test/java/io/PipedOutputStream/ClosedWrite.java

/*
 * Copyright (c) 1998, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 1267258
 * @summary Check for IOException upon write on closed stream.
 *
 */

import java.io.*;

/**
 * This class tests to see if an IOException is thrown when
 * an attempt is made to write to a closed PipedOutputStream.
 */

public class ClosedWrite {

    public static void main(String[] argv) throws Exception {
        PipedOutputStream os = new PipedOutputStream();
        PipedInputStream is = new PipedInputStream();
        os.connect(is);
        os.close();
        try {
            os.write(10);
            throw new
                RuntimeException("No IOException upon write on closed Stream");
        } catch(IOException e) {
            System.err.println("Test passed: IOException thrown");
        }
    }
}