Pintos: pintos/src/tests/filesys/extended/dir-open.c Source File

00001 /* Opens a directory, then tries to write to it, which must
00002    fail. */
00003 
00004 #include <syscall.h>
00005 #include "tests/lib.h"
00006 #include "tests/main.h"
00007 
00008 void
00009 test_main (void) 
00010 {
00011   int fd;
00012   int retval;
00013   
00014   CHECK (mkdir ("xyzzy"), "mkdir \"xyzzy\"");
00015   CHECK ((fd = open ("xyzzy")) > 1, "open \"xyzzy\"");
00016 
00017   msg ("write \"xyzzy\"");
00018   retval = write (fd, "foobar", 6);
00019   CHECK (retval == -1,
00020          "write \"xyzzy\" (must return -1, actually %d)", retval);
00021 }