tests: pipe: Enhance tests to improve code coverage
This test is intended to validate k_pipe_alloc_init() and k_pipe_cleanup(), when CONFIG_USERSPACE is not defined. Also added test to validate pending reader and pending writer feature in pipe. Signed-off-by: Ajay Kishore <ajay.kishore@intel.com>
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1fbea945f4
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75780a8135
2 changed files with 133 additions and 7 deletions
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@ -21,6 +21,9 @@ extern void test_pipe_block_put_sema(void);
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extern void test_pipe_get_put(void);
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extern void test_half_pipe_get_put(void);
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extern void test_half_pipe_block_put_sema(void);
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extern void test_pipe_alloc(void);
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extern void test_pipe_reader_wait(void);
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extern void test_pipe_block_writer_wait(void);
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#ifdef CONFIG_USERSPACE
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extern void test_pipe_user_thread2thread(void);
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extern void test_pipe_user_put_fail(void);
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@ -69,6 +72,9 @@ void test_main(void)
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ztest_unit_test(test_pipe_block_put_sema),
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ztest_unit_test(test_pipe_get_put),
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ztest_unit_test(test_half_pipe_block_put_sema),
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ztest_unit_test(test_half_pipe_get_put));
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ztest_unit_test(test_half_pipe_get_put),
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ztest_unit_test(test_pipe_alloc),
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ztest_unit_test(test_pipe_reader_wait),
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ztest_unit_test(test_pipe_block_writer_wait));
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ztest_run_test_suite(pipe_api);
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}
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@ -6,9 +6,9 @@
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#include <ztest.h>
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#define STACK_SIZE 1024
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#define PIPE_LEN 16
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#define BYTES_TO_WRITE 4
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#define STACK_SIZE 1024
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#define PIPE_LEN 16
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#define BYTES_TO_WRITE 4
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#define BYTES_TO_READ BYTES_TO_WRITE
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K_MEM_POOL_DEFINE(mpool, BYTES_TO_WRITE, PIPE_LEN, 1, BYTES_TO_WRITE);
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@ -16,17 +16,23 @@ static unsigned char __aligned(4) data[] = "abcd1234$%^&PIPE";
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/**TESTPOINT: init via K_PIPE_DEFINE*/
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K_PIPE_DEFINE(kpipe, PIPE_LEN, 4);
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K_PIPE_DEFINE(khalfpipe, (PIPE_LEN / 2), 4);
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K_PIPE_DEFINE(kpipe1, PIPE_LEN, 4);
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K_PIPE_DEFINE(pipe_test_alloc, PIPE_LEN, 4);
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__kernel struct k_pipe pipe;
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K_THREAD_STACK_DEFINE(tstack, STACK_SIZE);
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K_THREAD_STACK_DEFINE(tstack1, STACK_SIZE);
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K_THREAD_STACK_DEFINE(tstack2, STACK_SIZE);
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__kernel struct k_thread tdata;
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__kernel struct k_thread tdata1;
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__kernel struct k_thread tdata2;
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K_SEM_DEFINE(end_sema, 0, 1);
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/* By design, only two blocks. We should never need more than that, one
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* to allocate the pipe object, one for its buffer. Both should be auto-
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* released when the thread exits
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*/
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K_MEM_POOL_DEFINE(test_pool, 128, 128, 2, 4);
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K_MEM_POOL_DEFINE(test_pool, 128, 128, 4, 4);
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static void tpipe_put(struct k_pipe *ppipe, int timeout)
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{
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@ -112,6 +118,47 @@ static void tpipe_thread_thread(struct k_pipe *ppipe)
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k_thread_abort(tid);
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}
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static void tpipe_kthread_to_kthread(struct k_pipe *ppipe)
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{
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/**TESTPOINT: thread-thread data passing via pipe*/
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k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
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tThread_entry, ppipe, NULL, NULL,
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K_PRIO_PREEMPT(0), 0, 0);
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tpipe_put(ppipe, K_NO_WAIT);
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k_sem_take(&end_sema, K_FOREVER);
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k_sem_take(&end_sema, K_FOREVER);
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tpipe_get(ppipe, K_FOREVER);
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/* clear the spawned thread avoid side effect */
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k_thread_abort(tid);
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}
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static void tpipe_put_no_wait(struct k_pipe *ppipe)
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{
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size_t to_wt, wt_byte = 0;
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for (int i = 0; i < PIPE_LEN; i += wt_byte) {
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/**TESTPOINT: pipe put*/
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to_wt = (PIPE_LEN - i) >= BYTES_TO_WRITE ?
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BYTES_TO_WRITE : (PIPE_LEN - i);
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zassert_false(k_pipe_put(ppipe, &data[i], to_wt,
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&wt_byte, 1, K_NO_WAIT), NULL);
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zassert_true(wt_byte == to_wt || wt_byte == 1, NULL);
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}
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}
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static void thread_handler(void *p1, void *p2, void *p3)
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{
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tpipe_put_no_wait((struct k_pipe *)p1);
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k_sem_give(&end_sema);
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}
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static void thread_for_block_put(void *p1, void *p2, void *p3)
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{
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tpipe_block_put((struct k_pipe *)p1, (struct k_sem *)p2, K_FOREVER);
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}
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/**
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* @addtogroup kernel_pipe_tests
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@ -183,8 +230,8 @@ void test_pipe_block_put_sema(void)
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k_sem_init(&sync_sema, 0, 1);
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/**TESTPOINT: test k_pipe_block_put with semaphore*/
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k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
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tThread_block_put, &pipe, &sync_sema, NULL,
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K_PRIO_PREEMPT(0), 0, 0);
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tThread_block_put, &pipe, &sync_sema,
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NULL, K_PRIO_PREEMPT(0), 0, 0);
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k_sleep(10);
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tpipe_get(&pipe, K_FOREVER);
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k_sem_take(&end_sema, K_FOREVER);
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@ -274,6 +321,79 @@ void test_half_pipe_block_put_sema(void)
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k_thread_abort(tid);
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}
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/**
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* @brief Test Initialization and buffer allocation of pipe,
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* with various parameters
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* @see k_pipe_alloc_init(), k_pipe_cleanup()
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*/
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void test_pipe_alloc(void)
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{
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int ret;
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zassert_false(k_pipe_alloc_init(&pipe_test_alloc, PIPE_LEN), NULL);
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tpipe_kthread_to_kthread(&pipe_test_alloc);
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k_pipe_cleanup(&pipe_test_alloc);
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zassert_false(k_pipe_alloc_init(&pipe_test_alloc, 0), NULL);
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k_pipe_cleanup(&pipe_test_alloc);
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ret = k_pipe_alloc_init(&pipe_test_alloc, PIPE_LEN * 8);
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zassert_true(ret == -ENOMEM,
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"resource pool is smaller then requested buffer");
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}
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/**
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* @brief Test pending reader in pipe
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* @see k_pipe_put(), k_pipe_get()
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*/
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void test_pipe_reader_wait(void)
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{
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/**TESTPOINT: test k_pipe_block_put with semaphore*/
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k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
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thread_handler, &kpipe1, NULL, NULL,
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K_PRIO_PREEMPT(0), 0, 0);
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tpipe_get(&kpipe1, K_FOREVER);
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k_sem_take(&end_sema, K_FOREVER);
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k_thread_abort(tid);
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}
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/**
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* @brief Test pending writer in pipe
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* @see k_pipe_block_put(), k_pipe_get()
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*/
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void test_pipe_block_writer_wait(void)
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{
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struct k_sem s_sema;
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struct k_sem s_sema1;
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const int main_low_prio = 10;
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k_sem_init(&s_sema, 0, 1);
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k_sem_init(&s_sema1, 0, 1);
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int old_prio = k_thread_priority_get(k_current_get());
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k_thread_priority_set(k_current_get(), main_low_prio);
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/**TESTPOINT: test k_pipe_block_put with semaphore*/
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k_tid_t tid = k_thread_create(&tdata, tstack, STACK_SIZE,
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thread_for_block_put, &kpipe1, &s_sema,
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NULL, K_PRIO_PREEMPT(main_low_prio - 1),
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0, 0);
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k_tid_t tid1 = k_thread_create(&tdata1, tstack1, STACK_SIZE,
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thread_for_block_put, &kpipe1, &s_sema1,
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NULL, K_PRIO_PREEMPT(main_low_prio - 1),
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0, 0);
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tpipe_get(&kpipe1, K_FOREVER);
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k_thread_priority_set(k_current_get(), old_prio);
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k_thread_abort(tid);
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k_thread_abort(tid1);
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}
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/**
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* @}
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*/
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