Function test_bytecode_decode_bad_version

xqvm_py/tests/test_program.py:87–98

Unsupported version byte raises ValueError.

()

def test_bytecode_decode_bad_version():
    """Unsupported version byte raises ValueError."""
    import struct
    import zlib

    import pytest

    code = b"\xff"
    crc = zlib.crc32(code) & 0xFFFF_FFFF
    bad_version = b"XQBC" + bytes([99, 0, 0]) + struct.pack(">II", len(code), crc) + code
    with pytest.raises(ValueError, match="unsupported XQBC version 99"):
        program_from_bytecode(bad_version)


def test_bytecode_decode_length_mismatch():