55 lines
1.8 KiB
Java
55 lines
1.8 KiB
Java
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/*
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* Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
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* 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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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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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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}
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