| // Copyright 2008 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) |
| |
| #include "test/gtest-typed-test_test.h" |
| |
| #include <set> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| |
| using testing::Test; |
| |
| // Used for testing that SetUpTestCase()/TearDownTestCase(), fixture |
| // ctor/dtor, and SetUp()/TearDown() work correctly in typed tests and |
| // type-parameterized test. |
| template <typename T> |
| class CommonTest : public Test { |
| // For some technical reason, SetUpTestCase() and TearDownTestCase() |
| // must be public. |
| public: |
| static void SetUpTestCase() { |
| shared_ = new T(5); |
| } |
| |
| static void TearDownTestCase() { |
| delete shared_; |
| shared_ = NULL; |
| } |
| |
| // This 'protected:' is optional. There's no harm in making all |
| // members of this fixture class template public. |
| protected: |
| // We used to use std::list here, but switched to std::vector since |
| // MSVC's <list> doesn't compile cleanly with /W4. |
| typedef std::vector<T> Vector; |
| typedef std::set<int> IntSet; |
| |
| CommonTest() : value_(1) {} |
| |
| virtual ~CommonTest() { EXPECT_EQ(3, value_); } |
| |
| virtual void SetUp() { |
| EXPECT_EQ(1, value_); |
| value_++; |
| } |
| |
| virtual void TearDown() { |
| EXPECT_EQ(2, value_); |
| value_++; |
| } |
| |
| T value_; |
| static T* shared_; |
| }; |
| |
| template <typename T> |
| T* CommonTest<T>::shared_ = NULL; |
| |
| // This #ifdef block tests typed tests. |
| #if GTEST_HAS_TYPED_TEST |
| |
| using testing::Types; |
| |
| // Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor, |
| // and SetUp()/TearDown() work correctly in typed tests |
| |
| typedef Types<char, int> TwoTypes; |
| TYPED_TEST_CASE(CommonTest, TwoTypes); |
| |
| TYPED_TEST(CommonTest, ValuesAreCorrect) { |
| // Static members of the fixture class template can be visited via |
| // the TestFixture:: prefix. |
| EXPECT_EQ(5, *TestFixture::shared_); |
| |
| // Typedefs in the fixture class template can be visited via the |
| // "typename TestFixture::" prefix. |
| typename TestFixture::Vector empty; |
| EXPECT_EQ(0U, empty.size()); |
| |
| typename TestFixture::IntSet empty2; |
| EXPECT_EQ(0U, empty2.size()); |
| |
| // Non-static members of the fixture class must be visited via |
| // 'this', as required by C++ for class templates. |
| EXPECT_EQ(2, this->value_); |
| } |
| |
| // The second test makes sure shared_ is not deleted after the first |
| // test. |
| TYPED_TEST(CommonTest, ValuesAreStillCorrect) { |
| // Static members of the fixture class template can also be visited |
| // via 'this'. |
| ASSERT_TRUE(this->shared_ != NULL); |
| EXPECT_EQ(5, *this->shared_); |
| |
| // TypeParam can be used to refer to the type parameter. |
| EXPECT_EQ(static_cast<TypeParam>(2), this->value_); |
| } |
| |
| // Tests that multiple TYPED_TEST_CASE's can be defined in the same |
| // translation unit. |
| |
| template <typename T> |
| class TypedTest1 : public Test { |
| }; |
| |
| // Verifies that the second argument of TYPED_TEST_CASE can be a |
| // single type. |
| TYPED_TEST_CASE(TypedTest1, int); |
| TYPED_TEST(TypedTest1, A) {} |
| |
| template <typename T> |
| class TypedTest2 : public Test { |
| }; |
| |
| // Verifies that the second argument of TYPED_TEST_CASE can be a |
| // Types<...> type list. |
| TYPED_TEST_CASE(TypedTest2, Types<int>); |
| |
| // This also verifies that tests from different typed test cases can |
| // share the same name. |
| TYPED_TEST(TypedTest2, A) {} |
| |
| // Tests that a typed test case can be defined in a namespace. |
| |
| namespace library1 { |
| |
| template <typename T> |
| class NumericTest : public Test { |
| }; |
| |
| typedef Types<int, long> NumericTypes; |
| TYPED_TEST_CASE(NumericTest, NumericTypes); |
| |
| TYPED_TEST(NumericTest, DefaultIsZero) { |
| EXPECT_EQ(0, TypeParam()); |
| } |
| |
| } // namespace library1 |
| |
| #endif // GTEST_HAS_TYPED_TEST |
| |
| // This #ifdef block tests type-parameterized tests. |
| #if GTEST_HAS_TYPED_TEST_P |
| |
| using testing::Types; |
| using testing::internal::TypedTestCasePState; |
| |
| // Tests TypedTestCasePState. |
| |
| class TypedTestCasePStateTest : public Test { |
| protected: |
| virtual void SetUp() { |
| state_.AddTestName("foo.cc", 0, "FooTest", "A"); |
| state_.AddTestName("foo.cc", 0, "FooTest", "B"); |
| state_.AddTestName("foo.cc", 0, "FooTest", "C"); |
| } |
| |
| TypedTestCasePState state_; |
| }; |
| |
| TEST_F(TypedTestCasePStateTest, SucceedsForMatchingList) { |
| const char* tests = "A, B, C"; |
| EXPECT_EQ(tests, |
| state_.VerifyRegisteredTestNames("foo.cc", 1, tests)); |
| } |
| |
| // Makes sure that the order of the tests and spaces around the names |
| // don't matter. |
| TEST_F(TypedTestCasePStateTest, IgnoresOrderAndSpaces) { |
| const char* tests = "A,C, B"; |
| EXPECT_EQ(tests, |
| state_.VerifyRegisteredTestNames("foo.cc", 1, tests)); |
| } |
| |
| typedef TypedTestCasePStateTest TypedTestCasePStateDeathTest; |
| |
| TEST_F(TypedTestCasePStateDeathTest, DetectsDuplicates) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, A, C"), |
| "foo\\.cc.1.?: Test A is listed more than once\\."); |
| } |
| |
| TEST_F(TypedTestCasePStateDeathTest, DetectsExtraTest) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C, D"), |
| "foo\\.cc.1.?: No test named D can be found in this test case\\."); |
| } |
| |
| TEST_F(TypedTestCasePStateDeathTest, DetectsMissedTest) { |
| EXPECT_DEATH_IF_SUPPORTED( |
| state_.VerifyRegisteredTestNames("foo.cc", 1, "A, C"), |
| "foo\\.cc.1.?: You forgot to list test B\\."); |
| } |
| |
| // Tests that defining a test for a parameterized test case generates |
| // a run-time error if the test case has been registered. |
| TEST_F(TypedTestCasePStateDeathTest, DetectsTestAfterRegistration) { |
| state_.VerifyRegisteredTestNames("foo.cc", 1, "A, B, C"); |
| EXPECT_DEATH_IF_SUPPORTED( |
| state_.AddTestName("foo.cc", 2, "FooTest", "D"), |
| "foo\\.cc.2.?: Test D must be defined before REGISTER_TYPED_TEST_CASE_P" |
| "\\(FooTest, \\.\\.\\.\\)\\."); |
| } |
| |
| // Tests that SetUpTestCase()/TearDownTestCase(), fixture ctor/dtor, |
| // and SetUp()/TearDown() work correctly in type-parameterized tests. |
| |
| template <typename T> |
| class DerivedTest : public CommonTest<T> { |
| }; |
| |
| TYPED_TEST_CASE_P(DerivedTest); |
| |
| TYPED_TEST_P(DerivedTest, ValuesAreCorrect) { |
| // Static members of the fixture class template can be visited via |
| // the TestFixture:: prefix. |
| EXPECT_EQ(5, *TestFixture::shared_); |
| |
| // Non-static members of the fixture class must be visited via |
| // 'this', as required by C++ for class templates. |
| EXPECT_EQ(2, this->value_); |
| } |
| |
| // The second test makes sure shared_ is not deleted after the first |
| // test. |
| TYPED_TEST_P(DerivedTest, ValuesAreStillCorrect) { |
| // Static members of the fixture class template can also be visited |
| // via 'this'. |
| ASSERT_TRUE(this->shared_ != NULL); |
| EXPECT_EQ(5, *this->shared_); |
| EXPECT_EQ(2, this->value_); |
| } |
| |
| REGISTER_TYPED_TEST_CASE_P(DerivedTest, |
| ValuesAreCorrect, ValuesAreStillCorrect); |
| |
| typedef Types<short, long> MyTwoTypes; |
| INSTANTIATE_TYPED_TEST_CASE_P(My, DerivedTest, MyTwoTypes); |
| |
| // Tests that multiple TYPED_TEST_CASE_P's can be defined in the same |
| // translation unit. |
| |
| template <typename T> |
| class TypedTestP1 : public Test { |
| }; |
| |
| TYPED_TEST_CASE_P(TypedTestP1); |
| |
| // For testing that the code between TYPED_TEST_CASE_P() and |
| // TYPED_TEST_P() is not enclosed in a namespace. |
| typedef int IntAfterTypedTestCaseP; |
| |
| TYPED_TEST_P(TypedTestP1, A) {} |
| TYPED_TEST_P(TypedTestP1, B) {} |
| |
| // For testing that the code between TYPED_TEST_P() and |
| // REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace. |
| typedef int IntBeforeRegisterTypedTestCaseP; |
| |
| REGISTER_TYPED_TEST_CASE_P(TypedTestP1, A, B); |
| |
| template <typename T> |
| class TypedTestP2 : public Test { |
| }; |
| |
| TYPED_TEST_CASE_P(TypedTestP2); |
| |
| // This also verifies that tests from different type-parameterized |
| // test cases can share the same name. |
| TYPED_TEST_P(TypedTestP2, A) {} |
| |
| REGISTER_TYPED_TEST_CASE_P(TypedTestP2, A); |
| |
| // Verifies that the code between TYPED_TEST_CASE_P() and |
| // REGISTER_TYPED_TEST_CASE_P() is not enclosed in a namespace. |
| IntAfterTypedTestCaseP after = 0; |
| IntBeforeRegisterTypedTestCaseP before = 0; |
| |
| // Verifies that the last argument of INSTANTIATE_TYPED_TEST_CASE_P() |
| // can be either a single type or a Types<...> type list. |
| INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP1, int); |
| INSTANTIATE_TYPED_TEST_CASE_P(Int, TypedTestP2, Types<int>); |
| |
| // Tests that the same type-parameterized test case can be |
| // instantiated more than once in the same translation unit. |
| INSTANTIATE_TYPED_TEST_CASE_P(Double, TypedTestP2, Types<double>); |
| |
| // Tests that the same type-parameterized test case can be |
| // instantiated in different translation units linked together. |
| // (ContainerTest is also instantiated in gtest-typed-test_test.cc.) |
| typedef Types<std::vector<double>, std::set<char> > MyContainers; |
| INSTANTIATE_TYPED_TEST_CASE_P(My, ContainerTest, MyContainers); |
| |
| // Tests that a type-parameterized test case can be defined and |
| // instantiated in a namespace. |
| |
| namespace library2 { |
| |
| template <typename T> |
| class NumericTest : public Test { |
| }; |
| |
| TYPED_TEST_CASE_P(NumericTest); |
| |
| TYPED_TEST_P(NumericTest, DefaultIsZero) { |
| EXPECT_EQ(0, TypeParam()); |
| } |
| |
| TYPED_TEST_P(NumericTest, ZeroIsLessThanOne) { |
| EXPECT_LT(TypeParam(0), TypeParam(1)); |
| } |
| |
| REGISTER_TYPED_TEST_CASE_P(NumericTest, |
| DefaultIsZero, ZeroIsLessThanOne); |
| typedef Types<int, double> NumericTypes; |
| INSTANTIATE_TYPED_TEST_CASE_P(My, NumericTest, NumericTypes); |
| |
| static const char* GetTestName() { |
| return testing::UnitTest::GetInstance()->current_test_info()->name(); |
| } |
| // Test the stripping of space from test names |
| template <typename T> class TrimmedTest : public Test { }; |
| TYPED_TEST_CASE_P(TrimmedTest); |
| TYPED_TEST_P(TrimmedTest, Test1) { EXPECT_STREQ("Test1", GetTestName()); } |
| TYPED_TEST_P(TrimmedTest, Test2) { EXPECT_STREQ("Test2", GetTestName()); } |
| TYPED_TEST_P(TrimmedTest, Test3) { EXPECT_STREQ("Test3", GetTestName()); } |
| TYPED_TEST_P(TrimmedTest, Test4) { EXPECT_STREQ("Test4", GetTestName()); } |
| TYPED_TEST_P(TrimmedTest, Test5) { EXPECT_STREQ("Test5", GetTestName()); } |
| REGISTER_TYPED_TEST_CASE_P( |
| TrimmedTest, |
| Test1, Test2,Test3 , Test4 ,Test5 ); // NOLINT |
| template <typename T1, typename T2> struct MyPair {}; |
| // Be sure to try a type with a comma in its name just in case it matters. |
| typedef Types<int, double, MyPair<int, int> > TrimTypes; |
| INSTANTIATE_TYPED_TEST_CASE_P(My, TrimmedTest, TrimTypes); |
| |
| } // namespace library2 |
| |
| #endif // GTEST_HAS_TYPED_TEST_P |
| |
| #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P) |
| |
| // Google Test may not support type-parameterized tests with some |
| // compilers. If we use conditional compilation to compile out all |
| // code referring to the gtest_main library, MSVC linker will not link |
| // that library at all and consequently complain about missing entry |
| // point defined in that library (fatal error LNK1561: entry point |
| // must be defined). This dummy test keeps gtest_main linked in. |
| TEST(DummyTest, TypedTestsAreNotSupportedOnThisPlatform) {} |
| |
| #endif // #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P) |