--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2011-09-20  Bruno Haible  <bruno@clisp.org>
 
+	readlinkat tests: EBADF tests.
+	* tests/test-readlinkat.c (main): Add tests for EBADF.
+
 	symlinkat tests: EBADF tests.
 	* tests/test-symlinkat.c (main): Add tests for EBADF.
 

--- a/tests/test-readlinkat.c
+++ b/tests/test-readlinkat.c
@@ -59,6 +59,18 @@
   /* 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);
+  }
+  {
+    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);