Method test_read_truncated

Lib/test/test_zstd.py:1929–1944

(self)

            self.assertRaises(ZstdError, f.read)

    def test_read_truncated(self):
        # Drop stream epilogue: 4 bytes checksum
        truncated = DAT_130K_C[:-4]
        with ZstdFile(io.BytesIO(truncated)) as f:
            self.assertRaises(EOFError, f.read)

        with ZstdFile(io.BytesIO(truncated)) as f:
            # this is an important test, make sure it doesn't raise EOFError.
            self.assertEqual(f.read(130*_1K), DAT_130K_D)
            with self.assertRaises(EOFError):
                f.read(1)

        # Incomplete header
        for i in range(1, 20):
            with ZstdFile(io.BytesIO(truncated[:i])) as f:
                self.assertRaises(EOFError, f.read, 1)

    def test_read_bad_args(self):
        f = ZstdFile(io.BytesIO(COMPRESSED_DAT))