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test_dmalloc.c
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test_dmalloc.c
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#include <stdlib.h>
#include <stdio.h>
#include "dmm.h"
int main(int argc, char *argv[])
{
// Summary of Calls
// A. ar0 = dmalloc(5)
// B. ar1 = dmalloc(200)
// C. ar2 = dmalloc(900) **Supposed to fail**
char *ar0, *ar1, *ar2;
int i;
// dmalloc Ar0
printf("ar 0: calling dmalloc(5)\n");
ar0 = dmalloc(5);
if (ar0 == NULL) {
fprintf(stderr, "ar0 dmalloc has failed");
exit(1);
}
for (i = 0; i < 5; ++i) {
ar0[i] = 'A';
}
for (i = 0; i < 5; ++i) {
printf("%c", ar0[i]);
}
printf("\n");
// dmalloc Ar1
printf("ar 1: calling dmalloc(200)\n");
ar1 = dmalloc(200);
if (ar1 == NULL) {
fprintf(stderr, "ar1 dmalloc has failed");
exit(1);
}
for (i = 0; i < 200; ++i) {
ar1[i] = 'B';
}
for (i = 0; i < 200; ++i) {
printf("%c", ar1[i]);
}
printf("\n");
// dmalloc ar2
printf("ar 2: calling dmalloc(900)\n");
ar2 = dmalloc(900);
printf("%p\n", ar2);
if (ar2 == NULL) {
printf("ar2 dmalloc call succesfully failed\n");
} else {
printf("\ndmalloc(900) should return NULL\n");
exit(1);
}
printf("\n\ndmalloc tests passed!\n");
return 0;
}