12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- # SPDX-License-Identifier: GPL-2.0
- # Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
- import pytest
- import time
- """
- Note: This test doesn't rely on boardenv_* configuration values but they can
- change test behavior.
- # Setup env__sleep_accurate to False if time is not accurate on your platform
- env__sleep_accurate = False
- # Setup env__sleep_time time in seconds board is set to sleep
- env__sleep_time = 3
- # Setup env__sleep_margin set a margin for any system overhead
- env__sleep_margin = 0.25
- """
- def test_sleep(u_boot_console):
- """Test the sleep command, and validate that it sleeps for approximately
- the correct amount of time."""
- sleep_skip = u_boot_console.config.env.get('env__sleep_accurate', True)
- if not sleep_skip:
- pytest.skip('sleep is not accurate')
- if u_boot_console.config.buildconfig.get('config_cmd_misc', 'n') != 'y':
- pytest.skip('sleep command not supported')
- # 3s isn't too long, but is enough to cross a few second boundaries.
- sleep_time = u_boot_console.config.env.get('env__sleep_time', 3)
- sleep_margin = u_boot_console.config.env.get('env__sleep_margin', 0.25)
- tstart = time.time()
- u_boot_console.run_command('sleep %d' % sleep_time)
- tend = time.time()
- elapsed = tend - tstart
- assert elapsed >= (sleep_time - 0.01)
- if not u_boot_console.config.gdbserver:
- # margin is hopefully enough to account for any system overhead.
- assert elapsed < (sleep_time + sleep_margin)
|