Function test_update_auto_chunking

tests/hazmat/primitives/test_ciphers.py:258–270

()

    sys.platform not in {"linux", "darwin"}, reason="mmap required"
)
def test_update_auto_chunking():
    large_data = large_mmap(length=2**29 + 2**20)

    key = b"\x00" * 16
    c = ciphers.Cipher(AES(key), modes.ECB())
    encryptor = c.encryptor()

    result = encryptor.update(memoryview(large_data))
    assert len(result) == len(large_data)

    decryptor = c.decryptor()
    result = decryptor.update(result)
    assert result == large_data[:]