X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-readlinkat.c;h=c2ce6ef7eba8c0ed3f70538d9541c25d4c271bdc;hb=fa1db0dd22768f09a507674a30beb5b8a87bb35f;hp=1d588ac39223b9acc772dbe33965764abdb3b8c2;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/tests/test-readlinkat.c b/tests/test-readlinkat.c
index 1d588ac39..c2ce6ef7e 100644
--- a/tests/test-readlinkat.c
+++ b/tests/test-readlinkat.c
@@ -1,5 +1,5 @@
 /* Tests of readlinkat.
-   Copyright (C) 2009-2011 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
@@ -59,6 +59,19 @@ main (void)
   /* Remove any leftovers from a previous partial run.  */
   ignore_value (system ("rm -rf " BASE "*"));
 
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (readlinkat (-1, "foo", buf, sizeof buf) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    close (99);
+    errno = 0;
+    ASSERT (readlinkat (99, "foo", buf, sizeof buf) == -1);
+    ASSERT (errno == EBADF);
+  }
+
   /* Perform same checks as counterpart functions.  */
   result = test_readlink (do_readlink, false);
   dfd = openat (AT_FDCWD, ".", O_RDONLY);