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

--- a/tests/test-fsync.c
+++ b/tests/test-fsync.c
@@ -44,9 +44,16 @@
       }
 
   /* fsync must fail on invalid fd.  */
-  errno = 0;
-  ASSERT (fsync (-1) == -1);
-  ASSERT (errno == EBADF);
+  {
+    errno = 0;
+    ASSERT (fsync (-1) == -1);
+    ASSERT (errno == EBADF);
+  }
+  {
+    errno = 0;
+    ASSERT (fsync (99) == -1);
+    ASSERT (errno == EBADF);
+  }
 
   fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644);
   ASSERT (0 <= fd);