94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* tests.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tomoron <tomoron@student.42angouleme.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2025/03/20 17:58:16 by tomoron #+# #+# */
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/* Updated: 2025/03/21 13:13:33 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include <stdio.h>
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#include <string.h>
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#include "srcs/includes/malloc.h"
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void malloc_free_test()
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{
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void *ptr[3];
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printf("MALLOC TEST (pointers shouldn't be null):\n");
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ptr[0] = malloc(42);
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printf("tiny malloc : %p\n", ptr);
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ptr[1] = malloc(1024);
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printf("small malloc : %p\n", ptr);
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ptr[2] = malloc(16384 * 1024);
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printf("large malloc : %p\n", ptr);
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printf("\n\n\nFREE TEST (1024 bloc is from printf):\n");
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printf("before : \n");
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show_alloc_mem();
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printf("\n");
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free(ptr[0]);
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free(ptr[1]);
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free(ptr[2]);
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printf("after : \n");
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show_alloc_mem();
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}
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void realloc_test()
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{
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void *ptr[3];
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printf("\n\n\nREALLOC TEST :\n");
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printf("test 1 : the data in the first print should be the same in the second print and the size should be 20 in the show alloc\n");
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ptr[0] = malloc(10);
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strcpy(ptr[0], "potato");
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printf("before realloc : %s\nptr : %p\n", (char *)ptr[0], ptr[0]);
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ptr[0] = realloc(ptr[0], 20);
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printf("after realloc :%s\nptr : %p\n", (char *)ptr[0], ptr[0]);
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show_alloc_mem();
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printf("test 2 : changing chunk size (form 20 to 500), the pointer used is the same as test1\n");
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ptr[0] = realloc(ptr[0], 500);
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printf("after realloc :%s\nptr : %p\n", (char *)ptr[0], ptr[0]);
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show_alloc_mem();
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printf("test 3 : changing chunk size (form 500 to 8192), the pointer used is the same as test2\n");
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ptr[0] = realloc(ptr[0], 8192);
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printf("after realloc :%s\nptr : %p\n", (char *)ptr[0], ptr[0]);
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show_alloc_mem();
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free(ptr[0]);
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}
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void show_alloc_ex_test()
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{
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char *data;
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printf("\n\n\nSHOW_ALLOC_EX TEST:\n");
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data = malloc(1020);
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memset(data, 0, 1020);
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strcpy(data, "0123456789abcdef");
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strcpy(data + 16, "potato");
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data[584] = 'a';
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show_alloc_mem_ex();
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}
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int main(void)
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{
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malloc_free_test();
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realloc_test();
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show_alloc_ex_test();
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#if 1
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printf("allocating memory before end of program\n");
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malloc(10);
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malloc(50);
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malloc(8000);
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malloc(1024);
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#endif
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}
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