#!/usr/bin/env python3

# Copyright (C) 2019 Benjamin Valentin
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.

import sys
from testrunner import run


PRECISION = 1.002


def testfunc(child):
    child.expect_exact("puts with disabled interrupts and a full transmit buffer")
    child.expect(r'== printed in (\d+)/(\d+) µs ==')
    time_actual = int(child.match.group(1))
    time_expect = int(child.match.group(2))

    assert time_actual / time_expect < PRECISION

    child.expect_exact("[SUCCESS]")


if __name__ == "__main__":
    sys.exit(run(testfunc))
