98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2019, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2019-01-16 flybreak the first version
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*/
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#include <rtthread.h>
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#include <stdlib.h>
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#include "utest.h"
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#define HEAP_SIZE (64 * 1024)
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#define HEAP_ALIGN (4)
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#define SLICE_NUM (40)
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#define TEST_TIMES (100000)
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#define HEAP_NAME "heap1"
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#define SLICE_SIZE_MAX (HEAP_SIZE/SLICE_NUM)
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static void memheap_test(void)
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{
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struct rt_memheap heap1;
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void * ptr_start;
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void *ptr[SLICE_NUM];
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int i, cnt = 0;
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/* init heap */
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ptr_start = rt_malloc_align(HEAP_SIZE, HEAP_ALIGN);
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if (ptr_start == RT_NULL)
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{
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rt_kprintf("totle size too big,can not malloc memory!");
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return;
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}
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rt_memheap_init(&heap1, HEAP_NAME, ptr_start, HEAP_SIZE);
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/* test start */
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for (i = 0; i < SLICE_NUM; i++)
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{
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ptr[i] = 0;
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}
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/* test alloc */
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for (i = 0; i < SLICE_NUM; i++)
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{
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rt_uint32_t slice_size = rand() % SLICE_SIZE_MAX;
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ptr[i] = rt_memheap_alloc(&heap1, slice_size);
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}
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/* test realloc */
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while (cnt < TEST_TIMES)
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{
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rt_uint32_t slice_size = rand() % SLICE_SIZE_MAX;
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rt_uint32_t ptr_index = rand() % SLICE_NUM;
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rt_uint32_t operation = rand() % 2;
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if (ptr[ptr_index])
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{
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if (operation == 0) /* free and malloc */
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{
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rt_memheap_free(ptr[ptr_index]);
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ptr[ptr_index] = rt_memheap_alloc(&heap1, slice_size);
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}
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else /* realloc */
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{
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ptr[ptr_index] = rt_memheap_realloc(&heap1, ptr[ptr_index], slice_size);
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}
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}
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cnt ++;
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if (cnt % (TEST_TIMES / 10) == 0)
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{
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rt_kprintf(">");
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}
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}
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rt_kprintf("test OK!\n");
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/* test end */
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rt_memheap_detach(&heap1);
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rt_free_align((void *)ptr_start);
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}
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static rt_err_t utest_tc_init(void)
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{
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return RT_EOK;
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}
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static rt_err_t utest_tc_cleanup(void)
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{
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return RT_EOK;
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}
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static void testcase(void)
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{
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UTEST_UNIT_RUN(memheap_test);
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}
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UTEST_TC_EXPORT(testcase, "testcases.kernel.memheap_tc", utest_tc_init, utest_tc_cleanup, 10);
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