strtoumax: fix typo in previous commit.

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

diff --git a/tests/test-readlinkat.c b/tests/test-readlinkat.c
index 1d588ac..c2ce6ef 100644 (file)
--- 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);