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OS/pintos-env/pintos/tests/filesys/base/syn-remove.c

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/* Verifies that a deleted file may still be written to and read
from. */
#include <random.h>
#include <string.h>
#include <syscall.h>
#include "tests/lib.h"
#include "tests/main.h"
char buf1[1234];
char buf2[1234];
void
test_main (void)
{
const char *file_name = "deleteme";
int fd;
CHECK (create (file_name, sizeof buf1), "create \"%s\"", file_name);
CHECK ((fd = open (file_name)) > 1, "open \"%s\"", file_name);
CHECK (remove (file_name), "remove \"%s\"", file_name);
random_bytes (buf1, sizeof buf1);
CHECK (write (fd, buf1, sizeof buf1) > 0, "write \"%s\"", file_name);
msg ("seek \"%s\" to 0", file_name);
seek (fd, 0);
CHECK (read (fd, buf2, sizeof buf2) > 0, "read \"%s\"", file_name);
compare_bytes (buf2, buf1, sizeof buf1, 0, file_name);
msg ("close \"%s\"", file_name);
close (fd);
}