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jsr166 |
1.1 |
/* |
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jsr166 |
1.2 |
* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
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jsr166 |
1.1 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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jsr166 |
1.2 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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jsr166 |
1.1 |
*/ |
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/* |
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* @test |
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* @bug 4486049 |
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* @summary toString method fails if size changes in between a call to size |
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* and an attempt to iterate. |
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* @author Josh Bloch |
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*/ |
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import java.util.*; |
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public class ToString { |
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public static void main(String[] args) { |
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Map m = new LyingMap(); |
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if (!m.toString().equals("{}")) |
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throw new RuntimeException(m.toString() + "!= {}"); |
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m.put("x", "1"); |
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if (!m.toString().equals("{x=1}")) |
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throw new RuntimeException(m.toString() + "!= {x=1}"); |
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m.put("y", "2"); |
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if (!m.toString().equals("{x=1, y=2}")) |
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throw new RuntimeException(m.toString() + "!= {x=1, y=2}"); |
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} |
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} |
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class LyingMap extends LinkedHashMap { |
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public int size() { |
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return super.size() + 1; // Lies, lies, all lies! |
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} |
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} |
