Assert ****** From `Declaring a TestCase, Asserts`_: The first argument is a message and is optionally followed by expected and actual values: .. code-block:: javascript fail([msg]) assertTrue([msg], actual) assertFalse([msg], actual) assertEquals([msg], expected, actual) assertSame([msg], expected, actual) assertNotSame([msg], expected, actual) assertNull([msg], actual) assertNotNull([msg], actual) .. _`Declaring a TestCase, Asserts`: http://code.google.com/p/js-test-driver/wiki/TestCase