tests: kernel: workq: add work_timeout test suite

Add work_timeout test suite which tests the work timeout feature.

Signed-off-by: Bjarki Arge Andreasen <[email protected]>

Author: bjarki-andreasen

tests/kernel/workq/work_timeout/CMakeLists.txt

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(work_timeout)
+
+FILE(GLOB app_sources src/test.c)
+target_sources(app PRIVATE ${app_sources})

tests/kernel/workq/work_timeout/prj.conf

@@ -0,0 +1,3 @@
+CONFIG_ZTEST=y
+CONFIG_WORKQUEUE_WORK_TIMEOUT=y
+CONFIG_SYSTEM_WORKQUEUE_WORK_TIMEOUT_MS=1000

tests/kernel/workq/work_timeout/src/test.c

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2025 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/ztest.h>
+
+#define TEST_SYS_WORKQ_WORK_TIMEOUT_MS \
+	(CONFIG_SYSTEM_WORKQUEUE_WORK_TIMEOUT_MS)
+
+#define TEST_SYS_WORKQ_WORK_TIMEOUT_TOLERANCE_MS \
+	(TEST_SYS_WORKQ_WORK_TIMEOUT_MS / 10)
+
+#define TEST_SYS_WORKQ_WORK_TIMEOUT_PRE_SLEEP_MS \
+	(TEST_SYS_WORKQ_WORK_TIMEOUT_MS - TEST_SYS_WORKQ_WORK_TIMEOUT_TOLERANCE_MS)
+
+#define TEST_SYS_WORKQ_WORK_TIMEOUT_POST_SLEEP_MS \
+	(TEST_SYS_WORKQ_WORK_TIMEOUT_TOLERANCE_MS * 2)
+
+#define TEST_SYS_WORKQ_WORK_TIMEOUT_UNBLOCK_SLEEP_MS \
+	(TEST_SYS_WORKQ_WORK_TIMEOUT_TOLERANCE_MS)
+
+static K_SEM_DEFINE(test_sem, 0, 1);
+
+static void test_sys_work_handler(struct k_work *work)
+{
+	k_sem_take(&test_sem, K_FOREVER);
+}
+
+static K_WORK_DEFINE(test_sys_work, test_sys_work_handler);
+
+ZTEST(work_timeout, test_system_workqueue)
+{
+	zassert_false(k_sys_work_queue_is_blocked());
+	k_work_submit(&test_sys_work);
+	k_msleep(TEST_SYS_WORKQ_WORK_TIMEOUT_PRE_SLEEP_MS);
+	zassert_false(k_sys_work_queue_is_blocked());
+	k_msleep(TEST_SYS_WORKQ_WORK_TIMEOUT_POST_SLEEP_MS);
+	zassert_true(k_sys_work_queue_is_blocked());
+	k_sem_give(&test_sem);
+	k_msleep(TEST_SYS_WORKQ_WORK_TIMEOUT_UNBLOCK_SLEEP_MS);
+	zassert_false(k_sys_work_queue_is_blocked());
+}
+
+ZTEST_SUITE(work_timeout, NULL, NULL, NULL, NULL, NULL);

tests/kernel/workq/work_timeout/testcase.yaml

@@ -0,0 +1,7 @@
+tests:
+  kernel.workqueue.work_timeout:
+    min_flash: 34
+    tags: kernel
+    # this platform fails to run due to #40376, all
+    # the related CI checks got blocked, so exclude it.
+    platform_exclude: hifive1