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Add regression tests to make sure that attempting to call ftruncate() on

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various non-file objects fails.
This commit is contained in:
Robert Watson 2006-07-09 10:43:31 +00:00
parent cead9b1c1c
commit 17d6f0e53b
1 changed files with 47 additions and 6 deletions
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53
tools/regression/file/ftruncate/ftruncate.c
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@ -27,10 +27,7 @@
*/
/*
* Very simple regression test. Open a temporary file, then proceed to
* ftruncate it to various values and check that fstat returns those values.
* First we run forwards through a set of sizes starting with zero, then back
* again.
* Very simple regression test.
*
* Future tests that might be of interest:
*
@ -42,6 +39,9 @@
* - Make sure we get EISDIR on a directory.
*/
#include <sys/types.h>
#include <sys/event.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <err.h>
@ -63,9 +63,14 @@ int
main(int argc, char *argv[])
{
char path[PATH_MAX];
int fd, fds[2], i;
struct stat sb;
int fd, i;
/*
* Tests using a writable temporary file: grow and then shrink a file
* using ftruncate and various sizes. Make sure that a negative file
* size is rejected.
*/
snprintf(path, PATH_MAX, "/tmp/ftruncate.XXXXXXXXXXXXX");
fd = mkstemp(path);
if (fd < 0)
@ -96,7 +101,43 @@ main(int argc, char *argv[])
errx(-1, "fstat(%llu) returned %llu down", sizes[i],
sb.st_size);
}
close(fd);
/*
* Make sure that ftruncate on sockets doesn't work.
*/
fd = socket(PF_UNIX, SOCK_STREAM, 0);
if (fd < 0)
err(-1, "socket(PF_UNIX, SOCK_STREAM, 0)");
if (ftruncate(fd, 0) == 0)
errx(-1, "ftruncate(socket) succeeded");
if (errno != EINVAL)
err(-1, "ftruncate(socket) returned wrong error");
close(fd);
/*
* Make sure that ftruncate on pipes doesn't work.
*/
if (pipe(fds) < 0)
err(-1, "pipe");
if (ftruncate(fds[0], 0) == 0)
errx(-1, "ftruncate(pipe) succeeded");
if (errno != EINVAL)
err(-1, "ftruncate(pipe) returned wrong error");
close(fds[0]);
close(fds[1]);
/*
* Make sure that ftruncate on kqueues doesn't work.
*/
fd = kqueue();
if (fd < 0)
err(-1, "kqueue");
if (ftruncate(fds[0], 0) == 0)
errx(-1, "ftruncate(kqueue) succeeded");
if (errno != EINVAL)
err(-1, "ftruncate(kqueue) returned wrong error");
close(fd);
return (0);
}