text: // 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.
  
  
  #include "test/gtest-typed-test_test.h"
  
  #include <set>
  #include <vector>
  
  #include "gtest/gtest.h"
  
  #if _MSC_VER
  GTEST_DISABLE_MSC_WARNINGS_PUSH_(4127 /* conditional expression is constant */)
  #endif  //  _MSC_VER
  
  using testing::Test;
  
  // Used for testing that SetUpTestSuite()/TearDownTestSuite(), 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, SetUpTestSuite() and TearDownTestSuite()
      // must be public.
  public:
      static void SetUpTestSuite() {
          shared_ = new T(5);
      }
  
      static void TearDownTestSuite() {
          delete shared_;
          shared_ = nullptr;
      }
  
      // 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) {}
  
      ~CommonTest() override { EXPECT_EQ(3, value_); }
  
      void SetUp() override {
          EXPECT_EQ(1, value_);
          value_++;
      }
  
      void TearDown() override {
          EXPECT_EQ(2, value_);
          value_++;
      }
  
      T value_;
      static T *shared_;
  };
  
  template<typename T>
  T *CommonTest<T>::shared_ = nullptr;
  
  // This #ifdef block tests typed tests.
  #if GTEST_HAS_TYPED_TEST
  
  using testing::Types;
  
  // ChessLogicTests that SetUpTestSuite()/TearDownTestSuite(), fixture ctor/dtor,
  // and SetUp()/TearDown() work correctly in typed tests
  
  typedef Types<char, int> TwoTypes;
  TYPED_TEST_SUITE(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_ != nullptr);
    EXPECT_EQ(5, *this->shared_);
  
    // TypeParam can be used to refer to the type parameter.
    EXPECT_EQ(static_cast<TypeParam>(2), this->value_);
  }
  
  // ChessLogicTests that multiple TYPED_TEST_SUITE's can be defined in the same
  // translation unit.
  
  template <typename T>
  class TypedTest1 : public Test {
  };
  
  // Verifies that the second argument of TYPED_TEST_SUITE can be a
  // single type.
  TYPED_TEST_SUITE(TypedTest1, int);
  TYPED_TEST(TypedTest1, A) {}
  
  template <typename T>
  class TypedTest2 : public Test {
  };
  
  // Verifies that the second argument of TYPED_TEST_SUITE can be a
  // Types<...> type list.
  TYPED_TEST_SUITE(TypedTest2, Types<int>);
  
  // This also verifies that tests from different typed test cases can
  // share the same name.
  TYPED_TEST(TypedTest2, A) {}
  
  // ChessLogicTests 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_SUITE(NumericTest, NumericTypes);
  
  TYPED_TEST(NumericTest, DefaultIsZero) {
    EXPECT_EQ(0, TypeParam());
  }
  
  }  // namespace library1
  
  // ChessLogicTests that custom names work.
  template <typename T>
  class TypedTestWithNames : public Test {};
  
  class TypedTestNames {
   public:
    template <typename T>
    static std::string GetName(int i) {
      if (testing::internal::IsSame<T, char>::value) {
        return std::string("char") + ::testing::PrintToString(i);
      }
      if (testing::internal::IsSame<T, int>::value) {
        return std::string("int") + ::testing::PrintToString(i);
      }
    }
  };
  
  TYPED_TEST_SUITE(TypedTestWithNames, TwoTypes, TypedTestNames);
  
  TYPED_TEST(TypedTestWithNames, TestSuiteName) {
    if (testing::internal::IsSame<TypeParam, char>::value) {
      EXPECT_STREQ(::testing::UnitTest::GetInstance()
                       ->current_test_info()
                       ->test_case_name(),
                   "TypedTestWithNames/char0");
    }
    if (testing::internal::IsSame<TypeParam, int>::value) {
      EXPECT_STREQ(::testing::UnitTest::GetInstance()
                       ->current_test_info()
                       ->test_case_name(),
                   "TypedTestWithNames/int1");
    }
  }
  
  #endif  // GTEST_HAS_TYPED_TEST
  
  // This #ifdef block tests type-parameterized tests.
  #if GTEST_HAS_TYPED_TEST_P
  
  using testing::Types;
  using testing::internal::TypedTestSuitePState;
  
  // ChessLogicTests TypedTestSuitePState.
  
  class TypedTestSuitePStateTest : public Test {
   protected:
    void SetUp() override {
      state_.AddTestName("foo.cc", 0, "FooTest", "A");
      state_.AddTestName("foo.cc", 0, "FooTest", "B");
      state_.AddTestName("foo.cc", 0, "FooTest", "C");
    }
  
    TypedTestSuitePState state_;
  };
  
  TEST_F(TypedTestSuitePStateTest, 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(TypedTestSuitePStateTest, IgnoresOrderAndSpaces) {
    const char* tests = "A,C,   B";
    EXPECT_EQ(tests,
              state_.VerifyRegisteredTestNames("foo.cc", 1, tests));
  }
  
  using TypedTestSuitePStateDeathTest = TypedTestSuitePStateTest;
  
  TEST_F(TypedTestSuitePStateDeathTest, 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(TypedTestSuitePStateDeathTest, 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 suite\\.");
  }
  
  TEST_F(TypedTestSuitePStateDeathTest, DetectsMissedTest) {
    EXPECT_DEATH_IF_SUPPORTED(
        state_.VerifyRegisteredTestNames("foo.cc", 1, "A, C"),
        "foo\\.cc.1.?: You forgot to list test B\\.");
  }
  
  // ChessLogicTests that defining a test for a parameterized test case generates
  // a run-time error if the test case has been registered.
  TEST_F(TypedTestSuitePStateDeathTest, 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_SUITE_P"
        "\\(FooTest, \\.\\.\\.\\)\\.");
  }
  
  // ChessLogicTests that SetUpTestSuite()/TearDownTestSuite(), fixture ctor/dtor,
  // and SetUp()/TearDown() work correctly in type-parameterized tests.
  
  template <typename T>
  class DerivedTest : public CommonTest<T> {
  };
  
  TYPED_TEST_SUITE_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_ != nullptr);
    EXPECT_EQ(5, *this->shared_);
    EXPECT_EQ(2, this->value_);
  }
  
  REGISTER_TYPED_TEST_SUITE_P(DerivedTest,
                             ValuesAreCorrect, ValuesAreStillCorrect);
  
  typedef Types<short, long> MyTwoTypes;
  INSTANTIATE_TYPED_TEST_SUITE_P(My, DerivedTest, MyTwoTypes);
  
  // ChessLogicTests that custom names work with type parametrized tests. We reuse the
  // TwoTypes from above here.
  template <typename T>
  class TypeParametrizedTestWithNames : public Test {};
  
  TYPED_TEST_SUITE_P(TypeParametrizedTestWithNames);
  
  TYPED_TEST_P(TypeParametrizedTestWithNames, TestSuiteName) {
    if (testing::internal::IsSame<TypeParam, char>::value) {
      EXPECT_STREQ(::testing::UnitTest::GetInstance()
                       ->current_test_info()
                       ->test_case_name(),
                   "CustomName/TypeParametrizedTestWithNames/parChar0");
    }
    if (testing::internal::IsSame<TypeParam, int>::value) {
      EXPECT_STREQ(::testing::UnitTest::GetInstance()
                       ->current_test_info()
                       ->test_case_name(),
                   "CustomName/TypeParametrizedTestWithNames/parInt1");
    }
  }
  
  REGISTER_TYPED_TEST_SUITE_P(TypeParametrizedTestWithNames, TestSuiteName);
  
  class TypeParametrizedTestNames {
   public:
    template <typename T>
    static std::string GetName(int i) {
      if (testing::internal::IsSame<T, char>::value) {
        return std::string("parChar") + ::testing::PrintToString(i);
      }
      if (testing::internal::IsSame<T, int>::value) {
        return std::string("parInt") + ::testing::PrintToString(i);
      }
    }
  };
  
  INSTANTIATE_TYPED_TEST_SUITE_P(CustomName, TypeParametrizedTestWithNames,
                                TwoTypes, TypeParametrizedTestNames);
  
  // ChessLogicTests that multiple TYPED_TEST_SUITE_P's can be defined in the same
  // translation unit.
  
  template <typename T>
  class TypedTestP1 : public Test {
  };
  
  TYPED_TEST_SUITE_P(TypedTestP1);
  
  // For testing that the code between TYPED_TEST_SUITE_P() and
  // TYPED_TEST_P() is not enclosed in a namespace.
  using IntAfterTypedTestSuiteP = int;
  
  TYPED_TEST_P(TypedTestP1, A) {}
  TYPED_TEST_P(TypedTestP1, B) {}
  
  // For testing that the code between TYPED_TEST_P() and
  // REGISTER_TYPED_TEST_SUITE_P() is not enclosed in a namespace.
  using IntBeforeRegisterTypedTestSuiteP = int;
  
  REGISTER_TYPED_TEST_SUITE_P(TypedTestP1, A, B);
  
  template <typename T>
  class TypedTestP2 : public Test {
  };
  
  TYPED_TEST_SUITE_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_SUITE_P(TypedTestP2, A);
  
  // Verifies that the code between TYPED_TEST_SUITE_P() and
  // REGISTER_TYPED_TEST_SUITE_P() is not enclosed in a namespace.
  IntAfterTypedTestSuiteP after = 0;
  IntBeforeRegisterTypedTestSuiteP before = 0;
  
  // Verifies that the last argument of INSTANTIATE_TYPED_TEST_SUITE_P()
  // can be either a single type or a Types<...> type list.
  INSTANTIATE_TYPED_TEST_SUITE_P(Int, TypedTestP1, int);
  INSTANTIATE_TYPED_TEST_SUITE_P(Int, TypedTestP2, Types<int>);
  
  // ChessLogicTests that the same type-parameterized test case can be
  // instantiated more than once in the same translation unit.
  INSTANTIATE_TYPED_TEST_SUITE_P(Double, TypedTestP2, Types<double>);
  
  // ChessLogicTests 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_SUITE_P(My, ContainerTest, MyContainers);
  
  // ChessLogicTests 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_SUITE_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_SUITE_P(NumericTest,
                             DefaultIsZero, ZeroIsLessThanOne);
  typedef Types<int, double> NumericTypes;
  INSTANTIATE_TYPED_TEST_SUITE_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_SUITE_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_SUITE_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_SUITE_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
  ) {
  }
  
  #if _MSC_VER
  GTEST_DISABLE_MSC_WARNINGS_POP_()  //  4127
  #endif                             //  _MSC_VER
  
  #endif  // #if !defined(GTEST_HAS_TYPED_TEST) && !defined(GTEST_HAS_TYPED_TEST_P)
  