1 /*

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /* @test

    25    @bug 4103356 4121985

    26    @summary Test new subclassing features of PrintWriter

    27  */

    28 

    29 import java.io.*;

    30 

    31 

    32 public class SubClass {

    33 

    34 

    35     static class PW extends PrintWriter {

    36 

    37         PW(Writer out) {

    38             super(out);

    39         }

    40 

    41         public void println() {

    42             try {

    43                 out.write("[EOL]");

    44             } catch (IOException x) {

    45                 setError();

    46             }

    47             super.println();

    48         }

    49 

    50     }

    51 

    52 

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

    54         StringWriter sw = new StringWriter();

    55         PrintWriter pw = new PW(sw);

    56         pw.println("Hello");

    57         pw.close();

    58         String s = sw.toString();

    59         System.err.print(s);

    60         if (!s.equals("Hello[EOL]" + System.getProperty("line.separator")))

    61             throw new Exception("Subclass broken");

    62     }

    63 

    64 }