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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/googletest/googlemock/test/gmock-function-mocker_test.cc | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/googletest/googlemock/test/gmock-function-mocker_test.cc')
-rw-r--r-- | src/googletest/googlemock/test/gmock-function-mocker_test.cc | 974 |
1 files changed, 974 insertions, 0 deletions
diff --git a/src/googletest/googlemock/test/gmock-function-mocker_test.cc b/src/googletest/googlemock/test/gmock-function-mocker_test.cc new file mode 100644 index 000000000..45a524e20 --- /dev/null +++ b/src/googletest/googlemock/test/gmock-function-mocker_test.cc @@ -0,0 +1,974 @@ +// 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-function-mocker.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 <functional> +#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; + + virtual int RefQualifiedConstRef() const& = 0; + virtual int RefQualifiedConstRefRef() const&& = 0; + virtual int RefQualifiedRef() & = 0; + virtual int RefQualifiedRefRef() && = 0; + + virtual int RefQualifiedOverloaded() const& = 0; + virtual int RefQualifiedOverloaded() const&& = 0; + virtual int RefQualifiedOverloaded() & = 0; + virtual int RefQualifiedOverloaded() && = 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 + + // Test reference qualified functions. + MOCK_METHOD(int, RefQualifiedConstRef, (), (const, ref(&), override)); + MOCK_METHOD(int, RefQualifiedConstRefRef, (), (const, ref(&&), override)); + MOCK_METHOD(int, RefQualifiedRef, (), (ref(&), override)); + MOCK_METHOD(int, RefQualifiedRefRef, (), (ref(&&), override)); + + MOCK_METHOD(int, RefQualifiedOverloaded, (), (const, ref(&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (const, ref(&&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (ref(&), override)); + MOCK_METHOD(int, RefQualifiedOverloaded, (), (ref(&&), override)); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo); +}; + +class LegacyMockFoo : public FooInterface { + public: + LegacyMockFoo() {} + + // Makes sure that a mock function parameter can be named. + MOCK_METHOD1(VoidReturning, void(int n)); // NOLINT + + MOCK_METHOD0(Nullary, int()); // NOLINT + + // Makes sure that a mock function parameter can be unnamed. + MOCK_METHOD1(Unary, bool(int)); // NOLINT + MOCK_METHOD2(Binary, long(short, int)); // NOLINT + MOCK_METHOD10(Decimal, int(bool, char, short, int, long, float, // NOLINT + double, unsigned, char*, const std::string& str)); + + MOCK_METHOD1(TakesNonConstReference, bool(int&)); // NOLINT + MOCK_METHOD1(TakesConstReference, std::string(const int&)); + MOCK_METHOD1(TakesConst, bool(const int)); // NOLINT + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0(ReturnTypeWithComma, std::map<int, std::string>()); + MOCK_CONST_METHOD1(ReturnTypeWithComma, + std::map<int, std::string>(int)); // NOLINT + + MOCK_METHOD0(OverloadedOnArgumentNumber, int()); // NOLINT + MOCK_METHOD1(OverloadedOnArgumentNumber, int(int)); // NOLINT + + MOCK_METHOD1(OverloadedOnArgumentType, int(int)); // NOLINT + MOCK_METHOD1(OverloadedOnArgumentType, char(char)); // NOLINT + + MOCK_METHOD0(OverloadedOnConstness, int()); // NOLINT + MOCK_CONST_METHOD0(OverloadedOnConstness, char()); // NOLINT + + MOCK_METHOD1(TypeWithHole, int(int (*)())); // NOLINT + MOCK_METHOD1(TypeWithComma, + int(const std::map<int, std::string>&)); // NOLINT + MOCK_METHOD1(TypeWithTemplatedCopyCtor, + int(const TemplatedCopyable<int>&)); // NOLINT + + MOCK_METHOD1(ReturnsFunctionPointer1, int (*(int))(bool)); + MOCK_METHOD1(ReturnsFunctionPointer2, fn_ptr(int)); + +#if GTEST_OS_WINDOWS + MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTNullary, int()); + MOCK_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTUnary, bool(int)); // NOLINT + MOCK_METHOD10_WITH_CALLTYPE(STDMETHODCALLTYPE, CTDecimal, + int(bool b, char c, short d, int e, // NOLINT + long f, float g, double h, // NOLINT + unsigned i, char* j, const std::string& k)); + MOCK_CONST_METHOD1_WITH_CALLTYPE(STDMETHODCALLTYPE, CTConst, + char(int)); // NOLINT + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0_WITH_CALLTYPE(STDMETHODCALLTYPE, CTReturnTypeWithComma, + std::map<int, std::string>()); +#endif // GTEST_OS_WINDOWS + + // We can't mock these with the old macros, but we need to define them to make + // it concrete. + int RefQualifiedConstRef() const& override { return 0; } + int RefQualifiedConstRefRef() const&& override { return 0; } + int RefQualifiedRef() & override { return 0; } + int RefQualifiedRefRef() && override { return 0; } + int RefQualifiedOverloaded() const& override { return 0; } + int RefQualifiedOverloaded() const&& override { return 0; } + int RefQualifiedOverloaded() & override { return 0; } + int RefQualifiedOverloaded() && override { return 0; } + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockFoo); +}; + +#ifdef _MSC_VER +# pragma warning(pop) +#endif + +template <class T> +class FunctionMockerTest : public testing::Test { + protected: + FunctionMockerTest() : foo_(&mock_foo_) {} + + FooInterface* const foo_; + T mock_foo_; +}; +using FunctionMockerTestTypes = ::testing::Types<MockFoo, LegacyMockFoo>; +TYPED_TEST_SUITE(FunctionMockerTest, FunctionMockerTestTypes); + +// Tests mocking a void-returning function. +TYPED_TEST(FunctionMockerTest, MocksVoidFunction) { + EXPECT_CALL(this->mock_foo_, VoidReturning(Lt(100))); + this->foo_->VoidReturning(0); +} + +// Tests mocking a nullary function. +TYPED_TEST(FunctionMockerTest, MocksNullaryFunction) { + EXPECT_CALL(this->mock_foo_, Nullary()) + .WillOnce(DoDefault()) + .WillOnce(Return(1)); + + EXPECT_EQ(0, this->foo_->Nullary()); + EXPECT_EQ(1, this->foo_->Nullary()); +} + +// Tests mocking a unary function. +TYPED_TEST(FunctionMockerTest, MocksUnaryFunction) { + EXPECT_CALL(this->mock_foo_, Unary(Eq(2))).Times(2).WillOnce(Return(true)); + + EXPECT_TRUE(this->foo_->Unary(2)); + EXPECT_FALSE(this->foo_->Unary(2)); +} + +// Tests mocking a binary function. +TYPED_TEST(FunctionMockerTest, MocksBinaryFunction) { + EXPECT_CALL(this->mock_foo_, Binary(2, _)).WillOnce(Return(3)); + + EXPECT_EQ(3, this->foo_->Binary(2, 1)); +} + +// Tests mocking a decimal function. +TYPED_TEST(FunctionMockerTest, MocksDecimalFunction) { + EXPECT_CALL(this->mock_foo_, + Decimal(true, 'a', 0, 0, 1L, A<float>(), Lt(100), 5U, NULL, "hi")) + .WillOnce(Return(5)); + + EXPECT_EQ(5, this->foo_->Decimal(true, 'a', 0, 0, 1, 0, 0, 5, nullptr, "hi")); +} + +// Tests mocking a function that takes a non-const reference. +TYPED_TEST(FunctionMockerTest, MocksFunctionWithNonConstReferenceArgument) { + int a = 0; + EXPECT_CALL(this->mock_foo_, TakesNonConstReference(Ref(a))) + .WillOnce(Return(true)); + + EXPECT_TRUE(this->foo_->TakesNonConstReference(a)); +} + +// Tests mocking a function that takes a const reference. +TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstReferenceArgument) { + int a = 0; + EXPECT_CALL(this->mock_foo_, TakesConstReference(Ref(a))) + .WillOnce(Return("Hello")); + + EXPECT_EQ("Hello", this->foo_->TakesConstReference(a)); +} + +// Tests mocking a function that takes a const variable. +TYPED_TEST(FunctionMockerTest, MocksFunctionWithConstArgument) { + EXPECT_CALL(this->mock_foo_, TakesConst(Lt(10))).WillOnce(DoDefault()); + + EXPECT_FALSE(this->foo_->TakesConst(5)); +} + +// Tests mocking functions overloaded on the number of arguments. +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentNumber) { + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber()) + .WillOnce(Return(1)); + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentNumber(_)) + .WillOnce(Return(2)); + + EXPECT_EQ(2, this->foo_->OverloadedOnArgumentNumber(1)); + EXPECT_EQ(1, this->foo_->OverloadedOnArgumentNumber()); +} + +// Tests mocking functions overloaded on the types of argument. +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnArgumentType) { + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(An<int>())) + .WillOnce(Return(1)); + EXPECT_CALL(this->mock_foo_, OverloadedOnArgumentType(TypedEq<char>('a'))) + .WillOnce(Return('b')); + + EXPECT_EQ(1, this->foo_->OverloadedOnArgumentType(0)); + EXPECT_EQ('b', this->foo_->OverloadedOnArgumentType('a')); +} + +// Tests mocking functions overloaded on the const-ness of this object. +TYPED_TEST(FunctionMockerTest, MocksFunctionsOverloadedOnConstnessOfThis) { + EXPECT_CALL(this->mock_foo_, OverloadedOnConstness()); + EXPECT_CALL(Const(this->mock_foo_), OverloadedOnConstness()) + .WillOnce(Return('a')); + + EXPECT_EQ(0, this->foo_->OverloadedOnConstness()); + EXPECT_EQ('a', Const(*this->foo_).OverloadedOnConstness()); +} + +TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithComma) { + const std::map<int, std::string> a_map; + EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma()).WillOnce(Return(a_map)); + EXPECT_CALL(this->mock_foo_, ReturnTypeWithComma(42)).WillOnce(Return(a_map)); + + EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma()); + EXPECT_EQ(a_map, this->mock_foo_.ReturnTypeWithComma(42)); +} + +TYPED_TEST(FunctionMockerTest, MocksTypeWithTemplatedCopyCtor) { + EXPECT_CALL(this->mock_foo_, TypeWithTemplatedCopyCtor(_)) + .WillOnce(Return(true)); + EXPECT_TRUE(this->foo_->TypeWithTemplatedCopyCtor(TemplatedCopyable<int>())); +} + +#if GTEST_OS_WINDOWS +// Tests mocking a nullary function with calltype. +TYPED_TEST(FunctionMockerTest, MocksNullaryFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTNullary()) + .WillOnce(Return(-1)) + .WillOnce(Return(0)); + + EXPECT_EQ(-1, this->foo_->CTNullary()); + EXPECT_EQ(0, this->foo_->CTNullary()); +} + +// Tests mocking a unary function with calltype. +TYPED_TEST(FunctionMockerTest, MocksUnaryFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTUnary(Eq(2))) + .Times(2) + .WillOnce(Return(true)) + .WillOnce(Return(false)); + + EXPECT_TRUE(this->foo_->CTUnary(2)); + EXPECT_FALSE(this->foo_->CTUnary(2)); +} + +// Tests mocking a decimal function with calltype. +TYPED_TEST(FunctionMockerTest, MocksDecimalFunctionWithCallType) { + EXPECT_CALL(this->mock_foo_, CTDecimal(true, 'a', 0, 0, 1L, A<float>(), + Lt(100), 5U, NULL, "hi")) + .WillOnce(Return(10)); + + EXPECT_EQ(10, this->foo_->CTDecimal(true, 'a', 0, 0, 1, 0, 0, 5, NULL, "hi")); +} + +// Tests mocking functions overloaded on the const-ness of this object. +TYPED_TEST(FunctionMockerTest, MocksFunctionsConstFunctionWithCallType) { + EXPECT_CALL(Const(this->mock_foo_), CTConst(_)).WillOnce(Return('a')); + + EXPECT_EQ('a', Const(*this->foo_).CTConst(0)); +} + +TYPED_TEST(FunctionMockerTest, MocksReturnTypeWithCommaAndCallType) { + const std::map<int, std::string> a_map; + EXPECT_CALL(this->mock_foo_, CTReturnTypeWithComma()).WillOnce(Return(a_map)); + + EXPECT_EQ(a_map, this->mock_foo_.CTReturnTypeWithComma()); +} + +#endif // GTEST_OS_WINDOWS + +TEST(FunctionMockerTest, RefQualified) { + MockFoo mock_foo; + + EXPECT_CALL(mock_foo, RefQualifiedConstRef).WillOnce(Return(1)); + EXPECT_CALL(std::move(mock_foo), // NOLINT + RefQualifiedConstRefRef) + .WillOnce(Return(2)); + EXPECT_CALL(mock_foo, RefQualifiedRef).WillOnce(Return(3)); + EXPECT_CALL(std::move(mock_foo), // NOLINT + RefQualifiedRefRef) + .WillOnce(Return(4)); + + EXPECT_CALL(static_cast<const MockFoo&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(5)); + EXPECT_CALL(static_cast<const MockFoo&&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(6)); + EXPECT_CALL(static_cast<MockFoo&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(7)); + EXPECT_CALL(static_cast<MockFoo&&>(mock_foo), RefQualifiedOverloaded()) + .WillOnce(Return(8)); + + EXPECT_EQ(mock_foo.RefQualifiedConstRef(), 1); + EXPECT_EQ(std::move(mock_foo).RefQualifiedConstRefRef(), 2); // NOLINT + EXPECT_EQ(mock_foo.RefQualifiedRef(), 3); + EXPECT_EQ(std::move(mock_foo).RefQualifiedRefRef(), 4); // NOLINT + + EXPECT_EQ(std::cref(mock_foo).get().RefQualifiedOverloaded(), 5); + EXPECT_EQ(std::move(std::cref(mock_foo).get()) // NOLINT + .RefQualifiedOverloaded(), + 6); + EXPECT_EQ(mock_foo.RefQualifiedOverloaded(), 7); + EXPECT_EQ(std::move(mock_foo).RefQualifiedOverloaded(), 8); // NOLINT +} + +class MockB { + public: + MockB() {} + + MOCK_METHOD(void, DoB, ()); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB); +}; + +class LegacyMockB { + public: + LegacyMockB() {} + + MOCK_METHOD0(DoB, void()); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockB); +}; + +template <typename T> +class ExpectCallTest : public ::testing::Test {}; +using ExpectCallTestTypes = ::testing::Types<MockB, LegacyMockB>; +TYPED_TEST_SUITE(ExpectCallTest, ExpectCallTestTypes); + +// Tests that functions with no EXPECT_CALL() rules can be called any +// number of times. +TYPED_TEST(ExpectCallTest, UnmentionedFunctionCanBeCalledAnyNumberOfTimes) { + { TypeParam b; } + + { + TypeParam b; + b.DoB(); + } + + { + TypeParam 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); +}; + +template <typename T> +class LegacyMockStack : public StackInterface<T> { + public: + LegacyMockStack() {} + + MOCK_METHOD1_T(Push, void(const T& elem)); + MOCK_METHOD0_T(Pop, void()); + MOCK_CONST_METHOD0_T(GetSize, int()); // NOLINT + MOCK_CONST_METHOD0_T(GetTop, const T&()); + + // Tests that the function return type can contain unprotected comma. + MOCK_METHOD0_T(ReturnTypeWithComma, std::map<int, int>()); + MOCK_CONST_METHOD1_T(ReturnTypeWithComma, std::map<int, int>(int)); // NOLINT + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockStack); +}; + +template <typename T> +class TemplateMockTest : public ::testing::Test {}; +using TemplateMockTestTypes = + ::testing::Types<MockStack<int>, LegacyMockStack<int>>; +TYPED_TEST_SUITE(TemplateMockTest, TemplateMockTestTypes); + +// Tests that template mock works. +TYPED_TEST(TemplateMockTest, Works) { + TypeParam 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()); +} + +TYPED_TEST(TemplateMockTest, MethodWithCommaInReturnTypeWorks) { + TypeParam 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); +}; + +template <typename T> +class LegacyMockStackWithCallType : public StackInterfaceWithCallType<T> { + public: + LegacyMockStackWithCallType() {} + + MOCK_METHOD1_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Push, void(const T& elem)); + MOCK_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, Pop, void()); + MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetSize, int()); + MOCK_CONST_METHOD0_T_WITH_CALLTYPE(STDMETHODCALLTYPE, GetTop, const T&()); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockStackWithCallType); +}; + +template <typename T> +class TemplateMockTestWithCallType : public ::testing::Test {}; +using TemplateMockTestWithCallTypeTypes = + ::testing::Types<MockStackWithCallType<int>, + LegacyMockStackWithCallType<int>>; +TYPED_TEST_SUITE(TemplateMockTestWithCallType, + TemplateMockTestWithCallTypeTypes); + +// Tests that template mock with calltype works. +TYPED_TEST(TemplateMockTestWithCallType, Works) { + TypeParam 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)) + +#define LEGACY_MY_MOCK_METHODS1_ \ + MOCK_METHOD0(Overloaded, void()); \ + MOCK_CONST_METHOD1(Overloaded, int(int n)); \ + MOCK_METHOD2(Overloaded, bool(bool f, int n)) + +class MockOverloadedOnArgNumber { + public: + MockOverloadedOnArgNumber() {} + + MY_MOCK_METHODS1_; + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(MockOverloadedOnArgNumber); +}; + +class LegacyMockOverloadedOnArgNumber { + public: + LegacyMockOverloadedOnArgNumber() {} + + LEGACY_MY_MOCK_METHODS1_; + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(LegacyMockOverloadedOnArgNumber); +}; + +template <typename T> +class OverloadedMockMethodTest : public ::testing::Test {}; +using OverloadedMockMethodTestTypes = + ::testing::Types<MockOverloadedOnArgNumber, + LegacyMockOverloadedOnArgNumber>; +TYPED_TEST_SUITE(OverloadedMockMethodTest, OverloadedMockMethodTestTypes); + +TYPED_TEST(OverloadedMockMethodTest, CanOverloadOnArgNumberInMacroBody) { + TypeParam 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)); +} + +namespace { + +template <typename Expected, typename F> +static constexpr bool IsMockFunctionTemplateArgumentDeducedTo( + const MockFunction<F>&) { + return std::is_same<F, Expected>::value; +} + +} // namespace + +template <typename F> +class MockMethodMockFunctionSignatureTest : public Test {}; + +using MockMethodMockFunctionSignatureTypes = + Types<void(), int(), void(int), int(int), int(bool, int), + int(bool, char, int, int, int, int, int, char, int, bool)>; +TYPED_TEST_SUITE(MockMethodMockFunctionSignatureTest, + MockMethodMockFunctionSignatureTypes); + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionTemplateArgumentDeducedForRawSignature) { + using Argument = TypeParam; + MockFunction<Argument> foo; + EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<Argument>(foo)); +} + +TYPED_TEST(MockMethodMockFunctionSignatureTest, + IsMockFunctionTemplateArgumentDeducedForStdFunction) { + using Argument = std::function<TypeParam>; + MockFunction<Argument> foo; + EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<Argument>(foo)); +} + +TYPED_TEST( + MockMethodMockFunctionSignatureTest, + IsMockFunctionCallMethodSignatureTheSameForRawSignatureAndStdFunction) { + using ForRawSignature = decltype(&MockFunction<TypeParam>::Call); + using ForStdFunction = + decltype(&MockFunction<std::function<TypeParam>>::Call); + EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value)); +} + +TYPED_TEST( + MockMethodMockFunctionSignatureTest, + IsMockFunctionAsStdFunctionMethodSignatureTheSameForRawSignatureAndStdFunction) { + using ForRawSignature = decltype(&MockFunction<TypeParam>::AsStdFunction); + using ForStdFunction = + decltype(&MockFunction<std::function<TypeParam>>::AsStdFunction); + EXPECT_TRUE((std::is_same<ForRawSignature, ForStdFunction>::value)); +} + +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)); +}; + +struct LegacyMockMethodSizes0 { + MOCK_METHOD0(func, void()); +}; +struct LegacyMockMethodSizes1 { + MOCK_METHOD1(func, void(int)); +}; +struct LegacyMockMethodSizes2 { + MOCK_METHOD2(func, void(int, int)); +}; +struct LegacyMockMethodSizes3 { + MOCK_METHOD3(func, void(int, int, int)); +}; +struct LegacyMockMethodSizes4 { + MOCK_METHOD4(func, void(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)); + + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes1)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes2)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes3)); + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(LegacyMockMethodSizes4)); + + EXPECT_EQ(sizeof(LegacyMockMethodSizes0), sizeof(MockMethodSizes0)); +} + +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 |