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86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
2 years ago
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/*============================================================================
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*
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* Q u a n t u m L e a P s
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* ------------------------
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* Modern Embedded Software
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*
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* Copyright (C) 2021 Quantum Leaps, LLC. All rights reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Contact information:
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* <www.state-machine.com>
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* <info@state-machine.com>
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============================================================================*/
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#include <stdint.h>
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#include <stdbool.h>
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#include "ring_buf.h"
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#include "et.h" /* ET: embedded test */
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RingBufElement buf[8];
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RingBuf rb;
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/* ring-buffer "handler" function for RingBuf_process_all() */
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static void rb_handler(RingBufElement const el);
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static RingBufElement test_data[] = {
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0xAAU,
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0xBBU,
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0xCCU,
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0xDDU
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};
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static RingBufCtr test_idx;
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void setup(void) {
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/* executed before *every* non-skipped test */
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}
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void teardown(void) {
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/* executed after *every* non-skipped and non-failing test */
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}
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/* test group --------------------------------------------------------------*/
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TEST_GROUP("lock-free ring buffer") {
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RingBuf_ctor(&rb, buf, ARRAY_NELEM(buf));
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TEST("RingBuf_num_free") {
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VERIFY(RingBuf_num_free(&rb) == ARRAY_NELEM(buf) - 1U);
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}
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TEST("RingBuf_put 3") {
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RingBuf_put(&rb, 0xAAU);
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RingBuf_put(&rb, 0xBBU);
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RingBuf_put(&rb, 0xCCU);
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VERIFY(RingBuf_num_free(&rb) == ARRAY_NELEM(buf) - 1U - 3U);
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}
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TEST("RingBuf_get") {
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RingBufElement el;
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VERIFY(true == RingBuf_get(&rb, &el));
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VERIFY(0xAAU == el);
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VERIFY(true == RingBuf_get(&rb, &el));
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VERIFY(0xBBU == el);
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VERIFY(true == RingBuf_get(&rb, &el));
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VERIFY(0xCCU == el);
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VERIFY(false == RingBuf_get(&rb, &el));
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}
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TEST("RingBuf_process_all test_data") {
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for (RingBufCtr i = 0U; i < ARRAY_NELEM(test_data); ++i) {
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RingBuf_put(&rb, test_data[i]);
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}
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test_idx = 0U;
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RingBuf_process_all(&rb, &rb_handler);
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VERIFY(RingBuf_num_free(&rb) == ARRAY_NELEM(buf) - 1U);
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}
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} /* TEST_GROUP() */
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static void rb_handler(RingBufElement const el) {
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VERIFY(test_data[test_idx] == el);
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++test_idx;
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}
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