/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * Portions Copyright (c) 2011 IBM Corporation */ /* * @test * @bug 6312706 * @summary Sets from Map.entrySet() return distinct objects for each Entry * @author Neil Richards , */ package test.java.util.EnumMap; import java.util.EnumMap; import java.util.HashSet; import java.util.Map; import java.util.Set; import org.testng.Assert; import org.testng.annotations.Test; public class DistinctEntrySetElements { static enum TestEnum { e00, e01, e02 } @Test public void testDistinctElements() { final EnumMap enumMap = new EnumMap<>(TestEnum.class); for (TestEnum e : TestEnum.values()) { enumMap.put(e, e.name()); } Set> entrySet = enumMap.entrySet(); HashSet> hashSet = new HashSet<>(entrySet); Assert.assertTrue(hashSet.equals(entrySet)); Assert.assertEquals(hashSet.hashCode(), entrySet.hashCode()); } }