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external/cppunit/extensions/HelperMacros.h
576 строк22 KB
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24 янв 2024, 00:12
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// //////////////////////////////////////////////////////////////////////////
// Header file HelperMacros.h
// (c)Copyright 2000, Baptiste Lepilleur.
// Created: 2001/04/15
// //////////////////////////////////////////////////////////////////////////
#ifndef CPPUNIT_EXTENSIONS_HELPERMACROS_H
#define CPPUNIT_EXTENSIONS_HELPERMACROS_H

#include <cppunit/TestCaller.h>
#include <cppunit/TestSuite.h>
#include <cppunit/extensions/AutoRegisterSuite.h>
#include <cppunit/extensions/ExceptionTestCaseDecorator.h>
#include <cppunit/extensions/TestFixtureFactory.h>
#include <cppunit/extensions/TestNamer.h>
#include <cppunit/extensions/TestSuiteBuilderContext.h>
#include <memory>


/*! \addtogroup WritingTestFixture Writing test fixture
 */
/** @{
 */


/** \file
 * Macros intended to ease the definition of test suites.
 *
 * The macros
 * CPPUNIT_TEST_SUITE(), CPPUNIT_TEST(), and CPPUNIT_TEST_SUITE_END()
 * are designed to facilitate easy creation of a test suite.
 * For example,
 *
 * \code
 * #include <cppunit/extensions/HelperMacros.h>
 * class MyTest : public CppUnit::TestFixture {
 *   CPPUNIT_TEST_SUITE( MyTest );
 *   CPPUNIT_TEST( testEquality );
 *   CPPUNIT_TEST( testSetName );
 *   CPPUNIT_TEST_SUITE_END();
 * public:
 *   void testEquality();
 *   void testSetName();
 * };
 * \endcode
 * 
 * The effect of these macros is to define two methods in the
 * class MyTest.  The first method is an auxiliary function
 * named registerTests that you will not need to call directly.
 * The second function
 * \code static CppUnit::TestSuite *suite()\endcode
 * returns a pointer to the suite of tests defined by the CPPUNIT_TEST()
 * macros.  
 *
 * Rather than invoking suite() directly,
 * the macro CPPUNIT_TEST_SUITE_REGISTRATION() is
 * used to create a static variable that automatically
 * registers its test suite in a global registry.
 * The registry yields a Test instance containing all the
 * registered suites.
 * \code
 * CPPUNIT_TEST_SUITE_REGISTRATION( MyTest );
 * CppUnit::Test* tp =
 *   CppUnit::TestFactoryRegistry::getRegistry().makeTest();
 * \endcode
 * 
 * The test suite macros can even be used with templated test classes.
 * For example:
 *
 * \code
 * template<typename CharType>
 * class StringTest : public CppUnit::TestFixture {
 *   CPPUNIT_TEST_SUITE( StringTest );
 *   CPPUNIT_TEST( testAppend );
 *   CPPUNIT_TEST_SUITE_END();
 * public:  
 *   ...
 * };
 * \endcode
 *
 * You need to add in an implementation file:
 *
 * \code
 * CPPUNIT_TEST_SUITE_REGISTRATION( StringTest<char> );
 * CPPUNIT_TEST_SUITE_REGISTRATION( StringTest<wchar_t> );
 * \endcode
 */


/*! \brief Begin test suite
 *
 * This macro starts the declaration of a new test suite.
 * Use CPPUNIT_TEST_SUB_SUITE() instead, if you wish to include the
 * test suite of the parent class.
 *
 * \param ATestFixtureType Type of the test case class. This type \b MUST
 *                         be derived from TestFixture.
 * \see CPPUNIT_TEST_SUB_SUITE, CPPUNIT_TEST, CPPUNIT_TEST_SUITE_END, 
 * \see CPPUNIT_TEST_SUITE_REGISTRATION, CPPUNIT_TEST_EXCEPTION, CPPUNIT_TEST_FAIL.
 */
#define CPPUNIT_TEST_SUITE( ATestFixtureType )                              \
  public:                                                                   \
    typedef ATestFixtureType TestFixtureType;                               \
                                                                            \
  private:                                                                  \
    static const CPPUNIT_NS::TestNamer &getTestNamer__()                    \
    {                                                                       \
      static CPPUNIT_TESTNAMER_DECL( testNamer, ATestFixtureType );         \
      return testNamer;                                                     \
    }                                                                       \
                                                                            \
  public:                                                                   \
    typedef CPPUNIT_NS::TestSuiteBuilderContext<TestFixtureType>            \
                TestSuiteBuilderContextType;                                \
                                                                            \
    static void                                                             \
    addTestsToSuite( CPPUNIT_NS::TestSuiteBuilderContextBase &baseContext ) \
    {                                                                       \
      TestSuiteBuilderContextType context( baseContext )


/*! \brief Begin test suite (includes parent suite)
 * 
 * This macro may only be used in a class whose parent class
 * defines a test suite using CPPUNIT_TEST_SUITE() or CPPUNIT_TEST_SUB_SUITE().
 *
 * This macro begins the declaration of a test suite, in the same
 * manner as CPPUNIT_TEST_SUITE().  In addition, the test suite of the
 * parent is automatically inserted in the test suite being
 * defined.
 * 
 * Here is an example:
 *
 * \code
 * #include <cppunit/extensions/HelperMacros.h>
 * class MySubTest : public MyTest {
 *   CPPUNIT_TEST_SUB_SUITE( MySubTest, MyTest );
 *   CPPUNIT_TEST( testAdd );
 *   CPPUNIT_TEST( testSub );
 *   CPPUNIT_TEST_SUITE_END();
 * public:
 *   void testAdd();
 *   void testSub();
 * };
 * \endcode
 *
 * \param ATestFixtureType Type of the test case class. This type \b MUST
 *                         be derived from TestFixture.
 * \param ASuperClass   Type of the parent class.
 * \see CPPUNIT_TEST_SUITE.
 */
#define CPPUNIT_TEST_SUB_SUITE( ATestFixtureType, ASuperClass )  \
  public:                                                        \
    typedef ASuperClass ParentTestFixtureType;                   \
  private:                                                       \
    CPPUNIT_TEST_SUITE( ATestFixtureType );                      \
      ParentTestFixtureType::addTestsToSuite( baseContext )


/*! \brief End declaration of the test suite.
 *
 * After this macro, member access is set to "private".
 *
 * \see  CPPUNIT_TEST_SUITE.
 * \see  CPPUNIT_TEST_SUITE_REGISTRATION.
 */
#define CPPUNIT_TEST_SUITE_END()                                               \
    }                                                                          \
                                                                               \
public:									       \
    static CPPUNIT_NS::TestSuite *suite()                                      \
    {                                                                          \
      const CPPUNIT_NS::TestNamer &namer = getTestNamer__();                   \
      std::unique_ptr<CPPUNIT_NS::TestSuite> guard(                            \
              new CPPUNIT_NS::TestSuite( namer.getFixtureName() ));            \
      CPPUNIT_NS::ConcretTestFixtureFactory<TestFixtureType> factory;          \
      CPPUNIT_NS::TestSuiteBuilderContextBase context( *guard.get(),           \
                                                       namer,                  \
                                                       factory );              \
      TestFixtureType::addTestsToSuite( context );                             \
      return guard.release();                                                  \
    }                                                                          \
  private: /* dummy typedef so that the macro can still end with ';'*/         \
    typedef int CppUnitDummyTypedefForSemiColonEnding__

/*! \brief End declaration of an abstract test suite.
 *
 * Use this macro to indicate that the %TestFixture is abstract. No
 * static suite() method will be declared. 
 *
 * After this macro, member access is set to "private".
 *
 * Here is an example of usage:
 *
 * The abstract test fixture:
 * \code
 * #include <cppunit/extensions/HelperMacros.h>
 * class AbstractDocument;
 * class AbstractDocumentTest : public CppUnit::TestFixture {
 *   CPPUNIT_TEST_SUITE( AbstractDocumentTest );
 *   CPPUNIT_TEST( testInsertText );
 *   CPPUNIT_TEST_SUITE_END_ABSTRACT();
 * public:
 *   void testInsertText();
 * 
 *   void setUp()
 *   {
 *     m_document = makeDocument();
 *   }
 *
 *   void tearDown()
 *   {
 *     delete m_document;
 *   }
 * protected:
 *   virtual AbstractDocument *makeDocument() =0;
 *
 *   AbstractDocument *m_document;
 * };\endcode
 *
 * The concret test fixture:
 * \code
 * class RichTextDocumentTest : public AbstractDocumentTest {
 *   CPPUNIT_TEST_SUB_SUITE( RichTextDocumentTest, AbstractDocumentTest );
 *   CPPUNIT_TEST( testInsertFormatedText );
 *   CPPUNIT_TEST_SUITE_END();
 * public:
 *   void testInsertFormatedText();
 * protected:
 *   AbstractDocument *makeDocument()
 *   {
 *     return new RichTextDocument();
 *   }
 * };\endcode
 *
 * \see  CPPUNIT_TEST_SUB_SUITE.
 * \see  CPPUNIT_TEST_SUITE_REGISTRATION.
 */
#define CPPUNIT_TEST_SUITE_END_ABSTRACT()                                      \
    }                                                                          \
  private: /* dummy typedef so that the macro can still end with ';'*/         \
    typedef int CppUnitDummyTypedefForSemiColonEnding__

/*! \brief Define test suite with a single test.
 *
 * This macro declares a new test suite with a single test and a single parent
 * class.  Use CPPUNIT_TEST_SUITE(), CPPUNIT_TEST() and
 * CPPUNIT_TEST_SUITE_END() instead if you wish to include more tests in the
 * suite. The benefit of using this macro is that you don't have to declare,
 * register and define your test name manually, so you don't repeat yourself.
 *
 * \param TestClass Base class. This type \b MUST be derived from TestFixture.
 * \param TestName Name of the test.
 * \see CPPUNIT_TEST_SUITE, CPPUNIT_TEST, CPPUNIT_TEST_SUITE_END
 */
#define CPPUNIT_TEST_FIXTURE(TestClass, TestName)                              \
    class TestName : public TestClass                                          \
    {                                                                          \
    public:                                                                    \
        void TestBody();                                                       \
        CPPUNIT_TEST_SUITE(TestName);                                          \
        CPPUNIT_TEST(TestBody);                                                \
        CPPUNIT_TEST_SUITE_END();                                              \
    };                                                                         \
    CPPUNIT_TEST_SUITE_REGISTRATION(TestName);                                 \
    void TestName::TestBody()

/*! \brief Add a test to the suite (for custom test macro).
 *
 * The specified test will be added to the test suite being declared. This macro
 * is intended for \e advanced usage, to extend %CppUnit by creating new macro such
 * as CPPUNIT_TEST_EXCEPTION()...
 *
 * Between macro CPPUNIT_TEST_SUITE() and CPPUNIT_TEST_SUITE_END(), you can assume
 * that the following variables can be used:
 * \code
 * typedef TestSuiteBuilder<TestFixtureType> TestSuiteBuilderType;
 * TestSuiteBuilderType &context;
 * \endcode
 *
 * \c context can be used to name test case, create new test fixture instance,
 * or add test case to the test fixture suite.
 *
 * Below is an example that show how to use this macro to create new macro to add
 * test to the fixture suite. The macro below show how you would add a new type
 * of test case which fails if the execution last more than a given time limit.
 * It relies on an imaginary TimeOutTestCaller class which has an interface similar
 * to TestCaller.
 * 
 * \code
 * #define CPPUNITEX_TEST_TIMELIMIT( testMethod, timeLimit )            \
 *      CPPUNIT_TEST_SUITE_ADD_TEST( (new TimeOutTestCaller<TestFixtureType>(  \
 *                  namer.getTestNameFor( #testMethod ),                \
 *                  &TestFixtureType::testMethod,                   \
 *                  factory.makeFixture(),                              \
 *                  timeLimit ) ) )
 *   
 * class PerformanceTest : CppUnit::TestFixture
 * {
 * public:
 *   CPPUNIT_TEST_SUITE( PerformanceTest );
 *   CPPUNITEX_TEST_TIMELIMIT( testSortReverseOrder, 5.0 );
 *   CPPUNIT_TEST_SUITE_END();
 *
 *   void testSortReverseOrder();
 * };
 * \endcode
 *
 * \param test Test to add to the suite. Must be a subclass of Test. The test name
 *             should have been obtained using TestNamer::getTestNameFor().
 */
#define CPPUNIT_TEST_SUITE_ADD_TEST( test ) \
      context.addTest( test )

/*! \brief Add a method to the suite.
 * \param testMethod Name of the method of the test case to add to the
 *                   suite. The signature of the method must be of
 *                   type: void testMethod();
 * \see  CPPUNIT_TEST_SUITE.
 */
#define CPPUNIT_TEST( testMethod )                        \
    CPPUNIT_TEST_SUITE_ADD_TEST(                           \
        ( new CPPUNIT_NS::TestCaller<TestFixtureType>(    \
                  context.getTestNameFor( #testMethod),   \
                  &TestFixtureType::testMethod,           \
                  context.makeFixture() ) ) )

#define CPPUNIT_TEST_PARAMETERIZED( testMethod, ... )    \
    for (auto& i : __VA_ARGS__)                                  \
    {                                                           \
        TestFixtureType* fixture = context.makeFixture();       \
        CPPUNIT_TEST_SUITE_ADD_TEST(                            \
        ( new CPPUNIT_NS::TestCaller<TestFixtureType>(          \
                    context.getTestNameFor(#testMethod, i),     \
                    std::bind(&TestFixtureType::testMethod, fixture, i),          \
                    fixture)));                                  \
    }

/*! \brief Add a test which fail if the specified exception is not caught.
 *
 * Example:
 * \code
 * #include <cppunit/extensions/HelperMacros.h>
 * #include <vector>
 * class MyTest : public CppUnit::TestFixture {
 *   CPPUNIT_TEST_SUITE( MyTest );
 *   CPPUNIT_TEST_EXCEPTION( testVectorAtThrow, std::out_of_range );
 *   CPPUNIT_TEST_SUITE_END();
 * public:
 *   void testVectorAtThrow()
 *   {
 *     std::vector<int> v;
 *     v.at( 1 );     // must throw exception std::out_of_range
 *   }
 * };
 * \endcode
 *
 * \param testMethod Name of the method of the test case to add to the suite.
 * \param ExceptionType Type of the exception that must be thrown by the test 
 *                      method.
 * \deprecated Use the assertion macro CPPUNIT_ASSERT_THROW instead.
 */
#define CPPUNIT_TEST_EXCEPTION( testMethod, ExceptionType )          \
  CPPUNIT_TEST_SUITE_ADD_TEST(                                        \
      (new CPPUNIT_NS::ExceptionTestCaseDecorator< ExceptionType >(  \
          new CPPUNIT_NS::TestCaller< TestFixtureType >(             \
                               context.getTestNameFor( #testMethod ),  \
                               &TestFixtureType::testMethod,         \
                               context.makeFixture() ) ) ) )

/*! \brief Adds a test case which is excepted to fail.
 *
 * The added test case expect an assertion to fail. You usually used that type
 * of test case when testing custom assertion macros.
 *
 * \code
 * CPPUNIT_TEST_FAIL( testAssertFalseFail );
 * 
 * void testAssertFalseFail()
 * {
 *   CPPUNIT_ASSERT( false );
 * }
 * \endcode
 * \see CreatingNewAssertions.
 * \deprecated Use the assertion macro CPPUNIT_ASSERT_ASSERTION_FAIL instead.
 */
#define CPPUNIT_TEST_FAIL( testMethod ) \
              CPPUNIT_TEST_EXCEPTION( testMethod, CPPUNIT_NS::Exception )

/*! \brief Adds some custom test cases.
 *
 * Use this to add one or more test cases to the fixture suite. The specified
 * method is called with a context parameter that can be used to name, 
 * instantiate fixture, and add instantiated test case to the fixture suite.
 * The specified method must have the following signature:
 * \code
 * static void aMethodName( TestSuiteBuilderContextType &context );
 * \endcode
 *
 * \c TestSuiteBuilderContextType is typedef to 
 * TestSuiteBuilderContext<TestFixtureType> declared by CPPUNIT_TEST_SUITE().
 *
 * Here is an example that add two custom tests:
 *
 * \code
 * #include <cppunit/extensions/HelperMacros.h>
 *
 * class MyTest : public CppUnit::TestFixture {
 *   CPPUNIT_TEST_SUITE( MyTest );
 *   CPPUNIT_TEST_SUITE_ADD_CUSTOM_TESTS( addTimeOutTests );
 *   CPPUNIT_TEST_SUITE_END();
 * public:
 *   static void addTimeOutTests( TestSuiteBuilderContextType &context )
 *   {
 *     context.addTest( new TimeOutTestCaller( context.getTestNameFor( "test1" ) ),
 *                                             &MyTest::test1,
 *                                             context.makeFixture(),
 *                                             5.0 );
 *     context.addTest( new TimeOutTestCaller( context.getTestNameFor( "test2" ) ),
 *                                             &MyTest::test2,
 *                                             context.makeFixture(),
 *                                             5.0 );
 *   }
 *
 *   void test1()
 *   {
 *     // Do some test that may never end...
 *   }
 *
 *   void test2()
 *   {
 *     // Do some test that may never end...
 *   }
 * };
 * \endcode
 * @param testAdderMethod Name of the method called to add the test cases.
 */
#define CPPUNIT_TEST_SUITE_ADD_CUSTOM_TESTS( testAdderMethod ) \
      testAdderMethod( context )

/*! \brief Adds a property to the test suite builder context.
 * \param APropertyKey   Key of the property to add.
 * \param APropertyValue Value for the added property.
 * Example:
 * \code
 * CPPUNIT_TEST_SUITE_PROPERTY("XmlFileName", "paraTest.xml"); \endcode
 */
#define CPPUNIT_TEST_SUITE_PROPERTY( APropertyKey, APropertyValue ) \
    context.addProperty( std::string(APropertyKey),                 \
                         std::string(APropertyValue) )

/** @}
 */


/*! Adds the specified fixture suite to the unnamed registry.
 * \ingroup CreatingTestSuite
 *
 * This macro declares a static variable whose construction
 * causes a test suite factory to be inserted in a global registry
 * of such factories.  The registry is available by calling
 * the static function CppUnit::TestFactoryRegistry::getRegistry().
 * 
 * \param ATestFixtureType Type of the test case class.
 * \warning This macro should be used only once per line of code (the line
 *          number is used to name a hidden static variable).
 * \see CPPUNIT_TEST_SUITE_NAMED_REGISTRATION
 * \see CPPUNIT_REGISTRY_ADD_TO_DEFAULT
 * \see CPPUNIT_REGISTRY_ADD
 * \see CPPUNIT_TEST_SUITE, CppUnit::AutoRegisterSuite, 
 *      CppUnit::TestFactoryRegistry.
 */
#define CPPUNIT_TEST_SUITE_REGISTRATION( ATestFixtureType )      \
  static CPPUNIT_NS::AutoRegisterSuite< ATestFixtureType >       \
             CPPUNIT_MAKE_UNIQUE_NAME(autoRegisterRegistry__ )


/** Adds the specified fixture suite to the specified registry suite.
 * \ingroup CreatingTestSuite
 *
 * This macro declares a static variable whose construction
 * causes a test suite factory to be inserted in the global registry
 * suite of the specified name. The registry is available by calling
 * the static function CppUnit::TestFactoryRegistry::getRegistry().
 * 
 * For the suite name, use a string returned by a static function rather
 * than a hardcoded string. That way, you can know what are the name of
 * named registry and you don't risk mistyping the registry name.
 *
 * \code
 * // MySuites.h
 * namespace MySuites {
 *   std::string math() { 
 *     return "Math";
 *   }
 * }
 *
 * // ComplexNumberTest.cpp
 * #include "MySuites.h"
 * 
 * CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ComplexNumberTest, MySuites::math() );
 * \endcode
 *
 * \param ATestFixtureType Type of the test case class.
 * \param suiteName Name of the global registry suite the test suite is 
 *                  registered into.
 * \warning This macro should be used only once per line of code (the line
 *          number is used to name a hidden static variable).
 * \see CPPUNIT_TEST_SUITE_REGISTRATION
 * \see CPPUNIT_REGISTRY_ADD_TO_DEFAULT
 * \see CPPUNIT_REGISTRY_ADD
 * \see CPPUNIT_TEST_SUITE, CppUnit::AutoRegisterSuite, 
 *      CppUnit::TestFactoryRegistry..
 */
#define CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ATestFixtureType, suiteName ) \
  static CPPUNIT_NS::AutoRegisterSuite< ATestFixtureType >                   \
             CPPUNIT_MAKE_UNIQUE_NAME(autoRegisterRegistry__ )(suiteName)

/*! Adds that the specified registry suite to another registry suite.
 * \ingroup CreatingTestSuite
 *
 * Use this macros to automatically create test registry suite hierarchy. For example,
 * if you want to create the following hierarchy:
 * - Math
 *   - IntegerMath
 *   - FloatMath
 *     - FastFloat
 *     - StandardFloat
 * 
 * You can do this automatically with:
 * \code
 * CPPUNIT_REGISTRY_ADD( "FastFloat", "FloatMath" );
 * CPPUNIT_REGISTRY_ADD( "IntegerMath", "Math" );
 * CPPUNIT_REGISTRY_ADD( "FloatMath", "Math" );
 * CPPUNIT_REGISTRY_ADD( "StandardFloat", "FloatMath" );
 * \endcode
 *
 * There is no specific order of declaration. Think of it as declaring links.
 *
 * You register the test in each suite using CPPUNIT_TEST_SUITE_NAMED_REGISTRATION.
 *
 * \param which Name of the registry suite to add to the registry suite named \a to.
 * \param to Name of the registry suite \a which is added to.
 * \see CPPUNIT_REGISTRY_ADD_TO_DEFAULT, CPPUNIT_TEST_SUITE_NAMED_REGISTRATION.
 */
#define CPPUNIT_REGISTRY_ADD( which, to )                                     \
  static CPPUNIT_NS::AutoRegisterRegistry                                     \
             CPPUNIT_MAKE_UNIQUE_NAME( autoRegisterRegistry__ )( which, to )

/*! Adds that the specified registry suite to the default registry suite.
 * \ingroup CreatingTestSuite
 *
 * This macro is just like CPPUNIT_REGISTRY_ADD except the specified registry
 * suite is added to the default suite (root suite).
 *
 * \param which Name of the registry suite to add to the default registry suite.
 * \see CPPUNIT_REGISTRY_ADD.
 */
#define CPPUNIT_REGISTRY_ADD_TO_DEFAULT( which )                         \
  static CPPUNIT_NS::AutoRegisterRegistry                                \
             CPPUNIT_MAKE_UNIQUE_NAME( autoRegisterRegistry__ )( which )

// Backwards compatibility
// (Not tested!)

#if CPPUNIT_ENABLE_CU_TEST_MACROS

#define CU_TEST_SUITE(tc) CPPUNIT_TEST_SUITE(tc)
#define CU_TEST_SUB_SUITE(tc,sc) CPPUNIT_TEST_SUB_SUITE(tc,sc)
#define CU_TEST(tm) CPPUNIT_TEST(tm)
#define CU_TEST_SUITE_END() CPPUNIT_TEST_SUITE_END()
#define CU_TEST_SUITE_REGISTRATION(tc) CPPUNIT_TEST_SUITE_REGISTRATION(tc)

#endif


#endif  // CPPUNIT_EXTENSIONS_HELPERMACROS_H