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- # Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
- #
- # SPDX-License-Identifier: GPL-2.0
- import pytest
- import time
- def test_sleep(u_boot_console):
- """Test the sleep command, and validate that it sleeps for approximately
- the correct amount of time."""
- 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 = 3
- tstart = time.time()
- u_boot_console.run_command('sleep %d' % sleep_time)
- tend = time.time()
- elapsed = tend - tstart
- assert elapsed >= sleep_time
- if not u_boot_console.config.gdbserver:
- # 0.25s margin is hopefully enough to account for any system overhead.
- assert elapsed < (sleep_time + 0.25)
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