Function test_bytecode_decode_length_mismatch

xqvm_py/tests/test_program.py:101–113

Payload shorter than code_len raises ValueError.

()

def test_bytecode_decode_length_mismatch():
    """Payload shorter than code_len raises ValueError."""
    import struct
    import zlib

    import pytest

    code = b"\xff"
    crc = zlib.crc32(code) & 0xFFFF_FFFF
    # Claim code_len=5 but provide only 1 byte.
    bad_len = b"XQBC" + bytes([1, 0, 0]) + struct.pack(">II", 5, crc) + code
    with pytest.raises(ValueError, match="length mismatch"):
        program_from_bytecode(bad_len)


def test_bytecode_decode_crc_mismatch():