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tests/net/gnrc_sixlowpan_frag_sfr_congure: work around bug in test

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The test following test is flaky:

    TEST_ASSERT(msg->send_time > 0U);

It assumes that 0 as time is indicating the time is invalid. But on
`native`, the time will be zero for the first millisecond the test
is launched. Before the interactive sync caused seemingly a reliable
delay of at least one milli second, but this no longer is the case.

This works around the bug by just waiting at the start of the test
until the time is no longer zero, possibly spinning for one millisecond.
This commit is contained in:
Marian Buschsieweke 2024-11-08 20:52:14 +01:00
parent cedfb63a88
commit 77b6264da1
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1 changed files with 4 additions and 0 deletions
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tests/net/gnrc_sixlowpan_frag_sfr_congure/main.c
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@ -802,6 +802,10 @@ int main(void)
{
_tests_init();
/* work around issue in _check_congure_snd_msg(): the assert for
* time > o will not work when the time is 0 */
while (xtimer_now_usec() / US_PER_MS == 0) { }
TESTS_START();
TESTS_RUN(tests_gnrc_sixlowpan_frag_sfr_congure_integration());
TESTS_END();