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gmock-more-matchers.h
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1// Copyright 2013, Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8// * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10// * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14// * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29//
30// Author: marcus.boerger@google.com (Marcus Boerger)
31
32// Google Mock - a framework for writing C++ mock classes.
33//
34// This file implements some matchers that depend on gmock-generated-matchers.h.
35//
36// Note that tests are implemented in gmock-matchers_test.cc rather than
37// gmock-more-matchers-test.cc.
38
39#ifndef GMOCK_GMOCK_MORE_MATCHERS_H_
40#define GMOCK_GMOCK_MORE_MATCHERS_H_
41
43
44namespace testing {
45
46// Silence C4100 (unreferenced formal
47// parameter) for MSVC
48#ifdef _MSC_VER
49# pragma warning(push)
50# pragma warning(disable:4100)
51#if (_MSC_VER == 1900)
52// and silence C4800 (C4800: 'int *const ': forcing value
53// to bool 'true' or 'false') for MSVC 14
54# pragma warning(disable:4800)
55 #endif
56#endif
57
58// Defines a matcher that matches an empty container. The container must
59// support both size() and empty(), which all STL-like containers provide.
60MATCHER(IsEmpty, negation ? "isn't empty" : "is empty") {
61 if (arg.empty()) {
62 return true;
63 }
64 *result_listener << "whose size is " << arg.size();
65 return false;
66}
67
68// Define a matcher that matches a value that evaluates in boolean
69// context to true. Useful for types that define "explicit operator
70// bool" operators and so can't be compared for equality with true
71// and false.
72MATCHER(IsTrue, negation ? "is false" : "is true") {
73 return static_cast<bool>(arg);
74}
75
76// Define a matcher that matches a value that evaluates in boolean
77// context to false. Useful for types that define "explicit operator
78// bool" operators and so can't be compared for equality with true
79// and false.
80MATCHER(IsFalse, negation ? "is true" : "is false") {
81 return !static_cast<bool>(arg);
82}
83
84#ifdef _MSC_VER
85# pragma warning(pop)
86#endif
87
88
89} // namespace testing
90
91#endif // GMOCK_GMOCK_MORE_MATCHERS_H_
#define MATCHER(name, description)
<< DiffStrings(str, arg);