|
1 /* |
|
2 * Copyright (c) 2004, 2016, 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 /** |
|
25 * @test |
|
26 * @bug 4990596 |
|
27 * @summary Make sure that any subclass of Number can be formatted using DecimalFormat.format(). |
|
28 */ |
|
29 |
|
30 import java.text.DecimalFormat; |
|
31 |
|
32 public class Bug4990596 { |
|
33 |
|
34 public static void main(String[] args) { |
|
35 new DecimalFormat().format(new MutableInteger(0)); |
|
36 } |
|
37 |
|
38 @SuppressWarnings("serial") |
|
39 public static class MutableInteger extends Number { |
|
40 public int value; |
|
41 |
|
42 public MutableInteger() { |
|
43 } |
|
44 public MutableInteger(int value) { |
|
45 this.value = value; |
|
46 } |
|
47 public double doubleValue() { |
|
48 return this.value; |
|
49 } |
|
50 public float floatValue() { |
|
51 return this.value; |
|
52 } |
|
53 public int intValue() { |
|
54 return this.value; |
|
55 } |
|
56 public long longValue() { |
|
57 return this.value; |
|
58 } |
|
59 } |
|
60 } |