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tests: drivers: watchdog: wdt_error_cases: Add test scenario

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Add test scenario that verifies correct error code
returned by wdt_setup() when called just after wdt_disable().

Scenario:
- configure WDT timeout;
- start WDT by calling wdt_setup();
- remove all WDT timeouts by calling wdt_disable();
- confirm wdt_setup() returns error code due to lack
  of configured WDT timeouts.

Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>
This commit is contained in:
Sebastian Głąb 2024-05-15 13:16:55 +02:00 • committed by Fabio Baltieri
commit 4041a2507d
1 changed files with 42 additions and 0 deletions
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42
tests/drivers/watchdog/wdt_error_cases/src/main.c
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@ -776,6 +776,48 @@ ZTEST(wdt_coverage, test_08d_wdt_disable_check_timeouts_uninstalled)
zassert_equal(m_test_08d_B_value, 0, "Timeout B has fired while it shouldn't");
}
/**
* @brief Test error code when wdt_setup() is called after wdt_disable()
*
* Confirm that wdt_setup() returns error value or ASSERTION FAIL
* when it's called before any timeout was configured with wdt_install_timeouts().
* All timeouts were uninstalled by calling wdt_disable().
*
*/
ZTEST(wdt_coverage, test_08e_wdt_setup_immediately_after_wdt_disable)
{
int ret;
if (!(WDT_TEST_FLAGS & WDT_DISABLE_SUPPORTED)) {
/* Skip this test because wdt_disable() is NOT supported. */
ztest_test_skip();
}
m_cfg_wdt0.callback = NULL;
m_cfg_wdt0.flags = DEFAULT_FLAGS;
m_cfg_wdt0.window.max = DEFAULT_WINDOW_MAX;
m_cfg_wdt0.window.min = DEFAULT_WINDOW_MIN;
ret = wdt_install_timeout(wdt, &m_cfg_wdt0);
zassert_true(ret >= 0, "Watchdog install error, got unexpected value of %d", ret);
TC_PRINT("Configured WDT channel %d\n", ret);
ret = wdt_setup(wdt, DEFAULT_OPTIONS);
zassert_true(ret == 0, "Watchdog setup error, got unexpected value of %d", ret);
ret = wdt_disable(wdt);
zassert_true(ret == 0, "Watchdog disable error, got unexpected value of %d", ret);
/* Call wdt_setup when no timeouts are configured. */
/* Timeouts were removed by calling wdt_disable(). */
ztest_set_assert_valid(true);
ret = wdt_setup(wdt, DEFAULT_OPTIONS);
zassert_true(ret < 0,
"Calling wdt_setup before installing timeouts should fail, got unexpected "
"value of %d",
ret);
}
/**
* @brief wdt_feed() negative test
*