tests/kernel/msgq/msgq_api/src/test_msgq_contexts.c - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) 2016 Intel Corporation
  *
  * SPDX-License-Identifier: Apache-2.0
  */

 #include "test_msgq.h"

 /**TESTPOINT: init via K_MSGQ_DEFINE*/
 K_MSGQ_DEFINE(kmsgq, MSG_SIZE, MSGQ_LEN, 4);
 K_MSGQ_DEFINE(kmsgq_test_alloc, MSG_SIZE, MSGQ_LEN, 4);
 struct k_msgq msgq;
 struct k_msgq msgq1;
 K_THREAD_STACK_DEFINE(tstack, STACK_SIZE);
 K_THREAD_STACK_DEFINE(tstack1, STACK_SIZE);
 K_THREAD_STACK_DEFINE(tstack2, STACK_SIZE);
 struct k_thread tdata;
 struct k_thread tdata1;
 struct k_thread tdata2;
 static ZTEST_BMEM char __aligned(4) tbuffer[MSG_SIZE * MSGQ_LEN];
 static ZTEST_DMEM char __aligned(4) tbuffer1[MSG_SIZE];
 static ZTEST_DMEM uint32_t data[MSGQ_LEN] = { MSG0, MSG1 };
 struct k_sem end_sema;

 static void put_msgq(struct k_msgq *pmsgq)
 {
 	int ret;
 	uint32_t read_data;

 	for (int i = 0; i < MSGQ_LEN; i++) {
 		ret = k_msgq_put(pmsgq, (void *)&data[i], K_NO_WAIT);
 		zassert_equal(ret, 0);

 		/**TESTPOINT: Check if k_msgq_peek reads msgq
 		 * in FIFO manner.
 		 * Everytime msg is enqueued, msg read should
 		 * always be the first message
 		 */
 		zassert_equal(k_msgq_peek(pmsgq, &read_data), 0);
 		zassert_equal(read_data, data[0]);

 		/**TESTPOINT: msgq free get*/
 		zassert_equal(k_msgq_num_free_get(pmsgq),
 				MSGQ_LEN - 1 - i, NULL);
 		/**TESTPOINT: msgq used get*/
 		zassert_equal(k_msgq_num_used_get(pmsgq), i + 1);
 	}
 }

 static void get_msgq(struct k_msgq *pmsgq)
 {
 	uint32_t rx_data, read_data;
 	int ret;

 	for (int i = 0; i < MSGQ_LEN; i++) {
 		zassert_equal(k_msgq_peek(pmsgq, &read_data), 0);

 		ret = k_msgq_get(pmsgq, &rx_data, K_FOREVER);
 		zassert_equal(ret, 0);
 		zassert_equal(rx_data, data[i]);

 		/**TESTPOINT: Check if msg read is the msg deleted*/
 		zassert_equal(read_data, rx_data);
 		/**TESTPOINT: msgq free get*/
 		zassert_equal(k_msgq_num_free_get(pmsgq), i + 1);
 		/**TESTPOINT: msgq used get*/
 		zassert_equal(k_msgq_num_used_get(pmsgq),
 				MSGQ_LEN - 1 - i, NULL);
 	}
 }

 static void purge_msgq(struct k_msgq *pmsgq)
 {
 	uint32_t read_data;

 	k_msgq_purge(pmsgq);
 	zassert_equal(k_msgq_num_free_get(pmsgq), MSGQ_LEN);
 	zassert_equal(k_msgq_num_used_get(pmsgq), 0);
 	zassert_equal(k_msgq_peek(pmsgq, &read_data), -ENOMSG);
 }

 static void tisr_entry(const void *p)
 {
 	put_msgq((struct k_msgq *)p);
 }

 static void thread_entry(void *p1, void *p2, void *p3)
 {
 	get_msgq((struct k_msgq *)p1);
 	k_sem_give(&end_sema);
 }

 static void msgq_thread(struct k_msgq *pmsgq)
 {
 	/**TESTPOINT: thread-thread data passing via message queue*/
 	put_msgq(pmsgq);
 	k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
 				      thread_entry, pmsgq, NULL, NULL,
 				      K_PRIO_PREEMPT(0),
 				      K_USER | K_INHERIT_PERMS, K_NO_WAIT);
 	k_sem_take(&end_sema, K_FOREVER);
 	k_thread_abort(tid);

 	/**TESTPOINT: msgq purge*/
 	purge_msgq(pmsgq);
 }

 static void thread_entry_overflow(void *p1, void *p2, void *p3)
 {
 	int ret;

 	uint32_t rx_buf[MSGQ_LEN];

 	ret = k_msgq_get(p1, &rx_buf[0], K_FOREVER);

 	zassert_equal(ret, 0);

 	ret = k_msgq_get(p1, &rx_buf[1], K_FOREVER);

 	zassert_equal(ret, 0);

 	k_sem_give(&end_sema);
 }

 static void msgq_thread_overflow(struct k_msgq *pmsgq)
 {
 	int ret;

 	ret = k_msgq_put(pmsgq, (void *)&data[0], K_FOREVER);

 	zassert_equal(ret, 0);

 	/**TESTPOINT: thread-thread data passing via message queue*/
 	k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
 				      thread_entry_overflow, pmsgq, NULL, NULL,
 				      K_PRIO_PREEMPT(0),
 				      K_USER | K_INHERIT_PERMS, K_NO_WAIT);

 	ret = k_msgq_put(pmsgq, (void *)&data[1], K_FOREVER);

 	zassert_equal(ret, 0);

 	k_sem_take(&end_sema, K_FOREVER);
 	k_thread_abort(tid);

 	/**TESTPOINT: msgq purge*/
 	k_msgq_purge(pmsgq);
 }

 static void msgq_isr(struct k_msgq *pmsgq)
 {
 	/**TESTPOINT: thread-isr data passing via message queue*/
 	irq_offload(tisr_entry, (const void *)pmsgq);
 	get_msgq(pmsgq);

 	/**TESTPOINT: msgq purge*/
 	purge_msgq(pmsgq);
 }

 static void thread_entry_get_data(void *p1, void *p2, void *p3)
 {
 	static uint32_t rx_buf[MSGQ_LEN];
 	int i = 0;

 	while (k_msgq_get(p1, &rx_buf[i], K_NO_WAIT) != 0) {
 		++i;
 	}

 	k_sem_give(&end_sema);
 }

 static void pend_thread_entry(void *p1, void *p2, void *p3)
 {
 	int ret;

 	ret = k_msgq_put(p1, &data[1], TIMEOUT);
 	zassert_equal(ret, 0);
 }

 static void msgq_thread_data_passing(struct k_msgq *pmsgq)
 {
 	while (k_msgq_put(pmsgq, &data[0], K_NO_WAIT) != 0) {
 	}

 	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
 					pend_thread_entry, pmsgq, NULL,
 					NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT);

 	k_tid_t tid1 = k_thread_create(&tdata1, tstack1, STACK_SIZE,
 					thread_entry_get_data, pmsgq, NULL,
 					NULL, K_PRIO_PREEMPT(1), 0, K_NO_WAIT);

 	k_sem_take(&end_sema, K_FOREVER);
 	k_thread_abort(tid);
 	k_thread_abort(tid1);

 	/**TESTPOINT: msgq purge*/
 	k_msgq_purge(pmsgq);
 }

 static void get_empty_entry(void *p1, void *p2, void *p3)
 {
 	int ret;
 	static uint32_t rx_buf[MSGQ_LEN];

 	/* make sure there is no message in the queue */
 	ret = k_msgq_peek(p1, rx_buf);
 	zassert_equal(ret, -ENOMSG, "Peek message from empty queue");

 	ret = k_msgq_get(p1, rx_buf, K_NO_WAIT);
 	zassert_equal(ret, -ENOMSG, "Got message from empty queue");

 	/* blocked to TIMEOUT */
 	ret = k_msgq_get(p1, rx_buf, TIMEOUT);
 	zassert_equal(ret, -EAGAIN, "Got message from empty queue");

 	k_sem_give(&end_sema);
 	/* blocked forever */
 	ret = k_msgq_get(p1, rx_buf, K_FOREVER);
 	zassert_equal(ret, 0);
 }

 static void put_full_entry(void *p1, void *p2, void *p3)
 {
 	int ret;

 	/* make sure the queue is full */
 	zassert_equal(k_msgq_num_free_get(p1), 0);
 	zassert_equal(k_msgq_num_used_get(p1), 1);

 	ret = k_msgq_put(p1, &data[1], K_NO_WAIT);
 	zassert_equal(ret, -ENOMSG, "Put message to full queue");

 	/* blocked to TIMEOUT */
 	ret = k_msgq_put(p1, &data[1], TIMEOUT);
 	zassert_equal(ret, -EAGAIN, "Put message to full queue");

 	k_sem_give(&end_sema);
 	/* blocked forever */
 	ret = k_msgq_put(p1, &data[1], K_FOREVER);
 	zassert_equal(ret, 0);
 }

 /**
  * @addtogroup kernel_message_queue_tests
  * @{
  */

 /**
  * @brief Test thread to thread data passing via message queue
  * @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST(msgq_api_1cpu, test_msgq_thread)
 {
 	int ret;

 	/**TESTPOINT: init via k_msgq_init*/
 	k_msgq_init(&msgq, tbuffer, MSG_SIZE, MSGQ_LEN);
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	msgq_thread(&msgq);
 	msgq_thread(&kmsgq);
 }

 /**
  * @brief Test thread to thread data passing via message queue
  * @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST(msgq_api, test_msgq_thread_overflow)
 {
 	int ret;

 	/**TESTPOINT: init via k_msgq_init*/
 	k_msgq_init(&msgq, tbuffer, MSG_SIZE, 2);
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	ret = k_msgq_put(&msgq, (void *)&data[0], K_FOREVER);
 	zassert_equal(ret, 0);

 	msgq_thread_overflow(&msgq);
 	msgq_thread_overflow(&kmsgq);

 	/*verify the write pointer not reset to the buffer start*/
 	zassert_false(msgq.write_ptr == msgq.buffer_start,
 		"Invalid add operation of message queue");
 }

 #ifdef CONFIG_USERSPACE
 /**
  * @brief Test user thread to kernel thread data passing via message queue
  * @see k_msgq_alloc_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST_USER(msgq_api, test_msgq_user_thread)
 {
 	struct k_msgq *q;
 	int ret;

 	q = k_object_alloc(K_OBJ_MSGQ);
 	zassert_not_null(q, "couldn't alloc message queue");
 	zassert_false(k_msgq_alloc_init(q, MSG_SIZE, MSGQ_LEN));
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	msgq_thread(q);
 }

 /**
  * @brief Test thread to thread data passing via message queue
  * @see k_msgq_alloc_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST_USER(msgq_api, test_msgq_user_thread_overflow)
 {
 	struct k_msgq *q;
 	int ret;

 	q = k_object_alloc(K_OBJ_MSGQ);
 	zassert_not_null(q, "couldn't alloc message queue");
 	zassert_false(k_msgq_alloc_init(q, MSG_SIZE, 1));
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	msgq_thread_overflow(q);
 }
 #endif /* CONFIG_USERSPACE */

 /**
  * @brief Test thread to isr data passing via message queue
  * @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST(msgq_api, test_msgq_isr)
 {
 	static struct k_msgq stack_msgq;

 	/**TESTPOINT: init via k_msgq_init*/
 	k_msgq_init(&stack_msgq, tbuffer, MSG_SIZE, MSGQ_LEN);

 	msgq_isr(&stack_msgq);
 	msgq_isr(&kmsgq);
 }

 /**
  * @brief Test pending writer in msgq
  * @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
  */
 ZTEST(msgq_api_1cpu, test_msgq_pend_thread)
 {
 	int ret;

 	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	msgq_thread_data_passing(&msgq1);
 }

 /**
  * @brief Test k_msgq_alloc_init()
  * @details Initialization and buffer allocation for msgq from resource
  * pool with various parameters
  * @see k_msgq_alloc_init(), k_msgq_cleanup()
  */
 ZTEST(msgq_api, test_msgq_alloc)
 {
 	int ret;

 	k_msgq_alloc_init(&kmsgq_test_alloc, MSG_SIZE, MSGQ_LEN);
 	msgq_isr(&kmsgq_test_alloc);
 	k_msgq_cleanup(&kmsgq_test_alloc);

 	/** Requesting buffer allocation from the test pool.*/
 	ret = k_msgq_alloc_init(&kmsgq_test_alloc, MSG_SIZE * 128, MSGQ_LEN);
 	zassert_true(ret == -ENOMEM,
 		"resource pool is smaller then requested buffer");

 	/* Requesting a huge size of MSG to validate overflow*/
 	ret = k_msgq_alloc_init(&kmsgq_test_alloc, OVERFLOW_SIZE_MSG, MSGQ_LEN);
 	zassert_true(ret == -EINVAL, "Invalid request");
 }

 /**
  * @brief Get message from an empty queue
  *
  * @details
  * - A thread get message from an empty message queue will get a -ENOMSG if
  *   timeout is set to K_NO_WAIT
  * - A thread get message from an empty message queue will be blocked if timeout
  *   is set to a positive value or K_FOREVER
  *
  * @see k_msgq_get()
  */
 ZTEST(msgq_api_1cpu, test_msgq_empty)
 {
 	int pri = k_thread_priority_get(k_current_get()) - 1;
 	int ret;

 	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
 				      get_empty_entry, &msgq1, NULL,
 				      NULL, pri, 0, K_NO_WAIT);

 	k_sem_take(&end_sema, K_FOREVER);
 	/* that getting thread is being blocked now */
 	zassert_equal(tid->base.thread_state, _THREAD_PENDING);
 	/* since there is a thread is waiting for message, this queue
 	 * can't be cleanup
 	 */
 	ret = k_msgq_cleanup(&msgq1);
 	zassert_equal(ret, -EBUSY);

 	/* put a message to wake that getting thread */
 	ret = k_msgq_put(&msgq1, &data[0], K_NO_WAIT);
 	zassert_equal(ret, 0);

 	k_thread_abort(tid);
 }

 /**
  * @brief Put message to a full queue
  *
  * @details
  * - A thread put message to a full message queue will get a -ENOMSG if
  *   timeout is set to K_NO_WAIT
  * - A thread put message to a full message queue will be blocked if timeout
  *   is set to a positive value or K_FOREVER
  *
  * @see k_msgq_put()
  */
 ZTEST(msgq_api_1cpu, test_msgq_full)
 {
 	int pri = k_thread_priority_get(k_current_get()) - 1;
 	int ret;

 	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
 	ret = k_sem_init(&end_sema, 0, 1);
 	zassert_equal(ret, 0);

 	ret = k_msgq_put(&msgq1, &data[0], K_NO_WAIT);
 	zassert_equal(ret, 0);

 	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
 					put_full_entry, &msgq1, NULL,
 					NULL, pri, 0, K_NO_WAIT);
 	k_sem_take(&end_sema, K_FOREVER);
 	/* that putting thread is being blocked now */
 	zassert_equal(tid->base.thread_state, _THREAD_PENDING);
 	k_thread_abort(tid);
 }

 /**
  * @}
  */
	/*
	* Copyright (c) 2016 Intel Corporation
	*
	* SPDX-License-Identifier: Apache-2.0
	*/

	#include "test_msgq.h"

	/*TESTPOINT: init via K_MSGQ_DEFINE/
	K_MSGQ_DEFINE(kmsgq, MSG_SIZE, MSGQ_LEN, 4);
	K_MSGQ_DEFINE(kmsgq_test_alloc, MSG_SIZE, MSGQ_LEN, 4);
	struct k_msgq msgq;
	struct k_msgq msgq1;
	K_THREAD_STACK_DEFINE(tstack, STACK_SIZE);
	K_THREAD_STACK_DEFINE(tstack1, STACK_SIZE);
	K_THREAD_STACK_DEFINE(tstack2, STACK_SIZE);
	struct k_thread tdata;
	struct k_thread tdata1;
	struct k_thread tdata2;
	static ZTEST_BMEM char __aligned(4) tbuffer[MSG_SIZE * MSGQ_LEN];
	static ZTEST_DMEM char __aligned(4) tbuffer1[MSG_SIZE];
	static ZTEST_DMEM uint32_t data[MSGQ_LEN] = { MSG0, MSG1 };
	struct k_sem end_sema;

	static void put_msgq(struct k_msgq *pmsgq)
	{
	int ret;
	uint32_t read_data;

	for (int i = 0; i < MSGQ_LEN; i++) {
	ret = k_msgq_put(pmsgq, (void *)&data[i], K_NO_WAIT);
	zassert_equal(ret, 0);

	/**TESTPOINT: Check if k_msgq_peek reads msgq
	* in FIFO manner.
	* Everytime msg is enqueued, msg read should
	* always be the first message
	*/
	zassert_equal(k_msgq_peek(pmsgq, &read_data), 0);
	zassert_equal(read_data, data[0]);

	/*TESTPOINT: msgq free get/
	zassert_equal(k_msgq_num_free_get(pmsgq),
	MSGQ_LEN - 1 - i, NULL);
	/*TESTPOINT: msgq used get/
	zassert_equal(k_msgq_num_used_get(pmsgq), i + 1);
	}
	}

	static void get_msgq(struct k_msgq *pmsgq)
	{
	uint32_t rx_data, read_data;
	int ret;

	for (int i = 0; i < MSGQ_LEN; i++) {
	zassert_equal(k_msgq_peek(pmsgq, &read_data), 0);

	ret = k_msgq_get(pmsgq, &rx_data, K_FOREVER);
	zassert_equal(ret, 0);
	zassert_equal(rx_data, data[i]);

	/*TESTPOINT: Check if msg read is the msg deleted/
	zassert_equal(read_data, rx_data);
	/*TESTPOINT: msgq free get/
	zassert_equal(k_msgq_num_free_get(pmsgq), i + 1);
	/*TESTPOINT: msgq used get/
	zassert_equal(k_msgq_num_used_get(pmsgq),
	MSGQ_LEN - 1 - i, NULL);
	}
	}

	static void purge_msgq(struct k_msgq *pmsgq)
	{
	uint32_t read_data;

	k_msgq_purge(pmsgq);
	zassert_equal(k_msgq_num_free_get(pmsgq), MSGQ_LEN);
	zassert_equal(k_msgq_num_used_get(pmsgq), 0);
	zassert_equal(k_msgq_peek(pmsgq, &read_data), -ENOMSG);
	}

	static void tisr_entry(const void *p)
	{
	put_msgq((struct k_msgq *)p);
	}

	static void thread_entry(void p1, void p2, void *p3)
	{
	get_msgq((struct k_msgq *)p1);
	k_sem_give(&end_sema);
	}

	static void msgq_thread(struct k_msgq *pmsgq)
	{
	/*TESTPOINT: thread-thread data passing via message queue/
	put_msgq(pmsgq);
	k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
	thread_entry, pmsgq, NULL, NULL,
	K_PRIO_PREEMPT(0),
	K_USER \| K_INHERIT_PERMS, K_NO_WAIT);
	k_sem_take(&end_sema, K_FOREVER);
	k_thread_abort(tid);

	/*TESTPOINT: msgq purge/
	purge_msgq(pmsgq);
	}

	static void thread_entry_overflow(void p1, void p2, void *p3)
	{
	int ret;

	uint32_t rx_buf[MSGQ_LEN];

	ret = k_msgq_get(p1, &rx_buf[0], K_FOREVER);

	zassert_equal(ret, 0);

	ret = k_msgq_get(p1, &rx_buf[1], K_FOREVER);

	zassert_equal(ret, 0);

	k_sem_give(&end_sema);
	}

	static void msgq_thread_overflow(struct k_msgq *pmsgq)
	{
	int ret;

	ret = k_msgq_put(pmsgq, (void *)&data[0], K_FOREVER);

	zassert_equal(ret, 0);

	/*TESTPOINT: thread-thread data passing via message queue/
	k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
	thread_entry_overflow, pmsgq, NULL, NULL,
	K_PRIO_PREEMPT(0),
	K_USER \| K_INHERIT_PERMS, K_NO_WAIT);

	ret = k_msgq_put(pmsgq, (void *)&data[1], K_FOREVER);

	zassert_equal(ret, 0);

	k_sem_take(&end_sema, K_FOREVER);
	k_thread_abort(tid);

	/*TESTPOINT: msgq purge/
	k_msgq_purge(pmsgq);
	}

	static void msgq_isr(struct k_msgq *pmsgq)
	{
	/*TESTPOINT: thread-isr data passing via message queue/
	irq_offload(tisr_entry, (const void *)pmsgq);
	get_msgq(pmsgq);

	/*TESTPOINT: msgq purge/
	purge_msgq(pmsgq);
	}

	static void thread_entry_get_data(void p1, void p2, void *p3)
	{
	static uint32_t rx_buf[MSGQ_LEN];
	int i = 0;

	while (k_msgq_get(p1, &rx_buf[i], K_NO_WAIT) != 0) {
	++i;
	}

	k_sem_give(&end_sema);
	}

	static void pend_thread_entry(void p1, void p2, void *p3)
	{
	int ret;

	ret = k_msgq_put(p1, &data[1], TIMEOUT);
	zassert_equal(ret, 0);
	}

	static void msgq_thread_data_passing(struct k_msgq *pmsgq)
	{
	while (k_msgq_put(pmsgq, &data[0], K_NO_WAIT) != 0) {
	}

	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
	pend_thread_entry, pmsgq, NULL,
	NULL, K_PRIO_PREEMPT(0), 0, K_NO_WAIT);

	k_tid_t tid1 = k_thread_create(&tdata1, tstack1, STACK_SIZE,
	thread_entry_get_data, pmsgq, NULL,
	NULL, K_PRIO_PREEMPT(1), 0, K_NO_WAIT);

	k_sem_take(&end_sema, K_FOREVER);
	k_thread_abort(tid);
	k_thread_abort(tid1);

	/*TESTPOINT: msgq purge/
	k_msgq_purge(pmsgq);
	}

	static void get_empty_entry(void p1, void p2, void *p3)
	{
	int ret;
	static uint32_t rx_buf[MSGQ_LEN];

	/* make sure there is no message in the queue */
	ret = k_msgq_peek(p1, rx_buf);
	zassert_equal(ret, -ENOMSG, "Peek message from empty queue");

	ret = k_msgq_get(p1, rx_buf, K_NO_WAIT);
	zassert_equal(ret, -ENOMSG, "Got message from empty queue");

	/* blocked to TIMEOUT */
	ret = k_msgq_get(p1, rx_buf, TIMEOUT);
	zassert_equal(ret, -EAGAIN, "Got message from empty queue");

	k_sem_give(&end_sema);
	/* blocked forever */
	ret = k_msgq_get(p1, rx_buf, K_FOREVER);
	zassert_equal(ret, 0);
	}

	static void put_full_entry(void p1, void p2, void *p3)
	{
	int ret;

	/* make sure the queue is full */
	zassert_equal(k_msgq_num_free_get(p1), 0);
	zassert_equal(k_msgq_num_used_get(p1), 1);

	ret = k_msgq_put(p1, &data[1], K_NO_WAIT);
	zassert_equal(ret, -ENOMSG, "Put message to full queue");

	/* blocked to TIMEOUT */
	ret = k_msgq_put(p1, &data[1], TIMEOUT);
	zassert_equal(ret, -EAGAIN, "Put message to full queue");

	k_sem_give(&end_sema);
	/* blocked forever */
	ret = k_msgq_put(p1, &data[1], K_FOREVER);
	zassert_equal(ret, 0);
	}

	/**
	* @addtogroup kernel_message_queue_tests
	* @{
	*/

	/**
	* @brief Test thread to thread data passing via message queue
	* @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST(msgq_api_1cpu, test_msgq_thread)
	{
	int ret;

	/*TESTPOINT: init via k_msgq_init/
	k_msgq_init(&msgq, tbuffer, MSG_SIZE, MSGQ_LEN);
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	msgq_thread(&msgq);
	msgq_thread(&kmsgq);
	}

	/**
	* @brief Test thread to thread data passing via message queue
	* @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST(msgq_api, test_msgq_thread_overflow)
	{
	int ret;

	/*TESTPOINT: init via k_msgq_init/
	k_msgq_init(&msgq, tbuffer, MSG_SIZE, 2);
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	ret = k_msgq_put(&msgq, (void *)&data[0], K_FOREVER);
	zassert_equal(ret, 0);

	msgq_thread_overflow(&msgq);
	msgq_thread_overflow(&kmsgq);

	/verify the write pointer not reset to the buffer start/
	zassert_false(msgq.write_ptr == msgq.buffer_start,
	"Invalid add operation of message queue");
	}

	#ifdef CONFIG_USERSPACE
	/**
	* @brief Test user thread to kernel thread data passing via message queue
	* @see k_msgq_alloc_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST_USER(msgq_api, test_msgq_user_thread)
	{
	struct k_msgq *q;
	int ret;

	q = k_object_alloc(K_OBJ_MSGQ);
	zassert_not_null(q, "couldn't alloc message queue");
	zassert_false(k_msgq_alloc_init(q, MSG_SIZE, MSGQ_LEN));
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	msgq_thread(q);
	}

	/**
	* @brief Test thread to thread data passing via message queue
	* @see k_msgq_alloc_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST_USER(msgq_api, test_msgq_user_thread_overflow)
	{
	struct k_msgq *q;
	int ret;

	q = k_object_alloc(K_OBJ_MSGQ);
	zassert_not_null(q, "couldn't alloc message queue");
	zassert_false(k_msgq_alloc_init(q, MSG_SIZE, 1));
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	msgq_thread_overflow(q);
	}
	#endif /* CONFIG_USERSPACE */

	/**
	* @brief Test thread to isr data passing via message queue
	* @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST(msgq_api, test_msgq_isr)
	{
	static struct k_msgq stack_msgq;

	/*TESTPOINT: init via k_msgq_init/
	k_msgq_init(&stack_msgq, tbuffer, MSG_SIZE, MSGQ_LEN);

	msgq_isr(&stack_msgq);
	msgq_isr(&kmsgq);
	}

	/**
	* @brief Test pending writer in msgq
	* @see k_msgq_init(), k_msgq_get(), k_msgq_put(), k_msgq_purge()
	*/
	ZTEST(msgq_api_1cpu, test_msgq_pend_thread)
	{
	int ret;

	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	msgq_thread_data_passing(&msgq1);
	}

	/**
	* @brief Test k_msgq_alloc_init()
	* @details Initialization and buffer allocation for msgq from resource
	* pool with various parameters
	* @see k_msgq_alloc_init(), k_msgq_cleanup()
	*/
	ZTEST(msgq_api, test_msgq_alloc)
	{
	int ret;

	k_msgq_alloc_init(&kmsgq_test_alloc, MSG_SIZE, MSGQ_LEN);
	msgq_isr(&kmsgq_test_alloc);
	k_msgq_cleanup(&kmsgq_test_alloc);

	/** Requesting buffer allocation from the test pool.*/
	ret = k_msgq_alloc_init(&kmsgq_test_alloc, MSG_SIZE * 128, MSGQ_LEN);
	zassert_true(ret == -ENOMEM,
	"resource pool is smaller then requested buffer");

	/* Requesting a huge size of MSG to validate overflow*/
	ret = k_msgq_alloc_init(&kmsgq_test_alloc, OVERFLOW_SIZE_MSG, MSGQ_LEN);
	zassert_true(ret == -EINVAL, "Invalid request");
	}

	/**
	* @brief Get message from an empty queue
	*
	* @details
	* - A thread get message from an empty message queue will get a -ENOMSG if
	* timeout is set to K_NO_WAIT
	* - A thread get message from an empty message queue will be blocked if timeout
	* is set to a positive value or K_FOREVER
	*
	* @see k_msgq_get()
	*/
	ZTEST(msgq_api_1cpu, test_msgq_empty)
	{
	int pri = k_thread_priority_get(k_current_get()) - 1;
	int ret;

	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
	get_empty_entry, &msgq1, NULL,
	NULL, pri, 0, K_NO_WAIT);

	k_sem_take(&end_sema, K_FOREVER);
	/* that getting thread is being blocked now */
	zassert_equal(tid->base.thread_state, _THREAD_PENDING);
	/* since there is a thread is waiting for message, this queue
	* can't be cleanup
	*/
	ret = k_msgq_cleanup(&msgq1);
	zassert_equal(ret, -EBUSY);

	/* put a message to wake that getting thread */
	ret = k_msgq_put(&msgq1, &data[0], K_NO_WAIT);
	zassert_equal(ret, 0);

	k_thread_abort(tid);
	}

	/**
	* @brief Put message to a full queue
	*
	* @details
	* - A thread put message to a full message queue will get a -ENOMSG if
	* timeout is set to K_NO_WAIT
	* - A thread put message to a full message queue will be blocked if timeout
	* is set to a positive value or K_FOREVER
	*
	* @see k_msgq_put()
	*/
	ZTEST(msgq_api_1cpu, test_msgq_full)
	{
	int pri = k_thread_priority_get(k_current_get()) - 1;
	int ret;

	k_msgq_init(&msgq1, tbuffer1, MSG_SIZE, 1);
	ret = k_sem_init(&end_sema, 0, 1);
	zassert_equal(ret, 0);

	ret = k_msgq_put(&msgq1, &data[0], K_NO_WAIT);
	zassert_equal(ret, 0);

	k_tid_t tid = k_thread_create(&tdata2, tstack2, STACK_SIZE,
	put_full_entry, &msgq1, NULL,
	NULL, pri, 0, K_NO_WAIT);
	k_sem_take(&end_sema, K_FOREVER);
	/* that putting thread is being blocked now */
	zassert_equal(tid->base.thread_state, _THREAD_PENDING);
	k_thread_abort(tid);
	}

	/**
	* @}
	*/