pixelarray_test.py 文件源码

def test_as_class (self):
        # Check general new-style class freatures.
        sf = pygame.Surface ((2, 3), 0, 32)
        ar = pygame.PixelArray (sf)
        self.assertRaises (AttributeError, getattr, ar, 'nonnative')
        ar.nonnative = 'value'
        self.assertEqual (ar.nonnative, 'value')
        self.assertTrue ('nonnative' in ar.__dict__)
        r = weakref.ref (ar)
        self.assertTrue (r() is ar)
        del ar
        gc.collect ()
        self.assertTrue (r() is None)

        class C (pygame.PixelArray):
            def __str__ (self):
                return "string (%i, %i)" % self.shape

        ar = C (sf)
        self.assertEqual (str (ar), "string (2, 3)")
        r = weakref.ref (ar)
        self.assertTrue (r() is ar)
        del ar
        gc.collect ()
        self.assertTrue (r() is None)

    # Sequence interfaces