rockbox/firmware/test/malloc/dmytest.c

#include <stdio.h>
#include <stdlib.h>

#include "dmalloc.h"
#include "bmalloc.h"

#define MAX 500
#define MAX2 1000
#define MAXC 2

#define TESTA
#define TESTB
#define TESTC
#define TESTD

int test1(void)
{
#define MAXK 100
  int i;
  void *wow[MAXK];
  for(i=0; i<MAXK; i++)
    if(!(wow[i]=malloc(412))) {
      printf("*** Couldn't allocate memory, exiting\n");
      return -2;
    }
  for(i=MAXK-1; i>=0; i-=2)
    free(wow[i]);
  return 0;
}

int test2(void)
{
#define MAXS 10
#define MAXS1 0
  int i;
  void *ptr[MAXS];

  for(i=MAXS1; i< MAXS; i++) {
    printf("%d malloc(%d)\n", i, i*55);
    ptr[i] = malloc (i*55);
  }
  for(i=MAXS1; i< MAXS; i++) {
    void *tmp;
    printf("%d realloc(%d)\n", i, i*155);
    tmp=realloc(ptr[i], i*155);
    if(tmp)
      ptr[i] = tmp;
  }
  for(i=MAXS1; i< MAXS; i++) {
    if(ptr[i]) {
      printf("%d free(%d)\n", i, i*155);
      free(ptr[i]);
    }
  }
  return 0;
}

int test3(void)
{
  int i;
  void *ptr[MAXC];
  printf("This is test C:\n");
    
  for(i=0; i< MAXC; i++) {
    printf("%d malloc(100)\n", i+1);
    ptr[i] = malloc(100);
    printf(" ...returned %p\n", ptr[i]);
  }

  for(i=0; i< MAXC; i++) {
    printf("%d free()\n", i+1);
    if(ptr[i])
      free(ptr[i]);
  }

  printf("End of test C:\n");

  return 0;
}

int test4(void)
{
  int i;
  int memory = 0;
  void *pointers[MAX];
  printf("This is test I:\n");

  for(i=0; i<MAX; i++) {
    printf("%d attempts malloc(%d)\n", i, i*6);
    pointers[i]=malloc(i*6);
    if(!pointers[i]) {
      printf("cant get more memory!");
      return(0);
    }
    memory += (i*6);
  }
  printf("\namount: %d\n", memory);
  memory = 0;
  for(i=0; i<MAX; i++) {
    printf("%d attempts realloc(%d)\n", i, i*7);
    pointers[i]=realloc(pointers[i], i*7);
    memory += i*7;
  }
  printf("\namount: %d\n", memory);
  for(i=0; i<MAX; i++) {
    printf("%d attempts free(%d)\n", i, i*7);
    free(pointers[i]);
  }
  printf("\nend of test 1\n");

  return 0;
}

int test5(void)
{
  int memory = 0;
  int i;
  void *pointers2[MAX2];
  memory = 0;
  printf("\nTest II\n");
  for(i=0; i< MAX2; i++) {
    printf("%d attempts malloc(%d)\n", i, 7);
    pointers2[i] = malloc(7);
    memory += 7;
  }
  printf("\namount: %d\n", memory);
  for(i=0; i< MAX2; i++) {
    if(pointers2[i])
      free(pointers2[i]);
  }
  printf("\nend of test II\n");

  return 0;
}

#define HEAPSIZE 10000

void smallblocks(void)
{
  void *ptr;
  int i=0;
  do {

    ptr = malloc(16);
    i++;
  } while(ptr);

  printf("I: %d\n", i);
}

int main(int argc, char **argv)
{
  void *heap = (malloc)(HEAPSIZE);
  if(!heap)
    return -1;
  dmalloc_initialize();
  bmalloc_add_pool(heap, HEAPSIZE);

  smallblocks();

  bmalloc_status();
  dmalloc_status();

  return 0;

  test1();
  test2();
  test3();
  test4();
  test5();

  return 0;
}