doc: use ASCII in .texi files where UTF-8 isn't needed

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

diff --git a/tests/test-fchdir.c b/tests/test-fchdir.c
index 53d6631..b771223 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) 2009-2014 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
@@ -20,35 +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>
 
-#define ASSERT(expr) \
-  do                                                                        \
-    {                                                                       \
-      if (!(expr))                                                          \
-        {                                                                   \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                  \
-          abort ();                                                         \
-        }                                                                   \
-    }                                                                       \
-  while (0)
+#include "cloexec.h"
+#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);
@@ -56,34 +65,44 @@ 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;
-       char *new_dir = malloc (len);
-       ASSERT (new_dir);
-       ASSERT (getcwd (new_dir, len) == new_dir);
-       ASSERT (strcmp (cwd, new_dir) == 0);
-       free (new_dir);
+        size_t len = strlen (cwd) + 1;
+        char *new_dir = malloc (len);
+        ASSERT (new_dir);
+        ASSERT (getcwd (new_dir, len) == new_dir);
+        ASSERT (strcmp (cwd, new_dir) == 0);
+        free (new_dir);
       }
 
       /* For second iteration, use a cloned fd, to ensure that dup
-        remembers whether an fd was associated with a directory.  */
+         remembers whether an fd was associated with a directory.  */
       if (!i)
-       {
-         int new_fd = dup (fd);
-         ASSERT (0 <= new_fd);
-         ASSERT (close (fd) == 0);
-         fd = new_fd;
-       }
+        {
+          int new_fd = dup (fd);
+          ASSERT (0 <= new_fd);
+          ASSERT (close (fd) == 0);
+          ASSERT (dup2 (new_fd, fd) == fd);
+          ASSERT (close (new_fd) == 0);
+          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
+        }
     }
 
   free (cwd);