'L{_Frame} instances have the C{f_globals} and C{f_locals} attributes
bound to C{dict} instance.  They also have the C{f_code} attribute
bound to something like a code object.'

def test_fakeFrameAttributes(self):

    frame = failure._Frame('dummyname', 'dummyfilename')
    self.assertIsInstance(frame.f_globals, dict)
    self.assertIsInstance(frame.f_locals, dict)
    self.assertIsInstance(frame.f_code, failure._Code)
