transform_test.py 文件源码

def test_average_surfaces(self):
        """
        """

        SIZE = 32
        s1 = pygame.Surface((SIZE, SIZE))
        s2 = pygame.Surface((SIZE, SIZE))
        s3 = pygame.Surface((SIZE, SIZE))
        s1.fill((10,10,70))
        s2.fill((10,20,70))
        s3.fill((10,130,10))

        surfaces = [s1, s2, s3]
        surfaces = [s1, s2]
        sr = pygame.transform.average_surfaces(surfaces)

        self.assertEqual(sr.get_at((0,0)), (10,15,70,255))


        self.assertRaises(TypeError, pygame.transform.average_surfaces, 1)
        self.assertRaises(TypeError, pygame.transform.average_surfaces, [])

        self.assertRaises(TypeError, pygame.transform.average_surfaces, [1])
        self.assertRaises(TypeError, pygame.transform.average_surfaces, [s1, 1])
        self.assertRaises(TypeError, pygame.transform.average_surfaces, [1, s1])
        self.assertRaises(TypeError, pygame.transform.average_surfaces, [s1, s2, 1])

        self.assertRaises(TypeError, pygame.transform.average_surfaces, (s for s in [s1, s2,s3] ))