arrinter.py 文件源码

def test_byteswapped(self):
        a = Array((1,), 'u', 4, flags=(PAI_ALIGNED | PAI_WRITEABLE))
        ct = a._ctype
        self.assertTrue(ct is not c_uint32)
        if sys.byteorder == 'little':
            self.assertTrue(ct is c_uint32.__ctype_be__)
        else:
            self.assertTrue(ct is c_uint32.__ctype_le__)
        i = 0xa0b0c0d
        n = c_uint32(i)
        a[0] = i
        self.assertEqual(a[0], i)
        self.assertEqual(a._data[0:4],
                         cast(addressof(n), POINTER(c_uint8))[3:-1:-1])