/*

 * Copyright (c) 1998, 1999, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/* @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);

    }

}