Steve Karg
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/**
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* @file
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* @brief test BACnet MSTP zero-config auto MAC address
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* @author Steve Karg <skarg@users.sourceforge.net>
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* @date 2023-June
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <zephyr/ztest.h>
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#include <bacnet/datalink/automac.h>
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#include <bacnet/basic/sys/bytes.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 Test Auto-MAC initialization
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*/
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static void test_automac_init(void)
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{
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uint8_t mac = 255;
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bool options;
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automac_init();
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zassert_equal(automac_free_address_count(), 0, NULL);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, 255, NULL);
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automac_pfm_set(MSTP_MAC_SLOTS_OFFSET);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, MSTP_MAC_SLOTS_OFFSET, NULL);
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zassert_equal(automac_free_address_count(), 1, NULL);
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automac_token_set(MSTP_MAC_SLOTS_OFFSET);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, 255, NULL);
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zassert_equal(automac_free_address_count(), 0, NULL);
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automac_pfm_set(127);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, 127, NULL);
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zassert_equal(automac_free_address_count(), 1, NULL);
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automac_token_set(127);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, 255, NULL);
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zassert_equal(automac_free_address_count(), 0, NULL);
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/* the ANSI rand() uses consistent sequence based on seed */
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srand(42);
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mac = automac_free_address_random();
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zassert_equal(mac, 255, NULL);
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automac_pfm_set(MSTP_MAC_SLOTS_OFFSET + 1);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
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mac = automac_free_address_random();
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
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/* test 2 free addresses */
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automac_pfm_set(MSTP_MAC_SLOTS_OFFSET + 2);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
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mac = automac_free_address_mac(1);
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 2), NULL);
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mac = automac_free_address_random();
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options = (mac == (MSTP_MAC_SLOTS_OFFSET + 1)) ||
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(mac == (MSTP_MAC_SLOTS_OFFSET + 2));
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zassert_true(options, NULL);
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/* test 3 free addresses */
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automac_pfm_set(126);
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mac = automac_free_address_mac(0);
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
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mac = automac_free_address_mac(1);
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zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 2), NULL);
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mac = automac_free_address_mac(2);
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zassert_equal(mac, 126, NULL);
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mac = automac_free_address_random();
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options = (mac == (MSTP_MAC_SLOTS_OFFSET + 1)) ||
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(mac == (MSTP_MAC_SLOTS_OFFSET + 2)) || (mac == 126);
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zassert_true(options, NULL);
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/* test the stored address */
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mac = automac_address();
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zassert_true(mac < MSTP_MAC_SLOTS_MAX, NULL);
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automac_address_set(MSTP_MAC_SLOTS_OFFSET);
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mac = automac_address();
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zassert_equal(mac, MSTP_MAC_SLOTS_OFFSET, NULL);
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automac_init();
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automac_token_set(0x6B);
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mac = automac_next_station(0x25);
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zassert_equal(mac, 0x6B, NULL);
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}
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/**
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* @}
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*/
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void test_main(void)
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{
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ztest_test_suite(automac_tests, ztest_unit_test(test_automac_init));
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ztest_run_test_suite(automac_tests);
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}
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