diff options
Diffstat (limited to 'googlemock/test/gmock-actions_test.cc')
| -rw-r--r-- | googlemock/test/gmock-actions_test.cc | 549 |
1 files changed, 255 insertions, 294 deletions
diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc index f470de4..0de8481 100644 --- a/googlemock/test/gmock-actions_test.cc +++ b/googlemock/test/gmock-actions_test.cc @@ -26,13 +26,21 @@ // 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. -// -// Author: wan@google.com (Zhanyong Wan) + // Google Mock - a framework for writing C++ mock classes. // // This file tests the built-in actions. +// Silence C4800 (C4800: 'int *const ': forcing value +// to bool 'true' or 'false') for MSVC 14,15 +#ifdef _MSC_VER +#if _MSC_VER <= 1900 +# pragma warning(push) +# pragma warning(disable:4800) +#endif +#endif + #include "gmock/gmock-actions.h" #include <algorithm> #include <iterator> @@ -65,28 +73,21 @@ using testing::ReturnRef; using testing::ReturnRefOfCopy; using testing::SetArgPointee; using testing::SetArgumentPointee; +using testing::Unused; using testing::_; -using testing::get; using testing::internal::BuiltInDefaultValue; using testing::internal::Int64; using testing::internal::UInt64; -using testing::make_tuple; -using testing::tuple; -using testing::tuple_element; #if !GTEST_OS_WINDOWS_MOBILE using testing::SetErrnoAndReturn; #endif -#if GTEST_HAS_PROTOBUF_ -using testing::internal::TestMessage; -#endif // GTEST_HAS_PROTOBUF_ - // Tests that BuiltInDefaultValue<T*>::Get() returns NULL. TEST(BuiltInDefaultValueTest, IsNullForPointerTypes) { - EXPECT_TRUE(BuiltInDefaultValue<int*>::Get() == NULL); - EXPECT_TRUE(BuiltInDefaultValue<const char*>::Get() == NULL); - EXPECT_TRUE(BuiltInDefaultValue<void*>::Get() == NULL); + EXPECT_TRUE(BuiltInDefaultValue<int*>::Get() == nullptr); + EXPECT_TRUE(BuiltInDefaultValue<const char*>::Get() == nullptr); + EXPECT_TRUE(BuiltInDefaultValue<void*>::Get() == nullptr); } // Tests that BuiltInDefaultValue<T*>::Exists() return true. @@ -107,7 +108,11 @@ TEST(BuiltInDefaultValueTest, IsZeroForNumericTypes) { EXPECT_EQ(0, BuiltInDefaultValue<signed wchar_t>::Get()); #endif #if GMOCK_WCHAR_T_IS_NATIVE_ +#if !defined(__WCHAR_UNSIGNED__) EXPECT_EQ(0, BuiltInDefaultValue<wchar_t>::Get()); +#else + EXPECT_EQ(0U, BuiltInDefaultValue<wchar_t>::Get()); +#endif #endif EXPECT_EQ(0U, BuiltInDefaultValue<unsigned short>::Get()); // NOLINT EXPECT_EQ(0, BuiltInDefaultValue<signed short>::Get()); // NOLINT @@ -187,7 +192,7 @@ TEST(BuiltInDefaultValueTest, ExistsForString) { TEST(BuiltInDefaultValueTest, WorksForConstTypes) { EXPECT_EQ("", BuiltInDefaultValue<const std::string>::Get()); EXPECT_EQ(0, BuiltInDefaultValue<const int>::Get()); - EXPECT_TRUE(BuiltInDefaultValue<char* const>::Get() == NULL); + EXPECT_TRUE(BuiltInDefaultValue<char* const>::Get() == nullptr); EXPECT_FALSE(BuiltInDefaultValue<const bool>::Get()); } @@ -214,7 +219,7 @@ class MyNonDefaultConstructible { int value_; }; -#if GTEST_HAS_STD_TYPE_TRAITS_ +#if GTEST_LANG_CXX11 TEST(BuiltInDefaultValueTest, ExistsForDefaultConstructibleType) { EXPECT_TRUE(BuiltInDefaultValue<MyDefaultConstructible>::Exists()); @@ -224,7 +229,7 @@ TEST(BuiltInDefaultValueTest, IsDefaultConstructedForDefaultConstructibleType) { EXPECT_EQ(42, BuiltInDefaultValue<MyDefaultConstructible>::Get().value()); } -#endif // GTEST_HAS_STD_TYPE_TRAITS_ +#endif // GTEST_LANG_CXX11 TEST(BuiltInDefaultValueTest, DoesNotExistForNonDefaultConstructibleType) { EXPECT_FALSE(BuiltInDefaultValue<MyNonDefaultConstructible>::Exists()); @@ -297,7 +302,7 @@ TEST(DefaultValueDeathTest, GetReturnsBuiltInDefaultValueWhenUnset) { #if GTEST_HAS_STD_UNIQUE_PTR_ TEST(DefaultValueTest, GetWorksForMoveOnlyIfSet) { EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Exists()); - EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Get() == NULL); + EXPECT_TRUE(DefaultValue<std::unique_ptr<int>>::Get() == nullptr); DefaultValue<std::unique_ptr<int>>::SetFactory([] { return std::unique_ptr<int>(new int(42)); }); @@ -373,8 +378,8 @@ typedef int MyGlobalFunction(bool, int); class MyActionImpl : public ActionInterface<MyGlobalFunction> { public: - virtual int Perform(const tuple<bool, int>& args) { - return get<0>(args) ? get<1>(args) : 0; + virtual int Perform(const std::tuple<bool, int>& args) { + return std::get<0>(args) ? std::get<1>(args) : 0; } }; @@ -390,8 +395,8 @@ TEST(ActionInterfaceTest, MakeAction) { // it a tuple whose size and type are compatible with F's argument // types. For example, if F is int(), then Perform() takes a // 0-tuple; if F is void(bool, int), then Perform() takes a - // tuple<bool, int>, and so on. - EXPECT_EQ(5, action.Perform(make_tuple(true, 5))); + // std::tuple<bool, int>, and so on. + EXPECT_EQ(5, action.Perform(std::make_tuple(true, 5))); } // Tests that Action<F> can be contructed from a pointer to @@ -404,8 +409,8 @@ TEST(ActionTest, CanBeConstructedFromActionInterface) { TEST(ActionTest, DelegatesWorkToActionInterface) { const Action<MyGlobalFunction> action(new MyActionImpl); - EXPECT_EQ(5, action.Perform(make_tuple(true, 5))); - EXPECT_EQ(0, action.Perform(make_tuple(false, 1))); + EXPECT_EQ(5, action.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, action.Perform(std::make_tuple(false, 1))); } // Tests that Action<F> can be copied. @@ -414,22 +419,22 @@ TEST(ActionTest, IsCopyable) { Action<MyGlobalFunction> a2(a1); // Tests the copy constructor. // a1 should continue to work after being copied from. - EXPECT_EQ(5, a1.Perform(make_tuple(true, 5))); - EXPECT_EQ(0, a1.Perform(make_tuple(false, 1))); + EXPECT_EQ(5, a1.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, a1.Perform(std::make_tuple(false, 1))); // a2 should work like the action it was copied from. - EXPECT_EQ(5, a2.Perform(make_tuple(true, 5))); - EXPECT_EQ(0, a2.Perform(make_tuple(false, 1))); + EXPECT_EQ(5, a2.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, a2.Perform(std::make_tuple(false, 1))); a2 = a1; // Tests the assignment operator. // a1 should continue to work after being copied from. - EXPECT_EQ(5, a1.Perform(make_tuple(true, 5))); - EXPECT_EQ(0, a1.Perform(make_tuple(false, 1))); + EXPECT_EQ(5, a1.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, a1.Perform(std::make_tuple(false, 1))); // a2 should work like the action it was copied from. - EXPECT_EQ(5, a2.Perform(make_tuple(true, 5))); - EXPECT_EQ(0, a2.Perform(make_tuple(false, 1))); + EXPECT_EQ(5, a2.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, a2.Perform(std::make_tuple(false, 1))); } // Tests that an Action<From> object can be converted to a @@ -437,8 +442,8 @@ TEST(ActionTest, IsCopyable) { class IsNotZero : public ActionInterface<bool(int)> { // NOLINT public: - virtual bool Perform(const tuple<int>& arg) { - return get<0>(arg) != 0; + virtual bool Perform(const std::tuple<int>& arg) { + return std::get<0>(arg) != 0; } }; @@ -451,8 +456,8 @@ class IsNotZero : public ActionInterface<bool(int)> { // NOLINT TEST(ActionTest, CanBeConvertedToOtherActionType) { const Action<bool(int)> a1(new IsNotZero); // NOLINT const Action<int(char)> a2 = Action<int(char)>(a1); // NOLINT - EXPECT_EQ(1, a2.Perform(make_tuple('a'))); - EXPECT_EQ(0, a2.Perform(make_tuple('\0'))); + EXPECT_EQ(1, a2.Perform(std::make_tuple('a'))); + EXPECT_EQ(0, a2.Perform(std::make_tuple('\0'))); } #endif // !GTEST_OS_SYMBIAN @@ -466,7 +471,9 @@ class ReturnSecondArgumentAction { // polymorphic action whose Perform() method template is either // const or not. This lets us verify the non-const case. template <typename Result, typename ArgumentTuple> - Result Perform(const ArgumentTuple& args) { return get<1>(args); } + Result Perform(const ArgumentTuple& args) { + return std::get<1>(args); + } }; // Implements a polymorphic action that can be used in a nullary @@ -481,7 +488,9 @@ class ReturnZeroFromNullaryFunctionAction { // polymorphic action whose Perform() method template is either // const or not. This lets us verify the const case. template <typename Result> - Result Perform(const tuple<>&) const { return 0; } + Result Perform(const std::tuple<>&) const { + return 0; + } }; // These functions verify that MakePolymorphicAction() returns a @@ -500,42 +509,42 @@ ReturnZeroFromNullaryFunction() { // implementation class into a polymorphic action. TEST(MakePolymorphicActionTest, ConstructsActionFromImpl) { Action<int(bool, int, double)> a1 = ReturnSecondArgument(); // NOLINT - EXPECT_EQ(5, a1.Perform(make_tuple(false, 5, 2.0))); + EXPECT_EQ(5, a1.Perform(std::make_tuple(false, 5, 2.0))); } // Tests that MakePolymorphicAction() works when the implementation // class' Perform() method template has only one template parameter. TEST(MakePolymorphicActionTest, WorksWhenPerformHasOneTemplateParameter) { Action<int()> a1 = ReturnZeroFromNullaryFunction(); - EXPECT_EQ(0, a1.Perform(make_tuple())); + EXPECT_EQ(0, a1.Perform(std::make_tuple())); Action<void*()> a2 = ReturnZeroFromNullaryFunction(); - EXPECT_TRUE(a2.Perform(make_tuple()) == NULL); + EXPECT_TRUE(a2.Perform(std::make_tuple()) == nullptr); } // Tests that Return() works as an action for void-returning // functions. TEST(ReturnTest, WorksForVoid) { const Action<void(int)> ret = Return(); // NOLINT - return ret.Perform(make_tuple(1)); + return ret.Perform(std::make_tuple(1)); } // Tests that Return(v) returns v. TEST(ReturnTest, ReturnsGivenValue) { Action<int()> ret = Return(1); // NOLINT - EXPECT_EQ(1, ret.Perform(make_tuple())); + EXPECT_EQ(1, ret.Perform(std::make_tuple())); ret = Return(-5); - EXPECT_EQ(-5, ret.Perform(make_tuple())); + EXPECT_EQ(-5, ret.Perform(std::make_tuple())); } // Tests that Return("string literal") works. TEST(ReturnTest, AcceptsStringLiteral) { Action<const char*()> a1 = Return("Hello"); - EXPECT_STREQ("Hello", a1.Perform(make_tuple())); + EXPECT_STREQ("Hello", a1.Perform(std::make_tuple())); Action<std::string()> a2 = Return("world"); - EXPECT_EQ("world", a2.Perform(make_tuple())); + EXPECT_EQ("world", a2.Perform(std::make_tuple())); } // Test struct which wraps a vector of integers. Used in @@ -554,7 +563,7 @@ TEST(ReturnTest, SupportsWrapperReturnType) { // Return() called with 'v' as argument. The Action will return the same data // as 'v' (copy) but it will be wrapped in an IntegerVectorWrapper. Action<IntegerVectorWrapper()> a = Return(v); - const std::vector<int>& result = *(a.Perform(make_tuple()).v); + const std::vector<int>& result = *(a.Perform(std::make_tuple()).v); EXPECT_THAT(result, ::testing::ElementsAre(0, 1, 2, 3, 4)); } @@ -572,10 +581,10 @@ TEST(ReturnTest, IsCovariant) { Base base; Derived derived; Action<Base*()> ret = Return(&base); - EXPECT_EQ(&base, ret.Perform(make_tuple())); + EXPECT_EQ(&base, ret.Perform(std::make_tuple())); ret = Return(&derived); - EXPECT_EQ(&derived, ret.Perform(make_tuple())); + EXPECT_EQ(&derived, ret.Perform(std::make_tuple())); } // Tests that the type of the value passed into Return is converted into T @@ -606,7 +615,7 @@ TEST(ReturnTest, ConvertsArgumentWhenConverted) { EXPECT_TRUE(converted) << "Return must convert its argument in its own " << "conversion operator."; converted = false; - action.Perform(tuple<>()); + action.Perform(std::tuple<>()); EXPECT_FALSE(converted) << "Action must NOT convert its argument " << "when performed."; } @@ -627,10 +636,10 @@ TEST(ReturnTest, CanConvertArgumentUsingNonConstTypeCastOperator) { // Tests that ReturnNull() returns NULL in a pointer-returning function. TEST(ReturnNullTest, WorksInPointerReturningFunction) { const Action<int*()> a1 = ReturnNull(); - EXPECT_TRUE(a1.Perform(make_tuple()) == NULL); + EXPECT_TRUE(a1.Perform(std::make_tuple()) == nullptr); const Action<const char*(bool)> a2 = ReturnNull(); // NOLINT - EXPECT_TRUE(a2.Perform(make_tuple(true)) == NULL); + EXPECT_TRUE(a2.Perform(std::make_tuple(true)) == nullptr); } #if GTEST_HAS_STD_UNIQUE_PTR_ @@ -638,10 +647,10 @@ TEST(ReturnNullTest, WorksInPointerReturningFunction) { // functions. TEST(ReturnNullTest, WorksInSmartPointerReturningFunction) { const Action<std::unique_ptr<const int>()> a1 = ReturnNull(); - EXPECT_TRUE(a1.Perform(make_tuple()) == nullptr); + EXPECT_TRUE(a1.Perform(std::make_tuple()) == nullptr); const Action<std::shared_ptr<int>(std::string)> a2 = ReturnNull(); - EXPECT_TRUE(a2.Perform(make_tuple("foo")) == nullptr); + EXPECT_TRUE(a2.Perform(std::make_tuple("foo")) == nullptr); } #endif // GTEST_HAS_STD_UNIQUE_PTR_ @@ -650,7 +659,7 @@ TEST(ReturnRefTest, WorksForReference) { const int n = 0; const Action<const int&(bool)> ret = ReturnRef(n); // NOLINT - EXPECT_EQ(&n, &ret.Perform(make_tuple(true))); + EXPECT_EQ(&n, &ret.Perform(std::make_tuple(true))); } // Tests that ReturnRef(v) is covariant. @@ -658,10 +667,10 @@ TEST(ReturnRefTest, IsCovariant) { Base base; Derived derived; Action<Base&()> a = ReturnRef(base); - EXPECT_EQ(&base, &a.Perform(make_tuple())); + EXPECT_EQ(&base, &a.Perform(std::make_tuple())); a = ReturnRef(derived); - EXPECT_EQ(&derived, &a.Perform(make_tuple())); + EXPECT_EQ(&derived, &a.Perform(std::make_tuple())); } // Tests that ReturnRefOfCopy(v) works for reference types. @@ -669,12 +678,12 @@ TEST(ReturnRefOfCopyTest, WorksForReference) { int n = 42; const Action<const int&()> ret = ReturnRefOfCopy(n); - EXPECT_NE(&n, &ret.Perform(make_tuple())); - EXPECT_EQ(42, ret.Perform(make_tuple())); + EXPECT_NE(&n, &ret.Perform(std::make_tuple())); + EXPECT_EQ(42, ret.Perform(std::make_tuple())); n = 43; - EXPECT_NE(&n, &ret.Perform(make_tuple())); - EXPECT_EQ(42, ret.Perform(make_tuple())); + EXPECT_NE(&n, &ret.Perform(std::make_tuple())); + EXPECT_EQ(42, ret.Perform(std::make_tuple())); } // Tests that ReturnRefOfCopy(v) is covariant. @@ -682,10 +691,10 @@ TEST(ReturnRefOfCopyTest, IsCovariant) { Base base; Derived derived; Action<Base&()> a = ReturnRefOfCopy(base); - EXPECT_NE(&base, &a.Perform(make_tuple())); + EXPECT_NE(&base, &a.Perform(std::make_tuple())); a = ReturnRefOfCopy(derived); - EXPECT_NE(&derived, &a.Perform(make_tuple())); + EXPECT_NE(&derived, &a.Perform(std::make_tuple())); } // Tests that DoDefault() does the default action for the mock method. @@ -700,6 +709,9 @@ class MockClass { MOCK_METHOD0(MakeUnique, std::unique_ptr<int>()); MOCK_METHOD0(MakeUniqueBase, std::unique_ptr<Base>()); MOCK_METHOD0(MakeVectorUnique, std::vector<std::unique_ptr<int>>()); + MOCK_METHOD1(TakeUnique, int(std::unique_ptr<int>)); + MOCK_METHOD2(TakeUnique, + int(const std::unique_ptr<int>&, std::unique_ptr<int>)); #endif private: @@ -788,14 +800,14 @@ TEST(SetArgPointeeTest, SetsTheNthPointee) { int n = 0; char ch = '\0'; - a.Perform(make_tuple(true, &n, &ch)); + a.Perform(std::make_tuple(true, &n, &ch)); EXPECT_EQ(2, n); EXPECT_EQ('\0', ch); a = SetArgPointee<2>('a'); n = 0; ch = '\0'; - a.Perform(make_tuple(true, &n, &ch)); + a.Perform(std::make_tuple(true, &n, &ch)); EXPECT_EQ(0, n); EXPECT_EQ('a', ch); } @@ -807,14 +819,14 @@ TEST(SetArgPointeeTest, AcceptsStringLiteral) { typedef void MyFunction(std::string*, const char**); Action<MyFunction> a = SetArgPointee<0>("hi"); std::string str; - const char* ptr = NULL; - a.Perform(make_tuple(&str, &ptr)); + const char* ptr = nullptr; + a.Perform(std::make_tuple(&str, &ptr)); EXPECT_EQ("hi", str); - EXPECT_TRUE(ptr == NULL); + EXPECT_TRUE(ptr == nullptr); a = SetArgPointee<1>("world"); str = ""; - a.Perform(make_tuple(&str, &ptr)); + a.Perform(std::make_tuple(&str, &ptr)); EXPECT_EQ("", str); EXPECT_STREQ("world", ptr); } @@ -822,8 +834,8 @@ TEST(SetArgPointeeTest, AcceptsStringLiteral) { TEST(SetArgPointeeTest, AcceptsWideStringLiteral) { typedef void MyFunction(const wchar_t**); Action<MyFunction> a = SetArgPointee<0>(L"world"); - const wchar_t* ptr = NULL; - a.Perform(make_tuple(&ptr)); + const wchar_t* ptr = nullptr; + a.Perform(std::make_tuple(&ptr)); EXPECT_STREQ(L"world", ptr); # if GTEST_HAS_STD_WSTRING @@ -831,7 +843,7 @@ TEST(SetArgPointeeTest, AcceptsWideStringLiteral) { typedef void MyStringFunction(std::wstring*); Action<MyStringFunction> a2 = SetArgPointee<0>(L"world"); std::wstring str = L""; - a2.Perform(make_tuple(&str)); + a2.Perform(std::make_tuple(&str)); EXPECT_EQ(L"world", str); # endif @@ -844,16 +856,16 @@ TEST(SetArgPointeeTest, AcceptsCharPointer) { const char* const hi = "hi"; Action<MyFunction> a = SetArgPointee<1>(hi); std::string str; - const char* ptr = NULL; - a.Perform(make_tuple(true, &str, &ptr)); + const char* ptr = nullptr; + a.Perform(std::make_tuple(true, &str, &ptr)); EXPECT_EQ("hi", str); - EXPECT_TRUE(ptr == NULL); + EXPECT_TRUE(ptr == nullptr); char world_array[] = "world"; char* const world = world_array; a = SetArgPointee<2>(world); str = ""; - a.Perform(make_tuple(true, &str, &ptr)); + a.Perform(std::make_tuple(true, &str, &ptr)); EXPECT_EQ("", str); EXPECT_EQ(world, ptr); } @@ -862,8 +874,8 @@ TEST(SetArgPointeeTest, AcceptsWideCharPointer) { typedef void MyFunction(bool, const wchar_t**); const wchar_t* const hi = L"hi"; Action<MyFunction> a = SetArgPointee<1>(hi); - const wchar_t* ptr = NULL; - a.Perform(make_tuple(true, &ptr)); + const wchar_t* ptr = nullptr; + a.Perform(std::make_tuple(true, &ptr)); EXPECT_EQ(hi, ptr); # if GTEST_HAS_STD_WSTRING @@ -873,110 +885,11 @@ TEST(SetArgPointeeTest, AcceptsWideCharPointer) { wchar_t* const world = world_array; Action<MyStringFunction> a2 = SetArgPointee<1>(world); std::wstring str; - a2.Perform(make_tuple(true, &str)); + a2.Perform(std::make_tuple(true, &str)); EXPECT_EQ(world_array, str); # endif } -#if GTEST_HAS_PROTOBUF_ - -// Tests that SetArgPointee<N>(proto_buffer) sets the v1 protobuf -// variable pointed to by the N-th (0-based) argument to proto_buffer. -TEST(SetArgPointeeTest, SetsTheNthPointeeOfProtoBufferType) { - TestMessage* const msg = new TestMessage; - msg->set_member("yes"); - TestMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, TestMessage*)> a = SetArgPointee<1>(*msg); - // SetArgPointee<N>(proto_buffer) makes a copy of proto_buffer - // s.t. the action works even when the original proto_buffer has - // died. We ensure this behavior by deleting msg before using the - // action. - delete msg; - - TestMessage dest; - EXPECT_FALSE(orig_msg.Equals(dest)); - a.Perform(make_tuple(true, &dest)); - EXPECT_TRUE(orig_msg.Equals(dest)); -} - -// Tests that SetArgPointee<N>(proto_buffer) sets the -// ::ProtocolMessage variable pointed to by the N-th (0-based) -// argument to proto_buffer. -TEST(SetArgPointeeTest, SetsTheNthPointeeOfProtoBufferBaseType) { - TestMessage* const msg = new TestMessage; - msg->set_member("yes"); - TestMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, ::ProtocolMessage*)> a = SetArgPointee<1>(*msg); - // SetArgPointee<N>(proto_buffer) makes a copy of proto_buffer - // s.t. the action works even when the original proto_buffer has - // died. We ensure this behavior by deleting msg before using the - // action. - delete msg; - - TestMessage dest; - ::ProtocolMessage* const dest_base = &dest; - EXPECT_FALSE(orig_msg.Equals(dest)); - a.Perform(make_tuple(true, dest_base)); - EXPECT_TRUE(orig_msg.Equals(dest)); -} - -// Tests that SetArgPointee<N>(proto2_buffer) sets the v2 -// protobuf variable pointed to by the N-th (0-based) argument to -// proto2_buffer. -TEST(SetArgPointeeTest, SetsTheNthPointeeOfProto2BufferType) { - using testing::internal::FooMessage; - FooMessage* const msg = new FooMessage; - msg->set_int_field(2); - msg->set_string_field("hi"); - FooMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, FooMessage*)> a = SetArgPointee<1>(*msg); - // SetArgPointee<N>(proto2_buffer) makes a copy of - // proto2_buffer s.t. the action works even when the original - // proto2_buffer has died. We ensure this behavior by deleting msg - // before using the action. - delete msg; - - FooMessage dest; - dest.set_int_field(0); - a.Perform(make_tuple(true, &dest)); - EXPECT_EQ(2, dest.int_field()); - EXPECT_EQ("hi", dest.string_field()); -} - -// Tests that SetArgPointee<N>(proto2_buffer) sets the -// proto2::Message variable pointed to by the N-th (0-based) argument -// to proto2_buffer. -TEST(SetArgPointeeTest, SetsTheNthPointeeOfProto2BufferBaseType) { - using testing::internal::FooMessage; - FooMessage* const msg = new FooMessage; - msg->set_int_field(2); - msg->set_string_field("hi"); - FooMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, ::proto2::Message*)> a = SetArgPointee<1>(*msg); - // SetArgPointee<N>(proto2_buffer) makes a copy of - // proto2_buffer s.t. the action works even when the original - // proto2_buffer has died. We ensure this behavior by deleting msg - // before using the action. - delete msg; - - FooMessage dest; - dest.set_int_field(0); - ::proto2::Message* const dest_base = &dest; - a.Perform(make_tuple(true, dest_base)); - EXPECT_EQ(2, dest.int_field()); - EXPECT_EQ("hi", dest.string_field()); -} - -#endif // GTEST_HAS_PROTOBUF_ - // Tests that SetArgumentPointee<N>(v) sets the variable pointed to by // the N-th (0-based) argument to v. TEST(SetArgumentPointeeTest, SetsTheNthPointee) { @@ -985,117 +898,18 @@ TEST(SetArgumentPointeeTest, SetsTheNthPointee) { int n = 0; char ch = '\0'; - a.Perform(make_tuple(true, &n, &ch)); + a.Perform(std::make_tuple(true, &n, &ch)); EXPECT_EQ(2, n); EXPECT_EQ('\0', ch); a = SetArgumentPointee<2>('a'); n = 0; ch = '\0'; - a.Perform(make_tuple(true, &n, &ch)); + a.Perform(std::make_tuple(true, &n, &ch)); EXPECT_EQ(0, n); EXPECT_EQ('a', ch); } -#if GTEST_HAS_PROTOBUF_ - -// Tests that SetArgumentPointee<N>(proto_buffer) sets the v1 protobuf -// variable pointed to by the N-th (0-based) argument to proto_buffer. -TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProtoBufferType) { - TestMessage* const msg = new TestMessage; - msg->set_member("yes"); - TestMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, TestMessage*)> a = SetArgumentPointee<1>(*msg); - // SetArgumentPointee<N>(proto_buffer) makes a copy of proto_buffer - // s.t. the action works even when the original proto_buffer has - // died. We ensure this behavior by deleting msg before using the - // action. - delete msg; - - TestMessage dest; - EXPECT_FALSE(orig_msg.Equals(dest)); - a.Perform(make_tuple(true, &dest)); - EXPECT_TRUE(orig_msg.Equals(dest)); -} - -// Tests that SetArgumentPointee<N>(proto_buffer) sets the -// ::ProtocolMessage variable pointed to by the N-th (0-based) -// argument to proto_buffer. -TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProtoBufferBaseType) { - TestMessage* const msg = new TestMessage; - msg->set_member("yes"); - TestMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, ::ProtocolMessage*)> a = SetArgumentPointee<1>(*msg); - // SetArgumentPointee<N>(proto_buffer) makes a copy of proto_buffer - // s.t. the action works even when the original proto_buffer has - // died. We ensure this behavior by deleting msg before using the - // action. - delete msg; - - TestMessage dest; - ::ProtocolMessage* const dest_base = &dest; - EXPECT_FALSE(orig_msg.Equals(dest)); - a.Perform(make_tuple(true, dest_base)); - EXPECT_TRUE(orig_msg.Equals(dest)); -} - -// Tests that SetArgumentPointee<N>(proto2_buffer) sets the v2 -// protobuf variable pointed to by the N-th (0-based) argument to -// proto2_buffer. -TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProto2BufferType) { - using testing::internal::FooMessage; - FooMessage* const msg = new FooMessage; - msg->set_int_field(2); - msg->set_string_field("hi"); - FooMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, FooMessage*)> a = SetArgumentPointee<1>(*msg); - // SetArgumentPointee<N>(proto2_buffer) makes a copy of - // proto2_buffer s.t. the action works even when the original - // proto2_buffer has died. We ensure this behavior by deleting msg - // before using the action. - delete msg; - - FooMessage dest; - dest.set_int_field(0); - a.Perform(make_tuple(true, &dest)); - EXPECT_EQ(2, dest.int_field()); - EXPECT_EQ("hi", dest.string_field()); -} - -// Tests that SetArgumentPointee<N>(proto2_buffer) sets the -// proto2::Message variable pointed to by the N-th (0-based) argument -// to proto2_buffer. -TEST(SetArgumentPointeeTest, SetsTheNthPointeeOfProto2BufferBaseType) { - using testing::internal::FooMessage; - FooMessage* const msg = new FooMessage; - msg->set_int_field(2); - msg->set_string_field("hi"); - FooMessage orig_msg; - orig_msg.CopyFrom(*msg); - - Action<void(bool, ::proto2::Message*)> a = SetArgumentPointee<1>(*msg); - // SetArgumentPointee<N>(proto2_buffer) makes a copy of - // proto2_buffer s.t. the action works even when the original - // proto2_buffer has died. We ensure this behavior by deleting msg - // before using the action. - delete msg; - - FooMessage dest; - dest.set_int_field(0); - ::proto2::Message* const dest_base = &dest; - a.Perform(make_tuple(true, dest_base)); - EXPECT_EQ(2, dest.int_field()); - EXPECT_EQ("hi", dest.string_field()); -} - -#endif // GTEST_HAS_PROTOBUF_ - // Sample functions and functors for testing Invoke() and etc. int Nullary() { return 1; } @@ -1126,16 +940,16 @@ class Foo { TEST(InvokeWithoutArgsTest, Function) { // As an action that takes one argument. Action<int(int)> a = InvokeWithoutArgs(Nullary); // NOLINT - EXPECT_EQ(1, a.Perform(make_tuple(2))); + EXPECT_EQ(1, a.Perform(std::make_tuple(2))); // As an action that takes two arguments. Action<int(int, double)> a2 = InvokeWithoutArgs(Nullary); // NOLINT - EXPECT_EQ(1, a2.Perform(make_tuple(2, 3.5))); + EXPECT_EQ(1, a2.Perform(std::make_tuple(2, 3.5))); // As an action that returns void. Action<void(int)> a3 = InvokeWithoutArgs(VoidNullary); // NOLINT g_done = false; - a3.Perform(make_tuple(1)); + a3.Perform(std::make_tuple(1)); EXPECT_TRUE(g_done); } @@ -1143,17 +957,17 @@ TEST(InvokeWithoutArgsTest, Function) { TEST(InvokeWithoutArgsTest, Functor) { // As an action that takes no argument. Action<int()> a = InvokeWithoutArgs(NullaryFunctor()); // NOLINT - EXPECT_EQ(2, a.Perform(make_tuple())); + EXPECT_EQ(2, a.Perform(std::make_tuple())); // As an action that takes three arguments. Action<int(int, double, char)> a2 = // NOLINT InvokeWithoutArgs(NullaryFunctor()); - EXPECT_EQ(2, a2.Perform(make_tuple(3, 3.5, 'a'))); + EXPECT_EQ(2, a2.Perform(std::make_tuple(3, 3.5, 'a'))); // As an action that returns void. Action<void()> a3 = InvokeWithoutArgs(VoidNullaryFunctor()); g_done = false; - a3.Perform(make_tuple()); + a3.Perform(std::make_tuple()); EXPECT_TRUE(g_done); } @@ -1162,13 +976,13 @@ TEST(InvokeWithoutArgsTest, Method) { Foo foo; Action<int(bool, char)> a = // NOLINT InvokeWithoutArgs(&foo, &Foo::Nullary); - EXPECT_EQ(123, a.Perform(make_tuple(true, 'a'))); + EXPECT_EQ(123, a.Perform(std::make_tuple(true, 'a'))); } // Tests using IgnoreResult() on a polymorphic action. TEST(IgnoreResultTest, PolymorphicAction) { Action<void(int)> a = IgnoreResult(Return(5)); // NOLINT - a.Perform(make_tuple(1)); + a.Perform(std::make_tuple(1)); } // Tests using IgnoreResult() on a monomorphic action. @@ -1181,7 +995,7 @@ int ReturnOne() { TEST(IgnoreResultTest, MonomorphicAction) { g_done = false; Action<void()> a = IgnoreResult(Invoke(ReturnOne)); - a.Perform(make_tuple()); + a.Perform(std::make_tuple()); EXPECT_TRUE(g_done); } @@ -1196,28 +1010,28 @@ TEST(IgnoreResultTest, ActionReturningClass) { g_done = false; Action<void(int)> a = IgnoreResult(Invoke(ReturnMyNonDefaultConstructible)); // NOLINT - a.Perform(make_tuple(2)); + a.Perform(std::make_tuple(2)); EXPECT_TRUE(g_done); } TEST(AssignTest, Int) { int x = 0; Action<void(int)> a = Assign(&x, 5); - a.Perform(make_tuple(0)); + a.Perform(std::make_tuple(0)); EXPECT_EQ(5, x); } TEST(AssignTest, String) { ::std::string x; Action<void(void)> a = Assign(&x, "Hello, world"); - a.Perform(make_tuple()); + a.Perform(std::make_tuple()); EXPECT_EQ("Hello, world", x); } TEST(AssignTest, CompatibleTypes) { double x = 0; Action<void(int)> a = Assign(&x, 5); - a.Perform(make_tuple(0)); + a.Perform(std::make_tuple(0)); EXPECT_DOUBLE_EQ(5, x); } @@ -1231,20 +1045,20 @@ class SetErrnoAndReturnTest : public testing::Test { TEST_F(SetErrnoAndReturnTest, Int) { Action<int(void)> a = SetErrnoAndReturn(ENOTTY, -5); - EXPECT_EQ(-5, a.Perform(make_tuple())); + EXPECT_EQ(-5, a.Perform(std::make_tuple())); EXPECT_EQ(ENOTTY, errno); } TEST_F(SetErrnoAndReturnTest, Ptr) { int x; Action<int*(void)> a = SetErrnoAndReturn(ENOTTY, &x); - EXPECT_EQ(&x, a.Perform(make_tuple())); + EXPECT_EQ(&x, a.Perform(std::make_tuple())); EXPECT_EQ(ENOTTY, errno); } TEST_F(SetErrnoAndReturnTest, CompatibleTypes) { Action<double()> a = SetErrnoAndReturn(EINVAL, 5); - EXPECT_DOUBLE_EQ(5.0, a.Perform(make_tuple())); + EXPECT_DOUBLE_EQ(5.0, a.Perform(std::make_tuple())); EXPECT_EQ(EINVAL, errno); } @@ -1406,6 +1220,153 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) { EXPECT_EQ(7, *vresult[0]); } +TEST(MockMethodTest, CanTakeMoveOnlyValue) { + MockClass mock; + auto make = [](int i) { return std::unique_ptr<int>(new int(i)); }; + + EXPECT_CALL(mock, TakeUnique(_)).WillRepeatedly([](std::unique_ptr<int> i) { + return *i; + }); + // DoAll() does not compile, since it would move from its arguments twice. + // EXPECT_CALL(mock, TakeUnique(_, _)) + // .WillRepeatedly(DoAll(Invoke([](std::unique_ptr<int> j) {}), + // Return(1))); + EXPECT_CALL(mock, TakeUnique(testing::Pointee(7))) + .WillOnce(Return(-7)) + .RetiresOnSaturation(); + EXPECT_CALL(mock, TakeUnique(testing::IsNull())) + .WillOnce(Return(-1)) + .RetiresOnSaturation(); + + EXPECT_EQ(5, mock.TakeUnique(make(5))); + EXPECT_EQ(-7, mock.TakeUnique(make(7))); + EXPECT_EQ(7, mock.TakeUnique(make(7))); + EXPECT_EQ(7, mock.TakeUnique(make(7))); + EXPECT_EQ(-1, mock.TakeUnique({})); + + // Some arguments are moved, some passed by reference. + auto lvalue = make(6); + EXPECT_CALL(mock, TakeUnique(_, _)) + .WillOnce([](const std::unique_ptr<int>& i, std::unique_ptr<int> j) { + return *i * *j; + }); + EXPECT_EQ(42, mock.TakeUnique(lvalue, make(7))); + + // The unique_ptr can be saved by the action. + std::unique_ptr<int> saved; + EXPECT_CALL(mock, TakeUnique(_)).WillOnce([&saved](std::unique_ptr<int> i) { + saved = std::move(i); + return 0; + }); + EXPECT_EQ(0, mock.TakeUnique(make(42))); + EXPECT_EQ(42, *saved); +} + #endif // GTEST_HAS_STD_UNIQUE_PTR_ +#if GTEST_LANG_CXX11 +// Tests for std::function based action. + +int Add(int val, int& ref, int* ptr) { // NOLINT + int result = val + ref + *ptr; + ref = 42; + *ptr = 43; + return result; +} + +int Deref(std::unique_ptr<int> ptr) { return *ptr; } + +struct Double { + template <typename T> + T operator()(T t) { return 2 * t; } +}; + +std::unique_ptr<int> UniqueInt(int i) { + return std::unique_ptr<int>(new int(i)); +} + +TEST(FunctorActionTest, ActionFromFunction) { + Action<int(int, int&, int*)> a = &Add; + int x = 1, y = 2, z = 3; + EXPECT_EQ(6, a.Perform(std::forward_as_tuple(x, y, &z))); + EXPECT_EQ(42, y); + EXPECT_EQ(43, z); + + Action<int(std::unique_ptr<int>)> a1 = &Deref; + EXPECT_EQ(7, a1.Perform(std::make_tuple(UniqueInt(7)))); +} + +TEST(FunctorActionTest, ActionFromLambda) { + Action<int(bool, int)> a1 = [](bool b, int i) { return b ? i : 0; }; + EXPECT_EQ(5, a1.Perform(std::make_tuple(true, 5))); + EXPECT_EQ(0, a1.Perform(std::make_tuple(false, 5))); + + std::unique_ptr<int> saved; + Action<void(std::unique_ptr<int>)> a2 = [&saved](std::unique_ptr<int> p) { + saved = std::move(p); + }; + a2.Perform(std::make_tuple(UniqueInt(5))); + EXPECT_EQ(5, *saved); +} + +TEST(FunctorActionTest, PolymorphicFunctor) { + Action<int(int)> ai = Double(); + EXPECT_EQ(2, ai.Perform(std::make_tuple(1))); + Action<double(double)> ad = Double(); // Double? Double double! + EXPECT_EQ(3.0, ad.Perform(std::make_tuple(1.5))); +} + +TEST(FunctorActionTest, TypeConversion) { + // Numeric promotions are allowed. + const Action<bool(int)> a1 = [](int i) { return i > 1; }; + const Action<int(bool)> a2 = Action<int(bool)>(a1); + EXPECT_EQ(1, a1.Perform(std::make_tuple(42))); + EXPECT_EQ(0, a2.Perform(std::make_tuple(42))); + + // Implicit constructors are allowed. + const Action<bool(std::string)> s1 = [](std::string s) { return !s.empty(); }; + const Action<int(const char*)> s2 = Action<int(const char*)>(s1); + EXPECT_EQ(0, s2.Perform(std::make_tuple(""))); + EXPECT_EQ(1, s2.Perform(std::make_tuple("hello"))); + + // Also between the lambda and the action itself. + const Action<bool(std::string)> x = [](Unused) { return 42; }; + EXPECT_TRUE(x.Perform(std::make_tuple("hello"))); +} + +TEST(FunctorActionTest, UnusedArguments) { + // Verify that users can ignore uninteresting arguments. + Action<int(int, double y, double z)> a = + [](int i, Unused, Unused) { return 2 * i; }; + std::tuple<int, double, double> dummy = std::make_tuple(3, 7.3, 9.44); + EXPECT_EQ(6, a.Perform(dummy)); +} + +// Test that basic built-in actions work with move-only arguments. +// FIXME: Currently, almost all ActionInterface-based actions will not +// work, even if they only try to use other, copyable arguments. Implement them +// if necessary (but note that DoAll cannot work on non-copyable types anyway - +// so maybe it's better to make users use lambdas instead. +TEST(MoveOnlyArgumentsTest, ReturningActions) { + Action<int(std::unique_ptr<int>)> a = Return(1); + EXPECT_EQ(1, a.Perform(std::make_tuple(nullptr))); + + a = testing::WithoutArgs([]() { return 7; }); + EXPECT_EQ(7, a.Perform(std::make_tuple(nullptr))); + + Action<void(std::unique_ptr<int>, int*)> a2 = testing::SetArgPointee<1>(3); + int x = 0; + a2.Perform(std::make_tuple(nullptr, &x)); + EXPECT_EQ(x, 3); +} + +#endif // GTEST_LANG_CXX11 + } // Unnamed namespace + +#ifdef _MSC_VER +#if _MSC_VER == 1900 +# pragma warning(pop) +#endif +#endif + |