u-boot/test/dm/rtc.c
Joe Hershberger e721b882e9 test: Generalize the unit test framework
Separate the ability to define tests and assert status of test functions
from the dm tests so they can be used more consistently throughout all
tests.

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-05-21 09:16:16 -04:00

175 lines
4.8 KiB
C

/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <dm.h>
#include <rtc.h>
#include <asm/io.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
/* Simple RTC sanity check */
static int dm_test_rtc_base(struct unit_test_state *uts)
{
struct udevice *dev;
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_RTC, 2, &dev));
ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev));
return 0;
}
DM_TEST(dm_test_rtc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
static void show_time(const char *msg, struct rtc_time *time)
{
printf("%s: %02d/%02d/%04d %02d:%02d:%02d\n", msg,
time->tm_mday, time->tm_mon, time->tm_year,
time->tm_hour, time->tm_min, time->tm_sec);
}
static int cmp_times(struct rtc_time *expect, struct rtc_time *time, bool show)
{
bool same;
same = expect->tm_sec == time->tm_sec;
same &= expect->tm_min == time->tm_min;
same &= expect->tm_hour == time->tm_hour;
same &= expect->tm_mday == time->tm_mday;
same &= expect->tm_mon == time->tm_mon;
same &= expect->tm_year == time->tm_year;
if (!same && show) {
show_time("expected", expect);
show_time("actual", time);
}
return same ? 0 : -EINVAL;
}
/* Set and get the time */
static int dm_test_rtc_set_get(struct unit_test_state *uts)
{
struct rtc_time now, time, cmp;
struct udevice *dev, *emul;
long offset, old_offset, old_base_time;
ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
ut_assertok(dm_rtc_get(dev, &now));
ut_assertok(device_find_first_child(dev, &emul));
ut_assert(emul != NULL);
/* Tell the RTC to go into manual mode */
old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1);
memset(&time, '\0', sizeof(time));
time.tm_mday = 25;
time.tm_mon = 8;
time.tm_year = 2004;
time.tm_sec = 0;
time.tm_min = 18;
time.tm_hour = 18;
ut_assertok(dm_rtc_set(dev, &time));
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev, &cmp));
ut_assertok(cmp_times(&time, &cmp, true));
/* Increment by 1 second */
offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
sandbox_i2c_rtc_set_offset(emul, false, offset + 1);
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev, &cmp));
ut_asserteq(1, cmp.tm_sec);
/* Check against original offset */
sandbox_i2c_rtc_set_offset(emul, false, old_offset);
ut_assertok(dm_rtc_get(dev, &cmp));
ut_assertok(cmp_times(&now, &cmp, true));
/* Back to the original offset */
sandbox_i2c_rtc_set_offset(emul, false, 0);
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev, &cmp));
ut_assertok(cmp_times(&now, &cmp, true));
/* Increment the base time by 1 emul */
sandbox_i2c_rtc_get_set_base_time(emul, old_base_time + 1);
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev, &cmp));
if (now.tm_sec == 59) {
ut_asserteq(0, cmp.tm_sec);
} else {
ut_asserteq(now.tm_sec + 1, cmp.tm_sec);
}
old_offset = sandbox_i2c_rtc_set_offset(emul, true, 0);
return 0;
}
DM_TEST(dm_test_rtc_set_get, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Reset the time */
static int dm_test_rtc_reset(struct unit_test_state *uts)
{
struct rtc_time now;
struct udevice *dev, *emul;
long old_base_time, base_time;
ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
ut_assertok(dm_rtc_get(dev, &now));
ut_assertok(device_find_first_child(dev, &emul));
ut_assert(emul != NULL);
old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, 0);
ut_asserteq(0, sandbox_i2c_rtc_get_set_base_time(emul, -1));
/* Resetting the RTC should put he base time back to normal */
ut_assertok(dm_rtc_reset(dev));
base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1);
ut_asserteq(old_base_time, base_time);
return 0;
}
DM_TEST(dm_test_rtc_reset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Check that two RTC devices can be used independently */
static int dm_test_rtc_dual(struct unit_test_state *uts)
{
struct rtc_time now1, now2, cmp;
struct udevice *dev1, *dev2;
struct udevice *emul1, *emul2;
long offset;
ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev1));
ut_assertok(dm_rtc_get(dev1, &now1));
ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev2));
ut_assertok(dm_rtc_get(dev2, &now2));
ut_assertok(device_find_first_child(dev1, &emul1));
ut_assert(emul1 != NULL);
ut_assertok(device_find_first_child(dev2, &emul2));
ut_assert(emul2 != NULL);
offset = sandbox_i2c_rtc_set_offset(emul1, false, -1);
sandbox_i2c_rtc_set_offset(emul2, false, offset + 1);
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev2, &cmp));
ut_asserteq(-EINVAL, cmp_times(&now1, &cmp, false));
memset(&cmp, '\0', sizeof(cmp));
ut_assertok(dm_rtc_get(dev1, &cmp));
ut_assertok(cmp_times(&now1, &cmp, true));
return 0;
}
DM_TEST(dm_test_rtc_dual, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);