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authorRemko Tronçon <git@el-tramo.be>2009-06-01 08:48:42 (GMT)
committerRemko Tronçon <git@el-tramo.be>2009-06-01 09:24:28 (GMT)
commit2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch)
treed46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/CppUnit/cppunit/TestAssert.h
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+#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