1 /*

     2  * Copyright 1998 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /* @test

    25    @bug 4140433 4140438

    26    @summary Test if ready works correctly.

    27 */

    28 

    29 import java.io.*;

    30 

    31 public class Ready {

    32     public static void main(String[] args) throws Exception {

    33         PipedWriter pw = new PipedWriter();

    34         PipedReader pr = new PipedReader(pw);

    35 

    36         pw.write("input characters");

    37         if (!pr.ready()) {

    38             throw new Exception("ready() should return true");

    39         }

    40         pr.close();

    41         try {

    42             pr.ready();

    43             throw new Exception("ready() should throw an exception");

    44         } catch (IOException e) {

    45         }

    46     }

    47 }