coreboot-libre-fam15h-rdimm/3rdparty/chromeec/test/rtc.c

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2024-03-04 11:14:53 +01:00
/* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Tests for rtc time conversions
*/
#include "console.h"
#include "common.h"
#include "rtc.h"
#include "test_util.h"
#include "util.h"
/* Known conversion pairs of date and epoch time. */
static struct {
struct calendar_date time;
uint32_t sec;
} test_case[] = {
{{8, 3, 1}, 1204329600},
{{17, 10, 1}, 1506816000},
};
static int calendar_time_comp(struct calendar_date time_1,
struct calendar_date time_2)
{
return (time_1.year == time_2.year &&
time_1.month == time_2.month &&
time_1.day == time_2.day);
}
static int test_time_conversion(void)
{
struct calendar_date time_1;
struct calendar_date time_2;
uint32_t sec;
int i;
/* The seconds elapsed from 01-01-1970 to 01-01-2000 */
sec = SECS_TILL_YEAR_2K;
time_1.year = 0;
time_1.month = 1;
time_1.day = 1;
/* Test from year 2000 to 2050 */
for (i = 0; i <= 50; i++) {
/* Test Jan. 1 */
time_1.year = i;
time_1.month = 1;
time_1.day = 1;
TEST_ASSERT(date_to_sec(time_1) == sec);
time_2 = sec_to_date(sec);
TEST_ASSERT(calendar_time_comp(time_1, time_2));
/* Test the day boundary between Jan. 1 and Jan. 2 */
time_2 = sec_to_date(sec + SECS_PER_DAY - 1);
TEST_ASSERT(calendar_time_comp(time_1, time_2));
time_1.day = 2;
TEST_ASSERT(date_to_sec(time_1) == sec + SECS_PER_DAY);
time_2 = sec_to_date(sec + SECS_PER_DAY);
TEST_ASSERT(calendar_time_comp(time_1, time_2));
/*
* Test the month boundary and leap year:
* Is the 60th day of a year Mar. 1 or Feb. 29?
*/
time_2 = sec_to_date(sec + 59 * SECS_PER_DAY);
if (IS_LEAP_YEAR(i))
TEST_ASSERT(time_2.month == 2 && time_2.day == 29);
else
TEST_ASSERT(time_2.month == 3 && time_2.day == 1);
/* Test the year boundary on Dec. 31 */
sec += SECS_PER_YEAR - (IS_LEAP_YEAR(i) ? 0 : SECS_PER_DAY);
time_1.month = 12;
time_1.day = 31;
TEST_ASSERT(date_to_sec(time_1) == sec);
time_2 = sec_to_date(sec);
TEST_ASSERT(calendar_time_comp(time_1, time_2));
sec += SECS_PER_DAY;
time_2 = sec_to_date(sec - 1);
TEST_ASSERT(calendar_time_comp(time_1, time_2));
}
/* Verify known test cases */
for (i = 0; i < ARRAY_SIZE(test_case); i++) {
TEST_ASSERT(date_to_sec(test_case[i].time) == test_case[i].sec);
time_1 = sec_to_date(test_case[i].sec);
TEST_ASSERT(calendar_time_comp(time_1, test_case[i].time));
}
return EC_SUCCESS;
}
void run_test(void)
{
RUN_TEST(test_time_conversion);
test_print_result();
}