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trezor-firmware/storage/tests/python/tests/test_helpers.py
2024-02-20 09:37:28 +01:00

15 lines
488 B
Python

from ..src import helpers
from ..src.pin_log_bitwise import PIN_LOG_SIZE
def test_read_bytes_by_words():
array = b"\x04\x03\x02\x01\x08\x07\x06\x05"
n = helpers.to_int_by_words(array)
assert n == 0x0102030405060708
assert array == helpers.to_bytes_by_words(n, PIN_LOG_SIZE)[56:]
array = b"\xFF\xFF\xFF\x01\x01\x05\x09\x01"
n = helpers.to_int_by_words(array)
assert n == 0x01FFFFFF01090501
assert array == helpers.to_bytes_by_words(n, PIN_LOG_SIZE)[56:]