313 lines
9.3 KiB
C
313 lines
9.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <inttypes.h>
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#include <rtc.h>
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#include <string.h>
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#include <tests/test.h>
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static void test_rtc_to_tm_from_unix_time(void **state)
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{
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struct rtc_time tm;
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int tim;
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/* Zero-day */
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tim = 0;
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assert_int_equal(0, rtc_to_tm(tim, &tm));
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assert_int_equal(1970, tm.year);
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assert_int_equal(1, tm.mon);
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assert_int_equal(1, tm.mday);
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assert_int_equal(0, tm.hour);
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assert_int_equal(0, tm.min);
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assert_int_equal(0, tm.sec);
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assert_int_equal(4, tm.wday); /* Thursday */
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/* One second from time base */
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tim = 1;
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assert_int_equal(0, rtc_to_tm(tim, &tm));
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assert_int_equal(1970, tm.year);
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assert_int_equal(1, tm.mon);
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assert_int_equal(1, tm.mday);
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assert_int_equal(0, tm.hour);
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assert_int_equal(0, tm.min);
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assert_int_equal(1, tm.sec);
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assert_int_equal(4, tm.wday); /* Thursday */
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/* Full time value */
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tim = INT32_MAX;
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assert_int_equal(0, rtc_to_tm(tim, &tm));
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assert_int_equal(2038, tm.year);
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assert_int_equal(1, tm.mon);
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assert_int_equal(19, tm.mday);
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assert_int_equal(3, tm.hour);
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assert_int_equal(14, tm.min);
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assert_int_equal(7, tm.sec);
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assert_int_equal(2, tm.wday); /* Tuesday */
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/* Other common value */
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tim = 1618484725;
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assert_int_equal(0, rtc_to_tm(tim, &tm));
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assert_int_equal(2021, tm.year);
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assert_int_equal(4, tm.mon);
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assert_int_equal(15, tm.mday);
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assert_int_equal(11, tm.hour);
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assert_int_equal(5, tm.min);
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assert_int_equal(25, tm.sec);
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assert_int_equal(4, tm.wday); /* Thursday */
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/* Negative value - expect incorrect output */
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tim = -1;
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assert_int_equal(0, rtc_to_tm(tim, &tm));
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assert_int_equal(1970, tm.year);
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assert_int_equal(1, tm.mon);
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assert_int_equal(1, tm.mday);
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assert_int_equal(0, tm.hour);
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assert_int_equal(0, tm.min);
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assert_int_equal(-1, tm.sec);
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assert_int_equal(4, tm.wday); /* Thursday */
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}
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static void test_mktime(void **state)
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{
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struct rtc_time tm;
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struct rtc_time tm2;
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memset(&tm, 0, sizeof(tm));
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memset(&tm2, 0, sizeof(tm2));
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/* Epoch start */
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tm = (struct rtc_time){
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.year = 1970, .mon = 1, .mday = 1, .hour = 0, .min = 0, .sec = 0,
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};
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assert_int_equal(0, rtc_mktime(&tm));
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/* Last correct value */
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tm = (struct rtc_time){
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.year = 2038, .mon = 1, .mday = 19, .hour = 3, .min = 14, .sec = 7,
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};
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assert_int_equal(INT32_MAX, rtc_mktime(&tm));
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/* Common non-leap year */
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tm = (struct rtc_time){
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.year = 1999, .mon = 12, .mday = 6, .hour = 16, .min = 13, .sec = 59,
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};
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assert_int_equal(944496839, rtc_mktime(&tm));
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/* Ensure that February 29 gives the same result as March 1 in non-leap year */
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tm = (struct rtc_time){
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.year = 2017, .mon = 2, .mday = 29, .hour = 1, .min = 2, .sec = 3,
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};
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tm2 = (struct rtc_time){
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.year = 2017, .mon = 3, .mday = 1, .hour = 1, .min = 2, .sec = 3,
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};
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assert_int_equal(rtc_mktime(&tm), rtc_mktime(&tm2));
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/* Leap year (only division by 4 rule applies) */
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tm = (struct rtc_time){
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.year = 2004, .mon = 8, .mday = 30, .hour = 13, .min = 45, .sec = 33,
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};
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assert_int_equal(1093873533, rtc_mktime(&tm));
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/* Last day of February in leap year */
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tm.mon = 2;
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tm.mday = 29;
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assert_int_equal(1078062333, rtc_mktime(&tm));
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/* Ensure that February 29 and March 1 have different and correct values
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in leap year */
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tm = (struct rtc_time){
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.year = 2004, .mon = 3, .mday = 1, .hour = 7, .min = 7, .sec = 17,
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};
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tm2 = (struct rtc_time){
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.year = 2004, .mon = 2, .mday = 29, .hour = 7, .min = 7, .sec = 17,
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};
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/* There should be exactly one day of difference */
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assert_int_equal(24 * 60 * 60, rtc_mktime(&tm) - rtc_mktime(&tm2));
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/* Leap year (division by 400 rule applies and division by 100 is excluded) */
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tm = (struct rtc_time){
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.year = 2000, .mon = 6, .mday = 11, .hour = 21, .min = 3, .sec = 6,
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};
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assert_int_equal(960757386, rtc_mktime(&tm));
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tm.mon = 2;
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tm.mday = 29;
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assert_int_equal(951858186, rtc_mktime(&tm));
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tm = (struct rtc_time){
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.year = 2000, .mon = 3, .mday = 1, .hour = 10, .min = 55, .sec = 21,
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};
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tm2 = (struct rtc_time){
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.year = 2000, .mon = 2, .mday = 29, .hour = 10, .min = 55, .sec = 21,
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};
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assert_int_equal(24 * 60 * 60, rtc_mktime(&tm) - rtc_mktime(&tm2));
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}
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static void assert_rtc_time_equal(struct rtc_time *tm1, struct rtc_time *tm2)
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{
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assert_int_equal(tm1->sec, tm2->sec);
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assert_int_equal(tm1->min, tm2->min);
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assert_int_equal(tm1->hour, tm2->hour);
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assert_int_equal(tm1->mday, tm2->mday);
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assert_int_equal(tm1->mon, tm2->mon);
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assert_int_equal(tm1->year, tm2->year);
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assert_int_equal(tm1->wday, tm2->wday);
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}
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/* This test check if combination of rtc_to_tm and rtc_mktime gives result equal to input.
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Week day is ignored by rtc_mktime, but is calculated by rtc_to_tm, so it is included
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in input. */
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static void test_rtc_mktime_with_rtc_to_tm(void **state)
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{
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struct rtc_time tm_in;
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struct rtc_time tm_out;
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int tim;
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memset(&tm_in, 0, sizeof(tm_in));
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memset(&tm_out, 0, sizeof(tm_out));
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/* Conversion from rtc_time to timestamp and back to rtc_time */
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tm_in = (struct rtc_time){
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.year = 1970, .mon = 1, .mday = 1, .hour = 0, .min = 0, .sec = 0, .wday = 4,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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tm_in = (struct rtc_time){
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.year = 2000, .mon = 2, .mday = 29, .hour = 13, .min = 4, .sec = 15, .wday = 2,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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tm_in = (struct rtc_time){
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.year = 2000, .mon = 3, .mday = 1, .hour = 13, .min = 8, .sec = 37, .wday = 3,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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tm_in = (struct rtc_time){
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.year = 2017, .mon = 12, .mday = 7, .hour = 8, .min = 18, .sec = 9, .wday = 4,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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tm_in = (struct rtc_time){
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.year = 2020, .mon = 2, .mday = 29, .hour = 18, .min = 50, .sec = 0, .wday = 6,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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tm_in = (struct rtc_time){
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.year = 2020, .mon = 3, .mday = 1, .hour = 1, .min = 20, .sec = 23, .wday = 0,
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};
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assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
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assert_rtc_time_equal(&tm_in, &tm_out);
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/* Conversion from timestamp to rtc_time and back to timestamp */
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tim = 0;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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tim = INT32_MAX;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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/* 2000-02-29 1:23:34 */
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tim = 951787414;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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/* 2000-03-01 1:23:34 */
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tim = 951873814;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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/* 1999-09-09 9:09:09 */
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tim = 936868149;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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/* 2020-02-29 2:29:02 */
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tim = 1582943342;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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/* 2020-03-01 3:01:03 */
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tim = 1583031663;
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rtc_to_tm(tim, &tm_out);
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assert_int_equal(tim, rtc_mktime(&tm_out));
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}
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static void test_leap_day_secday(void **state)
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{
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const int secday = 60 * 60 * 24;
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struct rtc_time tm_in;
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struct rtc_time tm_out;
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struct rtc_time tm_expected;
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int tim;
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memset(&tm_in, 0, sizeof(tm_in));
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memset(&tm_out, 0, sizeof(tm_out));
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/* Non-leap year */
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tm_in = (struct rtc_time){
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.year = 1999, .mon = 2, .mday = 28, .hour = 5, .min = 37, .sec = 15, .wday = 0,
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};
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tim = rtc_mktime(&tm_in) + secday;
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tm_expected = (struct rtc_time){
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.year = 1999, .mon = 3, .mday = 1, .hour = 5, .min = 37, .sec = 15, .wday = 1,
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};
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assert_int_equal(0, rtc_to_tm(tim, &tm_out));
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assert_rtc_time_equal(&tm_out, &tm_expected);
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/* Leap-year February 28 to February 29 */
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tm_in = (struct rtc_time){
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.year = 2000, .mon = 2, .mday = 28, .hour = 0, .min = 33, .sec = 11, .wday = 1,
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};
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tim = rtc_mktime(&tm_in) + secday;
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tm_expected = (struct rtc_time){
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.year = 2000, .mon = 2, .mday = 29, .hour = 0, .min = 33, .sec = 11, .wday = 2,
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};
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assert_int_equal(0, rtc_to_tm(tim, &tm_out));
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assert_rtc_time_equal(&tm_out, &tm_expected);
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tm_in = (struct rtc_time){
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.year = 2004, .mon = 2, .mday = 28, .hour = 9, .min = 13, .sec = 45, .wday = 6,
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};
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tim = rtc_mktime(&tm_in) + secday;
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tm_expected = (struct rtc_time){
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.year = 2004, .mon = 2, .mday = 29, .hour = 9, .min = 13, .sec = 45, .wday = 0,
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};
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assert_int_equal(0, rtc_to_tm(tim, &tm_out));
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assert_rtc_time_equal(&tm_out, &tm_expected);
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/* Leap-year February 29 to March 1 */
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tm_in = (struct rtc_time){
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.year = 2000, .mon = 2, .mday = 29, .hour = 22, .min = 50, .sec = 25, .wday = 2,
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};
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tim = rtc_mktime(&tm_in) + secday;
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tm_expected = (struct rtc_time){
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.year = 2000, .mon = 3, .mday = 1, .hour = 22, .min = 50, .sec = 25, .wday = 3,
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};
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assert_int_equal(0, rtc_to_tm(tim, &tm_out));
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assert_rtc_time_equal(&tm_out, &tm_expected);
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tm_in = (struct rtc_time){
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.year = 2004, .mon = 2, .mday = 29, .hour = 17, .min = 56, .sec = 27, .wday = 0,
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};
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tim = rtc_mktime(&tm_in) + secday;
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tm_expected = (struct rtc_time){
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.year = 2004, .mon = 3, .mday = 1, .hour = 17, .min = 56, .sec = 27, .wday = 1,
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};
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assert_int_equal(0, rtc_to_tm(tim, &tm_out));
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assert_rtc_time_equal(&tm_out, &tm_expected);
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_rtc_to_tm_from_unix_time),
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cmocka_unit_test(test_mktime),
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cmocka_unit_test(test_rtc_mktime_with_rtc_to_tm),
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cmocka_unit_test(test_leap_day_secday),
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};
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return cb_run_group_tests(tests, NULL, NULL);
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}
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