maint: update copyright

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

diff --git a/tests/test-openat.c b/tests/test-openat.c
index 6e6ba5b..ed50507 100644 (file)
--- a/tests/test-openat.c
+++ b/tests/test-openat.c
@@ -1,5 +1,5 @@
 /* Test that openat works.
-   Copyright (C) 2009-2011 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
@@ -65,6 +65,19 @@ main (int argc _GL_UNUSED, char *argv[])
 
   set_program_name (argv[0]);
 
+  /* Test behaviour for invalid file descriptors.  */
+  {
+    errno = 0;
+    ASSERT (openat (-1, "foo", O_RDONLY) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    close (99);
+    errno = 0;
+    ASSERT (openat (99, "foo", O_RDONLY) == -1);
+    ASSERT (errno == EBADF);
+  }
+
   /* Basic checks.  */
   result = test_open (do_open, false);
   dfd = open (".", O_RDONLY);