1 // Copyright 2007, Google Inc.
2 // All rights reserved.
3 //
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5 // modification, are permitted provided that the following conditions are
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7 //
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13 // distribution.
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16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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
31 // Google Mock - a framework for writing C++ mock classes.
32 //
33 // This file implements some actions that depend on gmock-generated-actions.h.
34
35 // GOOGLETEST_CM0002 DO NOT DELETE
36
37 #ifndef GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
38 #define GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
39
40 #include <algorithm>
41 #include <type_traits>
42
43 #include "gmock/gmock-generated-actions.h"
44
45 namespace testing {
46 namespace internal {
47
48 // An internal replacement for std::copy which mimics its behavior. This is
49 // necessary because Visual Studio deprecates ::std::copy, issuing warning 4996.
50 // However Visual Studio 2010 and later do not honor #pragmas which disable that
51 // warning.
52 template<typename InputIterator, typename OutputIterator>
CopyElements(InputIterator first,InputIterator last,OutputIterator output)53 inline OutputIterator CopyElements(InputIterator first,
54 InputIterator last,
55 OutputIterator output) {
56 for (; first != last; ++first, ++output) {
57 *output = *first;
58 }
59 return output;
60 }
61
62 } // namespace internal
63
64 // Various overloads for Invoke().
65
66 // The ACTION*() macros trigger warning C4100 (unreferenced formal
67 // parameter) in MSVC with -W4. Unfortunately they cannot be fixed in
68 // the macro definition, as the warnings are generated when the macro
69 // is expanded and macro expansion cannot contain #pragma. Therefore
70 // we suppress them here.
71 #ifdef _MSC_VER
72 # pragma warning(push)
73 # pragma warning(disable:4100)
74 #endif
75
76 // Action ReturnArg<k>() returns the k-th argument of the mock function.
ACTION_TEMPLATE(ReturnArg,HAS_1_TEMPLATE_PARAMS (int,k),AND_0_VALUE_PARAMS ())77 ACTION_TEMPLATE(ReturnArg,
78 HAS_1_TEMPLATE_PARAMS(int, k),
79 AND_0_VALUE_PARAMS()) {
80 return ::std::get<k>(args);
81 }
82
83 // Action SaveArg<k>(pointer) saves the k-th (0-based) argument of the
84 // mock function to *pointer.
ACTION_TEMPLATE(SaveArg,HAS_1_TEMPLATE_PARAMS (int,k),AND_1_VALUE_PARAMS (pointer))85 ACTION_TEMPLATE(SaveArg,
86 HAS_1_TEMPLATE_PARAMS(int, k),
87 AND_1_VALUE_PARAMS(pointer)) {
88 *pointer = ::std::get<k>(args);
89 }
90
91 // Action SaveArgPointee<k>(pointer) saves the value pointed to
92 // by the k-th (0-based) argument of the mock function to *pointer.
ACTION_TEMPLATE(SaveArgPointee,HAS_1_TEMPLATE_PARAMS (int,k),AND_1_VALUE_PARAMS (pointer))93 ACTION_TEMPLATE(SaveArgPointee,
94 HAS_1_TEMPLATE_PARAMS(int, k),
95 AND_1_VALUE_PARAMS(pointer)) {
96 *pointer = *::std::get<k>(args);
97 }
98
99 // Action SetArgReferee<k>(value) assigns 'value' to the variable
100 // referenced by the k-th (0-based) argument of the mock function.
ACTION_TEMPLATE(SetArgReferee,HAS_1_TEMPLATE_PARAMS (int,k),AND_1_VALUE_PARAMS (value))101 ACTION_TEMPLATE(SetArgReferee,
102 HAS_1_TEMPLATE_PARAMS(int, k),
103 AND_1_VALUE_PARAMS(value)) {
104 typedef typename ::std::tuple_element<k, args_type>::type argk_type;
105 // Ensures that argument #k is a reference. If you get a compiler
106 // error on the next line, you are using SetArgReferee<k>(value) in
107 // a mock function whose k-th (0-based) argument is not a reference.
108 GTEST_COMPILE_ASSERT_(internal::is_reference<argk_type>::value,
109 SetArgReferee_must_be_used_with_a_reference_argument);
110 ::std::get<k>(args) = value;
111 }
112
113 // Action SetArrayArgument<k>(first, last) copies the elements in
114 // source range [first, last) to the array pointed to by the k-th
115 // (0-based) argument, which can be either a pointer or an
116 // iterator. The action does not take ownership of the elements in the
117 // source range.
ACTION_TEMPLATE(SetArrayArgument,HAS_1_TEMPLATE_PARAMS (int,k),AND_2_VALUE_PARAMS (first,last))118 ACTION_TEMPLATE(SetArrayArgument,
119 HAS_1_TEMPLATE_PARAMS(int, k),
120 AND_2_VALUE_PARAMS(first, last)) {
121 // Visual Studio deprecates ::std::copy, so we use our own copy in that case.
122 #ifdef _MSC_VER
123 internal::CopyElements(first, last, ::std::get<k>(args));
124 #else
125 ::std::copy(first, last, ::std::get<k>(args));
126 #endif
127 }
128
129 // Action DeleteArg<k>() deletes the k-th (0-based) argument of the mock
130 // function.
ACTION_TEMPLATE(DeleteArg,HAS_1_TEMPLATE_PARAMS (int,k),AND_0_VALUE_PARAMS ())131 ACTION_TEMPLATE(DeleteArg,
132 HAS_1_TEMPLATE_PARAMS(int, k),
133 AND_0_VALUE_PARAMS()) {
134 delete ::std::get<k>(args);
135 }
136
137 // This action returns the value pointed to by 'pointer'.
ACTION_P(ReturnPointee,pointer)138 ACTION_P(ReturnPointee, pointer) { return *pointer; }
139
140 // Action Throw(exception) can be used in a mock function of any type
141 // to throw the given exception. Any copyable value can be thrown.
142 #if GTEST_HAS_EXCEPTIONS
143
144 // Suppresses the 'unreachable code' warning that VC generates in opt modes.
145 # ifdef _MSC_VER
146 # pragma warning(push) // Saves the current warning state.
147 # pragma warning(disable:4702) // Temporarily disables warning 4702.
148 # endif
ACTION_P(Throw,exception)149 ACTION_P(Throw, exception) { throw exception; }
150 # ifdef _MSC_VER
151 # pragma warning(pop) // Restores the warning state.
152 # endif
153
154 #endif // GTEST_HAS_EXCEPTIONS
155
156 #ifdef _MSC_VER
157 # pragma warning(pop)
158 #endif
159
160 } // namespace testing
161
162 #endif // GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
163