59 lines
2.0 KiB
Java
59 lines
2.0 KiB
Java
/*
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* Copyright (c) 2012, Oracle and/or its affiliates. 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 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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*/
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/*
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* @test
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* @bug 7164256
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* @summary EnumMap.entrySet() returns an entrySet referencing to the cloned instance
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* @author Diego Belfer
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*/
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import java.util.EnumMap;
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public class ProperEntrySetOnClone {
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public enum Test {
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ONE, TWO
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}
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public static void main(String[] args) {
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EnumMap<Test, String> map1 = new EnumMap<Test, String>(Test.class);
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map1.put(Test.ONE, "1");
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map1.put(Test.TWO, "2");
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// We need to force creation of the map1.entrySet
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int size = map1.entrySet().size();
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if (size != 2) {
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throw new RuntimeException(
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"Invalid size in original map. Expected: 2 was: " + size);
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}
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EnumMap<Test, String> map2 = map1.clone();
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map2.remove(Test.ONE);
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size = map2.entrySet().size();
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if (size != 1) {
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throw new RuntimeException(
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"Invalid size in cloned instance. Expected: 1 was: " + size);
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}
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}
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}
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