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tests: pm/device_runtime: Test pm_device_runtime_usage

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Add tests covering possible branches in pm_device_runtime_usage()

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2024-05-16 14:13:30 -07:00 • committed by Mahesh Mahadevan
commit 3fb4e70306
1 changed files with 9 additions and 0 deletions
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9
tests/subsys/pm/device_runtime_api/src/main.c
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@ -94,6 +94,7 @@ ZTEST(device_runtime_api, test_api)
/* device is initially suspended */
(void)pm_device_state_get(test_dev, &state);
zassert_equal(state, PM_DEVICE_STATE_SUSPENDED);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
/*** get + put ***/
@ -107,6 +108,7 @@ ZTEST(device_runtime_api, test_api)
/* usage: 1, +1, resume: no */
ret = pm_device_runtime_get(test_dev);
zassert_equal(ret, 0);
zassert_equal(pm_device_runtime_usage(test_dev), 2);
/* usage: 2, -1, suspend: no */
ret = pm_device_runtime_put(test_dev);
@ -118,6 +120,7 @@ ZTEST(device_runtime_api, test_api)
/* usage: 1, -1, suspend: yes */
ret = pm_device_runtime_put(test_dev);
zassert_equal(ret, 0);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
(void)pm_device_state_get(test_dev, &state);
zassert_equal(state, PM_DEVICE_STATE_SUSPENDED);
@ -125,12 +128,14 @@ ZTEST(device_runtime_api, test_api)
/* usage: 0, -1, suspend: no (unbalanced call) */
ret = pm_device_runtime_put(test_dev);
zassert_equal(ret, -EALREADY);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
/*** get + asynchronous put until suspended ***/
/* usage: 0, +1, resume: yes */
ret = pm_device_runtime_get(test_dev);
zassert_equal(ret, 0);
zassert_equal(pm_device_runtime_usage(test_dev), 1);
(void)pm_device_state_get(test_dev, &state);
zassert_equal(state, PM_DEVICE_STATE_ACTIVE);
@ -140,11 +145,13 @@ ZTEST(device_runtime_api, test_api)
/* usage: 1, -1, suspend: yes (queued) */
ret = pm_device_runtime_put_async(test_dev, K_NO_WAIT);
zassert_equal(ret, 0);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
if (IS_ENABLED(CONFIG_TEST_PM_DEVICE_ISR_SAFE)) {
/* In sync mode async put is equivalent as normal put. */
(void)pm_device_state_get(test_dev, &state);
zassert_equal(state, PM_DEVICE_STATE_SUSPENDED);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
} else {
(void)pm_device_state_get(test_dev, &state);
zassert_equal(state, PM_DEVICE_STATE_SUSPENDING);
@ -156,6 +163,7 @@ ZTEST(device_runtime_api, test_api)
/* usage: 0, -1, suspend: no (unbalanced call) */
ret = pm_device_runtime_put_async(test_dev, K_NO_WAIT);
zassert_equal(ret, -EALREADY);
zassert_equal(pm_device_runtime_usage(test_dev), 0);
/* unblock test driver and let it finish */
test_driver_pm_done(test_dev);
@ -250,6 +258,7 @@ ZTEST(device_runtime_api, test_api)
/* Put operation should fail due the state be locked. */
ret = pm_device_runtime_disable(test_dev);
zassert_equal(ret, 0);
zassert_equal(pm_device_runtime_usage(test_dev), -ENOTSUP);
}
DEVICE_DEFINE(pm_unsupported_device, "PM Unsupported", NULL, NULL, NULL, NULL,