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tests: drivers: can: timing: run CAN timing tests in userspace

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Convert the CAN driver timing calculation tests to run in userspace
where available.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-03-24 22:43:45 +01:00 • committed by Marti Bolivar
commit f633f74e03
2 changed files with 19 additions and 27 deletions
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2
tests/drivers/can/timing/prj.conf
View file

@ -1,3 +1,3 @@
CONFIG_CAN=y
CONFIG_TEST_USERSPACE=y
CONFIG_ZTEST=y
CONFIG_ZTEST_NEW_API=y

44
tests/drivers/can/timing/src/main.c
View file

@ -70,29 +70,12 @@ struct can_timing_tests_fixture {
/**
* @brief CAN timing test fixture instance common to all test cases
*/
static struct can_timing_tests_fixture test_fixture = {
ZTEST_DMEM static struct can_timing_tests_fixture test_fixture = {
.dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_canbus)),
.tests = can_timing_tests,
.test_count = ARRAY_SIZE(can_timing_tests),
};
/**
* @brief CAN timing test setup function
*
* Asserts that the CAN device is ready before starting tests.
*
* @return Pointer to CAN timing test fixture instance
*/
static void *can_timing_test_setup(void)
{
zassert_true(device_is_ready(test_fixture.dev), "CAN device not ready");
printk("testing on device %s\n", test_fixture.dev->name);
return &test_fixture;
}
ZTEST_SUITE(can_timing_tests, NULL, can_timing_test_setup, NULL, NULL, NULL);
/**
* @brief Assert that a CAN timing struct matches the specified bitrate
*
@ -131,9 +114,8 @@ static void assert_bitrate_correct(const struct device *dev, struct can_timing *
*/
static void assert_timing_within_bounds(const struct device *dev, struct can_timing *timing)
{
const struct can_driver_api *api = (const struct can_driver_api *)dev->api;
const struct can_timing *max = &api->timing_max;
const struct can_timing *min = &api->timing_min;
const struct can_timing *max = can_get_timing_max(dev);
const struct can_timing *min = can_get_timing_min(dev);
zassert_true(timing->prop_seg <= max->prop_seg, "prop_seg exceeds max");
zassert_true(timing->phase_seg1 <= max->phase_seg1, "phase_seg1 exceeds max");
@ -199,14 +181,24 @@ static void test_timing_values(const struct device *dev, const struct can_timing
/**
* @brief Test all CAN timing values
*
* @param this Pointer to a CAN timing test fixture
*/
ZTEST_F(can_timing_tests, test_timing)
void test_timing(void)
{
int i;
for (i = 0; i < this->test_count; i++) {
test_timing_values(this->dev, &this->tests[i]);
for (i = 0; i < test_fixture.test_count; i++) {
test_timing_values(test_fixture.dev, &test_fixture.tests[i]);
}
}
void test_main(void)
{
zassert_true(device_is_ready(test_fixture.dev), "CAN device not ready");
printk("testing on device %s\n", test_fixture.dev->name);
k_object_access_grant(test_fixture.dev, k_current_get());
ztest_test_suite(can_timing_tests,
ztest_user_unit_test(test_timing));
ztest_run_test_suite(can_timing_tests);
}