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OS/pintos-env/pintos/tests/userprog/read-bad-fd.c

21 lines
427 B
C
Executable file

/* Tries to read from an invalid fd,
which must either fail silently or terminate the process with
exit code -1. */
#include <limits.h>
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
char buf;
read (0x20101234, &buf, 1);
read (5, &buf, 1);
read (1234, &buf, 1);
read (-1, &buf, 1);
read (-1024, &buf, 1);
read (INT_MIN, &buf, 1);
read (INT_MAX, &buf, 1);
}