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Diffstat (limited to 'third_party/googletest/googlemock/test/gmock-spec-builders_test.cc')
| -rw-r--r-- | third_party/googletest/googlemock/test/gmock-spec-builders_test.cc | 2771 |
1 files changed, 0 insertions, 2771 deletions
diff --git a/third_party/googletest/googlemock/test/gmock-spec-builders_test.cc b/third_party/googletest/googlemock/test/gmock-spec-builders_test.cc deleted file mode 100644 index 715aac8..0000000 --- a/third_party/googletest/googlemock/test/gmock-spec-builders_test.cc +++ /dev/null @@ -1,2771 +0,0 @@ -// 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. -// -// Author: wan@google.com (Zhanyong Wan) - -// Google Mock - a framework for writing C++ mock classes. -// -// This file tests the spec builder syntax. - -#include "gmock/gmock-spec-builders.h" - -#include <ostream> // NOLINT -#include <sstream> -#include <string> - -#include "gmock/gmock.h" -#include "gmock/internal/gmock-port.h" -#include "gtest/gtest.h" -#include "gtest/gtest-spi.h" -#include "gtest/internal/gtest-port.h" - -namespace testing { -namespace internal { - -// Helper class for testing the Expectation class template. -class ExpectationTester { - public: - // Sets the call count of the given expectation to the given number. - void SetCallCount(int n, ExpectationBase* exp) { - exp->call_count_ = n; - } -}; - -} // namespace internal -} // namespace testing - -namespace { - -using testing::_; -using testing::AnyNumber; -using testing::AtLeast; -using testing::AtMost; -using testing::Between; -using testing::Cardinality; -using testing::CardinalityInterface; -using testing::ContainsRegex; -using testing::Const; -using testing::DoAll; -using testing::DoDefault; -using testing::Eq; -using testing::Expectation; -using testing::ExpectationSet; -using testing::GMOCK_FLAG(verbose); -using testing::Gt; -using testing::InSequence; -using testing::Invoke; -using testing::InvokeWithoutArgs; -using testing::IsNotSubstring; -using testing::IsSubstring; -using testing::Lt; -using testing::Message; -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; -using testing::internal::FormatFileLocation; -using testing::internal::kAllow; -using testing::internal::kErrorVerbosity; -using testing::internal::kFail; -using testing::internal::kInfoVerbosity; -using testing::internal::kWarn; -using testing::internal::kWarningVerbosity; -using testing::internal::linked_ptr; - -#if GTEST_HAS_STREAM_REDIRECTION -using testing::HasSubstr; -using testing::internal::CaptureStdout; -using testing::internal::GetCapturedStdout; -#endif - -class Incomplete; - -class MockIncomplete { - public: - // This line verifies that a mock method can take a by-reference - // argument of an incomplete type. - MOCK_METHOD1(ByRefFunc, void(const Incomplete& x)); -}; - -// Tells Google Mock how to print a value of type Incomplete. -void PrintTo(const Incomplete& x, ::std::ostream* os); - -TEST(MockMethodTest, CanInstantiateWithIncompleteArgType) { - // Even though this mock class contains a mock method that takes - // by-reference an argument whose type is incomplete, we can still - // use the mock, as long as Google Mock knows how to print the - // argument. - MockIncomplete incomplete; - EXPECT_CALL(incomplete, ByRefFunc(_)) - .Times(AnyNumber()); -} - -// The definition of the printer for the argument type doesn't have to -// be visible where the mock is used. -void PrintTo(const Incomplete& /* x */, ::std::ostream* os) { - *os << "incomplete"; -} - -class Result {}; - -// A type that's not default constructible. -class NonDefaultConstructible { - public: - explicit NonDefaultConstructible(int /* dummy */) {} -}; - -class MockA { - public: - MockA() {} - - MOCK_METHOD1(DoA, void(int n)); - MOCK_METHOD1(ReturnResult, Result(int n)); - MOCK_METHOD0(ReturnNonDefaultConstructible, NonDefaultConstructible()); - MOCK_METHOD2(Binary, bool(int x, int y)); - MOCK_METHOD2(ReturnInt, int(int x, int y)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockA); -}; - -class MockB { - public: - MockB() {} - - MOCK_CONST_METHOD0(DoB, int()); // NOLINT - MOCK_METHOD1(DoB, int(int n)); // NOLINT - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockB); -}; - -class ReferenceHoldingMock { - public: - ReferenceHoldingMock() {} - - MOCK_METHOD1(AcceptReference, void(linked_ptr<MockA>*)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(ReferenceHoldingMock); -}; - -// Tests that EXPECT_CALL and ON_CALL compile in a presence of macro -// redefining a mock method name. This could happen, for example, when -// the tested code #includes Win32 API headers which define many APIs -// as macros, e.g. #define TextOut TextOutW. - -#define Method MethodW - -class CC { - public: - virtual ~CC() {} - virtual int Method() = 0; -}; -class MockCC : public CC { - public: - MockCC() {} - - MOCK_METHOD0(Method, int()); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockCC); -}; - -// Tests that a method with expanded name compiles. -TEST(OnCallSyntaxTest, CompilesWithMethodNameExpandedFromMacro) { - MockCC cc; - ON_CALL(cc, Method()); -} - -// Tests that the method with expanded name not only compiles but runs -// and returns a correct value, too. -TEST(OnCallSyntaxTest, WorksWithMethodNameExpandedFromMacro) { - MockCC cc; - ON_CALL(cc, Method()).WillByDefault(Return(42)); - EXPECT_EQ(42, cc.Method()); -} - -// Tests that a method with expanded name compiles. -TEST(ExpectCallSyntaxTest, CompilesWithMethodNameExpandedFromMacro) { - MockCC cc; - EXPECT_CALL(cc, Method()); - cc.Method(); -} - -// Tests that it works, too. -TEST(ExpectCallSyntaxTest, WorksWithMethodNameExpandedFromMacro) { - MockCC cc; - EXPECT_CALL(cc, Method()).WillOnce(Return(42)); - EXPECT_EQ(42, cc.Method()); -} - -#undef Method // Done with macro redefinition tests. - -// Tests that ON_CALL evaluates its arguments exactly once as promised -// by Google Mock. -TEST(OnCallSyntaxTest, EvaluatesFirstArgumentOnce) { - MockA a; - MockA* pa = &a; - - ON_CALL(*pa++, DoA(_)); - EXPECT_EQ(&a + 1, pa); -} - -TEST(OnCallSyntaxTest, EvaluatesSecondArgumentOnce) { - MockA a; - int n = 0; - - ON_CALL(a, DoA(n++)); - EXPECT_EQ(1, n); -} - -// Tests that the syntax of ON_CALL() is enforced at run time. - -TEST(OnCallSyntaxTest, WithIsOptional) { - MockA a; - - ON_CALL(a, DoA(5)) - .WillByDefault(Return()); - ON_CALL(a, DoA(_)) - .With(_) - .WillByDefault(Return()); -} - -TEST(OnCallSyntaxTest, WithCanAppearAtMostOnce) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - ON_CALL(a, ReturnResult(_)) - .With(_) - .With(_) - .WillByDefault(Return(Result())); - }, ".With() cannot appear more than once in an ON_CALL()"); -} - -TEST(OnCallSyntaxTest, WillByDefaultIsMandatory) { - MockA a; - - EXPECT_DEATH_IF_SUPPORTED({ - ON_CALL(a, DoA(5)); - a.DoA(5); - }, ""); -} - -TEST(OnCallSyntaxTest, WillByDefaultCanAppearAtMostOnce) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - ON_CALL(a, DoA(5)) - .WillByDefault(Return()) - .WillByDefault(Return()); - }, ".WillByDefault() must appear exactly once in an ON_CALL()"); -} - -// Tests that EXPECT_CALL evaluates its arguments exactly once as -// promised by Google Mock. -TEST(ExpectCallSyntaxTest, EvaluatesFirstArgumentOnce) { - MockA a; - MockA* pa = &a; - - EXPECT_CALL(*pa++, DoA(_)); - a.DoA(0); - EXPECT_EQ(&a + 1, pa); -} - -TEST(ExpectCallSyntaxTest, EvaluatesSecondArgumentOnce) { - MockA a; - int n = 0; - - EXPECT_CALL(a, DoA(n++)); - a.DoA(0); - EXPECT_EQ(1, n); -} - -// Tests that the syntax of EXPECT_CALL() is enforced at run time. - -TEST(ExpectCallSyntaxTest, WithIsOptional) { - MockA a; - - EXPECT_CALL(a, DoA(5)) - .Times(0); - EXPECT_CALL(a, DoA(6)) - .With(_) - .Times(0); -} - -TEST(ExpectCallSyntaxTest, WithCanAppearAtMostOnce) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(6)) - .With(_) - .With(_); - }, ".With() cannot appear more than once in an EXPECT_CALL()"); - - a.DoA(6); -} - -TEST(ExpectCallSyntaxTest, WithMustBeFirstClause) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .Times(1) - .With(_); - }, ".With() must be the first clause in an EXPECT_CALL()"); - - a.DoA(1); - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .With(_); - }, ".With() must be the first clause in an EXPECT_CALL()"); - - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, TimesCanBeInferred) { - MockA a; - - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()); - - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .WillRepeatedly(Return()); - - a.DoA(1); - a.DoA(2); - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, TimesCanAppearAtMostOnce) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .Times(1) - .Times(2); - }, ".Times() cannot appear more than once in an EXPECT_CALL()"); - - a.DoA(1); - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, TimesMustBeBeforeInSequence) { - MockA a; - Sequence s; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .InSequence(s) - .Times(1); - }, ".Times() cannot appear after "); - - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, InSequenceIsOptional) { - MockA a; - Sequence s; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)) - .InSequence(s); - - a.DoA(1); - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, InSequenceCanAppearMultipleTimes) { - MockA a; - Sequence s1, s2; - - EXPECT_CALL(a, DoA(1)) - .InSequence(s1, s2) - .InSequence(s1); - - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, InSequenceMustBeBeforeAfter) { - MockA a; - Sequence s; - - Expectation e = EXPECT_CALL(a, DoA(1)) - .Times(AnyNumber()); - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(2)) - .After(e) - .InSequence(s); - }, ".InSequence() cannot appear after "); - - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, InSequenceMustBeBeforeWillOnce) { - MockA a; - Sequence s; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()) - .InSequence(s); - }, ".InSequence() cannot appear after "); - - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, AfterMustBeBeforeWillOnce) { - MockA a; - - Expectation e = EXPECT_CALL(a, DoA(1)); - EXPECT_NONFATAL_FAILURE({ - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .After(e); - }, ".After() cannot appear after "); - - a.DoA(1); - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, WillIsOptional) { - MockA a; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()); - - a.DoA(1); - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, WillCanAppearMultipleTimes) { - MockA a; - - EXPECT_CALL(a, DoA(1)) - .Times(AnyNumber()) - .WillOnce(Return()) - .WillOnce(Return()) - .WillOnce(Return()); -} - -TEST(ExpectCallSyntaxTest, WillMustBeBeforeWillRepeatedly) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillRepeatedly(Return()) - .WillOnce(Return()); - }, ".WillOnce() cannot appear after "); - - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, WillRepeatedlyIsOptional) { - MockA a; - - EXPECT_CALL(a, DoA(1)) - .WillOnce(Return()); - EXPECT_CALL(a, DoA(2)) - .WillOnce(Return()) - .WillRepeatedly(Return()); - - a.DoA(1); - a.DoA(2); - a.DoA(2); -} - -TEST(ExpectCallSyntaxTest, WillRepeatedlyCannotAppearMultipleTimes) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .WillRepeatedly(Return()) - .WillRepeatedly(Return()); - }, ".WillRepeatedly() cannot appear more than once in an " - "EXPECT_CALL()"); -} - -TEST(ExpectCallSyntaxTest, WillRepeatedlyMustBeBeforeRetiresOnSaturation) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation() - .WillRepeatedly(Return()); - }, ".WillRepeatedly() cannot appear after "); -} - -TEST(ExpectCallSyntaxTest, RetiresOnSaturationIsOptional) { - MockA a; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation(); - - a.DoA(1); - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, RetiresOnSaturationCannotAppearMultipleTimes) { - MockA a; - - EXPECT_NONFATAL_FAILURE({ // NOLINT - EXPECT_CALL(a, DoA(1)) - .RetiresOnSaturation() - .RetiresOnSaturation(); - }, ".RetiresOnSaturation() cannot appear more than once"); - - a.DoA(1); -} - -TEST(ExpectCallSyntaxTest, DefaultCardinalityIsOnce) { - { - MockA a; - EXPECT_CALL(a, DoA(1)); - a.DoA(1); - } - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockA a; - EXPECT_CALL(a, DoA(1)); - }, "to be called once"); - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockA a; - EXPECT_CALL(a, DoA(1)); - a.DoA(1); - a.DoA(1); - }, "to be called once"); -} - -#if GTEST_HAS_STREAM_REDIRECTION - -// Tests that Google Mock doesn't print a warning when the number of -// WillOnce() is adequate. -TEST(ExpectCallSyntaxTest, DoesNotWarnOnAdequateActionCount) { - CaptureStdout(); - { - MockB b; - - // It's always fine to omit WillOnce() entirely. - EXPECT_CALL(b, DoB()) - .Times(0); - EXPECT_CALL(b, DoB(1)) - .Times(AtMost(1)); - EXPECT_CALL(b, DoB(2)) - .Times(1) - .WillRepeatedly(Return(1)); - - // It's fine for the number of WillOnce()s to equal the upper bound. - EXPECT_CALL(b, DoB(3)) - .Times(Between(1, 2)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - - // It's fine for the number of WillOnce()s to be smaller than the - // upper bound when there is a WillRepeatedly(). - EXPECT_CALL(b, DoB(4)) - .Times(AtMost(3)) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - - // Satisfies the above expectations. - b.DoB(2); - b.DoB(3); - } - EXPECT_STREQ("", GetCapturedStdout().c_str()); -} - -// Tests that Google Mock warns on having too many actions in an -// expectation compared to its cardinality. -TEST(ExpectCallSyntaxTest, WarnsOnTooManyActions) { - CaptureStdout(); - { - MockB b; - - // Warns when the number of WillOnce()s is larger than the upper bound. - EXPECT_CALL(b, DoB()) - .Times(0) - .WillOnce(Return(1)); // #1 - EXPECT_CALL(b, DoB()) - .Times(AtMost(1)) - .WillOnce(Return(1)) - .WillOnce(Return(2)); // #2 - EXPECT_CALL(b, DoB(1)) - .Times(1) - .WillOnce(Return(1)) - .WillOnce(Return(2)) - .RetiresOnSaturation(); // #3 - - // Warns when the number of WillOnce()s equals the upper bound and - // there is a WillRepeatedly(). - EXPECT_CALL(b, DoB()) - .Times(0) - .WillRepeatedly(Return(1)); // #4 - EXPECT_CALL(b, DoB(2)) - .Times(1) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); // #5 - - // Satisfies the above expectations. - b.DoB(1); - b.DoB(2); - } - const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be never called, but has 1 WillOnce().", - output); // #1 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be called at most once, " - "but has 2 WillOnce()s.", - output); // #2 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB(1))...\n" - "Expected to be called once, but has 2 WillOnce()s.", - output); // #3 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be never called, but has 0 WillOnce()s " - "and a WillRepeatedly().", - output); // #4 - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too many actions specified in EXPECT_CALL(b, DoB(2))...\n" - "Expected to be called once, but has 1 WillOnce() " - "and a WillRepeatedly().", - output); // #5 -} - -// Tests that Google Mock warns on having too few actions in an -// expectation compared to its cardinality. -TEST(ExpectCallSyntaxTest, WarnsOnTooFewActions) { - MockB b; - - EXPECT_CALL(b, DoB()) - .Times(Between(2, 3)) - .WillOnce(Return(1)); - - CaptureStdout(); - b.DoB(); - const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2( - IsSubstring, - "Too few actions specified in EXPECT_CALL(b, DoB())...\n" - "Expected to be called between 2 and 3 times, " - "but has only 1 WillOnce().", - output); - b.DoB(); -} - -TEST(ExpectCallSyntaxTest, WarningIsErrorWithFlag) { - int original_behavior = testing::GMOCK_FLAG(default_mock_behavior); - - testing::GMOCK_FLAG(default_mock_behavior) = kAllow; - CaptureStdout(); - { - MockA a; - a.DoA(0); - } - std::string output = GetCapturedStdout(); - EXPECT_TRUE(output.empty()) << output; - - testing::GMOCK_FLAG(default_mock_behavior) = kWarn; - CaptureStdout(); - { - MockA a; - a.DoA(0); - } - std::string warning_output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", warning_output); - EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", - warning_output); - - testing::GMOCK_FLAG(default_mock_behavior) = kFail; - EXPECT_NONFATAL_FAILURE({ - MockA a; - a.DoA(0); - }, "Uninteresting mock function call"); - - // Out of bounds values are converted to kWarn - testing::GMOCK_FLAG(default_mock_behavior) = -1; - CaptureStdout(); - { - MockA a; - a.DoA(0); - } - warning_output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", warning_output); - EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", - warning_output); - testing::GMOCK_FLAG(default_mock_behavior) = 3; - CaptureStdout(); - { - MockA a; - a.DoA(0); - } - warning_output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", warning_output); - EXPECT_PRED_FORMAT2(IsSubstring, "Uninteresting mock function call", - warning_output); - - testing::GMOCK_FLAG(default_mock_behavior) = original_behavior; -} - -#endif // GTEST_HAS_STREAM_REDIRECTION - -// Tests the semantics of ON_CALL(). - -// Tests that the built-in default action is taken when no ON_CALL() -// is specified. -TEST(OnCallTest, TakesBuiltInDefaultActionWhenNoOnCall) { - MockB b; - EXPECT_CALL(b, DoB()); - - EXPECT_EQ(0, b.DoB()); -} - -// Tests that the built-in default action is taken when no ON_CALL() -// matches the invocation. -TEST(OnCallTest, TakesBuiltInDefaultActionWhenNoOnCallMatches) { - MockB b; - ON_CALL(b, DoB(1)) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(_)); - - EXPECT_EQ(0, b.DoB(2)); -} - -// Tests that the last matching ON_CALL() action is taken. -TEST(OnCallTest, PicksLastMatchingOnCall) { - MockB b; - ON_CALL(b, DoB(_)) - .WillByDefault(Return(3)); - ON_CALL(b, DoB(2)) - .WillByDefault(Return(2)); - ON_CALL(b, DoB(1)) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(_)); - - EXPECT_EQ(2, b.DoB(2)); -} - -// Tests the semantics of EXPECT_CALL(). - -// Tests that any call is allowed when no EXPECT_CALL() is specified. -TEST(ExpectCallTest, AllowsAnyCallWhenNoSpec) { - MockB b; - EXPECT_CALL(b, DoB()); - // There is no expectation on DoB(int). - - b.DoB(); - - // DoB(int) can be called any number of times. - b.DoB(1); - b.DoB(2); -} - -// Tests that the last matching EXPECT_CALL() fires. -TEST(ExpectCallTest, PicksLastMatchingExpectCall) { - MockB b; - EXPECT_CALL(b, DoB(_)) - .WillRepeatedly(Return(2)); - EXPECT_CALL(b, DoB(1)) - .WillRepeatedly(Return(1)); - - EXPECT_EQ(1, b.DoB(1)); -} - -// Tests lower-bound violation. -TEST(ExpectCallTest, CatchesTooFewCalls) { - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB(5)) - .Times(AtLeast(2)); - - b.DoB(5); - }, "Actual function call count doesn't match EXPECT_CALL(b, DoB(5))...\n" - " Expected: to be called at least twice\n" - " Actual: called once - unsatisfied and active"); -} - -// Tests that the cardinality can be inferred when no Times(...) is -// specified. -TEST(ExpectCallTest, InfersCardinalityWhenThereIsNoWillRepeatedly) { - { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - } - - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - - EXPECT_EQ(1, b.DoB()); - }, "to be called twice"); - - { // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - EXPECT_NONFATAL_FAILURE(b.DoB(), "to be called twice"); - } -} - -TEST(ExpectCallTest, InfersCardinality1WhenThereIsWillRepeatedly) { - { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - - EXPECT_EQ(1, b.DoB()); - } - - { // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - EXPECT_EQ(2, b.DoB()); - } - - EXPECT_NONFATAL_FAILURE({ // NOLINT - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - }, "to be called at least once"); -} - -// Tests that the n-th action is taken for the n-th matching -// invocation. -TEST(ExpectCallTest, NthMatchTakesNthAction) { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillOnce(Return(2)) - .WillOnce(Return(3)); - - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - EXPECT_EQ(3, b.DoB()); -} - -// Tests that the WillRepeatedly() action is taken when the WillOnce(...) -// list is exhausted. -TEST(ExpectCallTest, TakesRepeatedActionWhenWillListIsExhausted) { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)) - .WillRepeatedly(Return(2)); - - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - EXPECT_EQ(2, b.DoB()); -} - -#if GTEST_HAS_STREAM_REDIRECTION - -// Tests that the default action is taken when the WillOnce(...) list is -// exhausted and there is no WillRepeatedly(). -TEST(ExpectCallTest, TakesDefaultActionWhenWillListIsExhausted) { - MockB b; - EXPECT_CALL(b, DoB(_)) - .Times(1); - EXPECT_CALL(b, DoB()) - .Times(AnyNumber()) - .WillOnce(Return(1)) - .WillOnce(Return(2)); - - CaptureStdout(); - EXPECT_EQ(0, b.DoB(1)); // Shouldn't generate a warning as the - // expectation has no action clause at all. - EXPECT_EQ(1, b.DoB()); - EXPECT_EQ(2, b.DoB()); - const std::string output1 = GetCapturedStdout(); - EXPECT_STREQ("", output1.c_str()); - - CaptureStdout(); - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB()); - const std::string output2 = GetCapturedStdout(); - EXPECT_THAT(output2.c_str(), - HasSubstr("Actions ran out in EXPECT_CALL(b, DoB())...\n" - "Called 3 times, but only 2 WillOnce()s are specified" - " - returning default value.")); - EXPECT_THAT(output2.c_str(), - HasSubstr("Actions ran out in EXPECT_CALL(b, DoB())...\n" - "Called 4 times, but only 2 WillOnce()s are specified" - " - returning default value.")); -} - -TEST(FunctionMockerMessageTest, ReportsExpectCallLocationForExhausedActions) { - MockB b; - std::string expect_call_location = FormatFileLocation(__FILE__, __LINE__ + 1); - EXPECT_CALL(b, DoB()).Times(AnyNumber()).WillOnce(Return(1)); - - EXPECT_EQ(1, b.DoB()); - - CaptureStdout(); - EXPECT_EQ(0, b.DoB()); - const std::string output = GetCapturedStdout(); - // The warning message should contain the call location. - EXPECT_PRED_FORMAT2(IsSubstring, expect_call_location, output); -} - -TEST(FunctionMockerMessageTest, - ReportsDefaultActionLocationOfUninterestingCallsForNaggyMock) { - std::string on_call_location; - CaptureStdout(); - { - NaggyMock<MockB> b; - on_call_location = FormatFileLocation(__FILE__, __LINE__ + 1); - ON_CALL(b, DoB(_)).WillByDefault(Return(0)); - b.DoB(0); - } - EXPECT_PRED_FORMAT2(IsSubstring, on_call_location, GetCapturedStdout()); -} - -#endif // GTEST_HAS_STREAM_REDIRECTION - -// Tests that an uninteresting call performs the default action. -TEST(UninterestingCallTest, DoesDefaultAction) { - // When there is an ON_CALL() statement, the action specified by it - // should be taken. - MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); - EXPECT_TRUE(a.Binary(1, 2)); - - // When there is no ON_CALL(), the default value for the return type - // should be returned. - MockB b; - EXPECT_EQ(0, b.DoB()); -} - -// Tests that an unexpected call performs the default action. -TEST(UnexpectedCallTest, DoesDefaultAction) { - // When there is an ON_CALL() statement, the action specified by it - // should be taken. - MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); - EXPECT_CALL(a, Binary(0, 0)); - a.Binary(0, 0); - bool result = false; - EXPECT_NONFATAL_FAILURE(result = a.Binary(1, 2), - "Unexpected mock function call"); - EXPECT_TRUE(result); - - // When there is no ON_CALL(), the default value for the return type - // should be returned. - MockB b; - EXPECT_CALL(b, DoB(0)) - .Times(0); - int n = -1; - EXPECT_NONFATAL_FAILURE(n = b.DoB(1), - "Unexpected mock function call"); - EXPECT_EQ(0, n); -} - -// Tests that when an unexpected void function generates the right -// failure message. -TEST(UnexpectedCallTest, GeneratesFailureForVoidFunction) { - // First, tests the message when there is only one EXPECT_CALL(). - MockA a1; - EXPECT_CALL(a1, DoA(1)); - a1.DoA(1); - // Ideally we should match the failure message against a regex, but - // EXPECT_NONFATAL_FAILURE doesn't support that, so we test for - // multiple sub-strings instead. - EXPECT_NONFATAL_FAILURE( - a1.DoA(9), - "Unexpected mock function call - returning directly.\n" - " Function call: DoA(9)\n" - "Google Mock tried the following 1 expectation, but it didn't match:"); - EXPECT_NONFATAL_FAILURE( - a1.DoA(9), - " Expected arg #0: is equal to 1\n" - " Actual: 9\n" - " Expected: to be called once\n" - " Actual: called once - saturated and active"); - - // Next, tests the message when there are more than one EXPECT_CALL(). - MockA a2; - EXPECT_CALL(a2, DoA(1)); - EXPECT_CALL(a2, DoA(3)); - a2.DoA(1); - EXPECT_NONFATAL_FAILURE( - a2.DoA(2), - "Unexpected mock function call - returning directly.\n" - " Function call: DoA(2)\n" - "Google Mock tried the following 2 expectations, but none matched:"); - EXPECT_NONFATAL_FAILURE( - a2.DoA(2), - "tried expectation #0: EXPECT_CALL(a2, DoA(1))...\n" - " Expected arg #0: is equal to 1\n" - " Actual: 2\n" - " Expected: to be called once\n" - " Actual: called once - saturated and active"); - EXPECT_NONFATAL_FAILURE( - a2.DoA(2), - "tried expectation #1: EXPECT_CALL(a2, DoA(3))...\n" - " Expected arg #0: is equal to 3\n" - " Actual: 2\n" - " Expected: to be called once\n" - " Actual: never called - unsatisfied and active"); - a2.DoA(3); -} - -// Tests that an unexpected non-void function generates the right -// failure message. -TEST(UnexpectedCallTest, GeneartesFailureForNonVoidFunction) { - MockB b1; - EXPECT_CALL(b1, DoB(1)); - b1.DoB(1); - EXPECT_NONFATAL_FAILURE( - b1.DoB(2), - "Unexpected mock function call - returning default value.\n" - " Function call: DoB(2)\n" - " Returns: 0\n" - "Google Mock tried the following 1 expectation, but it didn't match:"); - EXPECT_NONFATAL_FAILURE( - b1.DoB(2), - " Expected arg #0: is equal to 1\n" - " Actual: 2\n" - " Expected: to be called once\n" - " Actual: called once - saturated and active"); -} - -// Tests that Google Mock explains that an retired expectation doesn't -// match the call. -TEST(UnexpectedCallTest, RetiredExpectation) { - MockB b; - EXPECT_CALL(b, DoB(1)) - .RetiresOnSaturation(); - - b.DoB(1); - EXPECT_NONFATAL_FAILURE( - b.DoB(1), - " Expected: the expectation is active\n" - " Actual: it is retired"); -} - -// Tests that Google Mock explains that an expectation that doesn't -// match the arguments doesn't match the call. -TEST(UnexpectedCallTest, UnmatchedArguments) { - MockB b; - EXPECT_CALL(b, DoB(1)); - - EXPECT_NONFATAL_FAILURE( - b.DoB(2), - " Expected arg #0: is equal to 1\n" - " Actual: 2\n"); - b.DoB(1); -} - -// Tests that Google Mock explains that an expectation with -// unsatisfied pre-requisites doesn't match the call. -TEST(UnexpectedCallTest, UnsatisifiedPrerequisites) { - Sequence s1, s2; - MockB b; - EXPECT_CALL(b, DoB(1)) - .InSequence(s1); - EXPECT_CALL(b, DoB(2)) - .Times(AnyNumber()) - .InSequence(s1); - EXPECT_CALL(b, DoB(3)) - .InSequence(s2); - EXPECT_CALL(b, DoB(4)) - .InSequence(s1, s2); - - ::testing::TestPartResultArray failures; - { - ::testing::ScopedFakeTestPartResultReporter reporter(&failures); - b.DoB(4); - // Now 'failures' contains the Google Test failures generated by - // the above statement. - } - - // There should be one non-fatal failure. - ASSERT_EQ(1, failures.size()); - const ::testing::TestPartResult& r = failures.GetTestPartResult(0); - EXPECT_EQ(::testing::TestPartResult::kNonFatalFailure, r.type()); - - // Verifies that the failure message contains the two unsatisfied - // pre-requisites but not the satisfied one. -#if GTEST_USES_PCRE - EXPECT_THAT(r.message(), ContainsRegex( - // PCRE has trouble using (.|\n) to match any character, but - // supports the (?s) prefix for using . to match any character. - "(?s)the following immediate pre-requisites are not satisfied:\n" - ".*: pre-requisite #0\n" - ".*: pre-requisite #1")); -#elif GTEST_USES_POSIX_RE - EXPECT_THAT(r.message(), ContainsRegex( - // POSIX RE doesn't understand the (?s) prefix, but has no trouble - // with (.|\n). - "the following immediate pre-requisites are not satisfied:\n" - "(.|\n)*: pre-requisite #0\n" - "(.|\n)*: pre-requisite #1")); -#else - // We can only use Google Test's own simple regex. - EXPECT_THAT(r.message(), ContainsRegex( - "the following immediate pre-requisites are not satisfied:")); - EXPECT_THAT(r.message(), ContainsRegex(": pre-requisite #0")); - EXPECT_THAT(r.message(), ContainsRegex(": pre-requisite #1")); -#endif // GTEST_USES_PCRE - - b.DoB(1); - b.DoB(3); - b.DoB(4); -} - -TEST(UndefinedReturnValueTest, - ReturnValueIsMandatoryWhenNotDefaultConstructible) { - MockA a; - // TODO(wan@google.com): We should really verify the output message, - // but we cannot yet due to that EXPECT_DEATH only captures stderr - // while Google Mock logs to stdout. -#if GTEST_HAS_EXCEPTIONS - EXPECT_ANY_THROW(a.ReturnNonDefaultConstructible()); -#else - EXPECT_DEATH_IF_SUPPORTED(a.ReturnNonDefaultConstructible(), ""); -#endif -} - -// Tests that an excessive call (one whose arguments match the -// matchers but is called too many times) performs the default action. -TEST(ExcessiveCallTest, DoesDefaultAction) { - // When there is an ON_CALL() statement, the action specified by it - // should be taken. - MockA a; - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); - EXPECT_CALL(a, Binary(0, 0)); - a.Binary(0, 0); - bool result = false; - EXPECT_NONFATAL_FAILURE(result = a.Binary(0, 0), - "Mock function called more times than expected"); - EXPECT_TRUE(result); - - // When there is no ON_CALL(), the default value for the return type - // should be returned. - MockB b; - EXPECT_CALL(b, DoB(0)) - .Times(0); - int n = -1; - EXPECT_NONFATAL_FAILURE(n = b.DoB(0), - "Mock function called more times than expected"); - EXPECT_EQ(0, n); -} - -// Tests that when a void function is called too many times, -// the failure message contains the argument values. -TEST(ExcessiveCallTest, GeneratesFailureForVoidFunction) { - MockA a; - EXPECT_CALL(a, DoA(_)) - .Times(0); - EXPECT_NONFATAL_FAILURE( - a.DoA(9), - "Mock function called more times than expected - returning directly.\n" - " Function call: DoA(9)\n" - " Expected: to be never called\n" - " Actual: called once - over-saturated and active"); -} - -// Tests that when a non-void function is called too many times, the -// failure message contains the argument values and the return value. -TEST(ExcessiveCallTest, GeneratesFailureForNonVoidFunction) { - MockB b; - EXPECT_CALL(b, DoB(_)); - b.DoB(1); - EXPECT_NONFATAL_FAILURE( - b.DoB(2), - "Mock function called more times than expected - " - "returning default value.\n" - " Function call: DoB(2)\n" - " Returns: 0\n" - " Expected: to be called once\n" - " Actual: called twice - over-saturated and active"); -} - -// Tests using sequences. - -TEST(InSequenceTest, AllExpectationInScopeAreInSequence) { - MockA a; - { - InSequence dummy; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)); - } - - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(2); - }, "Unexpected mock function call"); - - a.DoA(1); - a.DoA(2); -} - -TEST(InSequenceTest, NestedInSequence) { - MockA a; - { - InSequence dummy; - - EXPECT_CALL(a, DoA(1)); - { - InSequence dummy2; - - EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)); - } - } - - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(1); - a.DoA(3); - }, "Unexpected mock function call"); - - a.DoA(2); - a.DoA(3); -} - -TEST(InSequenceTest, ExpectationsOutOfScopeAreNotAffected) { - MockA a; - { - InSequence dummy; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)); - } - EXPECT_CALL(a, DoA(3)); - - EXPECT_NONFATAL_FAILURE({ // NOLINT - a.DoA(2); - }, "Unexpected mock function call"); - - a.DoA(3); - a.DoA(1); - a.DoA(2); -} - -// Tests that any order is allowed when no sequence is used. -TEST(SequenceTest, AnyOrderIsOkByDefault) { - { - MockA a; - MockB b; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(b, DoB()) - .Times(AnyNumber()); - - a.DoA(1); - b.DoB(); - } - - { // NOLINT - MockA a; - MockB b; - - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(b, DoB()) - .Times(AnyNumber()); - - b.DoB(); - a.DoA(1); - } -} - -// Tests that the calls must be in strict order when a complete order -// is specified. -TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo1) { - MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); - - Sequence s; - EXPECT_CALL(a, ReturnResult(1)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(2)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(3)) - .InSequence(s); - - a.ReturnResult(1); - - // May only be called after a.ReturnResult(2). - EXPECT_NONFATAL_FAILURE(a.ReturnResult(3), "Unexpected mock function call"); - - a.ReturnResult(2); - a.ReturnResult(3); -} - -// Tests that the calls must be in strict order when a complete order -// is specified. -TEST(SequenceTest, CallsMustBeInStrictOrderWhenSaidSo2) { - MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); - - Sequence s; - EXPECT_CALL(a, ReturnResult(1)) - .InSequence(s); - EXPECT_CALL(a, ReturnResult(2)) - .InSequence(s); - - // May only be called after a.ReturnResult(1). - EXPECT_NONFATAL_FAILURE(a.ReturnResult(2), "Unexpected mock function call"); - - a.ReturnResult(1); - a.ReturnResult(2); -} - -// Tests specifying a DAG using multiple sequences. -class PartialOrderTest : public testing::Test { - protected: - PartialOrderTest() { - ON_CALL(a_, ReturnResult(_)) - .WillByDefault(Return(Result())); - - // Specifies this partial ordering: - // - // a.ReturnResult(1) ==> - // a.ReturnResult(2) * n ==> a.ReturnResult(3) - // b.DoB() * 2 ==> - Sequence x, y; - EXPECT_CALL(a_, ReturnResult(1)) - .InSequence(x); - EXPECT_CALL(b_, DoB()) - .Times(2) - .InSequence(y); - EXPECT_CALL(a_, ReturnResult(2)) - .Times(AnyNumber()) - .InSequence(x, y); - EXPECT_CALL(a_, ReturnResult(3)) - .InSequence(x); - } - - MockA a_; - MockB b_; -}; - -TEST_F(PartialOrderTest, CallsMustConformToSpecifiedDag1) { - a_.ReturnResult(1); - b_.DoB(); - - // May only be called after the second DoB(). - EXPECT_NONFATAL_FAILURE(a_.ReturnResult(2), "Unexpected mock function call"); - - b_.DoB(); - a_.ReturnResult(3); -} - -TEST_F(PartialOrderTest, CallsMustConformToSpecifiedDag2) { - // May only be called after ReturnResult(1). - EXPECT_NONFATAL_FAILURE(a_.ReturnResult(2), "Unexpected mock function call"); - - a_.ReturnResult(1); - b_.DoB(); - b_.DoB(); - a_.ReturnResult(3); -} - -TEST_F(PartialOrderTest, CallsMustConformToSpecifiedDag3) { - // May only be called last. - EXPECT_NONFATAL_FAILURE(a_.ReturnResult(3), "Unexpected mock function call"); - - a_.ReturnResult(1); - b_.DoB(); - b_.DoB(); - a_.ReturnResult(3); -} - -TEST_F(PartialOrderTest, CallsMustConformToSpecifiedDag4) { - a_.ReturnResult(1); - b_.DoB(); - b_.DoB(); - a_.ReturnResult(3); - - // May only be called before ReturnResult(3). - EXPECT_NONFATAL_FAILURE(a_.ReturnResult(2), "Unexpected mock function call"); -} - -TEST(SequenceTest, Retirement) { - MockA a; - Sequence s; - - EXPECT_CALL(a, DoA(1)) - .InSequence(s); - EXPECT_CALL(a, DoA(_)) - .InSequence(s) - .RetiresOnSaturation(); - EXPECT_CALL(a, DoA(1)) - .InSequence(s); - - a.DoA(1); - a.DoA(2); - a.DoA(1); -} - -// Tests Expectation. - -TEST(ExpectationTest, ConstrutorsWork) { - MockA a; - Expectation e1; // Default ctor. - - // Ctor from various forms of EXPECT_CALL. - Expectation e2 = EXPECT_CALL(a, DoA(2)); - Expectation e3 = EXPECT_CALL(a, DoA(3)).With(_); - { - Sequence s; - Expectation e4 = EXPECT_CALL(a, DoA(4)).Times(1); - Expectation e5 = EXPECT_CALL(a, DoA(5)).InSequence(s); - } - Expectation e6 = EXPECT_CALL(a, DoA(6)).After(e2); - Expectation e7 = EXPECT_CALL(a, DoA(7)).WillOnce(Return()); - Expectation e8 = EXPECT_CALL(a, DoA(8)).WillRepeatedly(Return()); - Expectation e9 = EXPECT_CALL(a, DoA(9)).RetiresOnSaturation(); - - Expectation e10 = e2; // Copy ctor. - - EXPECT_THAT(e1, Ne(e2)); - EXPECT_THAT(e2, Eq(e10)); - - a.DoA(2); - a.DoA(3); - a.DoA(4); - a.DoA(5); - a.DoA(6); - a.DoA(7); - a.DoA(8); - a.DoA(9); -} - -TEST(ExpectationTest, AssignmentWorks) { - MockA a; - Expectation e1; - Expectation e2 = EXPECT_CALL(a, DoA(1)); - - EXPECT_THAT(e1, Ne(e2)); - - e1 = e2; - EXPECT_THAT(e1, Eq(e2)); - - a.DoA(1); -} - -// Tests ExpectationSet. - -TEST(ExpectationSetTest, MemberTypesAreCorrect) { - ::testing::StaticAssertTypeEq<Expectation, ExpectationSet::value_type>(); -} - -TEST(ExpectationSetTest, ConstructorsWork) { - MockA a; - - Expectation e1; - const Expectation e2; - ExpectationSet es1; // Default ctor. - ExpectationSet es2 = EXPECT_CALL(a, DoA(1)); // Ctor from EXPECT_CALL. - ExpectationSet es3 = e1; // Ctor from Expectation. - ExpectationSet es4(e1); // Ctor from Expectation; alternative syntax. - ExpectationSet es5 = e2; // Ctor from const Expectation. - ExpectationSet es6(e2); // Ctor from const Expectation; alternative syntax. - ExpectationSet es7 = es2; // Copy ctor. - - EXPECT_EQ(0, es1.size()); - EXPECT_EQ(1, es2.size()); - EXPECT_EQ(1, es3.size()); - EXPECT_EQ(1, es4.size()); - EXPECT_EQ(1, es5.size()); - EXPECT_EQ(1, es6.size()); - EXPECT_EQ(1, es7.size()); - - EXPECT_THAT(es3, Ne(es2)); - EXPECT_THAT(es4, Eq(es3)); - EXPECT_THAT(es5, Eq(es4)); - EXPECT_THAT(es6, Eq(es5)); - EXPECT_THAT(es7, Eq(es2)); - a.DoA(1); -} - -TEST(ExpectationSetTest, AssignmentWorks) { - ExpectationSet es1; - ExpectationSet es2 = Expectation(); - - es1 = es2; - EXPECT_EQ(1, es1.size()); - EXPECT_THAT(*(es1.begin()), Eq(Expectation())); - EXPECT_THAT(es1, Eq(es2)); -} - -TEST(ExpectationSetTest, InsertionWorks) { - ExpectationSet es1; - Expectation e1; - es1 += e1; - EXPECT_EQ(1, es1.size()); - EXPECT_THAT(*(es1.begin()), Eq(e1)); - - MockA a; - Expectation e2 = EXPECT_CALL(a, DoA(1)); - es1 += e2; - EXPECT_EQ(2, es1.size()); - - ExpectationSet::const_iterator it1 = es1.begin(); - ExpectationSet::const_iterator it2 = it1; - ++it2; - EXPECT_TRUE(*it1 == e1 || *it2 == e1); // e1 must be in the set. - EXPECT_TRUE(*it1 == e2 || *it2 == e2); // e2 must be in the set too. - a.DoA(1); -} - -TEST(ExpectationSetTest, SizeWorks) { - ExpectationSet es; - EXPECT_EQ(0, es.size()); - - es += Expectation(); - EXPECT_EQ(1, es.size()); - - MockA a; - es += EXPECT_CALL(a, DoA(1)); - EXPECT_EQ(2, es.size()); - - a.DoA(1); -} - -TEST(ExpectationSetTest, IsEnumerable) { - ExpectationSet es; - EXPECT_TRUE(es.begin() == es.end()); - - es += Expectation(); - ExpectationSet::const_iterator it = es.begin(); - EXPECT_TRUE(it != es.end()); - EXPECT_THAT(*it, Eq(Expectation())); - ++it; - EXPECT_TRUE(it== es.end()); -} - -// Tests the .After() clause. - -TEST(AfterTest, SucceedsWhenPartialOrderIsSatisfied) { - MockA a; - ExpectationSet es; - es += EXPECT_CALL(a, DoA(1)); - es += EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(es); - - a.DoA(1); - a.DoA(2); - a.DoA(3); -} - -TEST(AfterTest, SucceedsWhenTotalOrderIsSatisfied) { - MockA a; - MockB b; - // The following also verifies that const Expectation objects work - // too. Do not remove the const modifiers. - const Expectation e1 = EXPECT_CALL(a, DoA(1)); - const Expectation e2 = EXPECT_CALL(b, DoB()) - .Times(2) - .After(e1); - EXPECT_CALL(a, DoA(2)).After(e2); - - a.DoA(1); - b.DoB(); - b.DoB(); - a.DoA(2); -} - -// Calls must be in strict order when specified so using .After(). -TEST(AfterTest, CallsMustBeInStrictOrderWhenSpecifiedSo1) { - MockA a; - MockB b; - - // Define ordering: - // a.DoA(1) ==> b.DoB() ==> a.DoA(2) - Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(b, DoB()) - .After(e1); - EXPECT_CALL(a, DoA(2)) - .After(e2); - - a.DoA(1); - - // May only be called after DoB(). - EXPECT_NONFATAL_FAILURE(a.DoA(2), "Unexpected mock function call"); - - b.DoB(); - a.DoA(2); -} - -// Calls must be in strict order when specified so using .After(). -TEST(AfterTest, CallsMustBeInStrictOrderWhenSpecifiedSo2) { - MockA a; - MockB b; - - // Define ordering: - // a.DoA(1) ==> b.DoB() * 2 ==> a.DoA(2) - Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(b, DoB()) - .Times(2) - .After(e1); - EXPECT_CALL(a, DoA(2)) - .After(e2); - - a.DoA(1); - b.DoB(); - - // May only be called after the second DoB(). - EXPECT_NONFATAL_FAILURE(a.DoA(2), "Unexpected mock function call"); - - b.DoB(); - a.DoA(2); -} - -// Calls must satisfy the partial order when specified so. -TEST(AfterTest, CallsMustSatisfyPartialOrderWhenSpecifiedSo) { - MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); - - // Define ordering: - // a.DoA(1) ==> - // a.DoA(2) ==> a.ReturnResult(3) - Expectation e = EXPECT_CALL(a, DoA(1)); - const ExpectationSet es = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, ReturnResult(3)) - .After(e, es); - - // May only be called last. - EXPECT_NONFATAL_FAILURE(a.ReturnResult(3), "Unexpected mock function call"); - - a.DoA(2); - a.DoA(1); - a.ReturnResult(3); -} - -// Calls must satisfy the partial order when specified so. -TEST(AfterTest, CallsMustSatisfyPartialOrderWhenSpecifiedSo2) { - MockA a; - - // Define ordering: - // a.DoA(1) ==> - // a.DoA(2) ==> a.DoA(3) - Expectation e = EXPECT_CALL(a, DoA(1)); - const ExpectationSet es = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(e, es); - - a.DoA(2); - - // May only be called last. - EXPECT_NONFATAL_FAILURE(a.DoA(3), "Unexpected mock function call"); - - a.DoA(1); - a.DoA(3); -} - -// .After() can be combined with .InSequence(). -TEST(AfterTest, CanBeUsedWithInSequence) { - MockA a; - Sequence s; - Expectation e = EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(2)).InSequence(s); - EXPECT_CALL(a, DoA(3)) - .InSequence(s) - .After(e); - - a.DoA(1); - - // May only be after DoA(2). - EXPECT_NONFATAL_FAILURE(a.DoA(3), "Unexpected mock function call"); - - a.DoA(2); - a.DoA(3); -} - -// .After() can be called multiple times. -TEST(AfterTest, CanBeCalledManyTimes) { - MockA a; - Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(a, DoA(2)); - Expectation e3 = EXPECT_CALL(a, DoA(3)); - EXPECT_CALL(a, DoA(4)) - .After(e1) - .After(e2) - .After(e3); - - a.DoA(3); - a.DoA(1); - a.DoA(2); - a.DoA(4); -} - -// .After() accepts up to 5 arguments. -TEST(AfterTest, AcceptsUpToFiveArguments) { - MockA a; - Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(a, DoA(2)); - Expectation e3 = EXPECT_CALL(a, DoA(3)); - ExpectationSet es1 = EXPECT_CALL(a, DoA(4)); - ExpectationSet es2 = EXPECT_CALL(a, DoA(5)); - EXPECT_CALL(a, DoA(6)) - .After(e1, e2, e3, es1, es2); - - a.DoA(5); - a.DoA(2); - a.DoA(4); - a.DoA(1); - a.DoA(3); - a.DoA(6); -} - -// .After() allows input to contain duplicated Expectations. -TEST(AfterTest, AcceptsDuplicatedInput) { - MockA a; - ON_CALL(a, ReturnResult(_)) - .WillByDefault(Return(Result())); - - // Define ordering: - // DoA(1) ==> - // DoA(2) ==> ReturnResult(3) - Expectation e1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(a, DoA(2)); - ExpectationSet es; - es += e1; - es += e2; - EXPECT_CALL(a, ReturnResult(3)) - .After(e1, e2, es, e1); - - a.DoA(1); - - // May only be after DoA(2). - EXPECT_NONFATAL_FAILURE(a.ReturnResult(3), "Unexpected mock function call"); - - a.DoA(2); - a.ReturnResult(3); -} - -// An Expectation added to an ExpectationSet after it has been used in -// an .After() has no effect. -TEST(AfterTest, ChangesToExpectationSetHaveNoEffectAfterwards) { - MockA a; - ExpectationSet es1 = EXPECT_CALL(a, DoA(1)); - Expectation e2 = EXPECT_CALL(a, DoA(2)); - EXPECT_CALL(a, DoA(3)) - .After(es1); - es1 += e2; - - a.DoA(1); - a.DoA(3); - a.DoA(2); -} - -// Tests that Google Mock correctly handles calls to mock functions -// after a mock object owning one of their pre-requisites has died. - -// Tests that calls that satisfy the original spec are successful. -TEST(DeletingMockEarlyTest, Success1) { - MockB* const b1 = new MockB; - MockA* const a = new MockA; - MockB* const b2 = new MockB; - - { - InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()) - .WillRepeatedly(Return(true)); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); - } - - EXPECT_EQ(1, b1->DoB(1)); - delete b1; - // a's pre-requisite has died. - EXPECT_TRUE(a->Binary(0, 1)); - delete b2; - // a's successor has died. - EXPECT_TRUE(a->Binary(1, 2)); - delete a; -} - -// Tests that calls that satisfy the original spec are successful. -TEST(DeletingMockEarlyTest, Success2) { - MockB* const b1 = new MockB; - MockA* const a = new MockA; - MockB* const b2 = new MockB; - - { - InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); - } - - delete a; // a is trivially satisfied. - EXPECT_EQ(1, b1->DoB(1)); - EXPECT_EQ(2, b2->DoB(2)); - delete b1; - delete b2; -} - -// Tests that it's OK to delete a mock object itself in its action. - -// Suppresses warning on unreferenced formal parameter in MSVC with -// -W4. -#ifdef _MSC_VER -# pragma warning(push) -# pragma warning(disable:4100) -#endif - -ACTION_P(Delete, ptr) { delete ptr; } - -#ifdef _MSC_VER -# pragma warning(pop) -#endif - -TEST(DeletingMockEarlyTest, CanDeleteSelfInActionReturningVoid) { - MockA* const a = new MockA; - EXPECT_CALL(*a, DoA(_)).WillOnce(Delete(a)); - a->DoA(42); // This will cause a to be deleted. -} - -TEST(DeletingMockEarlyTest, CanDeleteSelfInActionReturningValue) { - MockA* const a = new MockA; - EXPECT_CALL(*a, ReturnResult(_)) - .WillOnce(DoAll(Delete(a), Return(Result()))); - a->ReturnResult(42); // This will cause a to be deleted. -} - -// Tests that calls that violate the original spec yield failures. -TEST(DeletingMockEarlyTest, Failure1) { - MockB* const b1 = new MockB; - MockA* const a = new MockA; - MockB* const b2 = new MockB; - - { - InSequence dummy; - EXPECT_CALL(*b1, DoB(_)) - .WillOnce(Return(1)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()) - .WillRepeatedly(Return(2)); - } - - delete a; // a is trivially satisfied. - EXPECT_NONFATAL_FAILURE({ - b2->DoB(2); - }, "Unexpected mock function call"); - EXPECT_EQ(1, b1->DoB(1)); - delete b1; - delete b2; -} - -// Tests that calls that violate the original spec yield failures. -TEST(DeletingMockEarlyTest, Failure2) { - MockB* const b1 = new MockB; - MockA* const a = new MockA; - MockB* const b2 = new MockB; - - { - InSequence dummy; - EXPECT_CALL(*b1, DoB(_)); - EXPECT_CALL(*a, Binary(_, _)) - .Times(AnyNumber()); - EXPECT_CALL(*b2, DoB(_)) - .Times(AnyNumber()); - } - - EXPECT_NONFATAL_FAILURE(delete b1, - "Actual: never called"); - EXPECT_NONFATAL_FAILURE(a->Binary(0, 1), - "Unexpected mock function call"); - EXPECT_NONFATAL_FAILURE(b2->DoB(1), - "Unexpected mock function call"); - delete a; - delete b2; -} - -class EvenNumberCardinality : public CardinalityInterface { - public: - // Returns true iff call_count calls will satisfy this cardinality. - virtual bool IsSatisfiedByCallCount(int call_count) const { - return call_count % 2 == 0; - } - - // Returns true iff call_count calls will saturate this cardinality. - virtual bool IsSaturatedByCallCount(int /* call_count */) const { - return false; - } - - // Describes self to an ostream. - virtual void DescribeTo(::std::ostream* os) const { - *os << "called even number of times"; - } -}; - -Cardinality EvenNumber() { - return Cardinality(new EvenNumberCardinality); -} - -TEST(ExpectationBaseTest, - AllPrerequisitesAreSatisfiedWorksForNonMonotonicCardinality) { - MockA* a = new MockA; - Sequence s; - - EXPECT_CALL(*a, DoA(1)) - .Times(EvenNumber()) - .InSequence(s); - EXPECT_CALL(*a, DoA(2)) - .Times(AnyNumber()) - .InSequence(s); - EXPECT_CALL(*a, DoA(3)) - .Times(AnyNumber()); - - a->DoA(3); - a->DoA(1); - EXPECT_NONFATAL_FAILURE(a->DoA(2), "Unexpected mock function call"); - EXPECT_NONFATAL_FAILURE(delete a, "to be called even number of times"); -} - -// The following tests verify the message generated when a mock -// function is called. - -struct Printable { -}; - -inline void operator<<(::std::ostream& os, const Printable&) { - os << "Printable"; -} - -struct Unprintable { - Unprintable() : value(0) {} - int value; -}; - -class MockC { - public: - MockC() {} - - MOCK_METHOD6(VoidMethod, void(bool cond, int n, std::string s, void* p, - const Printable& x, Unprintable y)); - MOCK_METHOD0(NonVoidMethod, int()); // NOLINT - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(MockC); -}; - -class VerboseFlagPreservingFixture : public testing::Test { - protected: - VerboseFlagPreservingFixture() - : saved_verbose_flag_(GMOCK_FLAG(verbose)) {} - - ~VerboseFlagPreservingFixture() { GMOCK_FLAG(verbose) = saved_verbose_flag_; } - - private: - const std::string saved_verbose_flag_; - - GTEST_DISALLOW_COPY_AND_ASSIGN_(VerboseFlagPreservingFixture); -}; - -#if GTEST_HAS_STREAM_REDIRECTION - -// Tests that an uninteresting mock function call on a naggy mock -// generates a warning without the stack trace when -// --gmock_verbose=warning is specified. -TEST(FunctionCallMessageTest, - UninterestingCallOnNaggyMockGeneratesNoStackTraceWhenVerboseWarning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; - NaggyMock<MockC> c; - CaptureStdout(); - c.VoidMethod(false, 5, "Hi", NULL, Printable(), Unprintable()); - const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", output); - EXPECT_PRED_FORMAT2(IsNotSubstring, "Stack trace:", output); -} - -// Tests that an uninteresting mock function call on a naggy mock -// generates a warning containing the stack trace when -// --gmock_verbose=info is specified. -TEST(FunctionCallMessageTest, - UninterestingCallOnNaggyMockGeneratesFyiWithStackTraceWhenVerboseInfo) { - GMOCK_FLAG(verbose) = kInfoVerbosity; - NaggyMock<MockC> c; - CaptureStdout(); - c.VoidMethod(false, 5, "Hi", NULL, Printable(), Unprintable()); - const std::string output = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "GMOCK WARNING", output); - EXPECT_PRED_FORMAT2(IsSubstring, "Stack trace:", output); - -# ifndef NDEBUG - - // We check the stack trace content in dbg-mode only, as opt-mode - // may inline the call we are interested in seeing. - - // Verifies that a void mock function's name appears in the stack - // trace. - EXPECT_PRED_FORMAT2(IsSubstring, "VoidMethod(", output); - - // Verifies that a non-void mock function's name appears in the - // stack trace. - CaptureStdout(); - c.NonVoidMethod(); - const std::string output2 = GetCapturedStdout(); - EXPECT_PRED_FORMAT2(IsSubstring, "NonVoidMethod(", output2); - -# endif // NDEBUG -} - -// Tests that an uninteresting mock function call on a naggy mock -// causes the function arguments and return value to be printed. -TEST(FunctionCallMessageTest, - UninterestingCallOnNaggyMockPrintsArgumentsAndReturnValue) { - // A non-void mock function. - NaggyMock<MockB> b; - CaptureStdout(); - b.DoB(); - const std::string output1 = GetCapturedStdout(); - EXPECT_PRED_FORMAT2( - IsSubstring, - "Uninteresting mock function call - returning default value.\n" - " Function call: DoB()\n" - " Returns: 0\n", output1.c_str()); - // Makes sure the return value is printed. - - // A void mock function. - NaggyMock<MockC> c; - CaptureStdout(); - c.VoidMethod(false, 5, "Hi", NULL, Printable(), Unprintable()); - const std::string output2 = GetCapturedStdout(); - EXPECT_THAT(output2.c_str(), - ContainsRegex( - "Uninteresting mock function call - returning directly\\.\n" - " Function call: VoidMethod" - "\\(false, 5, \"Hi\", NULL, @.+ " - "Printable, 4-byte object <00-00 00-00>\\)")); - // A void function has no return value to print. -} - -// Tests how the --gmock_verbose flag affects Google Mock's output. - -class GMockVerboseFlagTest : public VerboseFlagPreservingFixture { - public: - // Verifies that the given Google Mock output is correct. (When - // should_print is true, the output should match the given regex and - // contain the given function name in the stack trace. When it's - // false, the output should be empty.) - void VerifyOutput(const std::string& output, bool should_print, - const std::string& expected_substring, - const std::string& function_name) { - if (should_print) { - EXPECT_THAT(output.c_str(), HasSubstr(expected_substring)); -# ifndef NDEBUG - // We check the stack trace content in dbg-mode only, as opt-mode - // may inline the call we are interested in seeing. - EXPECT_THAT(output.c_str(), HasSubstr(function_name)); -# else - // Suppresses 'unused function parameter' warnings. - static_cast<void>(function_name); -# endif // NDEBUG - } else { - EXPECT_STREQ("", output.c_str()); - } - } - - // Tests how the flag affects expected calls. - void TestExpectedCall(bool should_print) { - MockA a; - EXPECT_CALL(a, DoA(5)); - EXPECT_CALL(a, Binary(_, 1)) - .WillOnce(Return(true)); - - // A void-returning function. - CaptureStdout(); - a.DoA(5); - VerifyOutput( - GetCapturedStdout(), - should_print, - "Mock function call matches EXPECT_CALL(a, DoA(5))...\n" - " Function call: DoA(5)\n" - "Stack trace:\n", - "DoA"); - - // A non-void-returning function. - CaptureStdout(); - a.Binary(2, 1); - VerifyOutput( - GetCapturedStdout(), - should_print, - "Mock function call matches EXPECT_CALL(a, Binary(_, 1))...\n" - " Function call: Binary(2, 1)\n" - " Returns: true\n" - "Stack trace:\n", - "Binary"); - } - - // Tests how the flag affects uninteresting calls on a naggy mock. - void TestUninterestingCallOnNaggyMock(bool should_print) { - NaggyMock<MockA> a; - const std::string note = - "NOTE: You can safely ignore the above warning unless this " - "call should not happen. Do not suppress it by blindly adding " - "an EXPECT_CALL() if you don't mean to enforce the call. " - "See " - "https://github.com/google/googletest/blob/master/googlemock/docs/" - "CookBook.md#" - "knowing-when-to-expect for details."; - - // A void-returning function. - CaptureStdout(); - a.DoA(5); - VerifyOutput( - GetCapturedStdout(), - should_print, - "\nGMOCK WARNING:\n" - "Uninteresting mock function call - returning directly.\n" - " Function call: DoA(5)\n" + - note, - "DoA"); - - // A non-void-returning function. - CaptureStdout(); - a.Binary(2, 1); - VerifyOutput( - GetCapturedStdout(), - should_print, - "\nGMOCK WARNING:\n" - "Uninteresting mock function call - returning default value.\n" - " Function call: Binary(2, 1)\n" - " Returns: false\n" + - note, - "Binary"); - } -}; - -// Tests that --gmock_verbose=info causes both expected and -// uninteresting calls to be reported. -TEST_F(GMockVerboseFlagTest, Info) { - GMOCK_FLAG(verbose) = kInfoVerbosity; - TestExpectedCall(true); - TestUninterestingCallOnNaggyMock(true); -} - -// Tests that --gmock_verbose=warning causes uninteresting calls to be -// reported. -TEST_F(GMockVerboseFlagTest, Warning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; - TestExpectedCall(false); - TestUninterestingCallOnNaggyMock(true); -} - -// Tests that --gmock_verbose=warning causes neither expected nor -// uninteresting calls to be reported. -TEST_F(GMockVerboseFlagTest, Error) { - GMOCK_FLAG(verbose) = kErrorVerbosity; - TestExpectedCall(false); - TestUninterestingCallOnNaggyMock(false); -} - -// Tests that --gmock_verbose=SOME_INVALID_VALUE has the same effect -// as --gmock_verbose=warning. -TEST_F(GMockVerboseFlagTest, InvalidFlagIsTreatedAsWarning) { - GMOCK_FLAG(verbose) = "invalid"; // Treated as "warning". - TestExpectedCall(false); - TestUninterestingCallOnNaggyMock(true); -} - -#endif // GTEST_HAS_STREAM_REDIRECTION - -// A helper class that generates a failure when printed. We use it to -// ensure that Google Mock doesn't print a value (even to an internal -// buffer) when it is not supposed to do so. -class PrintMeNot {}; - -void PrintTo(PrintMeNot /* dummy */, ::std::ostream* /* os */) { - ADD_FAILURE() << "Google Mock is printing a value that shouldn't be " - << "printed even to an internal buffer."; -} - -class LogTestHelper { - public: - LogTestHelper() {} - - MOCK_METHOD1(Foo, PrintMeNot(PrintMeNot)); - - private: - GTEST_DISALLOW_COPY_AND_ASSIGN_(LogTestHelper); -}; - -class GMockLogTest : public VerboseFlagPreservingFixture { - protected: - LogTestHelper helper_; -}; - -TEST_F(GMockLogTest, DoesNotPrintGoodCallInternallyIfVerbosityIsWarning) { - GMOCK_FLAG(verbose) = kWarningVerbosity; - EXPECT_CALL(helper_, Foo(_)) - .WillOnce(Return(PrintMeNot())); - helper_.Foo(PrintMeNot()); // This is an expected call. -} - -TEST_F(GMockLogTest, DoesNotPrintGoodCallInternallyIfVerbosityIsError) { - GMOCK_FLAG(verbose) = kErrorVerbosity; - EXPECT_CALL(helper_, Foo(_)) - .WillOnce(Return(PrintMeNot())); - helper_.Foo(PrintMeNot()); // This is an expected call. -} - -TEST_F(GMockLogTest, DoesNotPrintWarningInternallyIfVerbosityIsError) { - GMOCK_FLAG(verbose) = kErrorVerbosity; - ON_CALL(helper_, Foo(_)) - .WillByDefault(Return(PrintMeNot())); - helper_.Foo(PrintMeNot()); // This should generate a warning. -} - -// Tests Mock::AllowLeak(). - -TEST(AllowLeakTest, AllowsLeakingUnusedMockObject) { - MockA* a = new MockA; - Mock::AllowLeak(a); -} - -TEST(AllowLeakTest, CanBeCalledBeforeOnCall) { - MockA* a = new MockA; - Mock::AllowLeak(a); - ON_CALL(*a, DoA(_)).WillByDefault(Return()); - a->DoA(0); -} - -TEST(AllowLeakTest, CanBeCalledAfterOnCall) { - MockA* a = new MockA; - ON_CALL(*a, DoA(_)).WillByDefault(Return()); - Mock::AllowLeak(a); -} - -TEST(AllowLeakTest, CanBeCalledBeforeExpectCall) { - MockA* a = new MockA; - Mock::AllowLeak(a); - EXPECT_CALL(*a, DoA(_)); - a->DoA(0); -} - -TEST(AllowLeakTest, CanBeCalledAfterExpectCall) { - MockA* a = new MockA; - EXPECT_CALL(*a, DoA(_)).Times(AnyNumber()); - Mock::AllowLeak(a); -} - -TEST(AllowLeakTest, WorksWhenBothOnCallAndExpectCallArePresent) { - MockA* a = new MockA; - ON_CALL(*a, DoA(_)).WillByDefault(Return()); - EXPECT_CALL(*a, DoA(_)).Times(AnyNumber()); - Mock::AllowLeak(a); -} - -// Tests that we can verify and clear a mock object's expectations -// when none of its methods has expectations. -TEST(VerifyAndClearExpectationsTest, NoMethodHasExpectations) { - MockB b; - ASSERT_TRUE(Mock::VerifyAndClearExpectations(&b)); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can verify and clear a mock object's expectations -// when some, but not all, of its methods have expectations *and* the -// verification succeeds. -TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndSucceed) { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); - b.DoB(); - ASSERT_TRUE(Mock::VerifyAndClearExpectations(&b)); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can verify and clear a mock object's expectations -// when some, but not all, of its methods have expectations *and* the -// verification fails. -TEST(VerifyAndClearExpectationsTest, SomeMethodsHaveExpectationsAndFail) { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); - bool result = true; - EXPECT_NONFATAL_FAILURE(result = Mock::VerifyAndClearExpectations(&b), - "Actual: never called"); - ASSERT_FALSE(result); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can verify and clear a mock object's expectations -// when all of its methods have expectations. -TEST(VerifyAndClearExpectationsTest, AllMethodsHaveExpectations) { - MockB b; - EXPECT_CALL(b, DoB()) - .WillOnce(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); - b.DoB(); - b.DoB(1); - ASSERT_TRUE(Mock::VerifyAndClearExpectations(&b)); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can verify and clear a mock object's expectations -// when a method has more than one expectation. -TEST(VerifyAndClearExpectationsTest, AMethodHasManyExpectations) { - MockB b; - EXPECT_CALL(b, DoB(0)) - .WillOnce(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); - b.DoB(1); - bool result = true; - EXPECT_NONFATAL_FAILURE(result = Mock::VerifyAndClearExpectations(&b), - "Actual: never called"); - ASSERT_FALSE(result); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can call VerifyAndClearExpectations() on the same -// mock object multiple times. -TEST(VerifyAndClearExpectationsTest, CanCallManyTimes) { - MockB b; - EXPECT_CALL(b, DoB()); - b.DoB(); - Mock::VerifyAndClearExpectations(&b); - - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(1)); - b.DoB(1); - Mock::VerifyAndClearExpectations(&b); - Mock::VerifyAndClearExpectations(&b); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can clear a mock object's default actions when none -// of its methods has default actions. -TEST(VerifyAndClearTest, NoMethodHasDefaultActions) { - MockB b; - // If this crashes or generates a failure, the test will catch it. - Mock::VerifyAndClear(&b); - EXPECT_EQ(0, b.DoB()); -} - -// Tests that we can clear a mock object's default actions when some, -// but not all of its methods have default actions. -TEST(VerifyAndClearTest, SomeMethodsHaveDefaultActions) { - MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - - Mock::VerifyAndClear(&b); - - // Verifies that the default action of int DoB() was removed. - EXPECT_EQ(0, b.DoB()); -} - -// Tests that we can clear a mock object's default actions when all of -// its methods have default actions. -TEST(VerifyAndClearTest, AllMethodsHaveDefaultActions) { - MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(2)); - - Mock::VerifyAndClear(&b); - - // Verifies that the default action of int DoB() was removed. - EXPECT_EQ(0, b.DoB()); - - // Verifies that the default action of int DoB(int) was removed. - EXPECT_EQ(0, b.DoB(0)); -} - -// Tests that we can clear a mock object's default actions when a -// method has more than one ON_CALL() set on it. -TEST(VerifyAndClearTest, AMethodHasManyDefaultActions) { - MockB b; - ON_CALL(b, DoB(0)) - .WillByDefault(Return(1)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(2)); - - Mock::VerifyAndClear(&b); - - // Verifies that the default actions (there are two) of int DoB(int) - // were removed. - EXPECT_EQ(0, b.DoB(0)); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can call VerifyAndClear() on a mock object multiple -// times. -TEST(VerifyAndClearTest, CanCallManyTimes) { - MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - Mock::VerifyAndClear(&b); - Mock::VerifyAndClear(&b); - - ON_CALL(b, DoB(_)) - .WillByDefault(Return(1)); - Mock::VerifyAndClear(&b); - - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that VerifyAndClear() works when the verification succeeds. -TEST(VerifyAndClearTest, Success) { - MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(1)) - .WillOnce(Return(2)); - - b.DoB(); - b.DoB(1); - ASSERT_TRUE(Mock::VerifyAndClear(&b)); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that VerifyAndClear() works when the verification fails. -TEST(VerifyAndClearTest, Failure) { - MockB b; - ON_CALL(b, DoB(_)) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB()) - .WillOnce(Return(2)); - - b.DoB(1); - bool result = true; - EXPECT_NONFATAL_FAILURE(result = Mock::VerifyAndClear(&b), - "Actual: never called"); - ASSERT_FALSE(result); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that VerifyAndClear() works when the default actions and -// expectations are set on a const mock object. -TEST(VerifyAndClearTest, Const) { - MockB b; - ON_CALL(Const(b), DoB()) - .WillByDefault(Return(1)); - - EXPECT_CALL(Const(b), DoB()) - .WillOnce(DoDefault()) - .WillOnce(Return(2)); - - b.DoB(); - b.DoB(); - ASSERT_TRUE(Mock::VerifyAndClear(&b)); - - // There should be no expectations on the methods now, so we can - // freely call them. - EXPECT_EQ(0, b.DoB()); - EXPECT_EQ(0, b.DoB(1)); -} - -// Tests that we can set default actions and expectations on a mock -// object after VerifyAndClear() has been called on it. -TEST(VerifyAndClearTest, CanSetDefaultActionsAndExpectationsAfterwards) { - MockB b; - ON_CALL(b, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b, DoB(_)) - .WillOnce(Return(2)); - b.DoB(1); - - Mock::VerifyAndClear(&b); - - EXPECT_CALL(b, DoB()) - .WillOnce(Return(3)); - ON_CALL(b, DoB(_)) - .WillByDefault(Return(4)); - - EXPECT_EQ(3, b.DoB()); - EXPECT_EQ(4, b.DoB(1)); -} - -// Tests that calling VerifyAndClear() on one mock object does not -// affect other mock objects (either of the same type or not). -TEST(VerifyAndClearTest, DoesNotAffectOtherMockObjects) { - MockA a; - MockB b1; - MockB b2; - - ON_CALL(a, Binary(_, _)) - .WillByDefault(Return(true)); - EXPECT_CALL(a, Binary(_, _)) - .WillOnce(DoDefault()) - .WillOnce(Return(false)); - - ON_CALL(b1, DoB()) - .WillByDefault(Return(1)); - EXPECT_CALL(b1, DoB(_)) - .WillOnce(Return(2)); - - ON_CALL(b2, DoB()) - .WillByDefault(Return(3)); - EXPECT_CALL(b2, DoB(_)); - - b2.DoB(0); - Mock::VerifyAndClear(&b2); - - // Verifies that the default actions and expectations of a and b1 - // are still in effect. - EXPECT_TRUE(a.Binary(0, 0)); - EXPECT_FALSE(a.Binary(0, 0)); - - EXPECT_EQ(1, b1.DoB()); - EXPECT_EQ(2, b1.DoB(0)); -} - -TEST(VerifyAndClearTest, - DestroyingChainedMocksDoesNotDeadlockThroughExpectations) { - linked_ptr<MockA> a(new MockA); - ReferenceHoldingMock test_mock; - - // EXPECT_CALL stores a reference to a inside test_mock. - EXPECT_CALL(test_mock, AcceptReference(_)) - .WillRepeatedly(SetArgPointee<0>(a)); - - // Throw away the reference to the mock that we have in a. After this, the - // only reference to it is stored by test_mock. - a.reset(); - - // When test_mock goes out of scope, it destroys the last remaining reference - // to the mock object originally pointed to by a. This will cause the MockA - // destructor to be called from inside the ReferenceHoldingMock destructor. - // The state of all mocks is protected by a single global lock, but there - // should be no deadlock. -} - -TEST(VerifyAndClearTest, - DestroyingChainedMocksDoesNotDeadlockThroughDefaultAction) { - linked_ptr<MockA> a(new MockA); - ReferenceHoldingMock test_mock; - - // ON_CALL stores a reference to a inside test_mock. - ON_CALL(test_mock, AcceptReference(_)) - .WillByDefault(SetArgPointee<0>(a)); - - // Throw away the reference to the mock that we have in a. After this, the - // only reference to it is stored by test_mock. - a.reset(); - - // When test_mock goes out of scope, it destroys the last remaining reference - // to the mock object originally pointed to by a. This will cause the MockA - // destructor to be called from inside the ReferenceHoldingMock destructor. - // The state of all mocks is protected by a single global lock, but there - // should be no deadlock. -} - -// Tests that a mock function's action can call a mock function -// (either the same function or a different one) either as an explicit -// action or as a default action without causing a dead lock. It -// verifies that the action is not performed inside the critical -// section. -TEST(SynchronizationTest, CanCallMockMethodInAction) { - MockA a; - MockC c; - ON_CALL(a, DoA(_)) - .WillByDefault(IgnoreResult(InvokeWithoutArgs(&c, - &MockC::NonVoidMethod))); - EXPECT_CALL(a, DoA(1)); - EXPECT_CALL(a, DoA(1)) - .WillOnce(Invoke(&a, &MockA::DoA)) - .RetiresOnSaturation(); - EXPECT_CALL(c, NonVoidMethod()); - - a.DoA(1); - // This will match the second EXPECT_CALL() and trigger another a.DoA(1), - // which will in turn match the first EXPECT_CALL() and trigger a call to - // c.NonVoidMethod() that was specified by the ON_CALL() since the first - // 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 -// from it. This might be necessary on some platforms which require -// specific setup and teardown. -#if GMOCK_RENAME_MAIN -int gmock_main(int argc, char **argv) { -#else -int main(int argc, char **argv) { -#endif // GMOCK_RENAME_MAIN - testing::InitGoogleMock(&argc, argv); - // Ensures that the tests pass no matter what value of - // --gmock_catch_leaked_mocks and --gmock_verbose the user specifies. - testing::GMOCK_FLAG(catch_leaked_mocks) = true; - testing::GMOCK_FLAG(verbose) = testing::internal::kWarningVerbosity; - - return RUN_ALL_TESTS(); -} |