def testForward(self):
        class FW(AttributeForwarder):
            attributes = ['forward']

        class Target(object):
            forward = 'foo'

        target = Target()
        f = FW(target)
        self.assertEqual(f.target, target)
        self.assertEqual(f.forward, 'foo')
        f.forward = 'bar'
        self.assertEqual(target.forward, 'bar')
        self.assertEqual(f.forward, 'bar')