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tests: pm/power_mgmt: Increase test coverage

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Test device API for when a device does not implement device pm.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2024-05-14 13:44:39 -07:00 • committed by Mahesh Mahadevan
commit 7ded97ee85
2 changed files with 46 additions and 0 deletions
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4
tests/subsys/pm/power_mgmt/boards/native_sim.overlay
View file

@ -20,4 +20,8 @@
device_d: device_d {
compatible = "test-device-pm";
};
device_e: device_e {
compatible = "test-device-pm";
};
};

42
tests/subsys/pm/power_mgmt/src/main.c
View file

@ -37,6 +37,19 @@ static const struct device *const device_a =
static const struct device *const device_c =
DEVICE_DT_GET(DT_INST(2, test_device_pm));
/*
* This device does not support PM. It is used to check
* the behavior of the PM subsystem when a device does not
* support PM.
*/
static const struct device *const device_e =
DEVICE_DT_GET(DT_INST(4, test_device_pm));
DEVICE_DT_DEFINE(DT_INST(4, test_device_pm), NULL,
NULL, NULL, NULL,
PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
NULL);
/*
* According with the initialization level, devices A, B and C are
* initialized in the following order A -> B -> C.
@ -443,6 +456,35 @@ ZTEST(power_management_1cpu, test_force_state)
k_sleep(K_SECONDS(1U));
}
ZTEST(power_management_1cpu, test_device_without_pm)
{
pm_device_busy_set(device_e);
/* Since this device does not support PM, it should not be set busy */
zassert_false(pm_device_is_busy(device_e));
/* No device should be busy */
zassert_false(pm_device_is_any_busy());
/* Lets ensure that nothing happens */
pm_device_busy_clear(device_e);
/* Check the status. Since PM is enabled but this device does not support it.
* It should return -ENOSYS
*/
zassert_equal(pm_device_state_get(device_e, NULL), -ENOSYS);
/* Try to forcefully change the state should also return an error */
zassert_equal(pm_device_action_run(device_e, PM_DEVICE_ACTION_SUSPEND), -ENOSYS);
/* Confirming the device is powered */
zassert_true(pm_device_is_powered(device_e));
/* Test wakeup functionality */
zassert_false(pm_device_wakeup_enable(device_e, true));
zassert_false(pm_device_wakeup_is_enabled(device_e));
}
void power_management_1cpu_teardown(void *data)
{
pm_notifier_unregister(&notifier);