/Unittests/googletest/test/gtest-typed-test_test.cc
http://unladen-swallow.googlecode.com/ · C++ · 360 lines · 175 code · 82 blank · 103 comment · 3 complexity · 9dbd84a837b777b7ca0852dcb1c42a69 MD5 · raw file
- // 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 <set>
- #include <vector>
- #include "test/gtest-typed-test_test.h"
- #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);
- } // namespace library2
- #endif // GTEST_HAS_TYPED_TEST_P
- #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P)
- // Google Test doesn't support type-parameterized tests on some platforms
- // and compilers, such as MSVC 7.1. 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)