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0001 // Copyright 2013, Google Inc.
0002 // All rights reserved.
0003 //
0004 // Redistribution and use in source and binary forms, with or without
0005 // modification, are permitted provided that the following conditions are
0006 // met:
0007 //
0008 //     * Redistributions of source code must retain the above copyright
0009 // notice, this list of conditions and the following disclaimer.
0010 //     * Redistributions in binary form must reproduce the above
0011 // copyright notice, this list of conditions and the following disclaimer
0012 // in the documentation and/or other materials provided with the
0013 // distribution.
0014 //     * Neither the name of Google Inc. nor the names of its
0015 // contributors may be used to endorse or promote products derived from
0016 // this software without specific prior written permission.
0017 //
0018 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
0019 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
0020 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
0021 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
0022 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
0023 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
0024 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0025 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0026 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0027 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
0028 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0029 
0030 // Google Mock - a framework for writing C++ mock classes.
0031 //
0032 // This file implements some matchers that depend on gmock-matchers.h.
0033 //
0034 // Note that tests are implemented in gmock-matchers_test.cc rather than
0035 // gmock-more-matchers-test.cc.
0036 
0037 // IWYU pragma: private, include "gmock/gmock.h"
0038 // IWYU pragma: friend gmock/.*
0039 
0040 #ifndef GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
0041 #define GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_
0042 
0043 #include "gmock/gmock-matchers.h"
0044 
0045 namespace testing {
0046 
0047 // Silence C4100 (unreferenced formal
0048 // parameter) for MSVC
0049 #ifdef _MSC_VER
0050 #pragma warning(push)
0051 #pragma warning(disable : 4100)
0052 #if (_MSC_VER == 1900)
0053 // and silence C4800 (C4800: 'int *const ': forcing value
0054 // to bool 'true' or 'false') for MSVC 14
0055 #pragma warning(disable : 4800)
0056 #endif
0057 #endif
0058 
0059 // Defines a matcher that matches an empty container. The container must
0060 // support both size() and empty(), which all STL-like containers provide.
0061 MATCHER(IsEmpty, negation ? "isn't empty" : "is empty") {
0062   if (arg.empty()) {
0063     return true;
0064   }
0065   *result_listener << "whose size is " << arg.size();
0066   return false;
0067 }
0068 
0069 // Define a matcher that matches a value that evaluates in boolean
0070 // context to true.  Useful for types that define "explicit operator
0071 // bool" operators and so can't be compared for equality with true
0072 // and false.
0073 MATCHER(IsTrue, negation ? "is false" : "is true") {
0074   return static_cast<bool>(arg);
0075 }
0076 
0077 // Define a matcher that matches a value that evaluates in boolean
0078 // context to false.  Useful for types that define "explicit operator
0079 // bool" operators and so can't be compared for equality with true
0080 // and false.
0081 MATCHER(IsFalse, negation ? "is true" : "is false") {
0082   return !static_cast<bool>(arg);
0083 }
0084 
0085 #ifdef _MSC_VER
0086 #pragma warning(pop)
0087 #endif
0088 
0089 }  // namespace testing
0090 
0091 #endif  // GOOGLEMOCK_INCLUDE_GMOCK_GMOCK_MORE_MATCHERS_H_