[SOLVED] CS /* Maps and unmaps a file and verifies that the mapped region is

/* Maps and unmaps a file and verifies that the mapped region is
inaccessible afterward. */

#include
#include tests/vm/sample.inc
#include tests/lib.h
#include tests/main.h

#define ACTUAL ((void *) 0x10000000)

void
test_main (void)
{
int handle;
mapid_t map;

CHECK ((handle = open (sample.txt)) > 1, open sample.txt);
CHECK ((map = mmap (handle, ACTUAL)) != MAP_FAILED, mmap sample.txt);

munmap (map);

fail (unmapped memory is readable (%d), *(int *) ACTUAL);
}