$$ -*- mode: c++; -*- $$ This is a Pump source file. Please use Pump to convert $$ it to gmock-generated-function-mockers.h. $$ $var n = 10 $$ The maximum arity we support. // 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 function mockers of various arities. // GOOGLETEST_CM0002 DO NOT DELETE #ifndef GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_ #define GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_ #include "gmock/gmock-spec-builders.h" #include "gmock/internal/gmock-internal-utils.h" #if GTEST_HAS_STD_FUNCTION_ # include #endif namespace testing { namespace internal { template class FunctionMockerBase; // Note: class FunctionMocker really belongs to the ::testing // namespace. However if we define it in ::testing, MSVC will // complain when classes in ::testing::internal declare it as a // friend class template. To workaround this compiler bug, we define // FunctionMocker in ::testing::internal and import it into ::testing. template class FunctionMocker; $range i 0..n $for i [[ $range j 1..i $var typename_As = [[$for j [[, typename A$j]]]] $var As = [[$for j, [[A$j]]]] $var as = [[$for j, [[internal::forward(a$j)]]]] $var Aas = [[$for j, [[A$j a$j]]]] $var ms = [[$for j, [[m$j]]]] $var matchers = [[$for j, [[const Matcher& m$j]]]] template class FunctionMocker : public internal::FunctionMockerBase { public: typedef R F($As); typedef typename internal::Function::ArgumentTuple ArgumentTuple; MockSpec With($matchers) { return MockSpec(this, ::testing::make_tuple($ms)); } R Invoke($Aas) { // Even though gcc and MSVC don't enforce it, 'this->' is required // by the C++ standard [14.6.4] here, as the base class type is // dependent on the template argument (and thus shouldn't be // looked into when resolving InvokeWith). return this->InvokeWith(ArgumentTuple($as)); } }; ]] // Removes the given pointer; this is a helper for the expectation setter method // for parameterless matchers. // // We want to make sure that the user cannot set a parameterless expectation on // overloaded methods, including methods which are overloaded on const. Example: // // class MockClass { // MOCK_METHOD0(GetName, string&()); // MOCK_CONST_METHOD0(GetName, const string&()); // }; // // TEST() { // // This should be an error, as it's not clear which overload is expected. // EXPECT_CALL(mock, GetName).WillOnce(ReturnRef(value)); // } // // Here are the generated expectation-setter methods: // // class MockClass { // // Overload 1 // MockSpec gmock_GetName() { ... } // // Overload 2. Declared const so that the compiler will generate an // // error when trying to resolve between this and overload 4 in // // 'gmock_GetName(WithoutMatchers(), nullptr)'. // MockSpec gmock_GetName( // const WithoutMatchers&, const Function*) const { // // Removes const from this, calls overload 1 // return AdjustConstness_(this)->gmock_GetName(); // } // // // Overload 3 // const string& gmock_GetName() const { ... } // // Overload 4 // MockSpec gmock_GetName( // const WithoutMatchers&, const Function*) const { // // Does not remove const, calls overload 3 // return AdjustConstness_const(this)->gmock_GetName(); // } // } // template const MockType* AdjustConstness_const(const MockType* mock) { return mock; } // Removes const from and returns the given pointer; this is a helper for the // expectation setter method for parameterless matchers. template MockType* AdjustConstness_(const MockType* mock) { return const_cast(mock); } } // namespace internal // The style guide prohibits "using" statements in a namespace scope // inside a header file. However, the FunctionMocker class template // is meant to be defined in the ::testing namespace. The following // line is just a trick for working around a bug in MSVC 8.0, which // cannot handle it if we define FunctionMocker in ::testing. using internal::FunctionMocker; // GMOCK_RESULT_(tn, F) expands to the result type of function type F. // We define this as a variadic macro in case F contains unprotected // commas (the same reason that we use variadic macros in other places // in this file). // INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! #define GMOCK_RESULT_(tn, ...) \ tn ::testing::internal::Function<__VA_ARGS__>::Result // The type of argument N of the given function type. // INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! #define GMOCK_ARG_(tn, N, ...) \ tn ::testing::internal::Function<__VA_ARGS__>::Argument##N // The matcher type for argument N of the given function type. // INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! #define GMOCK_MATCHER_(tn, N, ...) \ const ::testing::Matcher& // The variable for mocking the given method. // INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! #define GMOCK_MOCKER_(arity, constness, Method) \ GTEST_CONCAT_TOKEN_(gmock##constness##arity##_##Method##_, __LINE__) $for i [[ $range j 1..i $var arg_as = [[$for j, [[GMOCK_ARG_(tn, $j, __VA_ARGS__) gmock_a$j]]]] $var as = [[$for j, \ [[::testing::internal::forward(gmock_a$j)]]]] $var matcher_arg_as = [[$for j, \ [[GMOCK_MATCHER_(tn, $j, __VA_ARGS__) gmock_a$j]]]] $var matcher_as = [[$for j, [[gmock_a$j]]]] $var anything_matchers = [[$for j, \ [[::testing::A()]]]] // INTERNAL IMPLEMENTATION - DON'T USE IN USER CODE!!! #define GMOCK_METHOD$i[[]]_(tn, constness, ct, Method, ...) \ GMOCK_RESULT_(tn, __VA_ARGS__) ct Method( \ $arg_as) constness { \ GTEST_COMPILE_ASSERT_((::testing::tuple_size< \ tn ::testing::internal::Function<__VA_ARGS__>::ArgumentTuple>::value == $i), \ this_method_does_not_take_$i[[]]_argument[[$if i != 1 [[s]]]]); \ GMOCK_MOCKER_($i, constness, Method).SetOwnerAndName(this, #Method); \ return GMOCK_MOCKER_($i, constness, Method).Invoke($as); \ } \ ::testing::MockSpec<__VA_ARGS__> \ gmock_##Method($matcher_arg_as) constness { \ GMOCK_MOCKER_($i, constness, Method).RegisterOwner(this); \ return GMOCK_MOCKER_($i, constness, Method).With($matcher_as); \ } \ ::testing::MockSpec<__VA_ARGS__> gmock_##Method( \ const ::testing::internal::WithoutMatchers&, \ constness ::testing::internal::Function<__VA_ARGS__>* ) const { \ return ::testing::internal::AdjustConstness_##constness(this)-> \ gmock_##Method($anything_matchers); \ } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_($i, constness, Method) ]] $for i [[ #define MOCK_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, , , m, __VA_ARGS__) ]] $for i [[ #define MOCK_CONST_METHOD$i(m, ...) GMOCK_METHOD$i[[]]_(, const, , m, __VA_ARGS__) ]] $for i [[ #define MOCK_METHOD$i[[]]_T(m, ...) GMOCK_METHOD$i[[]]_(typename, , , m, __VA_ARGS__) ]] $for i [[ #define MOCK_CONST_METHOD$i[[]]_T(m, ...) \ GMOCK_METHOD$i[[]]_(typename, const, , m, __VA_ARGS__) ]] $for i [[ #define MOCK_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \ GMOCK_METHOD$i[[]]_(, , ct, m, __VA_ARGS__) ]] $for i [[ #define MOCK_CONST_METHOD$i[[]]_WITH_CALLTYPE(ct, m, ...) \ GMOCK_METHOD$i[[]]_(, const, ct, m, __VA_ARGS__) ]] $for i [[ #define MOCK_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \ GMOCK_METHOD$i[[]]_(typename, , ct, m, __VA_ARGS__) ]] $for i [[ #define MOCK_CONST_METHOD$i[[]]_T_WITH_CALLTYPE(ct, m, ...) \ GMOCK_METHOD$i[[]]_(typename, const, ct, m, __VA_ARGS__) ]] // A MockFunction class has one mock method whose type is F. It is // useful when you just want your test code to emit some messages and // have Google Mock verify the right messages are sent (and perhaps at // the right times). For example, if you are exercising code: // // Foo(1); // Foo(2); // Foo(3); // // and want to verify that Foo(1) and Foo(3) both invoke // mock.Bar("a"), but Foo(2) doesn't invoke anything, you can write: // // TEST(FooTest, InvokesBarCorrectly) { // MyMock mock; // MockFunction check; // { // InSequence s; // // EXPECT_CALL(mock, Bar("a")); // EXPECT_CALL(check, Call("1")); // EXPECT_CALL(check, Call("2")); // EXPECT_CALL(mock, Bar("a")); // } // Foo(1); // check.Call("1"); // Foo(2); // check.Call("2"); // Foo(3); // } // // The expectation spec says that the first Bar("a") must happen // before check point "1", the second Bar("a") must happen after check // point "2", and nothing should happen between the two check // points. The explicit check points make it easy to tell which // Bar("a") is called by which call to Foo(). // // MockFunction can also be used to exercise code that accepts // std::function callbacks. To do so, use AsStdFunction() method // to create std::function proxy forwarding to original object's Call. // Example: // // TEST(FooTest, RunsCallbackWithBarArgument) { // MockFunction callback; // EXPECT_CALL(callback, Call("bar")).WillOnce(Return(1)); // Foo(callback.AsStdFunction()); // } template class MockFunction; $for i [[ $range j 0..i-1 $var ArgTypes = [[$for j, [[A$j]]]] $var ArgValues = [[$for j, [[::std::move(a$j)]]]] $var ArgDecls = [[$for j, [[A$j a$j]]]] template class MockFunction { public: MockFunction() {} MOCK_METHOD$i[[]]_T(Call, R($ArgTypes)); #if GTEST_HAS_STD_FUNCTION_ ::std::function AsStdFunction() { return [this]($ArgDecls) -> R { return this->Call($ArgValues); }; } #endif // GTEST_HAS_STD_FUNCTION_ private: GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFunction); }; ]] } // namespace testing #endif // GMOCK_INCLUDE_GMOCK_GMOCK_GENERATED_FUNCTION_MOCKERS_H_