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testing/drivertest:fix variable may be negative

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Signed-off-by: yangguangcai <yangguangcai@xiaomi.com>
This commit is contained in:
yangguangcai 2023-03-23 21:55:39 +08:00 committed by Xiang Xiao
parent 126faafb6e
commit ffebcfbb9f
1 changed files with 1 additions and 1 deletions
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testing/drivertest/drivertest_timer.c
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@ -258,7 +258,7 @@ static void test_case_timer(FAR void **state)
tim = get_timestamp(); tim = get_timestamp();
usleep(2 * timer_state->interval); usleep(2 * timer_state->interval);
tim = get_timestamp() - tim; tim = get_timestamp() - tim;
range = timer_state->interval / 1000 - tim; range = abs(timer_state->interval / 1000 - tim);
assert_in_range(range, 0, timer_state->range); assert_in_range(range, 0, timer_state->range);
} }