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tests/test-rtc: test retrieval of unix-time

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This commit is contained in:
Karl Fessel 2023-10-30 17:54:30 +01:00
parent c05200d779
commit 49c219c54c
1 changed files with 34 additions and 0 deletions
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34
tests/unittests/tests-rtc/tests-rtc.c
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@ -224,6 +224,39 @@ static void test_rtc_mktime(void)
TEST_ASSERT_EQUAL_INT(98197931, rtc_mktime(&t));
}
static void test_mktime(void)
{
/* second 1 of 1970 is defined 1 second of unixtime */
struct tm t = {
.tm_sec = 1,
.tm_min = 0,
.tm_hour = 0,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 70,
.tm_wday = 0,
.tm_yday = 1,
};
/* This test will fail if mktime is applying timezone information
* that is not 0 seconds offset from UTC (GMT) and therefore returning unixtime.
* A usual reason for failure might be that nativ is run in a local not "UTC" timezone,
* a "Fix" for this failure is setting the environment variable TZ to "UTC" */
TEST_ASSERT_EQUAL_INT(1, mktime(&t));
t = (struct tm){
.tm_sec = 11,
.tm_min = 12,
.tm_hour = 13,
.tm_mday = 1,
.tm_mon = 0,
.tm_year = 120,
.tm_wday = 0,
.tm_yday = 1,
};
TEST_ASSERT_EQUAL_INT(1577884331, mktime(&t));
}
static void test_rtc_localtime(void)
{
struct tm t;
@ -287,6 +320,7 @@ Test *tests_rtc_tests(void)
new_TestFixture(test_rtc_year),
new_TestFixture(test_rtc_compare),
new_TestFixture(test_rtc_mktime),
new_TestFixture(test_mktime),
new_TestFixture(test_rtc_localtime),
};