buftools.py 文件源码

 复制代码def test_attributes(self):
        a = Exporter((13, 5, 11, 3), '=h', (440, 88, 8, 2))
        self.assertEqual(a.ndim, 4)
        self.assertEqual(a.itemsize, 2)
        self.assertFalse(a.readonly)
        self.assertEqual(a.shape, (13, 5, 11, 3))
        self.assertEqual(a.format, '=h')
        self.assertEqual(a.strides, (440, 88, 8, 2))
        self.assertEqual(a.len, 4290)
        self.assertEqual(a.buflen, 5720)
        self.assertEqual(a.buf, ctypes.addressof(a._buf))
        a = Exporter((8,))
        self.assertEqual(a.ndim, 1)
        self.assertEqual(a.itemsize, 1)
        self.assertFalse(a.readonly)
        self.assertEqual(a.shape, (8,))
        self.assertEqual(a.format, 'B')
        self.assertTrue(isinstance(a.strides, tuple))
        self.assertEqual(a.strides, (1,))
        self.assertEqual(a.len, 8)
        self.assertEqual(a.buflen, 8)
        a = Exporter([13, 5, 11, 3], '=h', [440, 88, 8, 2])
        self.assertTrue(isinstance(a.shape, tuple))
        self.assertTrue(isinstance(a.strides, tuple))
        self.assertEqual(a.shape, (13, 5, 11, 3))
        self.assertEqual(a.strides, (440, 88, 8, 2))