New module: mmalloc (mapped malloc)

[simgrid.git] / src / xbt / mmalloc / test / mmalloc_test.c

diff --git a/src/xbt/mmalloc/test/mmalloc_test.c b/src/xbt/mmalloc/test/mmalloc_test.c
new file mode 100644 (file)
index 0000000..656b66d
--- /dev/null
+++ b/src/xbt/mmalloc/test/mmalloc_test.c
@@ -0,0 +1,52 @@
+#include "../mmalloc.h"
+#include <stdio.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+#define BUFFSIZE 204800
+#define TESTSIZE 100
+
+int main() {
+  void *A,*B;
+  int fd1,fd2;
+  void *heapA,*heapB;  
+  void * pointers[TESTSIZE];
+/*
+  unlink("heap1");
+  fd1=open("heap1",O_CREAT|O_RDWR,S_IRWXU|S_IRWXG|S_IRWXO);
+  assert(fd1>0);
+    close(fd1);
+    fd1=open("heap1",O_RDWR);
+    assert(fd1>0);
+  */
+
+  heapA = mmalloc_attach(-1,sbrk(0) + BUFFSIZE);
+  if (heapA==NULL) {
+    perror("attach 1 failed");
+    fprintf(stderr,"bye\n");
+    exit(1);
+  }
+
+  fprintf(stderr,"HeapA=%p\n",heapA);
+  
+  int i, size;
+  for(i = 0; i < TESTSIZE; i++){
+    size = rand () % 1000;
+    pointers[i] = mmalloc(heapA,size);
+    fprintf(stderr,"%d bytes allocated at %p\n",size, pointers[i]);
+  }
+  char c;
+  scanf("%c",&c);
+
+  for(i = 0; i < TESTSIZE; i++){
+    mfree(heapA,pointers[i]);
+  }  
+  
+  fprintf(stderr,"Ok bye bye\n");
+  return 0;
+}