J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2001 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 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 | import java.util.*; |
| 33 | |
| 34 | public class ToString { |
| 35 | public static void main(String[] args) { |
| 36 | Map m = new LyingMap(); |
| 37 | if (!m.toString().equals("{}")) |
| 38 | throw new RuntimeException(m.toString() + "!= {}"); |
| 39 | |
| 40 | m.put("x", "1"); |
| 41 | if (!m.toString().equals("{x=1}")) |
| 42 | throw new RuntimeException(m.toString() + "!= {x=1}"); |
| 43 | |
| 44 | m.put("y", "2"); |
| 45 | if (!m.toString().equals("{x=1, y=2}")) |
| 46 | throw new RuntimeException(m.toString() + "!= {x=1, y=2}"); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | class LyingMap extends LinkedHashMap { |
| 51 | public int size() { |
| 52 | return super.size() + 1; // Lies, lies, all lies! |
| 53 | } |
| 54 | } |