color_test.py 文件源码

def test_arraystruct(self):
        import pygame.tests.test_utils.arrinter as ai
        import ctypes as ct

        c_byte_p = ct.POINTER(ct.c_byte)
        c = pygame.Color(5, 7, 13, 23)
        flags = (ai.PAI_CONTIGUOUS | ai.PAI_FORTRAN |
                 ai.PAI_ALIGNED | ai.PAI_NOTSWAPPED)
        for i in range(1, 5):
            c.set_length(i)
            inter = ai.ArrayInterface(c)
            self.assertEqual(inter.two, 2)
            self.assertEqual(inter.nd, 1)
            self.assertEqual(inter.typekind, 'u')
            self.assertEqual(inter.itemsize, 1)
            self.assertEqual(inter.flags, flags)
            self.assertEqual(inter.shape[0], i)
            self.assertEqual(inter.strides[0], 1)
            data = ct.cast(inter.data, c_byte_p)
            for j in range(i):
                self.assertEqual(data[j], c[j])