--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/io/SystemInAvailable.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,46 @@
+/*
+ * Copyright 1998-1999 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+   @bug 4135795
+   @summary Make sure that System.in.available() works
+            when System.in is the keyboard
+   @run ignore This test requires console (/dev/tty) input, which is not
+               supported by the current harness
+ */
+
+
+import java.io.*;
+
+public class SystemInAvailable {
+
+    public static void main(String[] args) throws Exception {
+        byte[] b = new byte[1024];
+        System.out.print("Press <enter>: ");
+        System.out.flush();
+        System.in.read(b);
+        int a = System.in.available();
+        if (a != 0) throw new Exception("System.in.available() ==> " + a);
+    }
+
+}