1 /* 2 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @author Gary Ellison 27 * @bug 4170635 28 * @summary Verify equals()/hashCode() contract honored 29 * @modules java.base/sun.security.x509 30 */ 31 32 import java.io.*; 33 34 import sun.security.x509.*; 35 36 public class AlgorithmIdEqualsHashCode { 37 38 public static void main(String[] args) throws Exception { 39 40 AlgorithmId ai1 = AlgorithmId.get("DH"); 41 AlgorithmId ai2 = AlgorithmId.get("DH"); 42 AlgorithmId ai3 = AlgorithmId.get("DH"); 43 44 45 // supposedly transitivity is broken 46 // System.out.println(ai1.equals(ai2)); 47 // System.out.println(ai2.equals(ai3)); 48 // System.out.println(ai1.equals(ai3)); 49 50 if ( (ai1.equals(ai2)) == (ai2.equals(ai3)) == (ai1.equals(ai3))) 51 System.out.println("PASSED transitivity test"); 52 else 53 throw new Exception("Failed equals transitivity() contract"); 54 55 if ( (ai1.equals(ai2)) == (ai1.hashCode()==ai2.hashCode()) ) 56 System.out.println("PASSED equals()/hashCode() test"); 57 else 58 throw new Exception("Failed equals()/hashCode() contract"); 59 60 } 61 }