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// Copyright 2007, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Google Mock - a framework for writing C++ mock classes.
//
// This file implements MOCK_METHOD.
// GOOGLETEST_CM0002 DO NOT DELETE
#ifndef THIRD_PARTY_GOOGLETEST_GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_ // NOLINT
#define THIRD_PARTY_GOOGLETEST_GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_ // NOLINT
#include "gmock/gmock-generated-function-mockers.h" // NOLINT
#include "gmock/internal/gmock-pp.h"
namespace testing {
namespace internal {
template <typename T>
using identity_t = T;
} // namespace internal
} // namespace testing
#define MOCK_METHOD(...) \
GMOCK_PP_VARIADIC_CALL(GMOCK_INTERNAL_MOCK_METHOD_ARG_, __VA_ARGS__)
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_1(...) \
GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_2(...) \
GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_3(_Ret, _MethodName, _Args) \
GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, ())
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_4(_Ret, _MethodName, _Args, _Spec) \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Args); \
GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Spec); \
GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE( \
GMOCK_PP_NARG0 _Args, GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)); \
GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \
GMOCK_INTERNAL_MOCK_METHOD_IMPL( \
GMOCK_PP_NARG0 _Args, _MethodName, GMOCK_INTERNAL_HAS_CONST(_Spec), \
GMOCK_INTERNAL_HAS_OVERRIDE(_Spec), GMOCK_INTERNAL_HAS_FINAL(_Spec), \
GMOCK_INTERNAL_HAS_NOEXCEPT(_Spec), GMOCK_INTERNAL_GET_CALLTYPE(_Spec), \
(GMOCK_INTERNAL_SIGNATURE(_Ret, _Args)))
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_5(...) \
GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_6(...) \
GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
#define GMOCK_INTERNAL_MOCK_METHOD_ARG_7(...) \
GMOCK_INTERNAL_WRONG_ARITY(__VA_ARGS__)
#define GMOCK_INTERNAL_WRONG_ARITY(...) \
static_assert( \
false, \
"MOCK_METHOD must be called with 3 or 4 arguments. _Ret, " \
"_MethodName, _Args and optionally _Spec. _Args and _Spec must be " \
"enclosed in parentheses. If _Ret is a type with unprotected commas, " \
"it must also be enclosed in parentheses.")
#define GMOCK_INTERNAL_ASSERT_PARENTHESIS(_Tuple) \
static_assert( \
GMOCK_PP_IS_ENCLOSED_PARENS(_Tuple), \
GMOCK_PP_STRINGIZE(_Tuple) " should be enclosed in parentheses.")
#define GMOCK_INTERNAL_ASSERT_VALID_SIGNATURE(_N, ...) \
static_assert( \
std::is_function<__VA_ARGS__>::value, \
"Signature must be a function type, maybe return type contains " \
"unprotected comma."); \
static_assert( \
::testing::tuple_size<typename ::testing::internal::Function< \
__VA_ARGS__>::ArgumentTuple>::value == _N, \
"This method does not take " GMOCK_PP_STRINGIZE( \
_N) " arguments. Parenthesize all types with unproctected commas.")
#define GMOCK_INTERNAL_ASSERT_VALID_SPEC(_Spec) \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT, ~, _Spec)
#define GMOCK_INTERNAL_MOCK_METHOD_IMPL(_N, _MethodName, _Constness, \
_Override, _Final, _Noexcept, \
_CallType, _Signature) \
typename ::testing::internal::Function<GMOCK_PP_REMOVE_PARENS( \
_Signature)>::Result \
GMOCK_INTERNAL_EXPAND(_CallType) \
_MethodName(GMOCK_PP_REPEAT(GMOCK_INTERNAL_PARAMETER, _Signature, _N)) \
GMOCK_PP_IF(_Constness, const, ) GMOCK_PP_IF(_Noexcept, noexcept, ) \
GMOCK_PP_IF(_Override, override, ) \
GMOCK_PP_IF(_Final, final, ) { \
GMOCK_MOCKER_(_N, _Constness, _MethodName) \
.SetOwnerAndName(this, #_MethodName); \
return GMOCK_MOCKER_(_N, _Constness, _MethodName) \
.Invoke(GMOCK_PP_REPEAT(GMOCK_INTERNAL_FORWARD_ARG, _Signature, _N)); \
} \
::testing::MockSpec<GMOCK_PP_REMOVE_PARENS(_Signature)> gmock_##_MethodName( \
GMOCK_PP_REPEAT(GMOCK_INTERNAL_MATCHER_PARAMETER, _Signature, _N)) \
GMOCK_PP_IF(_Constness, const, ) { \
GMOCK_MOCKER_(_N, _Constness, _MethodName).RegisterOwner(this); \
return GMOCK_MOCKER_(_N, _Constness, _MethodName) \
.With(GMOCK_PP_REPEAT(GMOCK_INTERNAL_MATCHER_ARGUMENT, , _N)); \
} \
::testing::MockSpec<GMOCK_PP_REMOVE_PARENS(_Signature)> gmock_##_MethodName( \
const ::testing::internal::WithoutMatchers&, \
GMOCK_PP_IF(_Constness, const, )::testing::internal::Function< \
GMOCK_PP_REMOVE_PARENS(_Signature)>*) \
const GMOCK_PP_IF(_Noexcept, noexcept, ) { \
return GMOCK_PP_CAT(::testing::internal::AdjustConstness_, \
GMOCK_PP_IF(_Constness, const, ))(this) \
->gmock_##_MethodName(GMOCK_PP_REPEAT( \
GMOCK_INTERNAL_A_MATCHER_ARGUMENT, _Signature, _N)); \
} \
mutable ::testing::FunctionMocker<GMOCK_PP_REMOVE_PARENS(_Signature)> \
GMOCK_MOCKER_(_N, _Constness, _MethodName)
#define GMOCK_INTERNAL_EXPAND(...) __VA_ARGS__
// Five Valid modifiers.
#define GMOCK_INTERNAL_HAS_CONST(_Tuple) \
GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_CONST, ~, _Tuple))
#define GMOCK_INTERNAL_HAS_OVERRIDE(_Tuple) \
GMOCK_PP_HAS_COMMA( \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_OVERRIDE, ~, _Tuple))
#define GMOCK_INTERNAL_HAS_FINAL(_Tuple) \
GMOCK_PP_HAS_COMMA(GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_FINAL, ~, _Tuple))
#define GMOCK_INTERNAL_HAS_NOEXCEPT(_Tuple) \
GMOCK_PP_HAS_COMMA( \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_DETECT_NOEXCEPT, ~, _Tuple))
#define GMOCK_INTERNAL_GET_CALLTYPE(_Tuple) \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_CALLTYPE_IMPL, ~, _Tuple)
#define GMOCK_INTERNAL_ASSERT_VALID_SPEC_ELEMENT(_i, _, _elem) \
static_assert( \
(GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem)) + \
GMOCK_PP_HAS_COMMA(GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem)) + \
GMOCK_INTERNAL_IS_CALLTYPE(_elem)) == 1, \
GMOCK_PP_STRINGIZE( \
_elem) " cannot be recognized as a valid specification modifier.");
// Modifiers implementation.
#define GMOCK_INTERNAL_DETECT_CONST(_i, _, _elem) \
GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_CONST_I_, _elem)
#define GMOCK_INTERNAL_DETECT_CONST_I_const ,
#define GMOCK_INTERNAL_DETECT_OVERRIDE(_i, _, _elem) \
GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_OVERRIDE_I_, _elem)
#define GMOCK_INTERNAL_DETECT_OVERRIDE_I_override ,
#define GMOCK_INTERNAL_DETECT_FINAL(_i, _, _elem) \
GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_FINAL_I_, _elem)
#define GMOCK_INTERNAL_DETECT_FINAL_I_final ,
// TODO(iserna): Maybe noexcept should accept an argument here as well.
#define GMOCK_INTERNAL_DETECT_NOEXCEPT(_i, _, _elem) \
GMOCK_PP_CAT(GMOCK_INTERNAL_DETECT_NOEXCEPT_I_, _elem)
#define GMOCK_INTERNAL_DETECT_NOEXCEPT_I_noexcept ,
#define GMOCK_INTERNAL_GET_CALLTYPE_IMPL(_i, _, _elem) \
GMOCK_PP_IF(GMOCK_INTERNAL_IS_CALLTYPE(_elem), \
GMOCK_INTERNAL_GET_VALUE_CALLTYPE, GMOCK_PP_EMPTY) \
(_elem)
// TODO(iserna): GMOCK_INTERNAL_IS_CALLTYPE and
// GMOCK_INTERNAL_GET_VALUE_CALLTYPE needed more expansions to work on windows
// maybe they can be simplified somehow.
#define GMOCK_INTERNAL_IS_CALLTYPE(_arg) \
GMOCK_INTERNAL_IS_CALLTYPE_I( \
GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
#define GMOCK_INTERNAL_IS_CALLTYPE_I(_arg) GMOCK_PP_IS_ENCLOSED_PARENS(_arg)
#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE(_arg) \
GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I( \
GMOCK_PP_CAT(GMOCK_INTERNAL_IS_CALLTYPE_HELPER_, _arg))
#define GMOCK_INTERNAL_GET_VALUE_CALLTYPE_I(_arg) \
GMOCK_PP_CAT(GMOCK_PP_IDENTITY, _arg)
#define GMOCK_INTERNAL_IS_CALLTYPE_HELPER_Calltype
// Note: The use of `identity_t` here allows _Ret to represent return types that
// would normally need to be specified in a different way. For example, a method
// returning a function pointer must be written as
//
// fn_ptr_return_t (*method(method_args_t...))(fn_ptr_args_t...)
//
// But we only support placing the return type at the beginning. To handle this,
// we wrap all calls in identity_t, so that a declaration will be expanded to
//
// identity_t<fn_ptr_return_t (*)(fn_ptr_args_t...)> method(method_args_t...)
//
// This allows us to work around the syntactic oddities of function/method
// types.
#define GMOCK_INTERNAL_SIGNATURE(_Ret, _Args) \
::testing::internal::identity_t<GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_Ret), \
GMOCK_PP_REMOVE_PARENS, \
GMOCK_PP_IDENTITY)(_Ret)>( \
GMOCK_PP_FOR_EACH(GMOCK_INTERNAL_GET_TYPE, _, _Args))
#define GMOCK_INTERNAL_GET_TYPE(_i, _, _elem) \
GMOCK_PP_COMMA_IF(_i) \
GMOCK_PP_IF(GMOCK_PP_IS_BEGIN_PARENS(_elem), GMOCK_PP_REMOVE_PARENS, \
GMOCK_PP_IDENTITY) \
(_elem)
#define GMOCK_INTERNAL_PARAMETER(_i, _Signature, _) \
GMOCK_PP_COMMA_IF(_i) \
GMOCK_INTERNAL_ARG_O(typename, GMOCK_PP_INC(_i), \
GMOCK_PP_REMOVE_PARENS(_Signature)) \
gmock_a##_i
#define GMOCK_INTERNAL_FORWARD_ARG(_i, _Signature, _) \
GMOCK_PP_COMMA_IF(_i) \
::std::forward<GMOCK_INTERNAL_ARG_O(typename, GMOCK_PP_INC(_i), \
GMOCK_PP_REMOVE_PARENS(_Signature))>( \
gmock_a##_i)
#define GMOCK_INTERNAL_MATCHER_PARAMETER(_i, _Signature, _) \
GMOCK_PP_COMMA_IF(_i) \
GMOCK_INTERNAL_MATCHER_O(typename, GMOCK_PP_INC(_i), \
GMOCK_PP_REMOVE_PARENS(_Signature)) \
gmock_a##_i
#define GMOCK_INTERNAL_MATCHER_ARGUMENT(_i, _1, _2) \
GMOCK_PP_COMMA_IF(_i) \
gmock_a##_i
#define GMOCK_INTERNAL_A_MATCHER_ARGUMENT(_i, _Signature, _) \
GMOCK_PP_COMMA_IF(_i) \
::testing::A<GMOCK_INTERNAL_ARG_O(typename, GMOCK_PP_INC(_i), \
GMOCK_PP_REMOVE_PARENS(_Signature))>()
#define GMOCK_INTERNAL_ARG_O(_tn, _i, ...) GMOCK_ARG_(_tn, _i, __VA_ARGS__)
#define GMOCK_INTERNAL_MATCHER_O(_tn, _i, ...) \
GMOCK_MATCHER_(_tn, _i, __VA_ARGS__)
#endif // THIRD_PARTY_GOOGLETEST_GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_FUNCTION_MOCKER_H_
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