| /* |
| * Copyright (c) 2001, 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. |
| */ |
| |
| import java.util.*; |
| |
| /** |
| * @test |
| * @bug 4503672 |
| * @summary AbstractMap.equals and AbstractSet.equals are fragile: they |
| * throw exceptions when they should return false. |
| * @author Josh Bloch |
| */ |
| public class Equals { |
| public static void main(String[] args) { |
| Map m = new HashMap(); |
| m.put(null, ""); |
| Map h = new Hashtable(); |
| h.put("", ""); |
| if (m.equals(h)) |
| throw new RuntimeException("1"); |
| |
| Map m1 = new TreeMap(); |
| m1.put(new Integer(42), "The Answer"); |
| Map m2 = new TreeMap(); |
| m2.put("The Answer", new Integer(42)); |
| if (m1.equals(m2)) |
| throw new RuntimeException("3"); |
| |
| Set s1 = new TreeSet(); |
| s1.add(new Integer(666)); |
| Set s2 = new TreeSet(); |
| s2.add("Great googly moogly!"); |
| if (s1.equals(s2)) |
| throw new RuntimeException("2"); |
| } |
| } |