f98fd62c73
Notes that `NUM_VA_ARGS_LESS_1` support up to 64 arguments, and added test for it in `tests/lib/sys_util`. Signed-off-by: Yong Cong Sin <ycsin@meta.com>
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
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* Copyright (c) 2022 Intel Corporation
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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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#include <zephyr/sys/util.h>
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#include <zephyr/kernel.h>
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/**
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* @addtogroup sys_util_tests
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* @{
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*/
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/**
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* @brief Test wait_for works as expected with typical use cases
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*
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* @see WAIT_FOR()
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*/
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ZTEST(sys_util, test_wait_for)
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{
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uint32_t start, end, expected;
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zassert_true(WAIT_FOR(true, 0, NULL), "true, no wait, NULL");
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zassert_true(WAIT_FOR(true, 0, k_yield()), "true, no wait, yield");
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zassert_false(WAIT_FOR(false, 0, k_yield()), "false, no wait, yield");
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zassert_true(WAIT_FOR(true, 1, k_yield()), "true, 1usec, yield");
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zassert_false(WAIT_FOR(false, 1, k_yield()), "false, 1usec, yield");
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zassert_true(WAIT_FOR(true, 1000, k_yield()), "true, 1msec, yield");
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expected = 1000*(sys_clock_hw_cycles_per_sec()/USEC_PER_SEC);
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start = k_cycle_get_32();
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zassert_false(WAIT_FOR(false, 1000, k_yield()), "true, 1msec, yield");
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end = k_cycle_get_32();
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zassert_true(end-start >= expected, "wait for 1ms");
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}
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/**
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* @brief Test NUM_VA_ARGS works as expected with typical use cases
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*
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* @see NUM_VA_ARGS()
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*/
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ZTEST(sys_util, test_NUM_VA_ARGS)
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{
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zassert_equal(0, NUM_VA_ARGS());
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zassert_equal(1, NUM_VA_ARGS(_1));
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zassert_equal(2, NUM_VA_ARGS(_1, _2));
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/* support up to 63 args */
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zassert_equal(63, NUM_VA_ARGS(LISTIFY(63, ~, (,))));
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}
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/**
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* @brief Test NUM_VA_ARGS_LESS_1 works as expected with typical use cases
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*
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* @see NUM_VA_ARGS_LESS_1()
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*/
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ZTEST(sys_util, test_NUM_VA_ARGS_LESS_1)
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{
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zassert_equal(0, NUM_VA_ARGS_LESS_1());
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zassert_equal(0, NUM_VA_ARGS_LESS_1(_1));
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zassert_equal(1, NUM_VA_ARGS_LESS_1(_1, _2));
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/* support up to 64 args */
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zassert_equal(63, NUM_VA_ARGS_LESS_1(LISTIFY(64, ~, (,))));
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}
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/**
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* @}
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*/
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/**
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* @defgroup sys_util_tests Sys Util Tests
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* @ingroup all_tests
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* @{
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* @}
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*/
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ZTEST_SUITE(sys_util, NULL, NULL, NULL, NULL, NULL);
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