test_lzma.py 文件源码

def test__decode_filter_properties(self):
        with self.assertRaises(TypeError):
            lzma._decode_filter_properties(lzma.FILTER_X86, {"should be": bytes})
        with self.assertRaises(lzma.LZMAError):
            lzma._decode_filter_properties(lzma.FILTER_DELTA, b"too long")

        # Test with parameters used by zipfile module.
        filterspec = lzma._decode_filter_properties(
                lzma.FILTER_LZMA1, b"]\x00\x00\x80\x00")
        self.assertEqual(filterspec["id"], lzma.FILTER_LZMA1)
        self.assertEqual(filterspec["pb"], 2)
        self.assertEqual(filterspec["lp"], 0)
        self.assertEqual(filterspec["lc"], 3)
        self.assertEqual(filterspec["dict_size"], 8 << 20)