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gmock-function-mocker_test.cc
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gmock-function-mocker_test.cc
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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 tests the function mocker classes.
			#include "gmock/gmock-generated-function-mockers.h"

			#if GTEST_OS_WINDOWS
			// MSDN says the header file to be included for STDMETHOD is BaseTyps.h but
			// we are getting compiler errors if we use basetyps.h, hence including
			// objbase.h for definition of STDMETHOD.
			# include <objbase.h>
			#endif // GTEST_OS_WINDOWS

			#include <map>
			#include <string>
			#include <type_traits>

			#include "gmock/gmock.h"
			#include "gtest/gtest.h"

			namespace testing {
			namespace gmock_function_mocker_test {

			using testing::_;
			using testing::A;
			using testing::An;
			using testing::AnyNumber;
			using testing::Const;
			using testing::DoDefault;
			using testing::Eq;
			using testing::Lt;
			using testing::MockFunction;
			using testing::Ref;
			using testing::Return;
			using testing::ReturnRef;
			using testing::TypedEq;

			template<typename T>
			class TemplatedCopyable {
			public:
			TemplatedCopyable() {}

			template <typename U>
			TemplatedCopyable(const U& other) {} // NOLINT
			};

			class FooInterface {
			public:
			virtual ~FooInterface() {}

			virtual void VoidReturning(int x) = 0;

			virtual int Nullary() = 0;
			virtual bool Unary(int x) = 0;
			virtual long Binary(short x, int y) = 0; // NOLINT
			virtual int Decimal(bool b, char c, short d, int e, long f, // NOLINT
			float g, double h, unsigned i, char* j,
			const std::string& k) = 0;

			virtual bool TakesNonConstReference(int& n) = 0; // NOLINT
			virtual std::string TakesConstReference(const int& n) = 0;
			virtual bool TakesConst(const int x) = 0;

			virtual int OverloadedOnArgumentNumber() = 0;
			virtual int OverloadedOnArgumentNumber(int n) = 0;

			virtual int OverloadedOnArgumentType(int n) = 0;
			virtual char OverloadedOnArgumentType(char c) = 0;

			virtual int OverloadedOnConstness() = 0;
			virtual char OverloadedOnConstness() const = 0;

			virtual int TypeWithHole(int (*func)()) = 0;
			virtual int TypeWithComma(const std::map<int, std::string>& a_map) = 0;
			virtual int TypeWithTemplatedCopyCtor(const TemplatedCopyable<int>&) = 0;

			virtual int (*ReturnsFunctionPointer1(int))(bool) = 0;
			using fn_ptr = int (*)(bool);
			virtual fn_ptr ReturnsFunctionPointer2(int) = 0;

			#if GTEST_OS_WINDOWS
			STDMETHOD_(int, CTNullary)() = 0;
			STDMETHOD_(bool, CTUnary)(int x) = 0;
			STDMETHOD_(int, CTDecimal)
			(bool b, char c, short d, int e, long f, // NOLINT
			float g, double h, unsigned i, char* j, const std::string& k) = 0;
			STDMETHOD_(char, CTConst)(int x) const = 0;
			#endif // GTEST_OS_WINDOWS
			};

			// Const qualifiers on arguments were once (incorrectly) considered
			// significant in determining whether two virtual functions had the same
			// signature. This was fixed in Visual Studio 2008. However, the compiler
			// still emits a warning that alerts about this change in behavior.
			#ifdef _MSC_VER
			# pragma warning(push)
			# pragma warning(disable : 4373)
			#endif
			class MockFoo : public FooInterface {
			public:
			MockFoo() {}

			// Makes sure that a mock function parameter can be named.
			MOCK_METHOD(void, VoidReturning, (int n)); // NOLINT

			MOCK_METHOD(int, Nullary, ()); // NOLINT

			// Makes sure that a mock function parameter can be unnamed.
			MOCK_METHOD(bool, Unary, (int)); // NOLINT
			MOCK_METHOD(long, Binary, (short, int)); // NOLINT
			MOCK_METHOD(int, Decimal,
			(bool, char, short, int, long, float, // NOLINT
			double, unsigned, char*, const std::string& str),
			(override));

			MOCK_METHOD(bool, TakesNonConstReference, (int&)); // NOLINT
			MOCK_METHOD(std::string, TakesConstReference, (const int&));
			MOCK_METHOD(bool, TakesConst, (const int)); // NOLINT

			// Tests that the function return type can contain unprotected comma.
			MOCK_METHOD((std::map<int, std::string>), ReturnTypeWithComma, (), ());
			MOCK_METHOD((std::map<int, std::string>), ReturnTypeWithComma, (int),
			(const)); // NOLINT

			MOCK_METHOD(int, OverloadedOnArgumentNumber, ()); // NOLINT
			MOCK_METHOD(int, OverloadedOnArgumentNumber, (int)); // NOLINT

			MOCK_METHOD(int, OverloadedOnArgumentType, (int)); // NOLINT
			MOCK_METHOD(char, OverloadedOnArgumentType, (char)); // NOLINT

			MOCK_METHOD(int, OverloadedOnConstness, (), (override)); // NOLINT
			MOCK_METHOD(char, OverloadedOnConstness, (), (override, const)); // NOLINT

			MOCK_METHOD(int, TypeWithHole, (int (*)()), ()); // NOLINT
			MOCK_METHOD(int, TypeWithComma, ((const std::map<int, std::string>&)));
			MOCK_METHOD(int, TypeWithTemplatedCopyCtor,
			(const TemplatedCopyable<int>&)); // NOLINT

			MOCK_METHOD(int (*)(bool), ReturnsFunctionPointer1, (int), ());
			MOCK_METHOD(fn_ptr, ReturnsFunctionPointer2, (int), ());

			#if GTEST_OS_WINDOWS
			MOCK_METHOD(int, CTNullary, (), (Calltype(STDMETHODCALLTYPE)));
			MOCK_METHOD(bool, CTUnary, (int), (Calltype(STDMETHODCALLTYPE)));
			MOCK_METHOD(int, CTDecimal,
			(bool b, char c, short d, int e, long f, float g, double h,
			unsigned i, char* j, const std::string& k),
			(Calltype(STDMETHODCALLTYPE)));
			MOCK_METHOD(char, CTConst, (int), (const, Calltype(STDMETHODCALLTYPE)));
			MOCK_METHOD((std::map<int, std::string>), CTReturnTypeWithComma, (),
			(Calltype(STDMETHODCALLTYPE)));
			#endif // GTEST_OS_WINDOWS

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
			};
			#ifdef _MSC_VER
			# pragma warning(pop)
			#endif

			class MockMethodFunctionMockerTest : public testing::Test {
			protected:
			MockMethodFunctionMockerTest() : foo_(&mock_foo_) {}

			FooInterface* const foo_;
			MockFoo mock_foo_;
			};

			// Tests mocking a void-returning function.
			TEST_F(MockMethodFunctionMockerTest, MocksVoidFunction) {
			EXPECT_CALL(mock_foo_, VoidReturning(Lt(100)));
			foo_->VoidReturning(0);
			}

			// Tests mocking a nullary function.
			TEST_F(MockMethodFunctionMockerTest, MocksNullaryFunction) {
			EXPECT_CALL(mock_foo_, Nullary())
			.WillOnce(DoDefault())
			.WillOnce(Return(1));

			EXPECT_EQ(0, foo_->Nullary());
			EXPECT_EQ(1, foo_->Nullary());
			}

			// Tests mocking a unary function.
			TEST_F(MockMethodFunctionMockerTest, MocksUnaryFunction) {
			EXPECT_CALL(mock_foo_, Unary(Eq(2)))
			.Times(2)
			.WillOnce(Return(true));

			EXPECT_TRUE(foo_->Unary(2));
			EXPECT_FALSE(foo_->Unary(2));
			}

			// Tests mocking a binary function.
			TEST_F(MockMethodFunctionMockerTest, MocksBinaryFunction) {
			EXPECT_CALL(mock_foo_, Binary(2, _))
			.WillOnce(Return(3));

			EXPECT_EQ(3, foo_->Binary(2, 1));
			}

			// Tests mocking a decimal function.
			TEST_F(MockMethodFunctionMockerTest, MocksDecimalFunction) {
			EXPECT_CALL(mock_foo_, Decimal(true, 'a', 0, 0, 1L, A<float>(),
			Lt(100), 5U, NULL, "hi"))
			.WillOnce(Return(5));

			EXPECT_EQ(5, foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi"));
			}

			// Tests mocking a function that takes a non-const reference.
			TEST_F(MockMethodFunctionMockerTest,
			MocksFunctionWithNonConstReferenceArgument) {
			int a = 0;
			EXPECT_CALL(mock_foo_, TakesNonConstReference(Ref(a)))
			.WillOnce(Return(true));

			EXPECT_TRUE(foo_->TakesNonConstReference(a));
			}

			// Tests mocking a function that takes a const reference.
			TEST_F(MockMethodFunctionMockerTest, MocksFunctionWithConstReferenceArgument) {
			int a = 0;
			EXPECT_CALL(mock_foo_, TakesConstReference(Ref(a)))
			.WillOnce(Return("Hello"));

			EXPECT_EQ("Hello", foo_->TakesConstReference(a));
			}

			// Tests mocking a function that takes a const variable.
			TEST_F(MockMethodFunctionMockerTest, MocksFunctionWithConstArgument) {
			EXPECT_CALL(mock_foo_, TakesConst(Lt(10)))
			.WillOnce(DoDefault());

			EXPECT_FALSE(foo_->TakesConst(5));
			}

			// Tests mocking functions overloaded on the number of arguments.
			TEST_F(MockMethodFunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) {
			EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber())
			.WillOnce(Return(1));
			EXPECT_CALL(mock_foo_, OverloadedOnArgumentNumber(_))
			.WillOnce(Return(2));

			EXPECT_EQ(2, foo_->OverloadedOnArgumentNumber(1));
			EXPECT_EQ(1, foo_->OverloadedOnArgumentNumber());
			}

			// Tests mocking functions overloaded on the types of argument.
			TEST_F(MockMethodFunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) {
			EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(An<int>()))
			.WillOnce(Return(1));
			EXPECT_CALL(mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a')))
			.WillOnce(Return('b'));

			EXPECT_EQ(1, foo_->OverloadedOnArgumentType(0));
			EXPECT_EQ('b', foo_->OverloadedOnArgumentType('a'));
			}

			// Tests mocking functions overloaded on the const-ness of this object.
			TEST_F(MockMethodFunctionMockerTest,
			MocksFunctionsOverloadedOnConstnessOfThis) {
			EXPECT_CALL(mock_foo_, OverloadedOnConstness());
			EXPECT_CALL(Const(mock_foo_), OverloadedOnConstness())
			.WillOnce(Return('a'));

			EXPECT_EQ(0, foo_->OverloadedOnConstness());
			EXPECT_EQ('a', Const(*foo_).OverloadedOnConstness());
			}

			TEST_F(MockMethodFunctionMockerTest, MocksReturnTypeWithComma) {
			const std::map<int, std::string> a_map;
			EXPECT_CALL(mock_foo_, ReturnTypeWithComma())
			.WillOnce(Return(a_map));
			EXPECT_CALL(mock_foo_, ReturnTypeWithComma(42))
			.WillOnce(Return(a_map));

			EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma());
			EXPECT_EQ(a_map, mock_foo_.ReturnTypeWithComma(42));
			}

			TEST_F(MockMethodFunctionMockerTest, MocksTypeWithTemplatedCopyCtor) {
			EXPECT_CALL(mock_foo_, TypeWithTemplatedCopyCtor(_)).WillOnce(Return(true));
			EXPECT_TRUE(foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>()));
			}

			#if GTEST_OS_WINDOWS
			// Tests mocking a nullary function with calltype.
			TEST_F(MockMethodFunctionMockerTest, MocksNullaryFunctionWithCallType) {
			EXPECT_CALL(mock_foo_, CTNullary())
			.WillOnce(Return(-1))
			.WillOnce(Return(0));

			EXPECT_EQ(-1, foo_->CTNullary());
			EXPECT_EQ(0, foo_->CTNullary());
			}

			// Tests mocking a unary function with calltype.
			TEST_F(MockMethodFunctionMockerTest, MocksUnaryFunctionWithCallType) {
			EXPECT_CALL(mock_foo_, CTUnary(Eq(2)))
			.Times(2)
			.WillOnce(Return(true))
			.WillOnce(Return(false));

			EXPECT_TRUE(foo_->CTUnary(2));
			EXPECT_FALSE(foo_->CTUnary(2));
			}

			// Tests mocking a decimal function with calltype.
			TEST_F(MockMethodFunctionMockerTest, MocksDecimalFunctionWithCallType) {
			EXPECT_CALL(mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(),
			Lt(100), 5U, NULL, "hi"))
			.WillOnce(Return(10));

			EXPECT_EQ(10, foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, NULL, "hi"));
			}

			// Tests mocking functions overloaded on the const-ness of this object.
			TEST_F(MockMethodFunctionMockerTest, MocksFunctionsConstFunctionWithCallType) {
			EXPECT_CALL(Const(mock_foo_), CTConst(_))
			.WillOnce(Return('a'));

			EXPECT_EQ('a', Const(*foo_).CTConst(0));
			}

			TEST_F(MockMethodFunctionMockerTest, MocksReturnTypeWithCommaAndCallType) {
			const std::map<int, std::string> a_map;
			EXPECT_CALL(mock_foo_, CTReturnTypeWithComma())
			.WillOnce(Return(a_map));

			EXPECT_EQ(a_map, mock_foo_.CTReturnTypeWithComma());
			}

			#endif // GTEST_OS_WINDOWS

			class MockB {
			public:
			MockB() {}

			MOCK_METHOD(void, DoB, ());

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB);
			};

			// Tests that functions with no EXPECT_CALL() rules can be called any
			// number of times.
			TEST(MockMethodExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) {
			{
			MockB b;
			}

			{
			MockB b;
			b.DoB();
			}

			{
			MockB b;
			b.DoB();
			b.DoB();
			}
			}

			// Tests mocking template interfaces.

			template <typename T>
			class StackInterface {
			public:
			virtual ~StackInterface() {}

			// Template parameter appears in function parameter.
			virtual void Push(const T& value) = 0;
			virtual void Pop() = 0;
			virtual int GetSize() const = 0;
			// Template parameter appears in function return type.
			virtual const T& GetTop() const = 0;
			};

			template <typename T>
			class MockStack : public StackInterface<T> {
			public:
			MockStack() {}

			MOCK_METHOD(void, Push, (const T& elem), ());
			MOCK_METHOD(void, Pop, (), (final));
			MOCK_METHOD(int, GetSize, (), (const, override));
			MOCK_METHOD(const T&, GetTop, (), (const));

			// Tests that the function return type can contain unprotected comma.
			MOCK_METHOD((std::map<int, int>), ReturnTypeWithComma, (), ());
			MOCK_METHOD((std::map<int, int>), ReturnTypeWithComma, (int), (const));

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStack);
			};

			// Tests that template mock works.
			TEST(MockMethodTemplateMockTest, Works) {
			MockStack<int> mock;

			EXPECT_CALL(mock, GetSize())
			.WillOnce(Return(0))
			.WillOnce(Return(1))
			.WillOnce(Return(0));
			EXPECT_CALL(mock, Push(_));
			int n = 5;
			EXPECT_CALL(mock, GetTop())
			.WillOnce(ReturnRef(n));
			EXPECT_CALL(mock, Pop())
			.Times(AnyNumber());

			EXPECT_EQ(0, mock.GetSize());
			mock.Push(5);
			EXPECT_EQ(1, mock.GetSize());
			EXPECT_EQ(5, mock.GetTop());
			mock.Pop();
			EXPECT_EQ(0, mock.GetSize());
			}

			TEST(MockMethodTemplateMockTest, MethodWithCommaInReturnTypeWorks) {
			MockStack<int> mock;

			const std::map<int, int> a_map;
			EXPECT_CALL(mock, ReturnTypeWithComma())
			.WillOnce(Return(a_map));
			EXPECT_CALL(mock, ReturnTypeWithComma(1))
			.WillOnce(Return(a_map));

			EXPECT_EQ(a_map, mock.ReturnTypeWithComma());
			EXPECT_EQ(a_map, mock.ReturnTypeWithComma(1));
			}

			#if GTEST_OS_WINDOWS
			// Tests mocking template interfaces with calltype.

			template <typename T>
			class StackInterfaceWithCallType {
			public:
			virtual ~StackInterfaceWithCallType() {}

			// Template parameter appears in function parameter.
			STDMETHOD_(void, Push)(const T& value) = 0;
			STDMETHOD_(void, Pop)() = 0;
			STDMETHOD_(int, GetSize)() const = 0;
			// Template parameter appears in function return type.
			STDMETHOD_(const T&, GetTop)() const = 0;
			};

			template <typename T>
			class MockStackWithCallType : public StackInterfaceWithCallType<T> {
			public:
			MockStackWithCallType() {}

			MOCK_METHOD(void, Push, (const T& elem),
			(Calltype(STDMETHODCALLTYPE), override));
			MOCK_METHOD(void, Pop, (), (Calltype(STDMETHODCALLTYPE), override));
			MOCK_METHOD(int, GetSize, (), (Calltype(STDMETHODCALLTYPE), override, const));
			MOCK_METHOD(const T&, GetTop, (),
			(Calltype(STDMETHODCALLTYPE), override, const));

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockStackWithCallType);
			};

			// Tests that template mock with calltype works.
			TEST(MockMethodTemplateMockTestWithCallType, Works) {
			MockStackWithCallType<int> mock;

			EXPECT_CALL(mock, GetSize())
			.WillOnce(Return(0))
			.WillOnce(Return(1))
			.WillOnce(Return(0));
			EXPECT_CALL(mock, Push(_));
			int n = 5;
			EXPECT_CALL(mock, GetTop())
			.WillOnce(ReturnRef(n));
			EXPECT_CALL(mock, Pop())
			.Times(AnyNumber());

			EXPECT_EQ(0, mock.GetSize());
			mock.Push(5);
			EXPECT_EQ(1, mock.GetSize());
			EXPECT_EQ(5, mock.GetTop());
			mock.Pop();
			EXPECT_EQ(0, mock.GetSize());
			}
			#endif // GTEST_OS_WINDOWS

			#define MY_MOCK_METHODS1_ \
			MOCK_METHOD(void, Overloaded, ()); \
			MOCK_METHOD(int, Overloaded, (int), (const)); \
			MOCK_METHOD(bool, Overloaded, (bool f, int n))

			class MockOverloadedOnArgNumber {
			public:
			MockOverloadedOnArgNumber() {}

			MY_MOCK_METHODS1_;

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnArgNumber);
			};

			TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) {
			MockOverloadedOnArgNumber mock;
			EXPECT_CALL(mock, Overloaded());
			EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2));
			EXPECT_CALL(mock, Overloaded(true, 1)).WillOnce(Return(true));

			mock.Overloaded();
			EXPECT_EQ(2, mock.Overloaded(1));
			EXPECT_TRUE(mock.Overloaded(true, 1));
			}

			#define MY_MOCK_METHODS2_ \
			MOCK_CONST_METHOD1(Overloaded, int(int n)); \
			MOCK_METHOD1(Overloaded, int(int n))

			class MockOverloadedOnConstness {
			public:
			MockOverloadedOnConstness() {}

			MY_MOCK_METHODS2_;

			private:
			GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnConstness);
			};

			TEST(MockMethodOverloadedMockMethodTest, CanOverloadOnConstnessInMacroBody) {
			MockOverloadedOnConstness mock;
			const MockOverloadedOnConstness* const_mock = &mock;
			EXPECT_CALL(mock, Overloaded(1)).WillOnce(Return(2));
			EXPECT_CALL(*const_mock, Overloaded(1)).WillOnce(Return(3));

			EXPECT_EQ(2, mock.Overloaded(1));
			EXPECT_EQ(3, const_mock->Overloaded(1));
			}

			TEST(MockMethodMockFunctionTest, WorksForVoidNullary) {
			MockFunction<void()> foo;
			EXPECT_CALL(foo, Call());
			foo.Call();
			}

			TEST(MockMethodMockFunctionTest, WorksForNonVoidNullary) {
			MockFunction<int()> foo;
			EXPECT_CALL(foo, Call())
			.WillOnce(Return(1))
			.WillOnce(Return(2));
			EXPECT_EQ(1, foo.Call());
			EXPECT_EQ(2, foo.Call());
			}

			TEST(MockMethodMockFunctionTest, WorksForVoidUnary) {
			MockFunction<void(int)> foo;
			EXPECT_CALL(foo, Call(1));
			foo.Call(1);
			}

			TEST(MockMethodMockFunctionTest, WorksForNonVoidBinary) {
			MockFunction<int(bool, int)> foo;
			EXPECT_CALL(foo, Call(false, 42))
			.WillOnce(Return(1))
			.WillOnce(Return(2));
			EXPECT_CALL(foo, Call(true, Ge(100)))
			.WillOnce(Return(3));
			EXPECT_EQ(1, foo.Call(false, 42));
			EXPECT_EQ(2, foo.Call(false, 42));
			EXPECT_EQ(3, foo.Call(true, 120));
			}

			TEST(MockMethodMockFunctionTest, WorksFor10Arguments) {
			MockFunction<int(bool a0, char a1, int a2, int a3, int a4,
			int a5, int a6, char a7, int a8, bool a9)> foo;
			EXPECT_CALL(foo, Call(_, 'a', _, _, _, _, _, _, _, _))
			.WillOnce(Return(1))
			.WillOnce(Return(2));
			EXPECT_EQ(1, foo.Call(false, 'a', 0, 0, 0, 0, 0, 'b', 0, true));
			EXPECT_EQ(2, foo.Call(true, 'a', 0, 0, 0, 0, 0, 'b', 1, false));
			}

			TEST(MockMethodMockFunctionTest, AsStdFunction) {
			MockFunction<int(int)> foo;
			auto call = [](const std::function<int(int)> &f, int i) {
			return f(i);
			};
			EXPECT_CALL(foo, Call(1)).WillOnce(Return(-1));
			EXPECT_CALL(foo, Call(2)).WillOnce(Return(-2));
			EXPECT_EQ(-1, call(foo.AsStdFunction(), 1));
			EXPECT_EQ(-2, call(foo.AsStdFunction(), 2));
			}

			TEST(MockMethodMockFunctionTest, AsStdFunctionReturnsReference) {
			MockFunction<int&()> foo;
			int value = 1;
			EXPECT_CALL(foo, Call()).WillOnce(ReturnRef(value));
			int& ref = foo.AsStdFunction()();
			EXPECT_EQ(1, ref);
			value = 2;
			EXPECT_EQ(2, ref);
			}

			TEST(MockMethodMockFunctionTest, AsStdFunctionWithReferenceParameter) {
			MockFunction<int(int &)> foo;
			auto call = [](const std::function<int(int& )> &f, int &i) {
			return f(i);
			};
			int i = 42;
			EXPECT_CALL(foo, Call(i)).WillOnce(Return(-1));
			EXPECT_EQ(-1, call(foo.AsStdFunction(), i));
			}


			struct MockMethodSizes0 {
			MOCK_METHOD(void, func, ());
			};
			struct MockMethodSizes1 {
			MOCK_METHOD(void, func, (int));
			};
			struct MockMethodSizes2 {
			MOCK_METHOD(void, func, (int, int));
			};
			struct MockMethodSizes3 {
			MOCK_METHOD(void, func, (int, int, int));
			};
			struct MockMethodSizes4 {
			MOCK_METHOD(void, func, (int, int, int, int));
			};

			TEST(MockMethodMockFunctionTest, MockMethodSizeOverhead) {
			EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes1));
			EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes2));
			EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes3));
			EXPECT_EQ(sizeof(MockMethodSizes0), sizeof(MockMethodSizes4));
			}

			void hasTwoParams(int, int);
			void MaybeThrows();
			void DoesntThrow() noexcept;
			struct MockMethodNoexceptSpecifier {
			MOCK_METHOD(void, func1, (), (noexcept));
			MOCK_METHOD(void, func2, (), (noexcept(true)));
			MOCK_METHOD(void, func3, (), (noexcept(false)));
			MOCK_METHOD(void, func4, (), (noexcept(noexcept(MaybeThrows()))));
			MOCK_METHOD(void, func5, (), (noexcept(noexcept(DoesntThrow()))));
			MOCK_METHOD(void, func6, (), (noexcept(noexcept(DoesntThrow())), const));
			MOCK_METHOD(void, func7, (), (const, noexcept(noexcept(DoesntThrow()))));
			// Put commas in the noexcept expression
			MOCK_METHOD(void, func8, (), (noexcept(noexcept(hasTwoParams(1, 2))), const));
			};

			TEST(MockMethodMockFunctionTest, NoexceptSpecifierPreserved) {
			EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func1()));
			EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func2()));
			EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func3()));
			EXPECT_FALSE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func4()));
			EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func5()));
			EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func6()));
			EXPECT_TRUE(noexcept(std::declval<MockMethodNoexceptSpecifier>().func7()));
			EXPECT_EQ(noexcept(std::declval<MockMethodNoexceptSpecifier>().func8()),
			noexcept(hasTwoParams(1, 2)));
			}

			} // namespace gmock_function_mocker_test
			} // namespace testing

R9484/googlemock/test/gmock-function-mocker_test.cc057ee5063d00master

gmock-function-mocker_test.ccView Options

R9484/googlemock/test/gmock-function-mocker_test.cc
057ee5063d00master

gmock-function-mocker_test.cc
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