EasyMock EJBs, unit testing with Cactus empty elements, XML representaton of environment variable $PYTHONPATH errors in unit testing collection by TestResult failures vs. testing expected errors NUnit event handling, GUIs placing in the view typical method in a class implementing a dialog window unit testing of handlers Exception class Exception::Type class exceptions CPPUNIT_TEST_EXCEPTION( ) macro expected, thrown by NUnit test methods thrown by PyUnit tests unit test that fails when exception is thrown ExclusiveZone class ExpectedException attribute ExpectedExceptionTraits class Extreme Programming (XP) Test Driven Development (TDD)