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-rw-r--r--tests/test-dup2.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/tests/test-dup2.c b/tests/test-dup2.c
deleted file mode 100644
index 2009aaa2..00000000
--- a/tests/test-dup2.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* Test duplicating file descriptors.
- Copyright (C) 2009 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* Written by Eric Blake <ebb9@byu.net>, 2009. */
-
-#include <config.h>
-
-#include <unistd.h>
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-/* Get declarations of the Win32 API functions. */
-# define WIN32_LEAN_AND_MEAN
-# include <windows.h>
-#endif
-
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
-
-/* Return non-zero if FD is open. */
-static int
-is_open (int fd)
-{
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
- /* On Win32, the initial state of unassigned standard file
- descriptors is that they are open but point to an
- INVALID_HANDLE_VALUE, and there is no fcntl. */
- return (HANDLE) _get_osfhandle (fd) != INVALID_HANDLE_VALUE;
-#else
-# ifndef F_GETFL
-# error Please port fcntl to your platform
-# endif
- return 0 <= fcntl (fd, F_GETFL);
-#endif
-}
-
-int
-main ()
-{
- const char *file = "test-dup2.tmp";
- char buffer[1];
- int fd = open (file, O_CREAT | O_RDWR, 0600);
-
- /* Assume std descriptors were provided by invoker. */
- ASSERT (STDERR_FILENO < fd);
- ASSERT (is_open (fd));
- /* Ignore any other fd's leaked into this process. */
- close (fd + 1);
- close (fd + 2);
- ASSERT (!is_open (fd + 1));
- ASSERT (!is_open (fd + 2));
-
- /* Assigning to self must be a no-op. */
- ASSERT (dup2 (fd, fd) == fd);
- ASSERT (is_open (fd));
-
- /* If the source is not open, then the destination is unaffected. */
- errno = 0;
- ASSERT (dup2 (fd + 1, fd + 1) == -1);
- ASSERT (errno == EBADF);
- ASSERT (!is_open (fd + 1));
- errno = 0;
- ASSERT (dup2 (fd + 1, fd) == -1);
- ASSERT (errno == EBADF);
- ASSERT (is_open (fd));
-
- /* The destination must be valid. */
- errno = 0;
- ASSERT (dup2 (fd, -2) == -1);
- ASSERT (errno == EBADF);
-
- /* Using dup2 can skip fds. */
- ASSERT (dup2 (fd, fd + 2) == fd + 2);
- ASSERT (is_open (fd));
- ASSERT (!is_open (fd + 1));
- ASSERT (is_open (fd + 2));
-
- /* Prove that dup2 closes the previous occupant of a fd. */
- ASSERT (open ("/dev/null", O_WRONLY, 0600) == fd + 1);
- ASSERT (dup2 (fd + 1, fd) == fd);
- ASSERT (close (fd + 1) == 0);
- ASSERT (write (fd, "1", 1) == 1);
- ASSERT (dup2 (fd + 2, fd) == fd);
- ASSERT (write (fd + 2, "2", 1) == 1);
- ASSERT (lseek (fd, SEEK_SET, 0) == 0);
- ASSERT (read (fd, buffer, 1) == 1);
- ASSERT (*buffer == '2');
-
- /* Clean up. */
- ASSERT (close (fd + 2) == 0);
- ASSERT (close (fd) == 0);
- ASSERT (unlink (file) == 0);
-
- return 0;
-}