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trezor-firmware/storage/tests/python/tests/test_helpers.py
2019-04-25 16:50:56 +02:00

14 lines
463 B
Python

from ..src import consts, helpers
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, consts.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, consts.PIN_LOG_SIZE)[56:]