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tests: Add lib/rtc-test test case 

Signed-off-by: Jakub Czapiga <jacz@semihalf.com>
Change-Id: I2062e0d9dc2018bd6d8a210c8d26f2091e8c03fe
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52414
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
This commit is contained in:
Jakub Czapiga 2021-04-15 11:39:13 +02:00 committed by Patrick Georgi
parent 3c20cba289
commit a37c8021a6
2 changed files with 317 additions and 0 deletions
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5
tests/lib/Makefile.inc
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@ -27,6 +27,7 @@ tests-y += uuid-test
tests-y += bootmem-test
tests-y += dimm_info_util-test
tests-y += coreboot_table-test
tests-y += rtc-test
string-test-srcs += tests/lib/string-test.c
string-test-srcs += src/lib/string.c
@ -139,3 +140,7 @@ coreboot_table-test-srcs += src/lib/imd.c
coreboot_table-test-cflags += -I src -I 3rdparty/vboot/firmware/include
coreboot_table-test-cflags += -I tests/include/tests/lib/fmap
coreboot_table-test-mocks += cbmem_top_chipset
rtc-test-srcs += tests/lib/rtc-test.c
rtc-test-srcs += src/lib/rtc.c

312
tests/lib/rtc-test.c Normal file
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@ -0,0 +1,312 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <inttypes.h>
#include <rtc.h>
#include <string.h>
#include <tests/test.h>
static void test_rtc_to_tm_from_unix_time(void **state)
{
struct rtc_time tm;
int tim;
/* Zero-day */
tim = 0;
assert_int_equal(0, rtc_to_tm(tim, &tm));
assert_int_equal(1970, tm.year);
assert_int_equal(1, tm.mon);
assert_int_equal(1, tm.mday);
assert_int_equal(0, tm.hour);
assert_int_equal(0, tm.min);
assert_int_equal(0, tm.sec);
assert_int_equal(4, tm.wday); /* Thursday */
/* One second from time base */
tim = 1;
assert_int_equal(0, rtc_to_tm(tim, &tm));
assert_int_equal(1970, tm.year);
assert_int_equal(1, tm.mon);
assert_int_equal(1, tm.mday);
assert_int_equal(0, tm.hour);
assert_int_equal(0, tm.min);
assert_int_equal(1, tm.sec);
assert_int_equal(4, tm.wday); /* Thursday */
/* Full time value */
tim = INT32_MAX;
assert_int_equal(0, rtc_to_tm(tim, &tm));
assert_int_equal(2038, tm.year);
assert_int_equal(1, tm.mon);
assert_int_equal(19, tm.mday);
assert_int_equal(3, tm.hour);
assert_int_equal(14, tm.min);
assert_int_equal(7, tm.sec);
assert_int_equal(2, tm.wday); /* Tuesday */
/* Other common value */
tim = 1618484725;
assert_int_equal(0, rtc_to_tm(tim, &tm));
assert_int_equal(2021, tm.year);
assert_int_equal(4, tm.mon);
assert_int_equal(15, tm.mday);
assert_int_equal(11, tm.hour);
assert_int_equal(5, tm.min);
assert_int_equal(25, tm.sec);
assert_int_equal(4, tm.wday); /* Thursday */
/* Negative value - expect incorrect output */
tim = -1;
assert_int_equal(0, rtc_to_tm(tim, &tm));
assert_int_equal(1970, tm.year);
assert_int_equal(1, tm.mon);
assert_int_equal(1, tm.mday);
assert_int_equal(0, tm.hour);
assert_int_equal(0, tm.min);
assert_int_equal(-1, tm.sec);
assert_int_equal(4, tm.wday); /* Thursday */
}
static void test_mktime(void **state)
{
struct rtc_time tm;
struct rtc_time tm2;
memset(&tm, 0, sizeof(tm));
memset(&tm2, 0, sizeof(tm2));
/* Epoch start */
tm = (struct rtc_time){
.year = 1970, .mon = 1, .mday = 1, .hour = 0, .min = 0, .sec = 0,
};
assert_int_equal(0, rtc_mktime(&tm));
/* Last correct value */
tm = (struct rtc_time){
.year = 2038, .mon = 1, .mday = 19, .hour = 3, .min = 14, .sec = 7,
};
assert_int_equal(INT32_MAX, rtc_mktime(&tm));
/* Common non-leap year */
tm = (struct rtc_time){
.year = 1999, .mon = 12, .mday = 6, .hour = 16, .min = 13, .sec = 59,
};
assert_int_equal(944496839, rtc_mktime(&tm));
/* Ensure that February 29 gives the same result as March 1 in non-leap year */
tm = (struct rtc_time){
.year = 2017, .mon = 2, .mday = 29, .hour = 1, .min = 2, .sec = 3,
};
tm2 = (struct rtc_time){
.year = 2017, .mon = 3, .mday = 1, .hour = 1, .min = 2, .sec = 3,
};
assert_int_equal(rtc_mktime(&tm), rtc_mktime(&tm2));
/* Leap year (only division by 4 rule applies) */
tm = (struct rtc_time){
.year = 2004, .mon = 8, .mday = 30, .hour = 13, .min = 45, .sec = 33,
};
assert_int_equal(1093873533, rtc_mktime(&tm));
/* Last day of February in leap year */
tm.mon = 2;
tm.mday = 29;
assert_int_equal(1078062333, rtc_mktime(&tm));
/* Ensure that February 29 and March 1 have different different and correct values
in leap year */
tm = (struct rtc_time){
.year = 2004, .mon = 3, .mday = 1, .hour = 7, .min = 7, .sec = 17,
};
tm2 = (struct rtc_time){
.year = 2004, .mon = 2, .mday = 29, .hour = 7, .min = 7, .sec = 17,
};
/* There should be exactly one day of difference */
assert_int_equal(24 * 60 * 60, rtc_mktime(&tm) - rtc_mktime(&tm2));
/* Leap year (division by 400 rule applies and division by 100 is excluded) */
tm = (struct rtc_time){
.year = 2000, .mon = 6, .mday = 11, .hour = 21, .min = 3, .sec = 6,
};
assert_int_equal(960757386, rtc_mktime(&tm));
tm.mon = 2;
tm.mday = 29;
assert_int_equal(951858186, rtc_mktime(&tm));
tm = (struct rtc_time){
.year = 2000, .mon = 3, .mday = 1, .hour = 10, .min = 55, .sec = 21,
};
tm2 = (struct rtc_time){
.year = 2000, .mon = 2, .mday = 29, .hour = 10, .min = 55, .sec = 21,
};
assert_int_equal(24 * 60 * 60, rtc_mktime(&tm) - rtc_mktime(&tm2));
}
static void assert_rtc_time_equal(struct rtc_time *tm1, struct rtc_time *tm2)
{
assert_int_equal(tm1->sec, tm2->sec);
assert_int_equal(tm1->min, tm2->min);
assert_int_equal(tm1->hour, tm2->hour);
assert_int_equal(tm1->mday, tm2->mday);
assert_int_equal(tm1->mon, tm2->mon);
assert_int_equal(tm1->year, tm2->year);
assert_int_equal(tm1->wday, tm2->wday);
}
/* This test check if combination of rtc_to_tm and rtc_mktime gives result equal to input.
Week day is ignored by rtc_mktime, but is calculated by rtc_to_tm, so it is included
in input. */
static void test_rtc_mktime_with_rtc_to_tm(void **state)
{
struct rtc_time tm_in;
struct rtc_time tm_out;
int tim;
memset(&tm_in, 0, sizeof(tm_in));
memset(&tm_out, 0, sizeof(tm_out));
/* Conversion from rtc_time to timestamp and back to rtc_time */
tm_in = (struct rtc_time){
.year = 1970, .mon = 1, .mday = 1, .hour = 0, .min = 0, .sec = 0, .wday = 4
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
tm_in = (struct rtc_time){
.year = 2000, .mon = 2, .mday = 29, .hour = 13, .min = 4, .sec = 15, .wday = 2
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
tm_in = (struct rtc_time){
.year = 2000, .mon = 3, .mday = 1, .hour = 13, .min = 8, .sec = 37, .wday = 3
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
tm_in = (struct rtc_time){
.year = 2017, .mon = 12, .mday = 7, .hour = 8, .min = 18, .sec = 9, .wday = 4
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
tm_in = (struct rtc_time){
.year = 2020, .mon = 2, .mday = 29, .hour = 18, .min = 50, .sec = 0, .wday = 6
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
tm_in = (struct rtc_time){
.year = 2020, .mon = 3, .mday = 1, .hour = 1, .min = 20, .sec = 23, .wday = 0
};
assert_int_equal(0, rtc_to_tm(rtc_mktime(&tm_in), &tm_out));
assert_rtc_time_equal(&tm_in, &tm_out);
/* Conversion from timestamp to rtc_time and back to timestamp */
tim = 0;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
tim = INT32_MAX;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
/* 2000-02-29 1:23:34 */
tim = 951787414;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
/* 2000-03-01 1:23:34 */
tim = 951873814;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
/* 1999-09-09 9:09:09 */
tim = 936868149;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
/* 2020-02-29 2:29:02 */
tim = 1582943342;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
/* 2020-03-01 3:01:03 */
tim = 1583031663;
rtc_to_tm(tim, &tm_out);
assert_int_equal(tim, rtc_mktime(&tm_out));
}
static void test_leap_day_secday(void **state)
{
const int secday = 60 * 60 * 24;
struct rtc_time tm_in;
struct rtc_time tm_out;
struct rtc_time tm_expected;
int tim;
memset(&tm_in, 0, sizeof(tm_in));
memset(&tm_out, 0, sizeof(tm_out));
/* Non-leap year */
tm_in = (struct rtc_time) {
.year = 1999, .mon = 2, .mday = 28, .hour = 5, .min = 37, .sec = 15, .wday = 0
};
tim = rtc_mktime(&tm_in) + secday;
tm_expected = (struct rtc_time) {
.year = 1999, .mon = 3, .mday = 1, .hour = 5, .min = 37, .sec = 15, .wday = 1
};
assert_int_equal(0, rtc_to_tm(tim, &tm_out));
assert_rtc_time_equal(&tm_out, &tm_expected);
/* Leap-year February 28 to February 29 */
tm_in = (struct rtc_time) {
.year = 2000, .mon = 2, .mday = 28, .hour = 0, .min = 33, .sec = 11, .wday = 1,
};
tim = rtc_mktime(&tm_in) + secday;
tm_expected = (struct rtc_time) {
.year = 2000, .mon = 2, .mday = 29, .hour = 0, .min = 33, .sec = 11, .wday = 2,
};
assert_int_equal(0, rtc_to_tm(tim, &tm_out));
assert_rtc_time_equal(&tm_out, &tm_expected);
tm_in = (struct rtc_time) {
.year = 2004, .mon = 2, .mday = 28, .hour = 9, .min = 13, .sec = 45, .wday = 6,
};
tim = rtc_mktime(&tm_in) + secday;
tm_expected = (struct rtc_time) {
.year = 2004, .mon = 2, .mday = 29, .hour = 9, .min = 13, .sec = 45, .wday = 0,
};
assert_int_equal(0, rtc_to_tm(tim, &tm_out));
assert_rtc_time_equal(&tm_out, &tm_expected);
/* Leap-year February 29 to March 1 */
tm_in = (struct rtc_time) {
.year = 2000, .mon = 2, .mday = 29, .hour = 22, .min = 50, .sec = 25, .wday = 2,
};
tim = rtc_mktime(&tm_in) + secday;
tm_expected = (struct rtc_time) {
.year = 2000, .mon = 3, .mday = 1, .hour = 22, .min = 50, .sec = 25, .wday = 3,
};
assert_int_equal(0, rtc_to_tm(tim, &tm_out));
assert_rtc_time_equal(&tm_out, &tm_expected);
tm_in = (struct rtc_time) {
.year = 2004, .mon = 2, .mday = 29, .hour = 17, .min = 56, .sec = 27, .wday = 0,
};
tim = rtc_mktime(&tm_in) + secday;
tm_expected = (struct rtc_time) {
.year = 2004, .mon = 3, .mday = 1, .hour = 17, .min = 56, .sec = 27, .wday = 1,
};
assert_int_equal(0, rtc_to_tm(tim, &tm_out));
assert_rtc_time_equal(&tm_out, &tm_expected);
}
int main(void)
{
const struct CMUnitTest tests[] = {
cmocka_unit_test(test_rtc_to_tm_from_unix_time),
cmocka_unit_test(test_mktime),
cmocka_unit_test(test_rtc_mktime_with_rtc_to_tm),
cmocka_unit_test(test_leap_day_secday),
};
return cmocka_run_group_tests(tests, NULL, NULL);
}