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| author | Noel Grandin <noel.grandin@collabora.co.uk> | 2017-05-26 12:05:06 +0200 |
|---|---|---|
| committer | Markus Mohrhard <markus.mohrhard@googlemail.com> | 2019-02-14 22:33:13 +0800 |
| commit | 1caa3a0c66f009fe1a386d7559dc25054dad42a3 (patch) | |
| tree | 6b778a26c9603cc7e753b485a986dc17374994e3 /include/cppunit/TestAssert.h | |
| parent | 3788fccdd12ea1e3240d79e85d9146f6c264c6ec (diff) | |
| download | cppunit-1caa3a0c66f009fe1a386d7559dc25054dad42a3.tar.gz | |
custom tostring formatter to CPPUNIT_ASSERT_MESSAGE
Provide an extension trait message_to_string that allows client code
to call ASSERT_MESSAGE with their own string types.
Also provide a default extension trait that accepts std::ostream
messages.
Change-Id: I516f97063c34d86bc91c40e0ec147d5393e7b6ea
Diffstat (limited to 'include/cppunit/TestAssert.h')
| -rw-r--r-- | include/cppunit/TestAssert.h | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/include/cppunit/TestAssert.h b/include/cppunit/TestAssert.h index bb29ac0..1e17868 100644 --- a/include/cppunit/TestAssert.h +++ b/include/cppunit/TestAssert.h @@ -119,6 +119,40 @@ struct assertion_traits<double> }; +/*! \brief Message traits used by CPPUNIT_ASSERT* macros. + * + * Here is an example of specialising these traits: + * + * \code + * CPPUNIT_NS_BEGIN + * static std::string message_to_string(const MyType& m) + * { + * return m.getStr(); + * }; + * CPPUNIT_NS_END + * \endcode + */ +inline std::string message_to_string( const std::string& s ) +{ + return s; +} +inline std::string message_to_string( const OStream& out ) +{ + OStringStream ost; + ost << out.rdbuf(); + return ost.str(); +} +/// for calls to addDetail +inline AdditionalMessage message_to_string( const AdditionalMessage& msg ) +{ + return msg; +} +/// otherwise calls with string literals are ambiguous +inline std::string message_to_string( const char * s ) +{ + return s; +} + /*! \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(). @@ -260,7 +294,7 @@ void assertGreaterEqual( const T& expected, CPPUNIT_NS::Message( "assertion failed", \ "Expression: " \ #condition, \ - message ), \ + CPPUNIT_NS::message_to_string(message) ), \ CPPUNIT_SOURCELINE() ) ) /** Fails with the specified message. @@ -269,7 +303,7 @@ void assertGreaterEqual( const T& expected, */ #define CPPUNIT_FAIL( message ) \ ( CPPUNIT_NS::Asserter::fail( CPPUNIT_NS::Message( "forced failure", \ - message ), \ + CPPUNIT_NS::message_to_string(message) ), \ CPPUNIT_SOURCELINE() ) ) #ifdef CPPUNIT_ENABLE_SOURCELINE_DEPRECATED @@ -323,7 +357,7 @@ void assertGreaterEqual( const T& expected, ( CPPUNIT_NS::assertEquals( (expected), \ (actual), \ CPPUNIT_SOURCELINE(), \ - (message) ) ) + CPPUNIT_NS::message_to_string(message) ) ) #endif /** Asserts that actual is less than expected, provides additional message on failure. @@ -457,7 +491,7 @@ void assertGreaterEqual( const T& expected, (actual), \ (delta), \ CPPUNIT_SOURCELINE(), \ - (message) ) ) + CPPUNIT_NS::message_to_string(message) ) ) /** Asserts that the given expression throws an exception of the specified type. @@ -499,7 +533,7 @@ void assertGreaterEqual( const T& expected, do { \ bool cpputCorrectExceptionThrown_ = false; \ CPPUNIT_NS::Message cpputMsg_( "expected exception not thrown" ); \ - cpputMsg_.addDetail( message ); \ + cpputMsg_.addDetail( CPPUNIT_NS::message_to_string(message) ); \ cpputMsg_.addDetail( "Expected: " \ CPPUNIT_GET_PARAMETER_STRING( ExceptionType ) ); \ \ @@ -551,7 +585,7 @@ void assertGreaterEqual( const T& expected, # define CPPUNIT_ASSERT_NO_THROW_MESSAGE( message, expression ) \ do { \ CPPUNIT_NS::Message cpputMsg_( "unexpected exception caught" ); \ - cpputMsg_.addDetail( message ); \ + cpputMsg_.addDetail( CPPUNIT_NS::message_to_string(message) ); \ \ try { \ expression; \ |