| /* |
| * Copyright (c) 2004, 2016, 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 4990596 |
| * @summary Make sure that any subclass of Number can be formatted using DecimalFormat.format(). |
| */ |
| |
| import java.text.DecimalFormat; |
| |
| public class Bug4990596 { |
| |
| public static void main(String[] args) { |
| new DecimalFormat().format(new MutableInteger(0)); |
| } |
| |
| public static class MutableInteger extends Number { |
| public int value; |
| |
| public MutableInteger() { |
| } |
| public MutableInteger(int value) { |
| this.value = value; |
| } |
| public double doubleValue() { |
| return this.value; |
| } |
| public float floatValue() { |
| return this.value; |
| } |
| public int intValue() { |
| return this.value; |
| } |
| public long longValue() { |
| return this.value; |
| } |
| } |
| } |