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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/CppUnit/cppunit/TestAssert.h | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/CppUnit/cppunit/TestAssert.h')
| -rw-r--r-- | 3rdParty/CppUnit/cppunit/TestAssert.h | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/3rdParty/CppUnit/cppunit/TestAssert.h b/3rdParty/CppUnit/cppunit/TestAssert.h new file mode 100644 index 0000000..f74797b --- /dev/null +++ b/3rdParty/CppUnit/cppunit/TestAssert.h @@ -0,0 +1,428 @@ +#ifndef CPPUNIT_TESTASSERT_H +#define CPPUNIT_TESTASSERT_H + +#include <cppunit/Portability.h> +#include <cppunit/Exception.h> +#include <cppunit/Asserter.h> +#include <cppunit/portability/Stream.h> +#include <stdio.h> +#include <float.h> // For struct assertion_traits<double> + + +CPPUNIT_NS_BEGIN + + +/*! \brief Traits used by CPPUNIT_ASSERT_EQUAL(). + * + * Here is an example of specialising these traits: + * + * \code + * template<> + * struct assertion_traits<std::string> // specialization for the std::string type + * { + * static bool equal( const std::string& x, const std::string& y ) + * { + * return x == y; + * } + * + * static std::string toString( const std::string& x ) + * { + * std::string text = '"' + x + '"'; // adds quote around the string to see whitespace + * OStringStream ost; + * ost << text; + * return ost.str(); + * } + * }; + * \endcode + */ +template <class T> +struct assertion_traits +{ + static bool equal( const T& x, const T& y ) + { + return x == y; + } + + static std::string toString( const T& x ) + { + OStringStream ost; + ost << x; + return ost.str(); + } +}; + + +/*! \brief Traits used by CPPUNIT_ASSERT_DOUBLES_EQUAL(). + * + * This specialisation from @c struct @c assertion_traits<> ensures that + * doubles are converted in full, instead of being rounded to the default + * 6 digits of precision. Use the system defined ISO C99 macro DBL_DIG + * within float.h is available to define the maximum precision, otherwise + * use the hard-coded maximum precision of 15. + */ +template <> +struct assertion_traits<double> +{ + static bool equal( double x, double y ) + { + return x == y; + } + + static std::string toString( double x ) + { +#ifdef DBL_DIG + const int precision = DBL_DIG; +#else + const int precision = 15; +#endif // #ifdef DBL_DIG + char buffer[128]; +#ifdef __STDC_SECURE_LIB__ // Use secure version with visual studio 2005 to avoid warning. + sprintf_s(buffer, sizeof(buffer), "%.*g", precision, x); +#else + sprintf(buffer, "%.*g", precision, x); +#endif + return buffer; + } +}; + + +/*! \brief (Implementation) Asserts that two objects of the same type are equals. + * Use CPPUNIT_ASSERT_EQUAL instead of this function. + * \sa assertion_traits, Asserter::failNotEqual(). + */ +template <class T> +void assertEquals( const T& expected, + const T& actual, + SourceLine sourceLine, + const std::string &message ) +{ + if ( !assertion_traits<T>::equal(expected,actual) ) // lazy toString conversion... + { + Asserter::failNotEqual( assertion_traits<T>::toString(expected), + assertion_traits<T>::toString(actual), + sourceLine, + message ); + } +} + + +/*! \brief (Implementation) Asserts that two double are equals given a tolerance. + * Use CPPUNIT_ASSERT_DOUBLES_EQUAL instead of this function. + * \sa Asserter::failNotEqual(). + * \sa CPPUNIT_ASSERT_DOUBLES_EQUAL for detailed semantic of the assertion. + */ +void CPPUNIT_API assertDoubleEquals( double expected, + double actual, + double delta, + SourceLine sourceLine, + const std::string &message ); + + +/* A set of macros which allow us to get the line number + * and file name at the point of an error. + * Just goes to show that preprocessors do have some + * redeeming qualities. + */ +#if CPPUNIT_HAVE_CPP_SOURCE_ANNOTATION +/** Assertions that a condition is \c true. + * \ingroup Assertions + */ +#define CPPUNIT_ASSERT(condition) \ + ( CPPUNIT_NS::Asserter::failIf( !(condition), \ + CPPUNIT_NS::Message( "assertion failed", \ + "Expression: " #condition), \ + CPPUNIT_SOURCELINE() ) ) +#else +#define CPPUNIT_ASSERT(condition) \ + ( CPPUNIT_NS::Asserter::failIf( !(condition), \ + CPPUNIT_NS::Message( "assertion failed" ), \ + CPPUNIT_SOURCELINE() ) ) +#endif + +/** Assertion with a user specified message. + * \ingroup Assertions + * \param message Message reported in diagnostic if \a condition evaluates + * to \c false. + * \param condition If this condition evaluates to \c false then the + * test failed. + */ +#define CPPUNIT_ASSERT_MESSAGE(message,condition) \ + ( CPPUNIT_NS::Asserter::failIf( !(condition), \ + CPPUNIT_NS::Message( "assertion failed", \ + "Expression: " \ + #condition, \ + message ), \ + CPPUNIT_SOURCELINE() ) ) + +/** Fails with the specified message. + * \ingroup Assertions + * \param message Message reported in diagnostic. + */ +#define CPPUNIT_FAIL( message ) \ + ( CPPUNIT_NS::Asserter::fail( CPPUNIT_NS::Message( "forced failure", \ + message ), \ + CPPUNIT_SOURCELINE() ) ) + +#ifdef CPPUNIT_ENABLE_SOURCELINE_DEPRECATED +/// Generalized macro for primitive value comparisons +#define CPPUNIT_ASSERT_EQUAL(expected,actual) \ + ( CPPUNIT_NS::assertEquals( (expected), \ + (actual), \ + __LINE__, __FILE__ ) ) +#else +/** Asserts that two values are equals. + * \ingroup Assertions + * + * Equality and string representation can be defined with + * an appropriate CppUnit::assertion_traits class. + * + * A diagnostic is printed if actual and expected values disagree. + * + * Requirement for \a expected and \a actual parameters: + * - They are exactly of the same type + * - They are serializable into a std::strstream using operator <<. + * - They can be compared using operator ==. + * + * The last two requirements (serialization and comparison) can be + * removed by specializing the CppUnit::assertion_traits. + */ +#define CPPUNIT_ASSERT_EQUAL(expected,actual) \ + ( CPPUNIT_NS::assertEquals( (expected), \ + (actual), \ + CPPUNIT_SOURCELINE(), \ + "" ) ) + +/** Asserts that two values are equals, provides additional message on failure. + * \ingroup Assertions + * + * Equality and string representation can be defined with + * an appropriate assertion_traits class. + * + * A diagnostic is printed if actual and expected values disagree. + * The message is printed in addition to the expected and actual value + * to provide additional information. + * + * Requirement for \a expected and \a actual parameters: + * - They are exactly of the same type + * - They are serializable into a std::strstream using operator <<. + * - They can be compared using operator ==. + * + * The last two requirements (serialization and comparison) can be + * removed by specializing the CppUnit::assertion_traits. + */ +#define CPPUNIT_ASSERT_EQUAL_MESSAGE(message,expected,actual) \ + ( CPPUNIT_NS::assertEquals( (expected), \ + (actual), \ + CPPUNIT_SOURCELINE(), \ + (message) ) ) +#endif + +/*! \brief Macro for primitive double value comparisons. + * \ingroup Assertions + * + * The assertion pass if both expected and actual are finite and + * \c fabs( \c expected - \c actual ) <= \c delta. + * If either \c expected or actual are infinite (+/- inf), the + * assertion pass if \c expected == \c actual. + * If either \c expected or \c actual is a NaN (not a number), then + * the assertion fails. + */ +#define CPPUNIT_ASSERT_DOUBLES_EQUAL(expected,actual,delta) \ + ( CPPUNIT_NS::assertDoubleEquals( (expected), \ + (actual), \ + (delta), \ + CPPUNIT_SOURCELINE(), \ + "" ) ) + + +/*! \brief Macro for primitive double value comparisons, setting a + * user-supplied message in case of failure. + * \ingroup Assertions + * \sa CPPUNIT_ASSERT_DOUBLES_EQUAL for detailed semantic of the assertion. + */ +#define CPPUNIT_ASSERT_DOUBLES_EQUAL_MESSAGE(message,expected,actual,delta) \ + ( CPPUNIT_NS::assertDoubleEquals( (expected), \ + (actual), \ + (delta), \ + CPPUNIT_SOURCELINE(), \ + (message) ) ) + + +/** Asserts that the given expression throws an exception of the specified type. + * \ingroup Assertions + * Example of usage: + * \code + * std::vector<int> v; + * CPPUNIT_ASSERT_THROW( v.at( 50 ), std::out_of_range ); + * \endcode + */ +# define CPPUNIT_ASSERT_THROW( expression, ExceptionType ) \ + CPPUNIT_ASSERT_THROW_MESSAGE( CPPUNIT_NS::AdditionalMessage(), \ + expression, \ + ExceptionType ) + + +// implementation detail +#if CPPUNIT_USE_TYPEINFO_NAME +#define CPPUNIT_EXTRACT_EXCEPTION_TYPE_( exception, no_rtti_message ) \ + CPPUNIT_NS::TypeInfoHelper::getClassName( typeid(exception) ) +#else +#define CPPUNIT_EXTRACT_EXCEPTION_TYPE_( exception, no_rtti_message ) \ + std::string( no_rtti_message ) +#endif // CPPUNIT_USE_TYPEINFO_NAME + +// implementation detail +#define CPPUNIT_GET_PARAMETER_STRING( parameter ) #parameter + +/** Asserts that the given expression throws an exception of the specified type, + * setting a user supplied message in case of failure. + * \ingroup Assertions + * Example of usage: + * \code + * std::vector<int> v; + * CPPUNIT_ASSERT_THROW_MESSAGE( "- std::vector<int> v;", v.at( 50 ), std::out_of_range ); + * \endcode + */ +# define CPPUNIT_ASSERT_THROW_MESSAGE( message, expression, ExceptionType ) \ + do { \ + bool cpputCorrectExceptionThrown_ = false; \ + CPPUNIT_NS::Message cpputMsg_( "expected exception not thrown" ); \ + cpputMsg_.addDetail( message ); \ + cpputMsg_.addDetail( "Expected: " \ + CPPUNIT_GET_PARAMETER_STRING( ExceptionType ) ); \ + \ + try { \ + expression; \ + } catch ( const ExceptionType & ) { \ + cpputCorrectExceptionThrown_ = true; \ + } catch ( const std::exception &e) { \ + cpputMsg_.addDetail( "Actual : " + \ + CPPUNIT_EXTRACT_EXCEPTION_TYPE_( e, \ + "std::exception or derived") ); \ + cpputMsg_.addDetail( std::string("What() : ") + e.what() ); \ + } catch ( ... ) { \ + cpputMsg_.addDetail( "Actual : unknown."); \ + } \ + \ + if ( cpputCorrectExceptionThrown_ ) \ + break; \ + \ + CPPUNIT_NS::Asserter::fail( cpputMsg_, \ + CPPUNIT_SOURCELINE() ); \ + } while ( false ) + + +/** Asserts that the given expression does not throw any exceptions. + * \ingroup Assertions + * Example of usage: + * \code + * std::vector<int> v; + * v.push_back( 10 ); + * CPPUNIT_ASSERT_NO_THROW( v.at( 0 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_NO_THROW( expression ) \ + CPPUNIT_ASSERT_NO_THROW_MESSAGE( CPPUNIT_NS::AdditionalMessage(), \ + expression ) + + +/** Asserts that the given expression does not throw any exceptions, + * setting a user supplied message in case of failure. + * \ingroup Assertions + * Example of usage: + * \code + * std::vector<int> v; + * v.push_back( 10 ); + * CPPUNIT_ASSERT_NO_THROW( "std::vector<int> v;", v.at( 0 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_NO_THROW_MESSAGE( message, expression ) \ + do { \ + CPPUNIT_NS::Message cpputMsg_( "unexpected exception caught" ); \ + cpputMsg_.addDetail( message ); \ + \ + try { \ + expression; \ + } catch ( const std::exception &e ) { \ + cpputMsg_.addDetail( "Caught: " + \ + CPPUNIT_EXTRACT_EXCEPTION_TYPE_( e, \ + "std::exception or derived" ) ); \ + cpputMsg_.addDetail( std::string("What(): ") + e.what() ); \ + CPPUNIT_NS::Asserter::fail( cpputMsg_, \ + CPPUNIT_SOURCELINE() ); \ + } catch ( ... ) { \ + cpputMsg_.addDetail( "Caught: unknown." ); \ + CPPUNIT_NS::Asserter::fail( cpputMsg_, \ + CPPUNIT_SOURCELINE() ); \ + } \ + } while ( false ) + + +/** Asserts that an assertion fail. + * \ingroup Assertions + * Use to test assertions. + * Example of usage: + * \code + * CPPUNIT_ASSERT_ASSERTION_FAIL( CPPUNIT_ASSERT( 1 == 2 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_ASSERTION_FAIL( assertion ) \ + CPPUNIT_ASSERT_THROW( assertion, CPPUNIT_NS::Exception ) + + +/** Asserts that an assertion fail, with a user-supplied message in + * case of error. + * \ingroup Assertions + * Use to test assertions. + * Example of usage: + * \code + * CPPUNIT_ASSERT_ASSERTION_FAIL_MESSAGE( "1 == 2", CPPUNIT_ASSERT( 1 == 2 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_ASSERTION_FAIL_MESSAGE( message, assertion ) \ + CPPUNIT_ASSERT_THROW_MESSAGE( message, assertion, CPPUNIT_NS::Exception ) + + +/** Asserts that an assertion pass. + * \ingroup Assertions + * Use to test assertions. + * Example of usage: + * \code + * CPPUNIT_ASSERT_ASSERTION_PASS( CPPUNIT_ASSERT( 1 == 1 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_ASSERTION_PASS( assertion ) \ + CPPUNIT_ASSERT_NO_THROW( assertion ) + + +/** Asserts that an assertion pass, with a user-supplied message in + * case of failure. + * \ingroup Assertions + * Use to test assertions. + * Example of usage: + * \code + * CPPUNIT_ASSERT_ASSERTION_PASS_MESSAGE( "1 != 1", CPPUNIT_ASSERT( 1 == 1 ) ); + * \endcode + */ +# define CPPUNIT_ASSERT_ASSERTION_PASS_MESSAGE( message, assertion ) \ + CPPUNIT_ASSERT_NO_THROW_MESSAGE( message, assertion ) + + + + +// Backwards compatibility + +#if CPPUNIT_ENABLE_NAKED_ASSERT + +#undef assert +#define assert(c) CPPUNIT_ASSERT(c) +#define assertEqual(e,a) CPPUNIT_ASSERT_EQUAL(e,a) +#define assertDoublesEqual(e,a,d) CPPUNIT_ASSERT_DOUBLES_EQUAL(e,a,d) +#define assertLongsEqual(e,a) CPPUNIT_ASSERT_EQUAL(e,a) + +#endif + + +CPPUNIT_NS_END + +#endif // CPPUNIT_TESTASSERT_H |