/*

 * Copyright (c) 1998, 2005, 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 4143651 5085148

 *

 * @summary Test if Writer methods will check if the stream

 *           has been closed.

 */

import java.io.*;

public class WriteAfterClose {

    static boolean failed = false;

    static void testWrite(Writer wtr) throws Exception {

        // These tests could be tighted to only check for a particular

        // kind of exception, but in 1.2beta4 StringWriter and

        // other writers throw RuntimeExceptions

        char[] cbuf = new char[2];

        wtr.close();

        System.out.println("Class " + wtr.getClass().getName());

        try {

            wtr.write('a');

            System.out.println("FAILED: Allows char write on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        try {

            wtr.write(cbuf, 0, 1);

            System.out.println("FAILED: Allows buffer write on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        try {

            wtr.write(cbuf, 0, 0);

            System.out.println("FAILED: Allows empty write on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        try {

            wtr.write("a");

            System.out.println("FAILED: Allows string write on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        try {

            wtr.write("a", 0, 1);

            System.out.println("FALIED: Allows string buf write on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        try {

            wtr.flush();

            System.out.println("FAILED: Allows flushing writer on a closed stream");

            failed = true;

        } catch (Exception e) {

        }

        wtr.close();

    }

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

        StringWriter sw = new StringWriter();

        testWrite(new BufferedWriter(sw));

        ByteArrayOutputStream bos = new ByteArrayOutputStream();

        OutputStreamWriter osw = new OutputStreamWriter(bos);

        testWrite(osw);

        File f = new File(System.getProperty("test.dir", "."),

                          "NewFile");

        f.createNewFile();

        f.deleteOnExit();

        FileWriter fr = new FileWriter(f);

        testWrite(fr);

        if (failed) {

            throw new Exception("The test failed because one of the"

                +  " writer operation{s} failed. Check the messages");

        }

    }

}