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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-07-27 flybreak the first version
* 2023-03-21 WangShun add atomic test
* 2023-09-15 xqyjlj change stack size in cpu64
*/
#include <rtthread.h>
#include "utest.h"
#include "rtatomic.h"
#include <rthw.h>
#define THREAD_PRIORITY 25
#define THREAD_TIMESLICE 1
#define THREAD_STACKSIZE UTEST_THR_STACK_SIZE
/* convenience macro - return either 64-bit or 32-bit value */
#define ATOMIC_WORD(val_if_64, val_if_32) \
((rt_atomic_t)((sizeof(void *) == sizeof(uint64_t)) ? (val_if_64) : (val_if_32)))
static rt_atomic_t count = 0;
static rt_sem_t sem_t;
static void test_atomic_api(void)
{
rt_atomic_t base;
rt_atomic_t oldval;
rt_atomic_t result;
/* rt_atomic_t */
uassert_true(sizeof(rt_atomic_t) == ATOMIC_WORD(sizeof(uint64_t), sizeof(uint32_t)));
/* rt_atomic_add */
base = 0;
result = rt_atomic_add(&base, 10);
uassert_true(base == 10);
uassert_true(result == 0);
/* rt_atomic_add negative */
base = 2;
result = rt_atomic_add(&base, -4);
uassert_true(base == -2);
uassert_true(result == 2);
/* rt_atomic_sub */
base = 11;
result = rt_atomic_sub(&base, 10);
uassert_true(base == 1);
uassert_true(result == 11);
/* rt_atomic_sub negative */
base = 2;
result = rt_atomic_sub(&base, -5);
uassert_true(base == 7);
uassert_true(result == 2);
/* rt_atomic_or */
base = 0xFF00;
result = rt_atomic_or(&base, 0x0F0F);
uassert_true(base == 0xFF0F);
uassert_true(result == 0xFF00);
/* rt_atomic_xor */
base = 0xFF00;
result = rt_atomic_xor(&base, 0x0F0F);
uassert_true(base == 0xF00F);
uassert_true(result == 0xFF00);
/* rt_atomic_and */
base = 0xFF00;
result = rt_atomic_and(&base, 0x0F0F);
uassert_true(base == 0x0F00);
uassert_true(result == 0xFF00);
/* rt_atomic_exchange */
base = 0xFF00;
result = rt_atomic_exchange(&base, 0x0F0F);
uassert_true(base == 0x0F0F);
uassert_true(result == 0xFF00);
/* rt_atomic_flag_test_and_set (Flag 0) */
base = 0x0;
result = rt_atomic_flag_test_and_set(&base);
uassert_true(base == 0x1);
uassert_true(result == 0x0);
/* rt_atomic_flag_test_and_set (Flag 1) */
base = 0x1;
result = rt_atomic_flag_test_and_set(&base);
uassert_true(base == 0x1);
uassert_true(result == 0x1);
/* rt_atomic_flag_clear */
base = 0x1;
rt_atomic_flag_clear(&base);
uassert_true(base == 0x0);
/* rt_atomic_load */
base = 0xFF00;
result = rt_atomic_load(&base);
uassert_true(base == 0xFF00);
uassert_true(result == 0xFF00);
/* rt_atomic_store */
base = 0xFF00;
rt_atomic_store(&base, 0x0F0F);
uassert_true(base == 0x0F0F);
/* rt_atomic_compare_exchange_strong (equal) */
base = 10;
oldval = 10;
result = rt_atomic_compare_exchange_strong(&base, &oldval, 11);
uassert_true(base == 11);
uassert_true(result == 0x1);
/* rt_atomic_compare_exchange_strong (not equal) */
base = 10;
oldval = 5;
result = rt_atomic_compare_exchange_strong(&base, &oldval, 11);
uassert_true(base == 10);
uassert_true(result == 0x0);
}
static void ture_entry(void *parameter)
{
int i;
for (i = 0; i < 1000000; i++)
{
rt_atomic_add(&count, 1);
}
rt_sem_release(sem_t);
}
static void test_atomic_add(void)
{
rt_thread_t thread;
size_t i;
sem_t = rt_sem_create("atomic_sem", 0, RT_IPC_FLAG_PRIO);
rt_atomic_store(&count, 0);
thread = rt_thread_create("t1", ture_entry, RT_NULL, THREAD_STACKSIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
rt_thread_startup(thread);
thread = rt_thread_create("t2", ture_entry, RT_NULL, THREAD_STACKSIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
rt_thread_startup(thread);
thread = rt_thread_create("t3", ture_entry, RT_NULL, THREAD_STACKSIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
rt_thread_startup(thread);
for (i = 0; i < 3; i++)
{
rt_sem_take(sem_t, RT_WAITING_FOREVER);
}
i = rt_atomic_load(&count);
uassert_true(i == 3000000);
}
static rt_err_t utest_tc_init(void)
{
return RT_EOK;
}
static rt_err_t utest_tc_cleanup(void)
{
return RT_EOK;
}
static void testcase(void)
{
UTEST_UNIT_RUN(test_atomic_api);
UTEST_UNIT_RUN(test_atomic_add);
}
UTEST_TC_EXPORT(testcase, "testcases.kernel.atomic_tc", utest_tc_init, utest_tc_cleanup, 10);
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