note.c++.gtest_read.md

id	title	desc	updated	created
mkxykzsap9yb8e4qpc6rx6l	Gtest_read		1710812773916	1703157222094

flow

1. 罗列所有可分享特性
2. 观众朋友现场 选题(时间有限)
3. 对应讲解
4. 开场: 与gtest的渊源，在实习期知道陈老师做了一次gtest

code expand

test macro expand to complete implementation test macro

TEST(FooTest, Demo)
{
    EXPECT_EQ(1, 1);
}

complete implementation

class FooTest_Demo_Test : public ::testing::Test 
{
public: 
    FooTest_Demo_Test() {}
private: 
    virtual void TestBody();
    static ::testing::TestInfo* const test_info_;
    FooTest_Demo_Test(const FooTest_Demo_Test &);
    void operator=(const FooTest_Demo_Test &);
};

::testing::TestInfo* const FooTest_Demo_Test 
    ::test_info_ = 
        ::testing::internal::MakeAndRegisterTestInfo( 
            "FooTest", "Demo", "", "",
            (::testing::internal::GetTestTypeId()),
            ::testing::Test::SetUpTestCase,
            ::testing::Test::TearDownTestCase,
            new ::testing::internal::TestFactoryImpl< FooTest_Demo_Test>);

void FooTest_Demo_Test::TestBody()
{
    switch (0)
    case 0:
        if (const ::testing::AssertionResultgtest_ar = 
                    (::testing::internal:: EqHelper<(sizeof(::testing::internal::IsNullLiteralHelper(1)) == 1)>::Compare("1", "1", 1, 1)));
        else 
            ::testing::internal::AssertHelper(
                ::testing::TPRT_NONFATAL_FAILURE,
                ".\\gtest_demo.cpp",
                9,
                gtest_ar.failure_message()
                ) = ::testing::Message();
}

important class

TEST macro

用户 的调用入口，存放单元测试代码块, 利用用户传入的宏参数，作为类型依据，进行代码生成

Test

由 TEST 宏进行 核心: 用来承接用户通过宏定义传入的Testbody实现，以及宏定义内包含的testinfo_成员

TestInfo

存储

TEST宏生成的类在什么时候被实例化呢