163 lines
5.8 KiB
C
163 lines
5.8 KiB
C
/*
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* Copyright (c) 2020 Legrand North America, LLC.
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*
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* SPDX-License-Identifier: MIT
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*/
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/* @file
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* @brief test BACnet integer encode/decode APIs
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*/
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#include <limits.h>
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#include <zephyr/ztest.h>
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#include <bacnet/basic/sys/fifo.h>
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/**
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* @addtogroup bacnet_tests
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* @{
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*/
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/**
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* @brief Unit Test for the FIFO buffer
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST(fifo_tests, testFIFOBuffer)
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#else
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static void testFIFOBuffer(void)
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#endif
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{
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/* FIFO data structure */
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FIFO_BUFFER test_buffer = { 0 };
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/* FIFO data store. Note: size must be a power of two! */
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volatile uint8_t data_store[64] = { 0 };
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uint8_t add_data[40] = { "RoseSteveLouPatRachelJessicaDaniAmyHerb" };
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uint8_t test_add_data[40] = { 0 };
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uint8_t test_data = 0;
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unsigned index = 0;
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unsigned count = 0;
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unsigned test_count = 0;
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bool status = 0;
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FIFO_Init(&test_buffer, data_store, sizeof(data_store));
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* load the buffer */
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for (test_data = 0; test_data < sizeof(data_store); test_data++) {
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zassert_false(FIFO_Full(&test_buffer), NULL);
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zassert_true(FIFO_Available(&test_buffer, 1), NULL);
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status = FIFO_Put(&test_buffer, test_data);
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zassert_true(status, NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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}
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/* not able to put any more */
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zassert_true(FIFO_Full(&test_buffer), NULL);
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zassert_false(FIFO_Available(&test_buffer, 1), NULL);
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status = FIFO_Put(&test_buffer, 42);
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zassert_false(status, NULL);
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/* unload the buffer */
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for (index = 0; index < sizeof(data_store); index++) {
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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test_data = FIFO_Peek(&test_buffer);
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zassert_equal(test_data, index, NULL);
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test_data = FIFO_Get(&test_buffer);
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zassert_equal(test_data, index, NULL);
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zassert_true(FIFO_Available(&test_buffer, 1), NULL);
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zassert_false(FIFO_Full(&test_buffer), NULL);
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}
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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test_data = FIFO_Get(&test_buffer);
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zassert_equal(test_data, 0, NULL);
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test_data = FIFO_Peek(&test_buffer);
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zassert_equal(test_data, 0, NULL);
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* test the ring around the buffer */
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for (index = 0; index < sizeof(data_store); index++) {
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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zassert_true(FIFO_Available(&test_buffer, 4), NULL);
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for (count = 1; count < 4; count++) {
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test_data = count;
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status = FIFO_Put(&test_buffer, test_data);
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zassert_true(status, NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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}
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for (count = 1; count < 4; count++) {
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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test_data = FIFO_Peek(&test_buffer);
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zassert_equal(test_data, count, NULL);
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test_data = FIFO_Get(&test_buffer);
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zassert_equal(test_data, count, NULL);
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}
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}
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* test Add */
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zassert_true(FIFO_Available(&test_buffer, sizeof(add_data)), NULL);
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status = FIFO_Add(&test_buffer, add_data, sizeof(add_data));
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zassert_true(status, NULL);
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count = FIFO_Count(&test_buffer);
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zassert_equal(count, sizeof(add_data), NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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for (index = 0; index < sizeof(add_data); index++) {
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/* unload the buffer */
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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test_data = FIFO_Peek(&test_buffer);
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zassert_equal(test_data, add_data[index], NULL);
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test_data = FIFO_Get(&test_buffer);
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zassert_equal(test_data, add_data[index], NULL);
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}
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* test Pull */
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zassert_true(FIFO_Available(&test_buffer, sizeof(add_data)), NULL);
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status = FIFO_Add(&test_buffer, add_data, sizeof(add_data));
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zassert_true(status, NULL);
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count = FIFO_Count(&test_buffer);
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zassert_equal(count, sizeof(add_data), NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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count = FIFO_Pull(&test_buffer, &test_add_data[0], sizeof(test_add_data));
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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zassert_equal(count, sizeof(test_add_data), NULL);
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for (index = 0; index < sizeof(add_data); index++) {
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zassert_equal(test_add_data[index], add_data[index], NULL);
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}
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zassert_true(FIFO_Available(&test_buffer, sizeof(add_data)), NULL);
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status = FIFO_Add(&test_buffer, test_add_data, sizeof(add_data));
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zassert_true(status, NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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for (index = 0; index < sizeof(add_data); index++) {
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count = FIFO_Pull(&test_buffer, &test_add_data[0], 1);
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zassert_equal(count, 1, NULL);
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zassert_equal(test_add_data[0], add_data[index], NULL);
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}
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* test flush */
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status = FIFO_Add(&test_buffer, test_add_data, sizeof(test_add_data));
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zassert_true(status, NULL);
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zassert_false(FIFO_Empty(&test_buffer), NULL);
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FIFO_Flush(&test_buffer);
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zassert_true(FIFO_Empty(&test_buffer), NULL);
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/* check the peak ahead feature */
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status = FIFO_Add(&test_buffer, add_data, sizeof(add_data));
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zassert_true(status, NULL);
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count = FIFO_Count(&test_buffer);
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test_count = FIFO_Peek_Ahead(&test_buffer, &test_add_data[0], count - 1);
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zassert_equal(count - 1, test_count, NULL);
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for (index = 0; index < test_count; index++) {
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zassert_equal(test_add_data[index], add_data[index], NULL);
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}
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return;
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}
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/**
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* @}
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*/
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#if defined(CONFIG_ZTEST_NEW_API)
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ZTEST_SUITE(fifo_tests, NULL, NULL, NULL, NULL, NULL);
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#else
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void test_main(void)
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{
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ztest_test_suite(fifo_tests, ztest_unit_test(testFIFOBuffer));
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ztest_run_test_suite(fifo_tests);
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}
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#endif
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