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31 // Google Mock - a framework for writing C++ mock classes.
33 // This file implements some actions that depend on gmock-generated-actions.h.
35 // GOOGLETEST_CM0002 DO NOT DELETE
37 #ifndef GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
38 #define GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_
41 #include <type_traits>
43 #include "gmock/gmock-generated-actions.h"
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
52 template<typename InputIterator, typename OutputIterator>
53 inline OutputIterator CopyElements(InputIterator first,
55 OutputIterator output) {
56 for (; first != last; ++first, ++output) {
62 } // namespace internal
64 // Various overloads for Invoke().
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.
72 # pragma warning(push)
73 # pragma warning(disable:4100)
76 // Action ReturnArg<k>() returns the k-th argument of the mock function.
77 ACTION_TEMPLATE(ReturnArg,
78 HAS_1_TEMPLATE_PARAMS(int, k),
79 AND_0_VALUE_PARAMS()) {
80 return ::std::get<k>(args);
83 // Action SaveArg<k>(pointer) saves the k-th (0-based) argument of the
84 // mock function to *pointer.
85 ACTION_TEMPLATE(SaveArg,
86 HAS_1_TEMPLATE_PARAMS(int, k),
87 AND_1_VALUE_PARAMS(pointer)) {
88 *pointer = ::std::get<k>(args);
91 // Action SaveArgPointee<k>(pointer) saves the value pointed to
92 // by the k-th (0-based) argument of the mock function to *pointer.
93 ACTION_TEMPLATE(SaveArgPointee,
94 HAS_1_TEMPLATE_PARAMS(int, k),
95 AND_1_VALUE_PARAMS(pointer)) {
96 *pointer = *::std::get<k>(args);
99 // Action SetArgReferee<k>(value) assigns 'value' to the variable
100 // referenced by the k-th (0-based) argument of the mock function.
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_(std::is_reference<argk_type>::value,
109 SetArgReferee_must_be_used_with_a_reference_argument);
110 ::std::get<k>(args) = value;
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
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.
123 internal::CopyElements(first, last, ::std::get<k>(args));
125 ::std::copy(first, last, ::std::get<k>(args));
129 // Action DeleteArg<k>() deletes the k-th (0-based) argument of the mock
131 ACTION_TEMPLATE(DeleteArg,
132 HAS_1_TEMPLATE_PARAMS(int, k),
133 AND_0_VALUE_PARAMS()) {
134 delete ::std::get<k>(args);
137 // This action returns the value pointed to by 'pointer'.
138 ACTION_P(ReturnPointee, pointer) { return *pointer; }
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
144 // Suppresses the 'unreachable code' warning that VC generates in opt modes.
146 # pragma warning(push) // Saves the current warning state.
147 # pragma warning(disable:4702) // Temporarily disables warning 4702.
149 ACTION_P(Throw, exception) { throw exception; }
151 # pragma warning(pop) // Restores the warning state.
154 #endif // GTEST_HAS_EXCEPTIONS
157 # pragma warning(pop)
160 } // namespace testing
162 #endif // GMOCK_INCLUDE_GMOCK_GMOCK_MORE_ACTIONS_H_