reference to 663e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'variable'. This matcher is polymorphic as it can match any 664e35fdd936d133bf8a48de140a3c666897588a05shiqian// super type of the type of 'variable'. 665e35fdd936d133bf8a48de140a3c666897588a05shiqian// 666e35fdd936d133bf8a48de140a3c666897588a05shiqian// The RefMatcher template class implements Ref(variable). It can 667e35fdd936d133bf8a48de140a3c666897588a05shiqian// only be instantiated with a reference type. This prevents a user 668e35fdd936d133bf8a48de140a3c666897588a05shiqian// from mistakenly using Ref(x) to match a non-reference function 669e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument. For example, the following will righteously cause a 670e35fdd936d133bf8a48de140a3c666897588a05shiqian// compiler error: 671e35fdd936d133bf8a48de140a3c666897588a05shiqian// 672e35fdd936d133bf8a48de140a3c666897588a05shiqian// int n; 673e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int> m1 = Ref(n); // This won't compile. 674e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matcher<int&> m2 = Ref(n); // This will compile. 675e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 676e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher; 677e35fdd936d133bf8a48de140a3c666897588a05shiqian 678e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 679e35fdd936d133bf8a48de140a3c666897588a05shiqianclass RefMatcher<T&> { 680e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Mock is a generic framework and thus needs to support 681e35fdd936d133bf8a48de140a3c666897588a05shiqian // mocking any function types, including those that take non-const 682e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference arguments. Therefore the template parameter T (and 683e35fdd936d133bf8a48de140a3c666897588a05shiqian // Super below) can be instantiated to either a const type or a 684e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const type. 685e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 686e35fdd936d133bf8a48de140a3c666897588a05shiqian // RefMatcher() takes a T& instead of const T&, as we want the 687e35fdd936d133bf8a48de140a3c666897588a05shiqian // compiler to catch using Ref(const_value) as a matcher for a 688e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference. 689e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit RefMatcher(T& x) : object_(x) {} // NOLINT 690e35fdd936d133bf8a48de140a3c666897588a05shiqian 691e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 692e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Super&>() const { 693e35fdd936d133bf8a48de140a3c666897588a05shiqian // By passing object_ (type T&) to Impl(), which expects a Super&, 694e35fdd936d133bf8a48de140a3c666897588a05shiqian // we make sure that Super is a super type of T. In particular, 695e35fdd936d133bf8a48de140a3c666897588a05shiqian // this catches using Ref(const_value) as a matcher for a 696e35fdd936d133bf8a48de140a3c666897588a05shiqian // non-const reference, as you cannot implicitly convert a const 697e35fdd936d133bf8a48de140a3c666897588a05shiqian // reference to a non-const reference. 698e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Super>(object_)); 699e35fdd936d133bf8a48de140a3c666897588a05shiqian } 700e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 701e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Super> 702e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Super&> { 703e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 704e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(Super& x) : object_(x) {} // NOLINT 705e35fdd936d133bf8a48de140a3c666897588a05shiqian 706e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matches() takes a Super& (as opposed to const Super&) in 707e35fdd936d133bf8a48de140a3c666897588a05shiqian // order to match the interface MatcherInterface<Super&>. 708e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(Super& x) const { return &x == &object_; } // NOLINT 709e35fdd936d133bf8a48de140a3c666897588a05shiqian 710e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 711e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "references the variable "; 712e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 713e35fdd936d133bf8a48de140a3c666897588a05shiqian } 714e35fdd936d133bf8a48de140a3c666897588a05shiqian 715e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 716e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not reference the variable "; 717e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<Super&>::Print(object_, os); 718e35fdd936d133bf8a48de140a3c666897588a05shiqian } 719e35fdd936d133bf8a48de140a3c666897588a05shiqian 720e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void ExplainMatchResultTo(Super& x, // NOLINT 721e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::ostream* os) const { 722e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is located @" << static_cast<const void*>(&x); 723e35fdd936d133bf8a48de140a3c666897588a05shiqian } 724e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 725e35fdd936d133bf8a48de140a3c666897588a05shiqian const Super& object_; 726e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 727e35fdd936d133bf8a48de140a3c666897588a05shiqian 728e35fdd936d133bf8a48de140a3c666897588a05shiqian T& object_; 729e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 730e35fdd936d133bf8a48de140a3c666897588a05shiqian 731e35fdd936d133bf8a48de140a3c666897588a05shiqian// Polymorphic helper functions for narrow and wide string matchers. 732e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const char* lhs, const char* rhs) { 733e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveCStringEquals(lhs, rhs); 734e35fdd936d133bf8a48de140a3c666897588a05shiqian} 735e35fdd936d133bf8a48de140a3c666897588a05shiqian 736e35fdd936d133bf8a48de140a3c666897588a05shiqianinline bool CaseInsensitiveCStringEquals(const wchar_t* lhs, 737e35fdd936d133bf8a48de140a3c666897588a05shiqian const wchar_t* rhs) { 738e35fdd936d133bf8a48de140a3c666897588a05shiqian return String::CaseInsensitiveWideCStringEquals(lhs, rhs); 739e35fdd936d133bf8a48de140a3c666897588a05shiqian} 740e35fdd936d133bf8a48de140a3c666897588a05shiqian 741e35fdd936d133bf8a48de140a3c666897588a05shiqian// String comparison for narrow or wide strings that can have embedded NUL 742e35fdd936d133bf8a48de140a3c666897588a05shiqian// characters. 743e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 744e35fdd936d133bf8a48de140a3c666897588a05shiqianbool CaseInsensitiveStringEquals(const StringType& s1, 745e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType& s2) { 746e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the heads equal? 747e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!CaseInsensitiveCStringEquals(s1.c_str(), s2.c_str())) { 748e35fdd936d133bf8a48de140a3c666897588a05shiqian return false; 749e35fdd936d133bf8a48de140a3c666897588a05shiqian } 750e35fdd936d133bf8a48de140a3c666897588a05shiqian 751e35fdd936d133bf8a48de140a3c666897588a05shiqian // Skip the equal heads. 752e35fdd936d133bf8a48de140a3c666897588a05shiqian const typename StringType::value_type nul = 0; 753e35fdd936d133bf8a48de140a3c666897588a05shiqian const size_t i1 = s1.find(nul), i2 = s2.find(nul); 754e35fdd936d133bf8a48de140a3c666897588a05shiqian 755e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are we at the end of either s1 or s2? 756e35fdd936d133bf8a48de140a3c666897588a05shiqian if (i1 == StringType::npos || i2 == StringType::npos) { 757e35fdd936d133bf8a48de140a3c666897588a05shiqian return i1 == i2; 758e35fdd936d133bf8a48de140a3c666897588a05shiqian } 759e35fdd936d133bf8a48de140a3c666897588a05shiqian 760e35fdd936d133bf8a48de140a3c666897588a05shiqian // Are the tails equal? 761e35fdd936d133bf8a48de140a3c666897588a05shiqian return CaseInsensitiveStringEquals(s1.substr(i1 + 1), s2.substr(i2 + 1)); 762e35fdd936d133bf8a48de140a3c666897588a05shiqian} 763e35fdd936d133bf8a48de140a3c666897588a05shiqian 764e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 765e35fdd936d133bf8a48de140a3c666897588a05shiqian 766e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements equality-based string matchers like StrEq, StrCaseNe, and etc. 767e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 768e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StrEqualityMatcher { 769e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 770e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 771e35fdd936d133bf8a48de140a3c666897588a05shiqian 772e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEqualityMatcher(const StringType& str, bool expect_eq, 773e35fdd936d133bf8a48de140a3c666897588a05shiqian bool case_sensitive) 774e35fdd936d133bf8a48de140a3c666897588a05shiqian : string_(str), expect_eq_(expect_eq), case_sensitive_(case_sensitive) {} 775e35fdd936d133bf8a48de140a3c666897588a05shiqian 776e35fdd936d133bf8a48de140a3c666897588a05shiqian // When expect_eq_ is true, returns true iff s is equal to string_; 777e35fdd936d133bf8a48de140a3c666897588a05shiqian // otherwise returns true iff s is not equal to string_. 778e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(ConstCharPointer s) const { 779e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s == NULL) { 780e35fdd936d133bf8a48de140a3c666897588a05shiqian return !expect_eq_; 781e35fdd936d133bf8a48de140a3c666897588a05shiqian } 782e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matches(StringType(s)); 783e35fdd936d133bf8a48de140a3c666897588a05shiqian } 784e35fdd936d133bf8a48de140a3c666897588a05shiqian 785e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const StringType& s) const { 786e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool eq = case_sensitive_ ? s == string_ : 787e35fdd936d133bf8a48de140a3c666897588a05shiqian CaseInsensitiveStringEquals(s, string_); 788e35fdd936d133bf8a48de140a3c666897588a05shiqian return expect_eq_ == eq; 789e35fdd936d133bf8a48de140a3c666897588a05shiqian } 790e35fdd936d133bf8a48de140a3c666897588a05shiqian 791e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 792e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(expect_eq_, os); 793e35fdd936d133bf8a48de140a3c666897588a05shiqian } 794e35fdd936d133bf8a48de140a3c666897588a05shiqian 795e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 796e35fdd936d133bf8a48de140a3c666897588a05shiqian DescribeToHelper(!expect_eq_, os); 797e35fdd936d133bf8a48de140a3c666897588a05shiqian } 798e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 799e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeToHelper(bool expect_eq, ::std::ostream* os) const { 800e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is "; 801e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!expect_eq) { 802e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "not "; 803e35fdd936d133bf8a48de140a3c666897588a05shiqian } 804e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "equal to "; 805e35fdd936d133bf8a48de140a3c666897588a05shiqian if (!case_sensitive_) { 806e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "(ignoring case) "; 807e35fdd936d133bf8a48de140a3c666897588a05shiqian } 808e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(string_, os); 809e35fdd936d133bf8a48de140a3c666897588a05shiqian } 810e35fdd936d133bf8a48de140a3c666897588a05shiqian 811e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType string_; 812e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool expect_eq_; 813e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool case_sensitive_; 814e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 815e35fdd936d133bf8a48de140a3c666897588a05shiqian 816e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic HasSubstr(substring) matcher, which 817e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 818e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 819e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 820e35fdd936d133bf8a48de140a3c666897588a05shiqianclass HasSubstrMatcher { 821e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 822e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 823e35fdd936d133bf8a48de140a3c666897588a05shiqian 824e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit HasSubstrMatcher(const StringType& substring) 825e35fdd936d133bf8a48de140a3c666897588a05shiqian : substring_(substring) {} 826e35fdd936d133bf8a48de140a3c666897588a05shiqian 827e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow HasSubstr(substring) to be used as a 828e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 829e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s contains substring_ as a substring. 830e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(ConstCharPointer s) const { 831e35fdd936d133bf8a48de140a3c666897588a05shiqian return s != NULL && Matches(StringType(s)); 832e35fdd936d133bf8a48de140a3c666897588a05shiqian } 833e35fdd936d133bf8a48de140a3c666897588a05shiqian 834e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const StringType& s) const { 835e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.find(substring_) != StringType::npos; 836e35fdd936d133bf8a48de140a3c666897588a05shiqian } 837e35fdd936d133bf8a48de140a3c666897588a05shiqian 838e35fdd936d133bf8a48de140a3c666897588a05shiqian // Describes what this matcher matches. 839e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 840e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has substring "; 841e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(substring_, os); 842e35fdd936d133bf8a48de140a3c666897588a05shiqian } 843e35fdd936d133bf8a48de140a3c666897588a05shiqian 844e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 845e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "has no substring "; 846e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(substring_, os); 847e35fdd936d133bf8a48de140a3c666897588a05shiqian } 848e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 849e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType substring_; 850e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 851e35fdd936d133bf8a48de140a3c666897588a05shiqian 852e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic StartsWith(substring) matcher, which 853e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 854e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 855e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 856e35fdd936d133bf8a48de140a3c666897588a05shiqianclass StartsWithMatcher { 857e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 858e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 859e35fdd936d133bf8a48de140a3c666897588a05shiqian 860e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit StartsWithMatcher(const StringType& prefix) : prefix_(prefix) { 861e35fdd936d133bf8a48de140a3c666897588a05shiqian } 862e35fdd936d133bf8a48de140a3c666897588a05shiqian 863e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow StartsWith(prefix) to be used as a 864e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 865e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s starts with prefix_. 866e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(ConstCharPointer s) const { 867e35fdd936d133bf8a48de140a3c666897588a05shiqian return s != NULL && Matches(StringType(s)); 868e35fdd936d133bf8a48de140a3c666897588a05shiqian } 869e35fdd936d133bf8a48de140a3c666897588a05shiqian 870e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const StringType& s) const { 871e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= prefix_.length() && 872e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(0, prefix_.length()) == prefix_; 873e35fdd936d133bf8a48de140a3c666897588a05shiqian } 874e35fdd936d133bf8a48de140a3c666897588a05shiqian 875e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 876e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "starts with "; 877e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(prefix_, os); 878e35fdd936d133bf8a48de140a3c666897588a05shiqian } 879e35fdd936d133bf8a48de140a3c666897588a05shiqian 880e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 881e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't start with "; 882e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(prefix_, os); 883e35fdd936d133bf8a48de140a3c666897588a05shiqian } 884e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 885e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType prefix_; 886e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 887e35fdd936d133bf8a48de140a3c666897588a05shiqian 888e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic EndsWith(substring) matcher, which 889e35fdd936d133bf8a48de140a3c666897588a05shiqian// can be used as a Matcher<T> as long as T can be converted to a 890e35fdd936d133bf8a48de140a3c666897588a05shiqian// string. 891e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename StringType> 892e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EndsWithMatcher { 893e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 894e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename StringType::const_pointer ConstCharPointer; 895e35fdd936d133bf8a48de140a3c666897588a05shiqian 896e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit EndsWithMatcher(const StringType& suffix) : suffix_(suffix) {} 897e35fdd936d133bf8a48de140a3c666897588a05shiqian 898e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow EndsWith(suffix) to be used as a 899e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<T> as long as T can be converted to string. Returns true 900e35fdd936d133bf8a48de140a3c666897588a05shiqian // iff s ends with suffix_. 901e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(ConstCharPointer s) const { 902e35fdd936d133bf8a48de140a3c666897588a05shiqian return s != NULL && Matches(StringType(s)); 903e35fdd936d133bf8a48de140a3c666897588a05shiqian } 904e35fdd936d133bf8a48de140a3c666897588a05shiqian 905e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const StringType& s) const { 906e35fdd936d133bf8a48de140a3c666897588a05shiqian return s.length() >= suffix_.length() && 907e35fdd936d133bf8a48de140a3c666897588a05shiqian s.substr(s.length() - suffix_.length()) == suffix_; 908e35fdd936d133bf8a48de140a3c666897588a05shiqian } 909e35fdd936d133bf8a48de140a3c666897588a05shiqian 910e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 911e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "ends with "; 912e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(suffix_, os); 913e35fdd936d133bf8a48de140a3c666897588a05shiqian } 914e35fdd936d133bf8a48de140a3c666897588a05shiqian 915e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 916e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't end with "; 917e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<StringType>::Print(suffix_, os); 918e35fdd936d133bf8a48de140a3c666897588a05shiqian } 919e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 920e35fdd936d133bf8a48de140a3c666897588a05shiqian const StringType suffix_; 921e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 922e35fdd936d133bf8a48de140a3c666897588a05shiqian 923e35fdd936d133bf8a48de140a3c666897588a05shiqian#if GMOCK_HAS_REGEX 924e35fdd936d133bf8a48de140a3c666897588a05shiqian 925e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements polymorphic matchers MatchesRegex(regex) and 926e35fdd936d133bf8a48de140a3c666897588a05shiqian// ContainsRegex(regex), which can be used as a Matcher<T> as long as 927e35fdd936d133bf8a48de140a3c666897588a05shiqian// T can be converted to a string. 928e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatchesRegexMatcher { 929e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 930e35fdd936d133bf8a48de140a3c666897588a05shiqian MatchesRegexMatcher(const RE* regex, bool full_match) 931e35fdd936d133bf8a48de140a3c666897588a05shiqian : regex_(regex), full_match_(full_match) {} 932e35fdd936d133bf8a48de140a3c666897588a05shiqian 933e35fdd936d133bf8a48de140a3c666897588a05shiqian // These overloaded methods allow MatchesRegex(regex) to be used as 934e35fdd936d133bf8a48de140a3c666897588a05shiqian // a Matcher<T> as long as T can be converted to string. Returns 935e35fdd936d133bf8a48de140a3c666897588a05shiqian // true iff s matches regular expression regex. When full_match_ is 936e35fdd936d133bf8a48de140a3c666897588a05shiqian // true, a full match is done; otherwise a partial match is done. 937e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const char* s) const { 938e35fdd936d133bf8a48de140a3c666897588a05shiqian return s != NULL && Matches(internal::string(s)); 939e35fdd936d133bf8a48de140a3c666897588a05shiqian } 940e35fdd936d133bf8a48de140a3c666897588a05shiqian 941e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const internal::string& s) const { 942e35fdd936d133bf8a48de140a3c666897588a05shiqian return full_match_ ? RE::FullMatch(s, *regex_) : 943e35fdd936d133bf8a48de140a3c666897588a05shiqian RE::PartialMatch(s, *regex_); 944e35fdd936d133bf8a48de140a3c666897588a05shiqian } 945e35fdd936d133bf8a48de140a3c666897588a05shiqian 946e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 947e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << (full_match_ ? "matches" : "contains") 948e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 949e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 950e35fdd936d133bf8a48de140a3c666897588a05shiqian } 951e35fdd936d133bf8a48de140a3c666897588a05shiqian 952e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 953e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't " << (full_match_ ? "match" : "contain") 954e35fdd936d133bf8a48de140a3c666897588a05shiqian << " regular expression "; 955e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<internal::string>::Print(regex_->pattern(), os); 956e35fdd936d133bf8a48de140a3c666897588a05shiqian } 957e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 958e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::linked_ptr<const RE> regex_; 959e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool full_match_; 960e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 961e35fdd936d133bf8a48de140a3c666897588a05shiqian 962e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_HAS_REGEX 963e35fdd936d133bf8a48de140a3c666897588a05shiqian 964e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements a matcher that compares the two fields of a 2-tuple 965e35fdd936d133bf8a48de140a3c666897588a05shiqian// using one of the ==, <=, <, etc, operators. The two fields being 966e35fdd936d133bf8a48de140a3c666897588a05shiqian// compared don't have to have the same type. 967e35fdd936d133bf8a48de140a3c666897588a05shiqian// 968e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher defined here is polymorphic (for example, Eq() can be 969e35fdd936d133bf8a48de140a3c666897588a05shiqian// used to match a tuple<int, short>, a tuple<const long&, double>, 970e35fdd936d133bf8a48de140a3c666897588a05shiqian// etc). Therefore we use a template type conversion operator in the 971e35fdd936d133bf8a48de140a3c666897588a05shiqian// implementation. 972e35fdd936d133bf8a48de140a3c666897588a05shiqian// 973e35fdd936d133bf8a48de140a3c666897588a05shiqian// We define this as a macro in order to eliminate duplicated source 974e35fdd936d133bf8a48de140a3c666897588a05shiqian// code. 9752661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan#define GMOCK_IMPLEMENT_COMPARISON2_MATCHER_(name, op) \ 976e35fdd936d133bf8a48de140a3c666897588a05shiqian class name##2Matcher { \ 977e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 978e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 979e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const ::std::tr1::tuple<T1, T2>&>() const { \ 980e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<T1, T2>); \ 981e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 982e35fdd936d133bf8a48de140a3c666897588a05shiqian private: \ 983e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T1, typename T2> \ 984e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<const ::std::tr1::tuple<T1, T2>&> { \ 985e35fdd936d133bf8a48de140a3c666897588a05shiqian public: \ 986e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(const ::std::tr1::tuple<T1, T2>& args) const { \ 987e35fdd936d133bf8a48de140a3c666897588a05shiqian return ::std::tr1::get<0>(args) op ::std::tr1::get<1>(args); \ 988e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 989e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { \ 9902661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan *os << "are a pair (x, y) where x " #op " y"; \ 991e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 992e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { \ 9932661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wan *os << "are a pair (x, y) where x " #op " y is false"; \ 994e35fdd936d133bf8a48de140a3c666897588a05shiqian } \ 995e35fdd936d133bf8a48de140a3c666897588a05shiqian }; \ 996e35fdd936d133bf8a48de140a3c666897588a05shiqian } 997e35fdd936d133bf8a48de140a3c666897588a05shiqian 998e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements Eq(), Ge(), Gt(), Le(), Lt(), and Ne() respectively. 9992661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Eq, ==); 10002661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ge, >=); 10012661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Gt, >); 10022661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Le, <=); 10032661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Lt, <); 10042661c6821a4d7964697e48747c4d739e1ac3a243zhanyong.wanGMOCK_IMPLEMENT_COMPARISON2_MATCHER_(Ne, !=); 1005e35fdd936d133bf8a48de140a3c666897588a05shiqian 1006e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan#undef GMOCK_IMPLEMENT_COMPARISON2_MATCHER_ 1007e35fdd936d133bf8a48de140a3c666897588a05shiqian 1008c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the Not(...) matcher for a particular argument type T. 1009c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// We do not nest it inside the NotMatcher class template, as that 1010c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// will prevent different instantiations of NotMatcher from sharing 1011c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// the same NotMatcherImpl<T> class. 1012c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1013c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass NotMatcherImpl : public MatcherInterface<T> { 1014c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1015c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan explicit NotMatcherImpl(const Matcher<T>& matcher) 1016c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher_(matcher) {} 1017c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1018c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual bool Matches(T x) const { 1019c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return !matcher_.Matches(x); 1020c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1021c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1022c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1023c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeNegationTo(os); 1024c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1025c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1026c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1027c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.DescribeTo(os); 1028c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1029c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1030c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void ExplainMatchResultTo(T x, ::std::ostream* os) const { 1031c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher_.ExplainMatchResultTo(x, os); 1032c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1033c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1034c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher_; 1035c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1036c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1037e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Not(m) matcher, which matches a value that doesn't 1038e35fdd936d133bf8a48de140a3c666897588a05shiqian// match matcher m. 1039e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1040e35fdd936d133bf8a48de140a3c666897588a05shiqianclass NotMatcher { 1041e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1042e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit NotMatcher(InnerMatcher matcher) : matcher_(matcher) {} 1043e35fdd936d133bf8a48de140a3c666897588a05shiqian 1044e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows Not(m) to be used 1045e35fdd936d133bf8a48de140a3c666897588a05shiqian // to match any type m can match. 1046e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1047e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1048c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new NotMatcherImpl<T>(SafeMatcherCast<T>(matcher_))); 1049e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1050e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1051c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan InnerMatcher matcher_; 1052c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1053e35fdd936d133bf8a48de140a3c666897588a05shiqian 1054c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AllOf(m1, m2) matcher for a particular argument type 1055c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the BothOfMatcher class template, as 1056c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of BothOfMatcher from 1057c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same BothOfMatcherImpl<T> class. 1058c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1059c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass BothOfMatcherImpl : public MatcherInterface<T> { 1060c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1061c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan BothOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1062c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1063e35fdd936d133bf8a48de140a3c666897588a05shiqian 1064c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual bool Matches(T x) const { 1065c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return matcher1_.Matches(x) && matcher2_.Matches(x); 1066c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1067e35fdd936d133bf8a48de140a3c666897588a05shiqian 1068c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1069c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1070c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1071c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") and ("; 1072c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1073c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1074c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1075e35fdd936d133bf8a48de140a3c666897588a05shiqian 1076c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1077c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "not "; 1078c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan DescribeTo(os); 1079c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1080e35fdd936d133bf8a48de140a3c666897588a05shiqian 1081c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void ExplainMatchResultTo(T x, ::std::ostream* os) const { 1082c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (Matches(x)) { 1083c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // When both matcher1_ and matcher2_ match x, we need to 1084c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // explain why *both* of them match. 1085c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan ::std::stringstream ss1; 1086c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.ExplainMatchResultTo(x, &ss1); 1087c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const internal::string s1 = ss1.str(); 1088c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1089c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan ::std::stringstream ss2; 1090c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.ExplainMatchResultTo(x, &ss2); 1091c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const internal::string s2 = ss2.str(); 1092c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1093c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (s1 == "") { 1094c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << s2; 1095c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1096c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << s1; 1097c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (s2 != "") { 1098c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "; " << s2; 1099c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1100c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1101c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1102c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // Otherwise we only need to explain why *one* of them fails 1103c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // to match. 1104c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (!matcher1_.Matches(x)) { 1105c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.ExplainMatchResultTo(x, os); 1106c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1107c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.ExplainMatchResultTo(x, os); 1108c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1109c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1110c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1111c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1112c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1113c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 1114e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1115e35fdd936d133bf8a48de140a3c666897588a05shiqian 1116e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AllOf(m_1, ..., m_n) matcher, which 1117e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches all of the matchers m_1, ..., and m_n. 1118e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1119e35fdd936d133bf8a48de140a3c666897588a05shiqianclass BothOfMatcher { 1120e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1121e35fdd936d133bf8a48de140a3c666897588a05shiqian BothOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1122e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1123e35fdd936d133bf8a48de140a3c666897588a05shiqian 1124e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1125e35fdd936d133bf8a48de140a3c666897588a05shiqian // BothOfMatcher<Matcher1, Matcher2> object to match any type that 1126e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1127e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1128e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1129c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return Matcher<T>(new BothOfMatcherImpl<T>(SafeMatcherCast<T>(matcher1_), 1130c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan SafeMatcherCast<T>(matcher2_))); 1131e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1132e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1133c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher1 matcher1_; 1134c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan Matcher2 matcher2_; 1135c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan}; 1136e35fdd936d133bf8a48de140a3c666897588a05shiqian 1137c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// Implements the AnyOf(m1, m2) matcher for a particular argument type 1138c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// T. We do not nest it inside the AnyOfMatcher class template, as 1139c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// that will prevent different instantiations of AnyOfMatcher from 1140c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan// sharing the same EitherOfMatcherImpl<T> class. 1141c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wantemplate <typename T> 1142c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wanclass EitherOfMatcherImpl : public MatcherInterface<T> { 1143c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan public: 1144c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan EitherOfMatcherImpl(const Matcher<T>& matcher1, const Matcher<T>& matcher2) 1145c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan : matcher1_(matcher1), matcher2_(matcher2) {} 1146e35fdd936d133bf8a48de140a3c666897588a05shiqian 1147c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual bool Matches(T x) const { 1148c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan return matcher1_.Matches(x) || matcher2_.Matches(x); 1149c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1150e35fdd936d133bf8a48de140a3c666897588a05shiqian 1151c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1152c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "("; 1153c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.DescribeTo(os); 1154c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ") or ("; 1155c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.DescribeTo(os); 1156c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << ")"; 1157c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1158e35fdd936d133bf8a48de140a3c666897588a05shiqian 1159c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1160c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "not "; 1161c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan DescribeTo(os); 1162c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1163c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1164c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan virtual void ExplainMatchResultTo(T x, ::std::ostream* os) const { 1165c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (Matches(x)) { 1166c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // If either matcher1_ or matcher2_ matches x, we just need 1167c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // to explain why *one* of them matches. 1168c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (matcher1_.Matches(x)) { 1169c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.ExplainMatchResultTo(x, os); 1170e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1171c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.ExplainMatchResultTo(x, os); 1172c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1173c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1174c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan // Otherwise we need to explain why *neither* matches. 1175c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan ::std::stringstream ss1; 1176c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher1_.ExplainMatchResultTo(x, &ss1); 1177c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const internal::string s1 = ss1.str(); 1178c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1179c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan ::std::stringstream ss2; 1180c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan matcher2_.ExplainMatchResultTo(x, &ss2); 1181c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const internal::string s2 = ss2.str(); 1182c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan 1183c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (s1 == "") { 1184c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << s2; 1185c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } else { 1186c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << s1; 1187c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan if (s2 != "") { 1188c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan *os << "; " << s2; 1189e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1190e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1191e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1192c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan } 1193c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan private: 1194c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher1_; 1195c6a412397bc98f120d5e79d4a64e3972854b5af3zhanyong.wan const Matcher<T> matcher2_; 1196e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1197e35fdd936d133bf8a48de140a3c666897588a05shiqian 1198e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing the AnyOf(m_1, ..., m_n) matcher, which 1199e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a value that matches at least one of the matchers m_1, ..., 1200e35fdd936d133bf8a48de140a3c666897588a05shiqian// and m_n. 1201e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 1202e35fdd936d133bf8a48de140a3c666897588a05shiqianclass EitherOfMatcher { 1203e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1204e35fdd936d133bf8a48de140a3c666897588a05shiqian EitherOfMatcher(Matcher1 matcher1, Matcher2 matcher2) 1205e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher1_(matcher1), matcher2_(matcher2) {} 1206e35fdd936d133bf8a48de140a3c666897588a05shiqian 1207e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template type conversion operator allows a 1208e35fdd936d133bf8a48de140a3c666897588a05shiqian // EitherOfMatcher<Matcher1, Matcher2> object to match any type that 1209e35fdd936d133bf8a48de140a3c666897588a05shiqian // both Matcher1 and Matcher2 can match. 1210e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1211e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 121216cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan return Matcher<T>(new EitherOfMatcherImpl<T>( 121316cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan SafeMatcherCast<T>(matcher1_), SafeMatcherCast<T>(matcher2_))); 1214e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1215e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1216e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher1 matcher1_; 1217e35fdd936d133bf8a48de140a3c666897588a05shiqian Matcher2 matcher2_; 1218e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1219e35fdd936d133bf8a48de140a3c666897588a05shiqian 1220e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Truly(pred), which turns a predicate into a 1221e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher. 1222e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 1223e35fdd936d133bf8a48de140a3c666897588a05shiqianclass TrulyMatcher { 1224e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1225e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit TrulyMatcher(Predicate pred) : predicate_(pred) {} 1226e35fdd936d133bf8a48de140a3c666897588a05shiqian 1227e35fdd936d133bf8a48de140a3c666897588a05shiqian // This method template allows Truly(pred) to be used as a matcher 1228e35fdd936d133bf8a48de140a3c666897588a05shiqian // for type T where T is the argument type of predicate 'pred'. The 1229e35fdd936d133bf8a48de140a3c666897588a05shiqian // argument is passed by reference as the predicate may be 1230e35fdd936d133bf8a48de140a3c666897588a05shiqian // interested in the address of the argument. 1231e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 123216cf473930c01cd7a1a51dff65f22c541fbad5b8zhanyong.wan bool Matches(T& x) const { // NOLINT 1233652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1234e35fdd936d133bf8a48de140a3c666897588a05shiqian // MSVC warns about converting a value into bool (warning 4800). 1235e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(push) // Saves the current warning state. 1236e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(disable:4800) // Temporarily disables warning 4800. 1237e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1238e35fdd936d133bf8a48de140a3c666897588a05shiqian return predicate_(x); 1239652540a278e56528e576f9ea77515f386698a326zhanyong.wan#if GTEST_OS_WINDOWS 1240e35fdd936d133bf8a48de140a3c666897588a05shiqian#pragma warning(pop) // Restores the warning state. 1241e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_OS_WINDOWS 1242e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1243e35fdd936d133bf8a48de140a3c666897588a05shiqian 1244e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1245e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "satisfies the given predicate"; 1246e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1247e35fdd936d133bf8a48de140a3c666897588a05shiqian 1248e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1249e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "doesn't satisfy the given predicate"; 1250e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1251e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1252e35fdd936d133bf8a48de140a3c666897588a05shiqian Predicate predicate_; 1253e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1254e35fdd936d133bf8a48de140a3c666897588a05shiqian 1255e35fdd936d133bf8a48de140a3c666897588a05shiqian// Used for implementing Matches(matcher), which turns a matcher into 1256e35fdd936d133bf8a48de140a3c666897588a05shiqian// a predicate. 1257e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1258e35fdd936d133bf8a48de140a3c666897588a05shiqianclass MatcherAsPredicate { 1259e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1260e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit MatcherAsPredicate(M matcher) : matcher_(matcher) {} 1261e35fdd936d133bf8a48de140a3c666897588a05shiqian 1262e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template operator() allows Matches(m) to be used as a 1263e35fdd936d133bf8a48de140a3c666897588a05shiqian // predicate on type T where m is a matcher on type T. 1264e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1265e35fdd936d133bf8a48de140a3c666897588a05shiqian // The argument x is passed by reference instead of by value, as 1266e35fdd936d133bf8a48de140a3c666897588a05shiqian // some matcher may be interested in its address (e.g. as in 1267e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matches(Ref(n))(x)). 1268e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1269e35fdd936d133bf8a48de140a3c666897588a05shiqian bool operator()(const T& x) const { 1270e35fdd936d133bf8a48de140a3c666897588a05shiqian // We let matcher_ commit to a particular type here instead of 1271e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the MatcherAsPredicate object was constructed. This 1272e35fdd936d133bf8a48de140a3c666897588a05shiqian // allows us to write Matches(m) where m is a polymorphic matcher 1273e35fdd936d133bf8a48de140a3c666897588a05shiqian // (e.g. Eq(5)). 1274e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1275e35fdd936d133bf8a48de140a3c666897588a05shiqian // If we write Matcher<T>(matcher_).Matches(x) here, it won't 1276e35fdd936d133bf8a48de140a3c666897588a05shiqian // compile when matcher_ has type Matcher<const T&>; if we write 1277e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_).Matches(x) here, it won't compile 1278e35fdd936d133bf8a48de140a3c666897588a05shiqian // when matcher_ has type Matcher<T>; if we just write 1279e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_.Matches(x), it won't compile when matcher_ is 1280e35fdd936d133bf8a48de140a3c666897588a05shiqian // polymorphic, e.g. Eq(5). 1281e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1282e35fdd936d133bf8a48de140a3c666897588a05shiqian // MatcherCast<const T&>() is necessary for making the code work 1283e35fdd936d133bf8a48de140a3c666897588a05shiqian // in all of the above situations. 1284e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatcherCast<const T&>(matcher_).Matches(x); 1285e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1286e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1287e35fdd936d133bf8a48de140a3c666897588a05shiqian M matcher_; 1288e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1289e35fdd936d133bf8a48de140a3c666897588a05shiqian 1290e35fdd936d133bf8a48de140a3c666897588a05shiqian// For implementing ASSERT_THAT() and EXPECT_THAT(). The template 1291e35fdd936d133bf8a48de140a3c666897588a05shiqian// argument M must be a type that can be converted to a matcher. 1292e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1293e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PredicateFormatterFromMatcher { 1294e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1295e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PredicateFormatterFromMatcher(const M& m) : matcher_(m) {} 1296e35fdd936d133bf8a48de140a3c666897588a05shiqian 1297e35fdd936d133bf8a48de140a3c666897588a05shiqian // This template () operator allows a PredicateFormatterFromMatcher 1298e35fdd936d133bf8a48de140a3c666897588a05shiqian // object to act as a predicate-formatter suitable for using with 1299e35fdd936d133bf8a48de140a3c666897588a05shiqian // Google Test's EXPECT_PRED_FORMAT1() macro. 1300e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1301e35fdd936d133bf8a48de140a3c666897588a05shiqian AssertionResult operator()(const char* value_text, const T& x) const { 1302e35fdd936d133bf8a48de140a3c666897588a05shiqian // We convert matcher_ to a Matcher<const T&> *now* instead of 1303e35fdd936d133bf8a48de140a3c666897588a05shiqian // when the PredicateFormatterFromMatcher object was constructed, 1304e35fdd936d133bf8a48de140a3c666897588a05shiqian // as matcher_ may be polymorphic (e.g. NotNull()) and we won't 1305e35fdd936d133bf8a48de140a3c666897588a05shiqian // know which type to instantiate it to until we actually see the 1306e35fdd936d133bf8a48de140a3c666897588a05shiqian // type of x here. 1307e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1308e35fdd936d133bf8a48de140a3c666897588a05shiqian // We write MatcherCast<const T&>(matcher_) instead of 1309e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const T&>(matcher_), as the latter won't compile when 1310e35fdd936d133bf8a48de140a3c666897588a05shiqian // matcher_ has type Matcher<T> (e.g. An<int>()). 1311e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const T&> matcher = MatcherCast<const T&>(matcher_); 1312e35fdd936d133bf8a48de140a3c666897588a05shiqian if (matcher.Matches(x)) { 1313e35fdd936d133bf8a48de140a3c666897588a05shiqian return AssertionSuccess(); 1314e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1315e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream ss; 1316e35fdd936d133bf8a48de140a3c666897588a05shiqian ss << "Value of: " << value_text << "\n" 1317e35fdd936d133bf8a48de140a3c666897588a05shiqian << "Expected: "; 1318e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher.DescribeTo(&ss); 1319e35fdd936d133bf8a48de140a3c666897588a05shiqian ss << "\n Actual: "; 1320e35fdd936d133bf8a48de140a3c666897588a05shiqian UniversalPrinter<T>::Print(x, &ss); 1321e35fdd936d133bf8a48de140a3c666897588a05shiqian ExplainMatchResultAsNeededTo<const T&>(matcher, x, &ss); 1322e35fdd936d133bf8a48de140a3c666897588a05shiqian return AssertionFailure(Message() << ss.str()); 1323e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1324e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1325e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1326e35fdd936d133bf8a48de140a3c666897588a05shiqian const M matcher_; 1327e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1328e35fdd936d133bf8a48de140a3c666897588a05shiqian 1329e35fdd936d133bf8a48de140a3c666897588a05shiqian// A helper function for converting a matcher to a predicate-formatter 1330e35fdd936d133bf8a48de140a3c666897588a05shiqian// without the user needing to explicitly write the type. This is 1331e35fdd936d133bf8a48de140a3c666897588a05shiqian// used for implementing ASSERT_THAT() and EXPECT_THAT(). 1332e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 1333e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PredicateFormatterFromMatcher<M> 1334e35fdd936d133bf8a48de140a3c666897588a05shiqianMakePredicateFormatterFromMatcher(const M& matcher) { 1335e35fdd936d133bf8a48de140a3c666897588a05shiqian return PredicateFormatterFromMatcher<M>(matcher); 1336e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1337e35fdd936d133bf8a48de140a3c666897588a05shiqian 1338e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the polymorphic floating point equality matcher, which 1339e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches two float values using ULP-based approximation. The 1340e35fdd936d133bf8a48de140a3c666897588a05shiqian// template is meant to be instantiated with FloatType being either 1341e35fdd936d133bf8a48de140a3c666897588a05shiqian// float or double. 1342e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename FloatType> 1343e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FloatingEqMatcher { 1344e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1345e35fdd936d133bf8a48de140a3c666897588a05shiqian // Constructor for FloatingEqMatcher. 1346e35fdd936d133bf8a48de140a3c666897588a05shiqian // The matcher's input will be compared with rhs. The matcher treats two 1347e35fdd936d133bf8a48de140a3c666897588a05shiqian // NANs as equal if nan_eq_nan is true. Otherwise, under IEEE standards, 1348e35fdd936d133bf8a48de140a3c666897588a05shiqian // equality comparisons between NANs will always return false. 1349e35fdd936d133bf8a48de140a3c666897588a05shiqian FloatingEqMatcher(FloatType rhs, bool nan_eq_nan) : 1350e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1351e35fdd936d133bf8a48de140a3c666897588a05shiqian 1352e35fdd936d133bf8a48de140a3c666897588a05shiqian // Implements floating point equality matcher as a Matcher<T>. 1353e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1354e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1355e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1356e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(FloatType rhs, bool nan_eq_nan) : 1357e35fdd936d133bf8a48de140a3c666897588a05shiqian rhs_(rhs), nan_eq_nan_(nan_eq_nan) {} 1358e35fdd936d133bf8a48de140a3c666897588a05shiqian 1359e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(T value) const { 1360e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatingPoint<FloatType> lhs(value), rhs(rhs_); 1361e35fdd936d133bf8a48de140a3c666897588a05shiqian 1362e35fdd936d133bf8a48de140a3c666897588a05shiqian // Compares NaNs first, if nan_eq_nan_ is true. 1363e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_ && lhs.is_nan()) { 1364e35fdd936d133bf8a48de140a3c666897588a05shiqian return rhs.is_nan(); 1365e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1366e35fdd936d133bf8a48de140a3c666897588a05shiqian 1367e35fdd936d133bf8a48de140a3c666897588a05shiqian return lhs.AlmostEquals(rhs); 1368e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1369e35fdd936d133bf8a48de140a3c666897588a05shiqian 1370e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1371e35fdd936d133bf8a48de140a3c666897588a05shiqian // os->precision() returns the previously set precision, which we 1372e35fdd936d133bf8a48de140a3c666897588a05shiqian // store to restore the ostream to its original configuration 1373e35fdd936d133bf8a48de140a3c666897588a05shiqian // after outputting. 1374e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1375e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1376e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1377e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1378e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is NaN"; 1379e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1380e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "never matches"; 1381e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1382e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1383e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is approximately " << rhs_; 1384e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1385e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1386e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1387e35fdd936d133bf8a48de140a3c666897588a05shiqian 1388e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1389e35fdd936d133bf8a48de140a3c666897588a05shiqian // As before, get original precision. 1390e35fdd936d133bf8a48de140a3c666897588a05shiqian const ::std::streamsize old_precision = os->precision( 1391e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::numeric_limits<FloatType>::digits10 + 2); 1392e35fdd936d133bf8a48de140a3c666897588a05shiqian if (FloatingPoint<FloatType>(rhs_).is_nan()) { 1393e35fdd936d133bf8a48de140a3c666897588a05shiqian if (nan_eq_nan_) { 1394e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is not NaN"; 1395e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1396e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is anything"; 1397e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1398e35fdd936d133bf8a48de140a3c666897588a05shiqian } else { 1399e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "is not approximately " << rhs_; 1400e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1401e35fdd936d133bf8a48de140a3c666897588a05shiqian // Restore original precision. 1402e35fdd936d133bf8a48de140a3c666897588a05shiqian os->precision(old_precision); 1403e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1404e35fdd936d133bf8a48de140a3c666897588a05shiqian 1405e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1406e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1407e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 1408e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1409e35fdd936d133bf8a48de140a3c666897588a05shiqian 1410e35fdd936d133bf8a48de140a3c666897588a05shiqian // The following 3 type conversion operators allow FloatEq(rhs) and 1411e35fdd936d133bf8a48de140a3c666897588a05shiqian // NanSensitiveFloatEq(rhs) to be used as a Matcher<float>, a 1412e35fdd936d133bf8a48de140a3c666897588a05shiqian // Matcher<const float&>, or a Matcher<float&>, but nothing else. 1413e35fdd936d133bf8a48de140a3c666897588a05shiqian // (While Google's C++ coding style doesn't allow arguments passed 1414e35fdd936d133bf8a48de140a3c666897588a05shiqian // by non-const reference, we may see them in code not conforming to 1415e35fdd936d133bf8a48de140a3c666897588a05shiqian // the style. Therefore Google Mock needs to support them.) 1416e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType>() const { 1417e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType>(rhs_, nan_eq_nan_)); 1418e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1419e35fdd936d133bf8a48de140a3c666897588a05shiqian 1420e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<const FloatType&>() const { 1421e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<const FloatType&>(rhs_, nan_eq_nan_)); 1422e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1423e35fdd936d133bf8a48de140a3c666897588a05shiqian 1424e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<FloatType&>() const { 1425e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<FloatType&>(rhs_, nan_eq_nan_)); 1426e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1427e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1428e35fdd936d133bf8a48de140a3c666897588a05shiqian const FloatType rhs_; 1429e35fdd936d133bf8a48de140a3c666897588a05shiqian const bool nan_eq_nan_; 1430e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1431e35fdd936d133bf8a48de140a3c666897588a05shiqian 1432e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Pointee(m) matcher for matching a pointer whose 1433e35fdd936d133bf8a48de140a3c666897588a05shiqian// pointee matches matcher m. The pointer can be either raw or smart. 1434e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 1435e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PointeeMatcher { 1436e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1437e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit PointeeMatcher(const InnerMatcher& matcher) : matcher_(matcher) {} 1438e35fdd936d133bf8a48de140a3c666897588a05shiqian 1439e35fdd936d133bf8a48de140a3c666897588a05shiqian // This type conversion operator template allows Pointee(m) to be 1440e35fdd936d133bf8a48de140a3c666897588a05shiqian // used as a matcher for any pointer type whose pointee type is 1441e35fdd936d133bf8a48de140a3c666897588a05shiqian // compatible with the inner matcher, where type Pointer can be 1442e35fdd936d133bf8a48de140a3c666897588a05shiqian // either a raw pointer or a smart pointer. 1443e35fdd936d133bf8a48de140a3c666897588a05shiqian // 1444e35fdd936d133bf8a48de140a3c666897588a05shiqian // The reason we do this instead of relying on 1445e35fdd936d133bf8a48de140a3c666897588a05shiqian // MakePolymorphicMatcher() is that the latter is not flexible 1446e35fdd936d133bf8a48de140a3c666897588a05shiqian // enough for implementing the DescribeTo() method of Pointee(). 1447e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1448e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<Pointer>() const { 1449e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakeMatcher(new Impl<Pointer>(matcher_)); 1450e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1451e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1452e35fdd936d133bf8a48de140a3c666897588a05shiqian // The monomorphic implementation that works for a particular pointer type. 1453e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename Pointer> 1454e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<Pointer> { 1455e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1456e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan typedef typename PointeeOf<GMOCK_REMOVE_CONST_( // NOLINT 1457e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan GMOCK_REMOVE_REFERENCE_(Pointer))>::type Pointee; 1458e35fdd936d133bf8a48de140a3c666897588a05shiqian 1459e35fdd936d133bf8a48de140a3c666897588a05shiqian explicit Impl(const InnerMatcher& matcher) 1460e35fdd936d133bf8a48de140a3c666897588a05shiqian : matcher_(MatcherCast<const Pointee&>(matcher)) {} 1461e35fdd936d133bf8a48de140a3c666897588a05shiqian 1462e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(Pointer p) const { 1463e35fdd936d133bf8a48de140a3c666897588a05shiqian return GetRawPointer(p) != NULL && matcher_.Matches(*p); 1464e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1465e35fdd936d133bf8a48de140a3c666897588a05shiqian 1466e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1467e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "points to a value that "; 1468e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1469e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1470e35fdd936d133bf8a48de140a3c666897588a05shiqian 1471e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1472e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "does not point to a value that "; 1473e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1474e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1475e35fdd936d133bf8a48de140a3c666897588a05shiqian 1476e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void ExplainMatchResultTo(Pointer pointer, 1477e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::ostream* os) const { 1478e35fdd936d133bf8a48de140a3c666897588a05shiqian if (GetRawPointer(pointer) == NULL) 1479e35fdd936d133bf8a48de140a3c666897588a05shiqian return; 1480e35fdd936d133bf8a48de140a3c666897588a05shiqian 1481e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream ss; 1482e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.ExplainMatchResultTo(*pointer, &ss); 1483e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string s = ss.str(); 1484e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s != "") { 1485e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "points to a value that " << s; 1486e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1487e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1488e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1489e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const Pointee&> matcher_; 1490e35fdd936d133bf8a48de140a3c666897588a05shiqian }; 1491e35fdd936d133bf8a48de140a3c666897588a05shiqian 1492e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher matcher_; 1493e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1494e35fdd936d133bf8a48de140a3c666897588a05shiqian 1495e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Field() matcher for matching a field (i.e. member 1496e35fdd936d133bf8a48de140a3c666897588a05shiqian// variable) of an object. 1497e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType> 1498e35fdd936d133bf8a48de140a3c666897588a05shiqianclass FieldMatcher { 1499e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1500e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldMatcher(FieldType Class::*field, 1501e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&>& matcher) 1502e35fdd936d133bf8a48de140a3c666897588a05shiqian : field_(field), matcher_(matcher) {} 1503e35fdd936d133bf8a48de140a3c666897588a05shiqian 1504e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff the inner matcher matches obj.field. 1505e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const Class& obj) const { 1506e35fdd936d133bf8a48de140a3c666897588a05shiqian return matcher_.Matches(obj.*field_); 1507e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1508e35fdd936d133bf8a48de140a3c666897588a05shiqian 1509e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff the inner matcher matches obj->field. 1510e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const Class* p) const { 1511e35fdd936d133bf8a48de140a3c666897588a05shiqian return (p != NULL) && matcher_.Matches(p->*field_); 1512e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1513e35fdd936d133bf8a48de140a3c666897588a05shiqian 1514e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1515e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given field "; 1516e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1517e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1518e35fdd936d133bf8a48de140a3c666897588a05shiqian 1519e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1520e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given field "; 1521e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1522e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1523e35fdd936d133bf8a48de140a3c666897588a05shiqian 152418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // The first argument of ExplainMatchResultTo() is needed to help 152518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 152618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Field() matcher is used to match a pointer. 152718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan void ExplainMatchResultTo(false_type /* is_not_pointer */, const Class& obj, 152818490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ::std::ostream* os) const { 1529e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream ss; 1530e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.ExplainMatchResultTo(obj.*field_, &ss); 1531e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string s = ss.str(); 1532e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s != "") { 1533e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given field " << s; 1534e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1535e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1536e35fdd936d133bf8a48de140a3c666897588a05shiqian 153718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan void ExplainMatchResultTo(true_type /* is_pointer */, const Class* p, 153818490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ::std::ostream* os) const { 1539e35fdd936d133bf8a48de140a3c666897588a05shiqian if (p != NULL) { 154018490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Since *p has a field, it must be a class/struct/union type 154118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // and thus cannot be a pointer. Therefore we pass false_type() 154218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // as the first argument. 154318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ExplainMatchResultTo(false_type(), *p, os); 1544e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1545e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1546e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1547e35fdd936d133bf8a48de140a3c666897588a05shiqian const FieldType Class::*field_; 1548e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<const FieldType&> matcher_; 1549e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1550e35fdd936d133bf8a48de140a3c666897588a05shiqian 155118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// Explains the result of matching an object or pointer against a field matcher. 155218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wantemplate <typename Class, typename FieldType, typename T> 1553e35fdd936d133bf8a48de140a3c666897588a05shiqianvoid ExplainMatchResultTo(const FieldMatcher<Class, FieldType>& matcher, 155418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan const T& value, ::std::ostream* os) { 155518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan matcher.ExplainMatchResultTo( 155618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan typename ::testing::internal::is_pointer<T>::type(), value, os); 1557e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1558e35fdd936d133bf8a48de140a3c666897588a05shiqian 1559e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the Property() matcher for matching a property 1560e35fdd936d133bf8a48de140a3c666897588a05shiqian// (i.e. return value of a getter method) of an object. 1561e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType> 1562e35fdd936d133bf8a48de140a3c666897588a05shiqianclass PropertyMatcher { 1563e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1564e35fdd936d133bf8a48de140a3c666897588a05shiqian // The property may have a reference type, so 'const PropertyType&' 1565e35fdd936d133bf8a48de140a3c666897588a05shiqian // may cause double references and fail to compile. That's why we 1566e35fdd936d133bf8a48de140a3c666897588a05shiqian // need GMOCK_REFERENCE_TO_CONST, which works regardless of 1567e35fdd936d133bf8a48de140a3c666897588a05shiqian // PropertyType being a reference or not. 1568e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan typedef GMOCK_REFERENCE_TO_CONST_(PropertyType) RefToConstProperty; 1569e35fdd936d133bf8a48de140a3c666897588a05shiqian 1570e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyMatcher(PropertyType (Class::*property)() const, 1571e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty>& matcher) 1572e35fdd936d133bf8a48de140a3c666897588a05shiqian : property_(property), matcher_(matcher) {} 1573e35fdd936d133bf8a48de140a3c666897588a05shiqian 1574e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff obj.property() matches the inner matcher. 1575e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const Class& obj) const { 1576e35fdd936d133bf8a48de140a3c666897588a05shiqian return matcher_.Matches((obj.*property_)()); 1577e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1578e35fdd936d133bf8a48de140a3c666897588a05shiqian 1579e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff p->property() matches the inner matcher. 1580e35fdd936d133bf8a48de140a3c666897588a05shiqian bool Matches(const Class* p) const { 1581e35fdd936d133bf8a48de140a3c666897588a05shiqian return (p != NULL) && matcher_.Matches((p->*property_)()); 1582e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1583e35fdd936d133bf8a48de140a3c666897588a05shiqian 1584e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeTo(::std::ostream* os) const { 1585e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given property "; 1586e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1587e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1588e35fdd936d133bf8a48de140a3c666897588a05shiqian 1589e35fdd936d133bf8a48de140a3c666897588a05shiqian void DescribeNegationTo(::std::ostream* os) const { 1590e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given property "; 1591e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1592e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1593e35fdd936d133bf8a48de140a3c666897588a05shiqian 159418490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // The first argument of ExplainMatchResultTo() is needed to help 159518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Symbian's C++ compiler choose which overload to use. Its type is 159618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // true_type iff the Property() matcher is used to match a pointer. 159718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan void ExplainMatchResultTo(false_type /* is_not_pointer */, const Class& obj, 159818490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ::std::ostream* os) const { 1599e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream ss; 1600e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.ExplainMatchResultTo((obj.*property_)(), &ss); 1601e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string s = ss.str(); 1602e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s != "") { 1603e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "the given property " << s; 1604e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1605e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1606e35fdd936d133bf8a48de140a3c666897588a05shiqian 160718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan void ExplainMatchResultTo(true_type /* is_pointer */, const Class* p, 160818490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ::std::ostream* os) const { 1609e35fdd936d133bf8a48de140a3c666897588a05shiqian if (p != NULL) { 161018490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Since *p has a property method, it must be a 161118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // class/struct/union type and thus cannot be a pointer. 161218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan // Therefore we pass false_type() as the first argument. 161318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan ExplainMatchResultTo(false_type(), *p, os); 1614e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1615e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1616e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1617e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property_)() const; 1618e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<RefToConstProperty> matcher_; 1619e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1620e35fdd936d133bf8a48de140a3c666897588a05shiqian 162118490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// Explains the result of matching an object or pointer against a 162218490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan// property matcher. 162318490653e80d484b4650d8799184fd1e021efc7bzhanyong.wantemplate <typename Class, typename PropertyType, typename T> 1624e35fdd936d133bf8a48de140a3c666897588a05shiqianvoid ExplainMatchResultTo(const PropertyMatcher<Class, PropertyType>& matcher, 162518490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan const T& value, ::std::ostream* os) { 162618490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan matcher.ExplainMatchResultTo( 162718490653e80d484b4650d8799184fd1e021efc7bzhanyong.wan typename ::testing::internal::is_pointer<T>::type(), value, os); 1628e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1629e35fdd936d133bf8a48de140a3c666897588a05shiqian 1630e35fdd936d133bf8a48de140a3c666897588a05shiqian// Type traits specifying various features of different functors for ResultOf. 1631e35fdd936d133bf8a48de140a3c666897588a05shiqian// The default template specifies features for functor objects. 1632e35fdd936d133bf8a48de140a3c666897588a05shiqian// Functor classes have to typedef argument_type and result_type 1633e35fdd936d133bf8a48de140a3c666897588a05shiqian// to be compatible with ResultOf. 1634e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Functor> 1635e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits { 1636e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename Functor::result_type ResultType; 1637e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef Functor StorageType; 1638e35fdd936d133bf8a48de140a3c666897588a05shiqian 1639e35fdd936d133bf8a48de140a3c666897588a05shiqian static void CheckIsValid(Functor functor) {} 1640e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1641e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResultType Invoke(Functor f, T arg) { return f(arg); } 1642e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1643e35fdd936d133bf8a48de140a3c666897588a05shiqian 1644e35fdd936d133bf8a48de140a3c666897588a05shiqian// Specialization for function pointers. 1645e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename ArgType, typename ResType> 1646e35fdd936d133bf8a48de140a3c666897588a05shiqianstruct CallableTraits<ResType(*)(ArgType)> { 1647e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType ResultType; 1648e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef ResType(*StorageType)(ArgType); 1649e35fdd936d133bf8a48de140a3c666897588a05shiqian 1650e35fdd936d133bf8a48de140a3c666897588a05shiqian static void CheckIsValid(ResType(*f)(ArgType)) { 1651f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan GTEST_CHECK_(f != NULL) 1652e35fdd936d133bf8a48de140a3c666897588a05shiqian << "NULL function pointer is passed into ResultOf()."; 1653e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1654e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1655e35fdd936d133bf8a48de140a3c666897588a05shiqian static ResType Invoke(ResType(*f)(ArgType), T arg) { 1656e35fdd936d133bf8a48de140a3c666897588a05shiqian return (*f)(arg); 1657e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1658e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1659e35fdd936d133bf8a48de140a3c666897588a05shiqian 1660e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements the ResultOf() matcher for matching a return value of a 1661e35fdd936d133bf8a48de140a3c666897588a05shiqian// unary function of an object. 1662e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable> 1663e35fdd936d133bf8a48de140a3c666897588a05shiqianclass ResultOfMatcher { 1664e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1665e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::ResultType ResultType; 1666e35fdd936d133bf8a48de140a3c666897588a05shiqian 1667e35fdd936d133bf8a48de140a3c666897588a05shiqian ResultOfMatcher(Callable callable, const Matcher<ResultType>& matcher) 1668e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) { 1669e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::CheckIsValid(callable_); 1670e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1671e35fdd936d133bf8a48de140a3c666897588a05shiqian 1672e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1673e35fdd936d133bf8a48de140a3c666897588a05shiqian operator Matcher<T>() const { 1674e35fdd936d133bf8a48de140a3c666897588a05shiqian return Matcher<T>(new Impl<T>(callable_, matcher_)); 1675e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1676e35fdd936d133bf8a48de140a3c666897588a05shiqian 1677e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1678e35fdd936d133bf8a48de140a3c666897588a05shiqian typedef typename CallableTraits<Callable>::StorageType CallableStorageType; 1679e35fdd936d133bf8a48de140a3c666897588a05shiqian 1680e35fdd936d133bf8a48de140a3c666897588a05shiqian template <typename T> 1681e35fdd936d133bf8a48de140a3c666897588a05shiqian class Impl : public MatcherInterface<T> { 1682e35fdd936d133bf8a48de140a3c666897588a05shiqian public: 1683e35fdd936d133bf8a48de140a3c666897588a05shiqian Impl(CallableStorageType callable, const Matcher<ResultType>& matcher) 1684e35fdd936d133bf8a48de140a3c666897588a05shiqian : callable_(callable), matcher_(matcher) {} 1685e35fdd936d133bf8a48de140a3c666897588a05shiqian // Returns true iff callable_(obj) matches the inner matcher. 1686e35fdd936d133bf8a48de140a3c666897588a05shiqian // The calling syntax is different for different types of callables 1687e35fdd936d133bf8a48de140a3c666897588a05shiqian // so we abstract it in CallableTraits<Callable>::Invoke(). 1688e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual bool Matches(T obj) const { 1689e35fdd936d133bf8a48de140a3c666897588a05shiqian return matcher_.Matches( 1690e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::template Invoke<T>(callable_, obj)); 1691e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1692e35fdd936d133bf8a48de140a3c666897588a05shiqian 1693e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeTo(::std::ostream* os) const { 1694e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "result of the given callable "; 1695e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeTo(os); 1696e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1697e35fdd936d133bf8a48de140a3c666897588a05shiqian 1698e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void DescribeNegationTo(::std::ostream* os) const { 1699e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "result of the given callable "; 1700e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.DescribeNegationTo(os); 1701e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1702e35fdd936d133bf8a48de140a3c666897588a05shiqian 1703e35fdd936d133bf8a48de140a3c666897588a05shiqian virtual void ExplainMatchResultTo(T obj, ::std::ostream* os) const { 1704e35fdd936d133bf8a48de140a3c666897588a05shiqian ::std::stringstream ss; 1705e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher_.ExplainMatchResultTo( 1706e35fdd936d133bf8a48de140a3c666897588a05shiqian CallableTraits<Callable>::template Invoke<T>(callable_, obj), 1707e35fdd936d133bf8a48de140a3c666897588a05shiqian &ss); 1708e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string s = ss.str(); 1709e35fdd936d133bf8a48de140a3c666897588a05shiqian if (s != "") 1710e35fdd936d133bf8a48de140a3c666897588a05shiqian *os << "result of the given callable " << s; 1711e35fdd936d133bf8a48de140a3c666897588a05shiqian } 1712e35fdd936d133bf8a48de140a3c666897588a05shiqian private: 1713e35fdd936d133bf8a48de140a3c666897588a05shiqian // Functors often define operator() as non-const method even though 1714e35fdd936d133bf8a48de140a3c666897588a05shiqian // they are actualy stateless. But we need to use them even when 1715e35fdd936d133bf8a48de140a3c666897588a05shiqian // 'this' is a const pointer. It's the user's responsibility not to 1716e35fdd936d133bf8a48de140a3c666897588a05shiqian // use stateful callables with ResultOf(), which does't guarantee 1717e35fdd936d133bf8a48de140a3c666897588a05shiqian // how many times the callable will be invoked. 1718e35fdd936d133bf8a48de140a3c666897588a05shiqian mutable CallableStorageType callable_; 1719e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 1720e35fdd936d133bf8a48de140a3c666897588a05shiqian }; // class Impl 1721e35fdd936d133bf8a48de140a3c666897588a05shiqian 1722e35fdd936d133bf8a48de140a3c666897588a05shiqian const CallableStorageType callable_; 1723e35fdd936d133bf8a48de140a3c666897588a05shiqian const Matcher<ResultType> matcher_; 1724e35fdd936d133bf8a48de140a3c666897588a05shiqian}; 1725e35fdd936d133bf8a48de140a3c666897588a05shiqian 1726e35fdd936d133bf8a48de140a3c666897588a05shiqian// Explains the result of matching a value against a functor matcher. 1727e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename Callable> 1728e35fdd936d133bf8a48de140a3c666897588a05shiqianvoid ExplainMatchResultTo(const ResultOfMatcher<Callable>& matcher, 1729e35fdd936d133bf8a48de140a3c666897588a05shiqian T obj, ::std::ostream* os) { 1730e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher.ExplainMatchResultTo(obj, os); 1731e35fdd936d133bf8a48de140a3c666897588a05shiqian} 1732e35fdd936d133bf8a48de140a3c666897588a05shiqian 17336a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Implements an equality matcher for any STL-style container whose elements 17346a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// support ==. This matcher is like Eq(), but its failure explanations provide 17356a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// more detailed information that is useful when the container is used as a set. 17366a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// The failure message reports elements that are in one of the operands but not 17376a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// the other. The failure messages do not report duplicate or out-of-order 17386a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// elements in the containers (which don't properly matter to sets, but can 17396a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// occur if the containers are vectors or lists, for example). 17406a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// 17416a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Uses the container's const_iterator, value_type, operator ==, 17426a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// begin(), and end(). 17436a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 17446a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wanclass ContainerEqMatcher { 17456a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan public: 1746b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<Container> View; 1747b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1748b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1749b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1750b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // We make a copy of rhs in case the elements in it are modified 1751b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // after this matcher is created. 1752b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainerEqMatcher(const Container& rhs) : rhs_(View::Copy(rhs)) { 1753b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Makes sure the user doesn't instantiate this class template 1754b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // with a const or reference type. 1755b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan testing::StaticAssertTypeEq<Container, 1756b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container))>(); 1757b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1758b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1759b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename LhsContainer> 1760b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan bool Matches(const LhsContainer& lhs) const { 1761b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // GMOCK_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug 1762b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // that causes LhsContainer to be a const type sometimes. 1763b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<GMOCK_REMOVE_CONST_(LhsContainer)> 1764b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan LhsView; 1765b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 1766b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return lhs_stl_container == rhs_; 1767b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 17686a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeTo(::std::ostream* os) const { 17696a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "equals "; 1770b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<StlContainer>::Print(rhs_, os); 17716a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 17726a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan void DescribeNegationTo(::std::ostream* os) const { 17736a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "does not equal "; 1774b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<StlContainer>::Print(rhs_, os); 17756a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 17766a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1777b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename LhsContainer> 1778b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan void ExplainMatchResultTo(const LhsContainer& lhs, 17796a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ::std::ostream* os) const { 1780b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // GMOCK_REMOVE_CONST_() is needed to work around an MSVC 8.0 bug 1781b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // that causes LhsContainer to be a const type sometimes. 1782b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef internal::StlContainerView<GMOCK_REMOVE_CONST_(LhsContainer)> 1783b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan LhsView; 1784b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename LhsView::type LhsStlContainer; 1785b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference lhs_stl_container = LhsView::ConstReference(lhs); 1786b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 17876a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan // Something is different. Check for missing values first. 17886a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan bool printed_header = false; 1789b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan for (typename LhsStlContainer::const_iterator it = 1790b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan lhs_stl_container.begin(); 1791b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan it != lhs_stl_container.end(); ++it) { 1792b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan if (internal::ArrayAwareFind(rhs_.begin(), rhs_.end(), *it) == 1793b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan rhs_.end()) { 17946a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan if (printed_header) { 17956a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << ", "; 17966a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } else { 17976a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << "Only in actual: "; 17986a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan printed_header = true; 17996a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 1800b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<typename LhsStlContainer::value_type>::Print(*it, os); 18016a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18026a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18036a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 18046a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan // Now check for extra values. 18056a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan bool printed_header2 = false; 1806b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan for (typename StlContainer::const_iterator it = rhs_.begin(); 18076a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan it != rhs_.end(); ++it) { 1808b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan if (internal::ArrayAwareFind( 1809b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan lhs_stl_container.begin(), lhs_stl_container.end(), *it) == 1810b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan lhs_stl_container.end()) { 18116a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan if (printed_header2) { 18126a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << ", "; 18136a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } else { 18146a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan *os << (printed_header ? "; not" : "Not") << " in actual: "; 18156a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan printed_header2 = true; 18166a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 1817b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan UniversalPrinter<typename StlContainer::value_type>::Print(*it, os); 18186a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18196a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18206a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan } 18216a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan private: 1822b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const StlContainer rhs_; 18236a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan}; 18246a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1825b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename LhsContainer, typename Container> 18266a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wanvoid ExplainMatchResultTo(const ContainerEqMatcher<Container>& matcher, 1827b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const LhsContainer& lhs, 18286a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ::std::ostream* os) { 18296a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan matcher.ExplainMatchResultTo(lhs, os); 18306a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan} 18316a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 1832b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements Contains(element_matcher) for the given argument type Container. 1833b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename Container> 1834b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcherImpl : public MatcherInterface<Container> { 1835b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 1836b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) RawContainer; 1837b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef StlContainerView<RawContainer> View; 1838b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::type StlContainer; 1839b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename View::const_reference StlContainerReference; 1840b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef typename StlContainer::value_type Element; 1841b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1842b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename InnerMatcher> 1843b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcherImpl(InnerMatcher inner_matcher) 1844b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan : inner_matcher_( 1845b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan testing::SafeMatcherCast<const Element&>(inner_matcher)) {} 1846b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1847b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Returns true iff 'container' matches. 1848b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual bool Matches(Container container) const { 1849b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 1850b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan for (typename StlContainer::const_iterator it = stl_container.begin(); 1851b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan it != stl_container.end(); ++it) { 1852b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan if (inner_matcher_.Matches(*it)) 1853b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return true; 1854b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1855b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return false; 1856b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1857b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1858b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what this matcher does. 1859b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1860b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "contains at least one element that "; 1861b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan inner_matcher_.DescribeTo(os); 1862b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1863b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1864b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Describes what the negation of this matcher does. 1865b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1866b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "doesn't contain any element that "; 1867b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan inner_matcher_.DescribeTo(os); 1868b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1869b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1870b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // Explains why 'container' matches, or doesn't match, this matcher. 1871b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan virtual void ExplainMatchResultTo(Container container, 1872b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan ::std::ostream* os) const { 1873b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 1874b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1875b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // We need to explain which (if any) element matches inner_matcher_. 1876b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 1877b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan for (size_t i = 0; it != stl_container.end(); ++it, ++i) { 1878b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan if (inner_matcher_.Matches(*it)) { 1879b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan *os << "element " << i << " matches"; 1880b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return; 1881b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1882b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1883b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1884b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1885b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 1886b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const Matcher<const Element&> inner_matcher_; 1887b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 1888b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1889b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Implements polymorphic Contains(element_matcher). 1890b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 1891b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wanclass ContainsMatcher { 1892b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan public: 1893b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan explicit ContainsMatcher(M m) : inner_matcher_(m) {} 1894b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1895b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan template <typename Container> 1896b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan operator Matcher<Container>() const { 1897b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return MakeMatcher(new ContainsMatcherImpl<Container>(inner_matcher_)); 1898b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan } 1899b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1900b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan private: 1901b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan const M inner_matcher_; 1902b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan}; 1903b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 1904b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements Key(inner_matcher) for the given argument pair type. 1905b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 1906b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 1907b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 1908b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename PairType> 1909b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcherImpl : public MatcherInterface<PairType> { 1910b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 1911b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(PairType)) RawPairType; 1912b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan typedef typename RawPairType::first_type KeyType; 1913b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1914b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename InnerMatcher> 1915b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcherImpl(InnerMatcher inner_matcher) 1916b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan : inner_matcher_( 1917b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan testing::SafeMatcherCast<const KeyType&>(inner_matcher)) { 1918b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1919b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1920b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Returns true iff 'key_value.first' (the key) matches the inner matcher. 1921b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual bool Matches(PairType key_value) const { 1922b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return inner_matcher_.Matches(key_value.first); 1923b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1924b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1925b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what this matcher does. 1926b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1927b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "has a key that "; 1928b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 1929b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1930b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1931b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Describes what the negation of this matcher does. 1932b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1933b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan *os << "doesn't have a key that "; 1934b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.DescribeTo(os); 1935b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1936b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1937b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan // Explains why 'key_value' matches, or doesn't match, this matcher. 1938b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan virtual void ExplainMatchResultTo(PairType key_value, 1939b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan ::std::ostream* os) const { 1940b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan inner_matcher_.ExplainMatchResultTo(key_value.first, os); 1941b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1942b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1943b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 1944b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const Matcher<const KeyType&> inner_matcher_; 1945b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 1946b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1947b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Implements polymorphic Key(matcher_for_key). 1948b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 1949b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wanclass KeyMatcher { 1950b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan public: 1951b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan explicit KeyMatcher(M m) : matcher_for_key_(m) {} 1952b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1953b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan template <typename PairType> 1954b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan operator Matcher<PairType>() const { 1955b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return MakeMatcher(new KeyMatcherImpl<PairType>(matcher_for_key_)); 1956b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan } 1957b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1958b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan private: 1959b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan const M matcher_for_key_; 1960b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan}; 1961b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 1962f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements Pair(first_matcher, second_matcher) for the given argument pair 1963f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// type with its two matchers. See Pair() function below. 1964f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename PairType> 1965f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcherImpl : public MatcherInterface<PairType> { 1966f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 1967f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(PairType)) RawPairType; 1968f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::first_type FirstType; 1969f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan typedef typename RawPairType::second_type SecondType; 1970f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 1971f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename FirstMatcher, typename SecondMatcher> 1972f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcherImpl(FirstMatcher first_matcher, SecondMatcher second_matcher) 1973f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_( 1974f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const FirstType&>(first_matcher)), 1975f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_( 1976f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan testing::SafeMatcherCast<const SecondType&>(second_matcher)) { 1977f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 1978f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 1979f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Returns true iff 'a_pair.first' matches first_matcher and 'a_pair.second' 1980f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // matches second_matcher. 1981f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual bool Matches(PairType a_pair) const { 1982f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return first_matcher_.Matches(a_pair.first) && 1983f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.Matches(a_pair.second); 1984f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 1985f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 1986f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what this matcher does. 1987f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 1988f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 1989f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeTo(os); 1990f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", and has a second field that "; 1991f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeTo(os); 1992f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 1993f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 1994f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Describes what the negation of this matcher does. 1995f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 1996f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << "has a first field that "; 1997f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.DescribeNegationTo(os); 1998f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", or has a second field that "; 1999f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.DescribeNegationTo(os); 2000f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2001f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2002f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan // Explains why 'a_pair' matches, or doesn't match, this matcher. 2003f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan virtual void ExplainMatchResultTo(PairType a_pair, 2004f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan ::std::ostream* os) const { 2005f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan ::std::stringstream ss1; 2006f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_.ExplainMatchResultTo(a_pair.first, &ss1); 2007f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan internal::string s1 = ss1.str(); 2008f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan if (s1 != "") { 2009f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan s1 = "the first field " + s1; 2010f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2011f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2012f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan ::std::stringstream ss2; 2013f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan second_matcher_.ExplainMatchResultTo(a_pair.second, &ss2); 2014f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan internal::string s2 = ss2.str(); 2015f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan if (s2 != "") { 2016f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan s2 = "the second field " + s2; 2017f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2018f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2019f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << s1; 2020f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan if (s1 != "" && s2 != "") { 2021f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << ", and "; 2022f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2023f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan *os << s2; 2024f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2025f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2026f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2027f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const FirstType&> first_matcher_; 2028f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const Matcher<const SecondType&> second_matcher_; 2029f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2030f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2031f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Implements polymorphic Pair(first_matcher, second_matcher). 2032f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2033f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanclass PairMatcher { 2034f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan public: 2035f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan PairMatcher(FirstMatcher first_matcher, SecondMatcher second_matcher) 2036f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan : first_matcher_(first_matcher), second_matcher_(second_matcher) {} 2037f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2038f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan template <typename PairType> 2039f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan operator Matcher<PairType> () const { 2040f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return MakeMatcher( 2041f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan new PairMatcherImpl<PairType>( 2042f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher_, second_matcher_)); 2043f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan } 2044f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2045f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan private: 2046f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const FirstMatcher first_matcher_; 2047f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan const SecondMatcher second_matcher_; 2048f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan}; 2049f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 20501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() and ElementsAreArray(). 20511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename Container> 20521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcherImpl : public MatcherInterface<Container> { 20531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 20541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) RawContainer; 20551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef internal::StlContainerView<RawContainer> View; 20561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::type StlContainer; 20571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename View::const_reference StlContainerReference; 20581afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename StlContainer::value_type Element; 20591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 20601afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Constructs the matcher from a sequence of element values or 20611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // element matchers. 20621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename InputIter> 20631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreMatcherImpl(InputIter first, size_t count) { 20641afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_.reserve(count); 20651afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan InputIter it = first; 20661afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count; ++i, ++it) { 20671afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_.push_back(MatcherCast<const Element&>(*it)); 20681afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 20691afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 20701afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 20711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Returns true iff 'container' matches. 20721afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual bool Matches(Container container) const { 20731afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 20741afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (stl_container.size() != count()) 20751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return false; 20761afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 20771afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 20781afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 20791afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (!matchers_[i].Matches(*it)) 20801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return false; 20811afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 20821afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 20831afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return true; 20841afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 20851afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 20861afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what this matcher does. 20871afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeTo(::std::ostream* os) const { 20881afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 20891afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "is empty"; 20901afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else if (count() == 1) { 20911afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has 1 element that "; 20921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[0].DescribeTo(os); 20931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else { 20941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has " << Elements(count()) << " where\n"; 20951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 20961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "element " << i << " "; 20971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeTo(os); 20981afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 20991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ",\n"; 21001afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21011afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21021afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Describes what the negation of this matcher does. 21061afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void DescribeNegationTo(::std::ostream* os) const { 21071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (count() == 0) { 21081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "is not empty"; 21091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 21101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "does not have " << Elements(count()) << ", or\n"; 21131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++i) { 21141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "element " << i << " "; 21151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].DescribeNegationTo(os); 21161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (i + 1 < count()) { 21171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ", or\n"; 21181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Explains why 'container' matches, or doesn't match, this matcher. 21231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan virtual void ExplainMatchResultTo(Container container, 21241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ::std::ostream* os) const { 21251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan StlContainerReference stl_container = View::ConstReference(container); 21261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (Matches(container)) { 21271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // We need to explain why *each* element matches (the obvious 21281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // ones can be skipped). 21291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21301afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan bool reason_printed = false; 21311afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 21321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 21331afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ::std::stringstream ss; 21341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].ExplainMatchResultTo(*it, &ss); 21351afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const string s = ss.str(); 21371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (!s.empty()) { 21381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (reason_printed) { 21391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << ",\n"; 21401afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21411afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "element " << i << " " << s; 21421afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan reason_printed = true; 21431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21451afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } else { 21461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // We need to explain why the container doesn't match. 21471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const size_t actual_count = stl_container.size(); 21481afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (actual_count != count()) { 21491afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // The element count doesn't match. If the container is 21501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // empty, there's no need to explain anything as Google Mock 21511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // already prints the empty container. Otherwise we just need 21521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // to show how many elements there actually are. 21531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (actual_count != 0) { 21541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "has " << Elements(actual_count); 21551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 21571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21581afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // The container has the right size but at least one element 21601afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // doesn't match expectation. We need to find this element and 21611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // explain why it doesn't match. 21621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typename StlContainer::const_iterator it = stl_container.begin(); 21631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan for (size_t i = 0; i != count(); ++it, ++i) { 21641afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (matchers_[i].Matches(*it)) { 21651afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan continue; 21661afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21671afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21681afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << "element " << i << " doesn't match"; 21691afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21701afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ::std::stringstream ss; 21711afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan matchers_[i].ExplainMatchResultTo(*it, &ss); 21721afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const string s = ss.str(); 21731afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan if (!s.empty()) { 21741afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan *os << " (" << s << ")"; 21751afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21761afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return; 21771afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21781afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21791afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21801afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21811afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 21821afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan static Message Elements(size_t count) { 21831afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return Message() << count << (count == 1 ? " element" : " elements"); 21841afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 21851afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21861afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan size_t count() const { return matchers_.size(); } 21871afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan std::vector<Matcher<const Element&> > matchers_; 21881afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 21891afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21901afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAre() of 0 arguments. 21911afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreMatcher0 { 21921afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 21931afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreMatcher0() {} 21941afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 21951afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 21961afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 21971afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) 21981afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan RawContainer; 21991afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 22001afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 22011afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22021afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Matcher<const Element&>* const matchers = NULL; 22031afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(matchers, 0)); 22041afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22051afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 22061afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22071afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Implements ElementsAreArray(). 22081afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantemplate <typename T> 22091afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanclass ElementsAreArrayMatcher { 22101afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan public: 22111afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan ElementsAreArrayMatcher(const T* first, size_t count) : 22121afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan first_(first), count_(count) {} 22131afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22141afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan template <typename Container> 22151afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan operator Matcher<Container>() const { 22161afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) 22171afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan RawContainer; 22181afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan typedef typename internal::StlContainerView<RawContainer>::type::value_type 22191afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Element; 22201afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22211afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan return MakeMatcher(new ElementsAreMatcherImpl<Container>(first_, count_)); 22221afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan } 22231afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22241afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan private: 22251afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const T* const first_; 22261afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const size_t count_; 22271afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 22281afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22291afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Constants denoting interpolations in a matcher description string. 22301afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kTupleInterpolation = -1; // "%(*)s" 22311afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kPercentInterpolation = -2; // "%%" 22321afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanconst int kInvalidInterpolation = -3; // "%" followed by invalid text 22331afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22341afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Records the location and content of an interpolation. 22351afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanstruct Interpolation { 22361afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan Interpolation(const char* start, const char* end, int param) 22371afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan : start_pos(start), end_pos(end), param_index(param) {} 22381afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22391afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Points to the start of the interpolation (the '%' character). 22401afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* start_pos; 22411afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // Points to the first character after the interpolation. 22421afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* end_pos; 22431afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // 0-based index of the interpolated matcher parameter; 22441afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan // kTupleInterpolation for "%(*)s"; kPercentInterpolation for "%%". 22451afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan int param_index; 22461afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan}; 22471afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22481afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wantypedef ::std::vector<Interpolation> Interpolations; 22491afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22501afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Parses a matcher description string and returns a vector of 22511afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// interpolations that appear in the string; generates non-fatal 22521afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// failures iff 'description' is an invalid matcher description. 22531afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// 'param_names' is a NULL-terminated array of parameter names in the 22541afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// order they appear in the MATCHER_P*() parameter list. 22551afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanInterpolations ValidateMatcherDescription( 22561afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* param_names[], const char* description); 22571afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 22581afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// Returns the actual matcher description, given the matcher name, 22591afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// user-supplied description template string, interpolations in the 22601afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan// string, and the printed values of the matcher parameters. 22611afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wanstring FormatMatcherDescription( 22621afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const char* matcher_name, const char* description, 22631afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan const Interpolations& interp, const Strings& param_values); 22641afe1c7971e649ae8b85a39fc1ab6ac595e1dd58zhanyong.wan 2265e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace internal 2266e35fdd936d133bf8a48de140a3c666897588a05shiqian 2267e35fdd936d133bf8a48de140a3c666897588a05shiqian// Implements MatcherCast(). 2268e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T, typename M> 2269e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> MatcherCast(M matcher) { 2270e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherCastImpl<T, M>::Cast(matcher); 2271e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2272e35fdd936d133bf8a48de140a3c666897588a05shiqian 2273e35fdd936d133bf8a48de140a3c666897588a05shiqian// _ is a matcher that matches anything of any type. 2274e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2275e35fdd936d133bf8a48de140a3c666897588a05shiqian// This definition is fine as: 2276e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2277e35fdd936d133bf8a48de140a3c666897588a05shiqian// 1. The C++ standard permits using the name _ in a namespace that 2278e35fdd936d133bf8a48de140a3c666897588a05shiqian// is not the global namespace or ::std. 2279e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2. The AnythingMatcher class has no data member or constructor, 2280e35fdd936d133bf8a48de140a3c666897588a05shiqian// so it's OK to create global variables of this type. 2281e35fdd936d133bf8a48de140a3c666897588a05shiqian// 3. c-style has approved of using _ in this case. 2282e35fdd936d133bf8a48de140a3c666897588a05shiqianconst internal::AnythingMatcher _ = {}; 2283e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2284e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2285e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> A() { return MakeMatcher(new internal::AnyMatcherImpl<T>()); } 2286e35fdd936d133bf8a48de140a3c666897588a05shiqian 2287e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of the given type T. 2288e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2289e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<T> An() { return A<T>(); } 2290e35fdd936d133bf8a48de140a3c666897588a05shiqian 2291e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything equal to x. 2292e35fdd936d133bf8a48de140a3c666897588a05shiqian// Note: if the parameter of Eq() were declared as const T&, Eq("foo") 2293e35fdd936d133bf8a48de140a3c666897588a05shiqian// wouldn't compile. 2294e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2295e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EqMatcher<T> Eq(T x) { return internal::EqMatcher<T>(x); } 2296e35fdd936d133bf8a48de140a3c666897588a05shiqian 2297e35fdd936d133bf8a48de140a3c666897588a05shiqian// Constructs a Matcher<T> from a 'value' of type T. The constructed 2298e35fdd936d133bf8a48de140a3c666897588a05shiqian// matcher matches any value that's equal to 'value'. 2299e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2300e35fdd936d133bf8a48de140a3c666897588a05shiqianMatcher<T>::Matcher(T value) { *this = Eq(value); } 2301e35fdd936d133bf8a48de140a3c666897588a05shiqian 2302e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a monomorphic matcher that matches anything with type Lhs 2303e35fdd936d133bf8a48de140a3c666897588a05shiqian// and equal to rhs. A user may need to use this instead of Eq(...) 2304e35fdd936d133bf8a48de140a3c666897588a05shiqian// in order to resolve an overloading ambiguity. 2305e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2306e35fdd936d133bf8a48de140a3c666897588a05shiqian// TypedEq<T>(x) is just a convenient short-hand for Matcher<T>(Eq(x)) 2307e35fdd936d133bf8a48de140a3c666897588a05shiqian// or Matcher<T>(x), but more readable than the latter. 2308e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2309e35fdd936d133bf8a48de140a3c666897588a05shiqian// We could define similar monomorphic matchers for other comparison 2310e35fdd936d133bf8a48de140a3c666897588a05shiqian// operations (e.g. TypedLt, TypedGe, and etc), but decided not to do 2311e35fdd936d133bf8a48de140a3c666897588a05shiqian// it yet as those are used much less than Eq() in practice. A user 2312e35fdd936d133bf8a48de140a3c666897588a05shiqian// can always write Matcher<T>(Lt(5)) to be explicit about the type, 2313e35fdd936d133bf8a48de140a3c666897588a05shiqian// for example. 2314e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Lhs, typename Rhs> 2315e35fdd936d133bf8a48de140a3c666897588a05shiqianinline Matcher<Lhs> TypedEq(const Rhs& rhs) { return Eq(rhs); } 2316e35fdd936d133bf8a48de140a3c666897588a05shiqian 2317e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything >= x. 2318e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2319e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GeMatcher<Rhs> Ge(Rhs x) { 2320e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GeMatcher<Rhs>(x); 2321e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2322e35fdd936d133bf8a48de140a3c666897588a05shiqian 2323e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything > x. 2324e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2325e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::GtMatcher<Rhs> Gt(Rhs x) { 2326e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::GtMatcher<Rhs>(x); 2327e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2328e35fdd936d133bf8a48de140a3c666897588a05shiqian 2329e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything <= x. 2330e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2331e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LeMatcher<Rhs> Le(Rhs x) { 2332e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LeMatcher<Rhs>(x); 2333e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2334e35fdd936d133bf8a48de140a3c666897588a05shiqian 2335e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything < x. 2336e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2337e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::LtMatcher<Rhs> Lt(Rhs x) { 2338e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::LtMatcher<Rhs>(x); 2339e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2340e35fdd936d133bf8a48de140a3c666897588a05shiqian 2341e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches anything != x. 2342e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Rhs> 2343e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NeMatcher<Rhs> Ne(Rhs x) { 2344e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NeMatcher<Rhs>(x); 2345e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2346e35fdd936d133bf8a48de140a3c666897588a05shiqian 23472d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan// Creates a polymorphic matcher that matches any NULL pointer. 23482d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.waninline PolymorphicMatcher<internal::IsNullMatcher > IsNull() { 23492d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan return MakePolymorphicMatcher(internal::IsNullMatcher()); 23502d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan} 23512d970ee3bad530703ff24bc3a011390b45cdd293zhanyong.wan 2352e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any non-NULL pointer. 2353e35fdd936d133bf8a48de140a3c666897588a05shiqian// This is convenient as Not(NULL) doesn't compile (the compiler 2354e35fdd936d133bf8a48de140a3c666897588a05shiqian// thinks that that expression is comparing a pointer with an integer). 2355e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::NotNullMatcher > NotNull() { 2356e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::NotNullMatcher()); 2357e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2358e35fdd936d133bf8a48de140a3c666897588a05shiqian 2359e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches any argument that 2360e35fdd936d133bf8a48de140a3c666897588a05shiqian// references variable x. 2361e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename T> 2362e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::RefMatcher<T&> Ref(T& x) { // NOLINT 2363e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::RefMatcher<T&>(x); 2364e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2365e35fdd936d133bf8a48de140a3c666897588a05shiqian 2366e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2367e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2368e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> DoubleEq(double rhs) { 2369e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, false); 2370e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2371e35fdd936d133bf8a48de140a3c666897588a05shiqian 2372e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2373e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2374e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<double> NanSensitiveDoubleEq(double rhs) { 2375e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<double>(rhs, true); 2376e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2377e35fdd936d133bf8a48de140a3c666897588a05shiqian 2378e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any float argument approximately 2379e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, where two NANs are considered unequal. 2380e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> FloatEq(float rhs) { 2381e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, false); 2382e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2383e35fdd936d133bf8a48de140a3c666897588a05shiqian 2384e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any double argument approximately 2385e35fdd936d133bf8a48de140a3c666897588a05shiqian// equal to rhs, including NaN values when rhs is NaN. 2386e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::FloatingEqMatcher<float> NanSensitiveFloatEq(float rhs) { 2387e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::FloatingEqMatcher<float>(rhs, true); 2388e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2389e35fdd936d133bf8a48de140a3c666897588a05shiqian 2390e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches a pointer (raw or smart) that points 2391e35fdd936d133bf8a48de140a3c666897588a05shiqian// to a value that matches inner_matcher. 2392e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2393e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::PointeeMatcher<InnerMatcher> Pointee( 2394e35fdd936d133bf8a48de140a3c666897588a05shiqian const InnerMatcher& inner_matcher) { 2395e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::PointeeMatcher<InnerMatcher>(inner_matcher); 2396e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2397e35fdd936d133bf8a48de140a3c666897588a05shiqian 2398e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given field matches 2399e35fdd936d133bf8a48de140a3c666897588a05shiqian// 'matcher'. For example, 2400e35fdd936d133bf8a48de140a3c666897588a05shiqian// Field(&Foo::number, Ge(5)) 2401e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.number >= 5. 2402e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename FieldType, typename FieldMatcher> 2403e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2404e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType> > Field( 2405e35fdd936d133bf8a48de140a3c666897588a05shiqian FieldType Class::*field, const FieldMatcher& matcher) { 2406e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2407e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::FieldMatcher<Class, FieldType>( 2408e35fdd936d133bf8a48de140a3c666897588a05shiqian field, MatcherCast<const FieldType&>(matcher))); 2409e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2410e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2411e35fdd936d133bf8a48de140a3c666897588a05shiqian // Field(&Foo::bar, m) 2412e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar is an int32 and m is a matcher for int64. 2413e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2414e35fdd936d133bf8a48de140a3c666897588a05shiqian 2415e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object whose given property 2416e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches 'matcher'. For example, 2417e35fdd936d133bf8a48de140a3c666897588a05shiqian// Property(&Foo::str, StartsWith("hi")) 2418e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff x.str() starts with "hi". 2419e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Class, typename PropertyType, typename PropertyMatcher> 2420e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher< 2421e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType> > Property( 2422e35fdd936d133bf8a48de140a3c666897588a05shiqian PropertyType (Class::*property)() const, const PropertyMatcher& matcher) { 2423e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher( 2424e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::PropertyMatcher<Class, PropertyType>( 2425e35fdd936d133bf8a48de140a3c666897588a05shiqian property, 2426e0d051ea64dd5f32d5b6af9831747d1acb2a9c40zhanyong.wan MatcherCast<GMOCK_REFERENCE_TO_CONST_(PropertyType)>(matcher))); 2427e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2428e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2429e35fdd936d133bf8a48de140a3c666897588a05shiqian // Property(&Foo::bar, m) 2430e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where bar() returns an int32 and m is a matcher for int64. 2431e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2432e35fdd936d133bf8a48de140a3c666897588a05shiqian 2433e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches an object iff the result of applying 2434e35fdd936d133bf8a48de140a3c666897588a05shiqian// a callable to x matches 'matcher'. 2435e35fdd936d133bf8a48de140a3c666897588a05shiqian// For example, 2436e35fdd936d133bf8a48de140a3c666897588a05shiqian// ResultOf(f, StartsWith("hi")) 2437e35fdd936d133bf8a48de140a3c666897588a05shiqian// matches a Foo object x iff f(x) starts with "hi". 2438e35fdd936d133bf8a48de140a3c666897588a05shiqian// callable parameter can be a function, function pointer, or a functor. 2439e35fdd936d133bf8a48de140a3c666897588a05shiqian// Callable has to satisfy the following conditions: 2440e35fdd936d133bf8a48de140a3c666897588a05shiqian// * It is required to keep no state affecting the results of 2441e35fdd936d133bf8a48de140a3c666897588a05shiqian// the calls on it and make no assumptions about how many calls 2442e35fdd936d133bf8a48de140a3c666897588a05shiqian// will be made. Any state it keeps must be protected from the 2443e35fdd936d133bf8a48de140a3c666897588a05shiqian// concurrent access. 2444e35fdd936d133bf8a48de140a3c666897588a05shiqian// * If it is a function object, it has to define type result_type. 2445e35fdd936d133bf8a48de140a3c666897588a05shiqian// We recommend deriving your functor classes from std::unary_function. 2446e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Callable, typename ResultOfMatcher> 2447e35fdd936d133bf8a48de140a3c666897588a05shiqianinternal::ResultOfMatcher<Callable> ResultOf( 2448e35fdd936d133bf8a48de140a3c666897588a05shiqian Callable callable, const ResultOfMatcher& matcher) { 2449e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::ResultOfMatcher<Callable>( 2450e35fdd936d133bf8a48de140a3c666897588a05shiqian callable, 2451e35fdd936d133bf8a48de140a3c666897588a05shiqian MatcherCast<typename internal::CallableTraits<Callable>::ResultType>( 2452e35fdd936d133bf8a48de140a3c666897588a05shiqian matcher)); 2453e35fdd936d133bf8a48de140a3c666897588a05shiqian // The call to MatcherCast() is required for supporting inner 2454e35fdd936d133bf8a48de140a3c666897588a05shiqian // matchers of compatible types. For example, it allows 2455e35fdd936d133bf8a48de140a3c666897588a05shiqian // ResultOf(Function, m) 2456e35fdd936d133bf8a48de140a3c666897588a05shiqian // to compile where Function() returns an int32 and m is a matcher for int64. 2457e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2458e35fdd936d133bf8a48de140a3c666897588a05shiqian 2459e35fdd936d133bf8a48de140a3c666897588a05shiqian// String matchers. 2460e35fdd936d133bf8a48de140a3c666897588a05shiqian 2461e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2462e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2463e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::string& str) { 2464e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2465e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2466e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2467e35fdd936d133bf8a48de140a3c666897588a05shiqian 2468e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2469e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2470e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::string& str) { 2471e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2472e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2473e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2474e35fdd936d133bf8a48de140a3c666897588a05shiqian 2475e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2476e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2477e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::string& str) { 2478e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2479e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2480e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2481e35fdd936d133bf8a48de140a3c666897588a05shiqian 2482e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2483e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::string> > 2484e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::string& str) { 2485e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::string>( 2486e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2487e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2488e35fdd936d133bf8a48de140a3c666897588a05shiqian 2489e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any string, std::string, or C string 2490e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2491e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::string> > 2492e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::string& substring) { 2493e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::string>( 2494e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2495e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2496e35fdd936d133bf8a48de140a3c666897588a05shiqian 2497e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2498e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::string> > 2499e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::string& prefix) { 2500e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::string>( 2501e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2502e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2503e35fdd936d133bf8a48de140a3c666897588a05shiqian 2504e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2505e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::string> > 2506e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::string& suffix) { 2507e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::string>( 2508e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2509e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2510e35fdd936d133bf8a48de140a3c666897588a05shiqian 2511e35fdd936d133bf8a48de140a3c666897588a05shiqian#ifdef GMOCK_HAS_REGEX 2512e35fdd936d133bf8a48de140a3c666897588a05shiqian 2513e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that fully matches regular expression 'regex'. 2514e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2515e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2516e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2517e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, true)); 2518e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2519e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> MatchesRegex( 2520e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2521e35fdd936d133bf8a48de140a3c666897588a05shiqian return MatchesRegex(new internal::RE(regex)); 2522e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2523e35fdd936d133bf8a48de140a3c666897588a05shiqian 2524e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that contains regular expression 'regex'. 2525e35fdd936d133bf8a48de140a3c666897588a05shiqian// The matcher takes ownership of 'regex'. 2526e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2527e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::RE* regex) { 2528e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::MatchesRegexMatcher(regex, false)); 2529e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2530e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::MatchesRegexMatcher> ContainsRegex( 2531e35fdd936d133bf8a48de140a3c666897588a05shiqian const internal::string& regex) { 2532e35fdd936d133bf8a48de140a3c666897588a05shiqian return ContainsRegex(new internal::RE(regex)); 2533e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2534e35fdd936d133bf8a48de140a3c666897588a05shiqian 2535e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_HAS_REGEX 2536e35fdd936d133bf8a48de140a3c666897588a05shiqian 2537e35fdd936d133bf8a48de140a3c666897588a05shiqian#if GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2538e35fdd936d133bf8a48de140a3c666897588a05shiqian// Wide string matchers. 2539e35fdd936d133bf8a48de140a3c666897588a05shiqian 2540e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str. 2541e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2542e35fdd936d133bf8a48de140a3c666897588a05shiqian StrEq(const internal::wstring& str) { 2543e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2544e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, true)); 2545e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2546e35fdd936d133bf8a48de140a3c666897588a05shiqian 2547e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str. 2548e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2549e35fdd936d133bf8a48de140a3c666897588a05shiqian StrNe(const internal::wstring& str) { 2550e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2551e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, true)); 2552e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2553e35fdd936d133bf8a48de140a3c666897588a05shiqian 2554e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string equal to str, ignoring case. 2555e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2556e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseEq(const internal::wstring& str) { 2557e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2558e35fdd936d133bf8a48de140a3c666897588a05shiqian str, true, false)); 2559e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2560e35fdd936d133bf8a48de140a3c666897588a05shiqian 2561e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string not equal to str, ignoring case. 2562e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StrEqualityMatcher<internal::wstring> > 2563e35fdd936d133bf8a48de140a3c666897588a05shiqian StrCaseNe(const internal::wstring& str) { 2564e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StrEqualityMatcher<internal::wstring>( 2565e35fdd936d133bf8a48de140a3c666897588a05shiqian str, false, false)); 2566e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2567e35fdd936d133bf8a48de140a3c666897588a05shiqian 2568e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any wstring, std::wstring, or C wide string 2569e35fdd936d133bf8a48de140a3c666897588a05shiqian// that contains the given substring. 2570e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::HasSubstrMatcher<internal::wstring> > 2571e35fdd936d133bf8a48de140a3c666897588a05shiqian HasSubstr(const internal::wstring& substring) { 2572e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::HasSubstrMatcher<internal::wstring>( 2573e35fdd936d133bf8a48de140a3c666897588a05shiqian substring)); 2574e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2575e35fdd936d133bf8a48de140a3c666897588a05shiqian 2576e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that starts with 'prefix' (case-sensitive). 2577e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::StartsWithMatcher<internal::wstring> > 2578e35fdd936d133bf8a48de140a3c666897588a05shiqian StartsWith(const internal::wstring& prefix) { 2579e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::StartsWithMatcher<internal::wstring>( 2580e35fdd936d133bf8a48de140a3c666897588a05shiqian prefix)); 2581e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2582e35fdd936d133bf8a48de140a3c666897588a05shiqian 2583e35fdd936d133bf8a48de140a3c666897588a05shiqian// Matches a string that ends with 'suffix' (case-sensitive). 2584e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::EndsWithMatcher<internal::wstring> > 2585e35fdd936d133bf8a48de140a3c666897588a05shiqian EndsWith(const internal::wstring& suffix) { 2586e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::EndsWithMatcher<internal::wstring>( 2587e35fdd936d133bf8a48de140a3c666897588a05shiqian suffix)); 2588e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2589e35fdd936d133bf8a48de140a3c666897588a05shiqian 2590e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GTEST_HAS_GLOBAL_WSTRING || GTEST_HAS_STD_WSTRING 2591e35fdd936d133bf8a48de140a3c666897588a05shiqian 2592e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2593e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field == the second field. 2594e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Eq2Matcher Eq() { return internal::Eq2Matcher(); } 2595e35fdd936d133bf8a48de140a3c666897588a05shiqian 2596e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2597e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field >= the second field. 2598e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ge2Matcher Ge() { return internal::Ge2Matcher(); } 2599e35fdd936d133bf8a48de140a3c666897588a05shiqian 2600e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2601e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field > the second field. 2602e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Gt2Matcher Gt() { return internal::Gt2Matcher(); } 2603e35fdd936d133bf8a48de140a3c666897588a05shiqian 2604e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2605e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field <= the second field. 2606e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Le2Matcher Le() { return internal::Le2Matcher(); } 2607e35fdd936d133bf8a48de140a3c666897588a05shiqian 2608e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2609e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field < the second field. 2610e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Lt2Matcher Lt() { return internal::Lt2Matcher(); } 2611e35fdd936d133bf8a48de140a3c666897588a05shiqian 2612e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a polymorphic matcher that matches a 2-tuple where the 2613e35fdd936d133bf8a48de140a3c666897588a05shiqian// first field != the second field. 2614e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::Ne2Matcher Ne() { return internal::Ne2Matcher(); } 2615e35fdd936d133bf8a48de140a3c666897588a05shiqian 2616e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value of type T that m doesn't 2617e35fdd936d133bf8a48de140a3c666897588a05shiqian// match. 2618e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename InnerMatcher> 2619e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) { 2620e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::NotMatcher<InnerMatcher>(m); 2621e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2622e35fdd936d133bf8a48de140a3c666897588a05shiqian 2623e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches all of the 2624e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matchers. 2625e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2626e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2627e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2628e35fdd936d133bf8a48de140a3c666897588a05shiqian// AllOf()s. 2629e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2630e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, Matcher2> 2631e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2) { 2632e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2); 2633e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2634e35fdd936d133bf8a48de140a3c666897588a05shiqian 2635e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2636e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2637e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, Matcher3> > 2638e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2639e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3)); 2640e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2641e35fdd936d133bf8a48de140a3c666897588a05shiqian 2642e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2643e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2644e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2645e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2646e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, Matcher4> > > 2647e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2648e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4)); 2649e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2650e35fdd936d133bf8a48de140a3c666897588a05shiqian 2651e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2652e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2653e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::BothOfMatcher<Matcher1, 2654e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher2, 2655e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher3, 2656e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::BothOfMatcher<Matcher4, Matcher5> > > > 2657e35fdd936d133bf8a48de140a3c666897588a05shiqianAllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2658e35fdd936d133bf8a48de140a3c666897588a05shiqian return AllOf(m1, AllOf(m2, m3, m4, m5)); 2659e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2660e35fdd936d133bf8a48de140a3c666897588a05shiqian 2661e35fdd936d133bf8a48de140a3c666897588a05shiqian// Creates a matcher that matches any value that matches at least one 2662e35fdd936d133bf8a48de140a3c666897588a05shiqian// of the given matchers. 2663e35fdd936d133bf8a48de140a3c666897588a05shiqian// 2664e35fdd936d133bf8a48de140a3c666897588a05shiqian// For now we only support up to 5 matchers. Support for more 2665e35fdd936d133bf8a48de140a3c666897588a05shiqian// matchers can be added as needed, or the user can use nested 2666e35fdd936d133bf8a48de140a3c666897588a05shiqian// AnyOf()s. 2667e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2> 2668e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, Matcher2> 2669e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2) { 2670e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2); 2671e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2672e35fdd936d133bf8a48de140a3c666897588a05shiqian 2673e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3> 2674e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2675e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, Matcher3> > 2676e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) { 2677e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3)); 2678e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2679e35fdd936d133bf8a48de140a3c666897588a05shiqian 2680e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2681e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4> 2682e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2683e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2684e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, Matcher4> > > 2685e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) { 2686e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4)); 2687e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2688e35fdd936d133bf8a48de140a3c666897588a05shiqian 2689e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Matcher1, typename Matcher2, typename Matcher3, 2690e35fdd936d133bf8a48de140a3c666897588a05shiqian typename Matcher4, typename Matcher5> 2691e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::EitherOfMatcher<Matcher1, 2692e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher2, 2693e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher3, 2694e35fdd936d133bf8a48de140a3c666897588a05shiqian internal::EitherOfMatcher<Matcher4, Matcher5> > > > 2695e35fdd936d133bf8a48de140a3c666897588a05shiqianAnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) { 2696e35fdd936d133bf8a48de140a3c666897588a05shiqian return AnyOf(m1, AnyOf(m2, m3, m4, m5)); 2697e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2698e35fdd936d133bf8a48de140a3c666897588a05shiqian 2699e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a matcher that matches anything that satisfies the given 2700e35fdd936d133bf8a48de140a3c666897588a05shiqian// predicate. The predicate can be any unary function or functor 2701e35fdd936d133bf8a48de140a3c666897588a05shiqian// whose return type can be implicitly converted to bool. 2702e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename Predicate> 2703e35fdd936d133bf8a48de140a3c666897588a05shiqianinline PolymorphicMatcher<internal::TrulyMatcher<Predicate> > 2704e35fdd936d133bf8a48de140a3c666897588a05shiqianTruly(Predicate pred) { 2705e35fdd936d133bf8a48de140a3c666897588a05shiqian return MakePolymorphicMatcher(internal::TrulyMatcher<Predicate>(pred)); 2706e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2707e35fdd936d133bf8a48de140a3c666897588a05shiqian 27086a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// Returns a matcher that matches an equal container. 27096a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// This matcher behaves like Eq(), but in the event of mismatch lists the 27106a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values that are included in one container but not the other. (Duplicate 27116a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan// values and order differences are not explained.) 27126a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wantemplate <typename Container> 2713b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline PolymorphicMatcher<internal::ContainerEqMatcher< 2714b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan GMOCK_REMOVE_CONST_(Container)> > 27156a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan ContainerEq(const Container& rhs) { 2716b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // This following line is for working around a bug in MSVC 8.0, 2717b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan // which causes Container to be a const type sometimes. 2718b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan typedef GMOCK_REMOVE_CONST_(Container) RawContainer; 2719b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return MakePolymorphicMatcher(internal::ContainerEqMatcher<RawContainer>(rhs)); 2720b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 2721b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2722b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Matches an STL-style container or a native array that contains at 2723b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// least one element matching the given value or matcher. 2724b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2725b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Examples: 2726b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::set<int> page_ids; 2727b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(3); 2728b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_ids.insert(1); 2729b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(1)); 2730b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Contains(Gt(2))); 2731b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(page_ids, Not(Contains(4))); 2732b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2733b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// ::std::map<int, size_t> page_lengths; 2734b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// page_lengths[1] = 100; 27354019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// EXPECT_THAT(page_lengths, 27364019819dbb5369b1d638503523a04aaf7eb2a5adzhanyong.wan// Contains(::std::pair<const int, size_t>(1, 100))); 2737b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// 2738b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// const char* user_ids[] = { "joe", "mike", "tom" }; 2739b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// EXPECT_THAT(user_ids, Contains(Eq(::std::string("tom")))); 2740b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename M> 2741b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline internal::ContainsMatcher<M> Contains(M matcher) { 2742b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return internal::ContainsMatcher<M>(matcher); 27436a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan} 27446a896b5ec607a54d86bbd2efdbc0248754b042e1zhanyong.wan 2745b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// Key(inner_matcher) matches an std::pair whose 'first' field matches 2746b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// inner_matcher. For example, Contains(Key(Ge(5))) can be used to match an 2747b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan// std::map that contains at least one element whose key is >= 5. 2748b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wantemplate <typename M> 2749b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.waninline internal::KeyMatcher<M> Key(M inner_matcher) { 2750b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan return internal::KeyMatcher<M>(inner_matcher); 2751b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan} 2752b5937dab6969ca4b1d8304cc8939ce16c1fb62e5zhanyong.wan 2753f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// Pair(first_matcher, second_matcher) matches a std::pair whose 'first' field 2754f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// matches first_matcher and whose 'second' field matches second_matcher. For 2755f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// example, EXPECT_THAT(map_type, ElementsAre(Pair(Ge(5), "foo"))) can be used 2756f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// to match a std::map<int, string> that contains exactly one element whose key 2757f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan// is >= 5 and whose value equals "foo". 2758f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wantemplate <typename FirstMatcher, typename SecondMatcher> 2759f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.waninline internal::PairMatcher<FirstMatcher, SecondMatcher> 2760f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wanPair(FirstMatcher first_matcher, SecondMatcher second_matcher) { 2761f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan return internal::PairMatcher<FirstMatcher, SecondMatcher>( 2762f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan first_matcher, second_matcher); 2763f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan} 2764f5e1ce5b9237edbc2e524ae9ebcb2452dc842937zhanyong.wan 2765e35fdd936d133bf8a48de140a3c666897588a05shiqian// Returns a predicate that is satisfied by anything that matches the 2766e35fdd936d133bf8a48de140a3c666897588a05shiqian// given matcher. 2767e35fdd936d133bf8a48de140a3c666897588a05shiqiantemplate <typename M> 2768e35fdd936d133bf8a48de140a3c666897588a05shiqianinline internal::MatcherAsPredicate<M> Matches(M matcher) { 2769e35fdd936d133bf8a48de140a3c666897588a05shiqian return internal::MatcherAsPredicate<M>(matcher); 2770e35fdd936d133bf8a48de140a3c666897588a05shiqian} 2771e35fdd936d133bf8a48de140a3c666897588a05shiqian 2772b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan// Returns true iff the value matches the matcher. 2773b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wantemplate <typename T, typename M> 2774b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.waninline bool Value(const T& value, M matcher) { 2775b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan return testing::Matches(matcher)(value); 2776b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan} 2777b82431625d1842d1498f3c0e6f1923ce81837c6ezhanyong.wan 2778bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// AllArgs(m) is a synonym of m. This is useful in 2779bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2780bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(AllArgs(Eq())); 2781bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2782bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// which is easier to read than 2783bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// 2784bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan// EXPECT_CALL(foo, Bar(_, _)).With(Eq()); 2785bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wantemplate <typename InnerMatcher> 2786bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.waninline InnerMatcher AllArgs(const InnerMatcher& matcher) { return matcher; } 2787bf55085d456e3ee55eb234c98c435e54d0a2d5aazhanyong.wan 2788e35fdd936d133bf8a48de140a3c666897588a05shiqian// These macros allow using matchers to check values in Google Test 2789e35fdd936d133bf8a48de140a3c666897588a05shiqian// tests. ASSERT_THAT(value, matcher) and EXPECT_THAT(value, matcher) 2790e35fdd936d133bf8a48de140a3c666897588a05shiqian// succeed iff the value matches the matcher. If the assertion fails, 2791e35fdd936d133bf8a48de140a3c666897588a05shiqian// the value and the description of the matcher will be printed. 2792e35fdd936d133bf8a48de140a3c666897588a05shiqian#define ASSERT_THAT(value, matcher) ASSERT_PRED_FORMAT1(\ 2793e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 2794e35fdd936d133bf8a48de140a3c666897588a05shiqian#define EXPECT_THAT(value, matcher) EXPECT_PRED_FORMAT1(\ 2795e35fdd936d133bf8a48de140a3c666897588a05shiqian ::testing::internal::MakePredicateFormatterFromMatcher(matcher), value) 2796e35fdd936d133bf8a48de140a3c666897588a05shiqian 2797e35fdd936d133bf8a48de140a3c666897588a05shiqian} // namespace testing 2798e35fdd936d133bf8a48de140a3c666897588a05shiqian 2799e35fdd936d133bf8a48de140a3c666897588a05shiqian#endif // GMOCK_INCLUDE_GMOCK_GMOCK_MATCHERS_H_ 2800