Greg Shue
184 lines
3.7 KiB
C
184 lines
3.7 KiB
C
/*
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* Copyright (c) 2023 Legrand North America, LLC.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/ztest.h>
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#undef BIT
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#undef _BV
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#undef BIT_SET
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#undef BIT_CLEAR
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#undef BIT_FLIP
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#undef BIT_CHECK
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#undef BITMASK_SET
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#undef BITMASK_CLEAR
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#undef BITMASK_FLIP
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#undef BITMASK_CHECK
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#include "bacnet/bits.h"
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/* NOTE: These tests must be compatible with C90, so they do not
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* verify support for ULL.
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*/
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static void test_BIT(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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bitpos -= 1;
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zassert_true(BIT(bitpos) == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test__BV(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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bitpos -= 1;
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zassert_true(BIT(bitpos) == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BIT_SET(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = 0U;
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bitpos -= 1;
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BIT_SET(a, bitpos);
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zassert_true(a == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BIT_CLEAR(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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BIT_CLEAR(a, bitpos);
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zassert_true(~(a) == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BIT_FLIP(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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BIT_FLIP(a, bitpos);
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zassert_true(a == ~(1U << bitpos), NULL);
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BIT_FLIP(a, bitpos);
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zassert_true(a == ~0U, NULL);
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a = 0U;
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BIT_FLIP(a, bitpos);
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zassert_true(a == (1U << bitpos), NULL);
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BIT_FLIP(a, bitpos);
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zassert_true(a == 0U, NULL);
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} while (bitpos > 0);
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}
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static void test_BIT_CHECK(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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zassert_true(BIT_CHECK(a, bitpos), NULL);
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a = 0U;
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zassert_false(BIT_CHECK(a, bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BITMASK_SET(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = 0U;
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bitpos -= 1;
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BITMASK_SET(a, (1U << bitpos));
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zassert_true(a == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BITMASK_CLEAR(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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BITMASK_CLEAR(a, (1U << bitpos));
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zassert_true(~(a) == (1U << bitpos), NULL);
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} while (bitpos > 0);
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}
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static void test_BITMASK_FLIP(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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BITMASK_FLIP(a, (1U << bitpos));
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zassert_true(a == ~(1U << bitpos), NULL);
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BITMASK_FLIP(a, (1U << bitpos));
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zassert_true(a == ~0U, NULL);
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a = 0U;
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BITMASK_FLIP(a, (1U << bitpos));
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zassert_true(a == (1U << bitpos), NULL);
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BITMASK_FLIP(a, (1U << bitpos));
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zassert_true(a == 0U, NULL);
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} while (bitpos > 0);
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}
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static void test_BITMASK_CHECK(void)
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{
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unsigned int bitpos = sizeof(unsigned int) * 8;
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do {
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unsigned int a = ~0U;
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bitpos -= 1;
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zassert_true(BITMASK_CHECK(a, (1U << bitpos)), NULL);
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a = 0U;
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zassert_false(BITMASK_CHECK(a, (1U << bitpos)), NULL);
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} while (bitpos > 0);
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}
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void test_main(void)
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{
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ztest_test_suite(bacnet_bits,
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ztest_unit_test(test_BIT),
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ztest_unit_test(test__BV),
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ztest_unit_test(test_BIT_SET),
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ztest_unit_test(test_BIT_CLEAR),
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ztest_unit_test(test_BIT_FLIP),
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ztest_unit_test(test_BIT_CHECK),
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ztest_unit_test(test_BITMASK_SET),
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ztest_unit_test(test_BITMASK_CLEAR),
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ztest_unit_test(test_BITMASK_FLIP),
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ztest_unit_test(test_BITMASK_CHECK)
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);
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ztest_run_test_suite(bacnet_bits);
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}
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