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tests: drivers: can: add test of the can_set_state_change_callback() API

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Add simple test of the can_set_state_change_callback() API. It is not
possible to trigger a change of state, but at least test the API call
with and without a callback function.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-04-06 11:27:34 +02:00 • committed by Carles Cufí
commit 203d6f16cf
1 changed files with 23 additions and 0 deletions
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23
tests/drivers/can/api/src/main.c
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@ -592,6 +592,28 @@ static void test_get_core_clock(void)
zassert_not_equal(rate, 0, "CAN core clock rate is 0");
}
/**
* @brief CAN state change callback.
*/
static void state_change_callback(const struct device *dev, enum can_state state,
struct can_bus_err_cnt err_cnt, void *user_data)
{
ARG_UNUSED(dev);
ARG_UNUSED(state);
ARG_UNUSED(err_cnt);
ARG_UNUSED(user_data);
}
/**
* @brief Test setting the CAN state change callback.
*/
static void test_set_state_change_callback(void)
{
/* It is not possible to provoke a change of state, but test the API call */
can_set_state_change_callback(can_dev, state_change_callback, NULL);
can_set_state_change_callback(can_dev, NULL, NULL);
}
/**
* @brief Test setting a too high bitrate.
*/
@ -849,6 +871,7 @@ void test_main(void)
/* Tests without callbacks can run in userspace */
ztest_test_suite(can_api_tests,
ztest_user_unit_test(test_get_core_clock),
ztest_unit_test(test_set_state_change_callback),
ztest_user_unit_test(test_set_bitrate_too_high),
ztest_user_unit_test(test_set_loopback),
ztest_user_unit_test(test_send_and_forget),