From f437f8ca0d4d13d6b1b6279ee40dc61121873a94 Mon Sep 17 00:00:00 2001 From: David Sunderland Date: Wed, 18 Apr 2018 19:28:56 -0400 Subject: Clone of unsubmitted cr/176529515. Introduce parameterless expectations. --- .../gmock/gmock-generated-function-mockers.h | 163 +++++++++++++++++++++ .../gmock/gmock-generated-function-mockers.h.pump | 60 ++++++++ googlemock/include/gmock/gmock-spec-builders.h | 90 ++++++++++-- .../include/gmock/internal/gmock-internal-utils.h | 15 ++ googlemock/src/gmock-internal-utils.cc | 2 + googlemock/test/gmock-matchers_test.cc | 39 ++++- googlemock/test/gmock-spec-builders_test.cc | 70 +++++++++ 7 files changed, 426 insertions(+), 13 deletions(-) diff --git a/googlemock/include/gmock/gmock-generated-function-mockers.h b/googlemock/include/gmock/gmock-generated-function-mockers.h index 550cfd25..83abdca4 100644 --- a/googlemock/include/gmock/gmock-generated-function-mockers.h +++ b/googlemock/include/gmock/gmock-generated-function-mockers.h @@ -332,6 +332,58 @@ class FunctionMocker : public } }; +// 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 @@ -380,6 +432,12 @@ using internal::FunctionMocker; GMOCK_MOCKER_(0, constness, Method).RegisterOwner(this); \ return GMOCK_MOCKER_(0, constness, Method).With(); \ } \ + ::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(); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(0, constness, \ Method) @@ -401,6 +459,12 @@ using internal::FunctionMocker; GMOCK_MOCKER_(1, constness, Method).RegisterOwner(this); \ return GMOCK_MOCKER_(1, constness, Method).With(gmock_a1); \ } \ + ::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(::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(1, constness, \ Method) @@ -425,6 +489,13 @@ using internal::FunctionMocker; GMOCK_MOCKER_(2, constness, Method).RegisterOwner(this); \ return GMOCK_MOCKER_(2, constness, Method).With(gmock_a1, gmock_a2); \ } \ + ::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(::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(2, constness, \ Method) @@ -453,6 +524,14 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(3, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(3, constness, \ Method) @@ -483,6 +562,15 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(4, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3, gmock_a4); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(4, constness, \ Method) @@ -516,6 +604,16 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(5, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3, gmock_a4, gmock_a5); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(5, constness, \ Method) @@ -552,6 +650,17 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(6, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3, gmock_a4, gmock_a5, gmock_a6); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(6, constness, \ Method) @@ -590,6 +699,18 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(7, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(7, constness, \ Method) @@ -631,6 +752,19 @@ using internal::FunctionMocker; return GMOCK_MOCKER_(8, constness, Method).With(gmock_a1, gmock_a2, \ gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(8, constness, \ Method) @@ -676,6 +810,20 @@ using internal::FunctionMocker; gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, \ gmock_a9); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(9, constness, \ Method) @@ -724,6 +872,21 @@ using internal::FunctionMocker; gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, gmock_a9, \ gmock_a10); \ } \ + ::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(::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A(), \ + ::testing::A()); \ + } \ mutable ::testing::FunctionMocker<__VA_ARGS__> GMOCK_MOCKER_(10, constness, \ Method) diff --git a/googlemock/include/gmock/gmock-generated-function-mockers.h.pump b/googlemock/include/gmock/gmock-generated-function-mockers.h.pump index 277003b1..e55ef999 100644 --- a/googlemock/include/gmock/gmock-generated-function-mockers.h.pump +++ b/googlemock/include/gmock/gmock-generated-function-mockers.h.pump @@ -94,6 +94,58 @@ class FunctionMocker : public ]] +// 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 @@ -135,6 +187,8 @@ $var as = [[$for 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( \ @@ -150,6 +204,12 @@ $var matcher_as = [[$for j, [[gmock_a$j]]]] GMOCK_MOCKER_($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) diff --git a/googlemock/include/gmock/gmock-spec-builders.h b/googlemock/include/gmock/gmock-spec-builders.h index a7be7d15..cf1e7e23 100644 --- a/googlemock/include/gmock/gmock-spec-builders.h +++ b/googlemock/include/gmock/gmock-spec-builders.h @@ -1282,6 +1282,13 @@ class MockSpec { file, line, source_text, matchers_); } + // This operator overload is used to swallow the superfluous parameter list + // introduced by the ON/EXPECT_CALL macros. See the macro comments for more + // explanation. + MockSpec& operator()(const internal::WithoutMatchers&, void* const) { + return *this; + } + private: template friend class internal::FunctionMocker; @@ -1836,17 +1843,76 @@ inline Expectation::Expectation(internal::ExpectationBase& exp) // NOLINT } // namespace testing -// A separate macro is required to avoid compile errors when the name -// of the method used in call is a result of macro expansion. -// See CompilesWithMethodNameExpandedFromMacro tests in -// internal/gmock-spec-builders_test.cc for more details. -#define GMOCK_ON_CALL_IMPL_(obj, call) \ - ((obj).gmock_##call).InternalDefaultActionSetAt(__FILE__, __LINE__, \ - #obj, #call) -#define ON_CALL(obj, call) GMOCK_ON_CALL_IMPL_(obj, call) - -#define GMOCK_EXPECT_CALL_IMPL_(obj, call) \ - ((obj).gmock_##call).InternalExpectedAt(__FILE__, __LINE__, #obj, #call) -#define EXPECT_CALL(obj, call) GMOCK_EXPECT_CALL_IMPL_(obj, call) +// Implementation for ON_CALL and EXPECT_CALL macros. A separate macro is +// required to avoid compile errors when the name of the method used in call is +// a result of macro expansion. See CompilesWithMethodNameExpandedFromMacro +// tests in internal/gmock-spec-builders_test.cc for more details. +// +// This macro supports statements both with and without parameter matchers. If +// the parameter list is omitted, gMock will accept any parameters, which allows +// tests to be written that don't need to encode the number of method +// parameter. This technique may only be used for non-overloaded methods. +// +// // These are the same: +// ON_CALL(mock, NoArgsMethod()).WillByDefault(…); +// ON_CALL(mock, NoArgsMethod).WillByDefault(…); +// +// // As are these: +// ON_CALL(mock, TwoArgsMethod(_, _)).WillByDefault(…); +// ON_CALL(mock, TwoArgsMethod).WillByDefault(…); +// +// // Can also specify args if you want, of course: +// ON_CALL(mock, TwoArgsMethod(_, 45)).WillByDefault(…); +// +// // Overloads work as long as you specify parameters: +// ON_CALL(mock, OverloadedMethod(_)).WillByDefault(…); +// ON_CALL(mock, OverloadedMethod(_, _)).WillByDefault(…); +// +// // Oops! Which overload did you want? +// ON_CALL(mock, OverloadedMethod).WillByDefault(…); +// => ERROR: call to member function 'gmock_OverloadedMethod' is ambiguous +// +// How this works: The mock class uses two overloads of the gmock_Method +// expectation setter method plus an operator() overload on the MockSpec object. +// In the matcher list form, the macro expands to: +// +// // This statement: +// ON_CALL(mock, TwoArgsMethod(_, 45))… +// +// // …expands to: +// mock.gmock_TwoArgsMethod(_, 45)(WithoutMatchers(), nullptr)… +// |-------------v---------------||------------v-------------| +// invokes first overload swallowed by operator() +// +// // …which is essentially: +// mock.gmock_TwoArgsMethod(_, 45)… +// +// Whereas the form without a matcher list: +// +// // This statement: +// ON_CALL(mock, TwoArgsMethod)… +// +// // …expands to: +// mock.gmock_TwoArgsMethod(WithoutMatchers(), nullptr)… +// |-----------------------v--------------------------| +// invokes second overload +// +// // …which is essentially: +// mock.gmock_TwoArgsMethod(_, _)… +// +// The WithoutMatchers() argument is used to disambiguate overloads and to +// block the caller from accidentally invoking the second overload directly. The +// second argument is an internal type derived from the method signature. The +// failure to disambiguate two overloads of this method in the ON_CALL statement +// is how we block callers from setting expectations on overloaded methods. +#define GMOCK_ON_CALL_IMPL_(mock_expr, Setter, call) \ + ((mock_expr).gmock_##call)(::testing::internal::GetWithoutMatchers(), NULL) \ + .Setter(__FILE__, __LINE__, #mock_expr, #call) + +#define ON_CALL(obj, call) \ + GMOCK_ON_CALL_IMPL_(obj, InternalDefaultActionSetAt, call) + +#define EXPECT_CALL(obj, call) \ + GMOCK_ON_CALL_IMPL_(obj, InternalExpectedAt, call) #endif // GMOCK_INCLUDE_GMOCK_GMOCK_SPEC_BUILDERS_H_ diff --git a/googlemock/include/gmock/internal/gmock-internal-utils.h b/googlemock/include/gmock/internal/gmock-internal-utils.h index 20c95c6a..c43dac06 100644 --- a/googlemock/include/gmock/internal/gmock-internal-utils.h +++ b/googlemock/include/gmock/internal/gmock-internal-utils.h @@ -344,6 +344,21 @@ GTEST_API_ bool LogIsVisible(LogSeverity severity); GTEST_API_ void Log(LogSeverity severity, const std::string& message, int stack_frames_to_skip); +// A marker class that is used to resolve parameterless expectations to the +// correct overload. This must not be instantiable, to prevent client code from +// accidentally resolving to the overload; for example: +// +// ON_CALL(mock, Method({}, nullptr))… +// +class WithoutMatchers { + private: + WithoutMatchers() {} + friend WithoutMatchers GetWithoutMatchers(); +}; + +// Internal use only: access the singleton instance of WithoutMatchers. +WithoutMatchers GetWithoutMatchers(); + // TODO(wan@google.com): group all type utilities together. // Type traits. diff --git a/googlemock/src/gmock-internal-utils.cc b/googlemock/src/gmock-internal-utils.cc index 3fca3f26..aeff8004 100644 --- a/googlemock/src/gmock-internal-utils.cc +++ b/googlemock/src/gmock-internal-utils.cc @@ -188,6 +188,8 @@ GTEST_API_ void Log(LogSeverity severity, const std::string& message, std::cout << ::std::flush; } +WithoutMatchers GetWithoutMatchers() { return {}; } + GTEST_API_ void IllegalDoDefault(const char* file, int line) { internal::Assert( false, file, line, diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc index 16116b5c..8170bdb8 100644 --- a/googlemock/test/gmock-matchers_test.cc +++ b/googlemock/test/gmock-matchers_test.cc @@ -3066,6 +3066,44 @@ TEST(AllArgsTest, WorksInWithClause) { EXPECT_EQ(2, helper.Helper('a', 1)); } +class OptionalMatchersHelper { + public: + OptionalMatchersHelper() {} + + MOCK_METHOD0(NoArgs, int()); + + MOCK_METHOD1(OneArg, int(int y)); + + MOCK_METHOD2(TwoArgs, int(char x, int y)); + + MOCK_METHOD1(Overloaded, int(char x)); + MOCK_METHOD2(Overloaded, int(char x, int y)); + + private: + GTEST_DISALLOW_COPY_AND_ASSIGN_(OptionalMatchersHelper); +}; + +TEST(AllArgsTest, WorksWithoutMatchers) { + OptionalMatchersHelper helper; + + ON_CALL(helper, NoArgs).WillByDefault(Return(10)); + ON_CALL(helper, OneArg).WillByDefault(Return(20)); + ON_CALL(helper, TwoArgs).WillByDefault(Return(30)); + + EXPECT_EQ(10, helper.NoArgs()); + EXPECT_EQ(20, helper.OneArg(1)); + EXPECT_EQ(30, helper.TwoArgs('\1', 2)); + + EXPECT_CALL(helper, NoArgs).Times(1); + EXPECT_CALL(helper, OneArg).WillOnce(Return(100)); + EXPECT_CALL(helper, OneArg(17)).WillOnce(Return(200)); + EXPECT_CALL(helper, TwoArgs).Times(0); + + EXPECT_EQ(10, helper.NoArgs()); + EXPECT_EQ(100, helper.OneArg(1)); + EXPECT_EQ(200, helper.OneArg(17)); +} + // Tests that ASSERT_THAT() and EXPECT_THAT() work when the value // matches the matcher. TEST(MatcherAssertionTest, WorksWhenMatcherIsSatisfied) { @@ -6699,4 +6737,3 @@ TEST(NotTest, WorksOnMoveOnlyType) { #if defined_MSC_VER # pragma warning(pop) #endif - diff --git a/googlemock/test/gmock-spec-builders_test.cc b/googlemock/test/gmock-spec-builders_test.cc index f1d571be..715aac8c 100644 --- a/googlemock/test/gmock-spec-builders_test.cc +++ b/googlemock/test/gmock-spec-builders_test.cc @@ -89,6 +89,7 @@ using testing::Mock; using testing::NaggyMock; using testing::Ne; using testing::Return; +using testing::SaveArg; using testing::Sequence; using testing::SetArgPointee; using testing::internal::ExpectationTester; @@ -2681,6 +2682,75 @@ TEST(SynchronizationTest, CanCallMockMethodInAction) { // EXPECT_CALL() did not specify an action. } +TEST(ParameterlessExpectationsTest, CanSetExpectationsWithoutMatchers) { + MockA a; + int do_a_arg0 = 0; + ON_CALL(a, DoA).WillByDefault(SaveArg<0>(&do_a_arg0)); + int do_a_47_arg0 = 0; + ON_CALL(a, DoA(47)).WillByDefault(SaveArg<0>(&do_a_47_arg0)); + + a.DoA(17); + EXPECT_THAT(do_a_arg0, 17); + EXPECT_THAT(do_a_47_arg0, 0); + a.DoA(47); + EXPECT_THAT(do_a_arg0, 17); + EXPECT_THAT(do_a_47_arg0, 47); + + ON_CALL(a, Binary).WillByDefault(Return(true)); + ON_CALL(a, Binary(_, 14)).WillByDefault(Return(false)); + EXPECT_THAT(a.Binary(14, 17), true); + EXPECT_THAT(a.Binary(17, 14), false); +} + +TEST(ParameterlessExpectationsTest, CanSetExpectationsForOverloadedMethods) { + MockB b; + ON_CALL(b, DoB()).WillByDefault(Return(9)); + ON_CALL(b, DoB(5)).WillByDefault(Return(11)); + + EXPECT_THAT(b.DoB(), 9); + EXPECT_THAT(b.DoB(1), 0); // default value + EXPECT_THAT(b.DoB(5), 11); +} + +struct MockWithConstMethods { + public: + MOCK_CONST_METHOD1(Foo, int(int)); + MOCK_CONST_METHOD2(Bar, int(int, const char*)); +}; + +TEST(ParameterlessExpectationsTest, CanSetExpectationsForConstMethods) { + MockWithConstMethods mock; + ON_CALL(mock, Foo).WillByDefault(Return(7)); + ON_CALL(mock, Bar).WillByDefault(Return(33)); + + EXPECT_THAT(mock.Foo(17), 7); + EXPECT_THAT(mock.Bar(27, "purple"), 33); +} + +class MockConstOverload { + public: + MOCK_METHOD1(Overloaded, int(int)); + MOCK_CONST_METHOD1(Overloaded, int(int)); +}; + +TEST(ParameterlessExpectationsTest, + CanSetExpectationsForConstOverloadedMethods) { + MockConstOverload mock; + ON_CALL(mock, Overloaded(_)).WillByDefault(Return(7)); + ON_CALL(mock, Overloaded(5)).WillByDefault(Return(9)); + ON_CALL(Const(mock), Overloaded(5)).WillByDefault(Return(11)); + ON_CALL(Const(mock), Overloaded(7)).WillByDefault(Return(13)); + + EXPECT_THAT(mock.Overloaded(1), 7); + EXPECT_THAT(mock.Overloaded(5), 9); + EXPECT_THAT(mock.Overloaded(7), 7); + + const MockConstOverload& const_mock = mock; + EXPECT_THAT(const_mock.Overloaded(1), 0); + EXPECT_THAT(const_mock.Overloaded(5), 11); + EXPECT_THAT(const_mock.Overloaded(7), 13); +} + } // namespace // Allows the user to define their own main and then invoke gmock_main -- cgit v1.2.3