| 1 |
jsr166 |
1.1 |
/* |
| 2 |
jsr166 |
1.2 |
* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| 3 |
jsr166 |
1.1 |
* 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 |
jsr166 |
1.2 |
* 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 |
jsr166 |
1.1 |
*/ |
| 23 |
|
|
|
| 24 |
|
|
/* |
| 25 |
|
|
* @test |
| 26 |
|
|
* @bug 4486049 |
| 27 |
|
|
* @summary toString method fails if size changes in between a call to size |
| 28 |
|
|
* and an attempt to iterate. |
| 29 |
|
|
* @author Josh Bloch |
| 30 |
|
|
*/ |
| 31 |
|
|
|
| 32 |
jsr166 |
1.3 |
import java.util.LinkedHashMap; |
| 33 |
|
|
import java.util.Map; |
| 34 |
jsr166 |
1.1 |
|
| 35 |
|
|
public class ToString { |
| 36 |
|
|
public static void main(String[] args) { |
| 37 |
|
|
Map m = new LyingMap(); |
| 38 |
|
|
if (!m.toString().equals("{}")) |
| 39 |
|
|
throw new RuntimeException(m.toString() + "!= {}"); |
| 40 |
|
|
|
| 41 |
|
|
m.put("x", "1"); |
| 42 |
|
|
if (!m.toString().equals("{x=1}")) |
| 43 |
|
|
throw new RuntimeException(m.toString() + "!= {x=1}"); |
| 44 |
|
|
|
| 45 |
|
|
m.put("y", "2"); |
| 46 |
|
|
if (!m.toString().equals("{x=1, y=2}")) |
| 47 |
|
|
throw new RuntimeException(m.toString() + "!= {x=1, y=2}"); |
| 48 |
|
|
} |
| 49 |
|
|
} |
| 50 |
|
|
|
| 51 |
|
|
class LyingMap extends LinkedHashMap { |
| 52 |
|
|
public int size() { |
| 53 |
|
|
return super.size() + 1; // Lies, lies, all lies! |
| 54 |
|
|
} |
| 55 |
|
|
} |
