pty: Activate the signature wrapper of forkpty.

[gnulib.git] / tests / test-fchdir.c

diff --git a/tests/test-fchdir.c b/tests/test-fchdir.c
index 1906559..7a6de80 100644 (file)
--- a/tests/test-fchdir.c
+++ b/tests/test-fchdir.c
@@ -1,5 +1,5 @@
 /* Test changing to a directory named by a file descriptor.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009-2013 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
@@ -20,37 +20,44 @@
 
 #include <unistd.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (fchdir, int, (int));
+
 #include <errno.h>
 #include <fcntl.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include "cloexec.h"
-
-#define ASSERT(expr) \
-  do                                                                         \
-    {                                                                        \
-      if (!(expr))                                                           \
-        {                                                                    \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                   \
-          abort ();                                                          \
-        }                                                                    \
-    }                                                                        \
-  while (0)
+#include "macros.h"
 
 int
 main (void)
 {
-  char *cwd = getcwd (NULL, 0);
-  int fd = open (".", O_RDONLY);
+  char *cwd;
+  int fd;
   int i;
 
+  cwd = getcwd (NULL, 0);
   ASSERT (cwd);
+
+  fd = open (".", O_RDONLY);
   ASSERT (0 <= fd);
 
-  /* Check for failure cases.  */
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (fchdir (-1) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    close (99);
+    errno = 0;
+    ASSERT (fchdir (99) == -1);
+    ASSERT (errno == EBADF);
+  }
+
+  /* Check for other failure cases.  */
   {
     int bad_fd = open ("/dev/null", O_RDONLY);
     ASSERT (0 <= bad_fd);
@@ -58,15 +65,12 @@ main (void)
     ASSERT (fchdir (bad_fd) == -1);
     ASSERT (errno == ENOTDIR);
     ASSERT (close (bad_fd) == 0);
-    errno = 0;
-    ASSERT (fchdir (-1) == -1);
-    ASSERT (errno == EBADF);
   }
 
   /* Repeat test twice, once in '.' and once in '..'.  */
   for (i = 0; i < 2; i++)
     {
-      ASSERT (chdir (".." + 1 - i) == 0);
+      ASSERT (chdir (&".."[1 - i]) == 0);
       ASSERT (fchdir (fd) == 0);
       {
         size_t len = strlen (cwd) + 1;
@@ -89,6 +93,15 @@ main (void)
           ASSERT (dup_cloexec (fd) == new_fd);
           ASSERT (dup2 (new_fd, fd) == fd);
           ASSERT (close (new_fd) == 0);
+          ASSERT (fcntl (fd, F_DUPFD_CLOEXEC, new_fd) == new_fd);
+          ASSERT (close (fd) == 0);
+          ASSERT (fcntl (new_fd, F_DUPFD, fd) == fd);
+          ASSERT (close (new_fd) == 0);
+#if GNULIB_TEST_DUP3
+          ASSERT (dup3 (fd, new_fd, 0) == new_fd);
+          ASSERT (dup3 (new_fd, fd, 0) == fd);
+          ASSERT (close (new_fd) == 0);
+#endif
         }
     }