Make tests public. Rewrite most tests. Add tests.

[pintos-anon] / src / tests / filesys / extended / dir-open.c

#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"

void
test_main (void) 
{
  int fd;
  
  CHECK (mkdir ("xyzzy"), "mkdir \"xyzzy\"");
  msg ("open \"xyzzy\"");
  fd = open ("xyzzy");
  if (fd == -1) 
    msg ("open returned -1 -- ok");
  else 
    {
      int retval = write (fd, "foobar", 6);
      CHECK (retval == -1, "write \"xyzzy\" (must return -1, actually %d)",
             retval);
    }
}