Method test_decompress_limited

Lib/test/test_lzma.py:1078–1087

Decompressed data buffering should be limited

(self)

            self.assertListEqual(f.readlines(), lines)

    def test_decompress_limited(self):
        """Decompressed data buffering should be limited"""
        bomb = lzma.compress(b'\0' * int(2e6), preset=6)
        self.assertLess(len(bomb), _streams.BUFFER_SIZE)

        decomp = LZMAFile(BytesIO(bomb))
        self.assertEqual(decomp.read(1), b'\0')
        max_decomp = 1 + DEFAULT_BUFFER_SIZE
        self.assertLessEqual(decomp._buffer.raw.tell(), max_decomp,
            "Excessive amount of data was decompressed")

    def test_write(self):
        with BytesIO() as dst: