1 /* 2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4913433 27 * @summary Generic framework to test Method.equals. 28 * 29 * @clean A 30 * @compile -source 1.5 Equals.java 31 * @run main Equals 32 */ 33 34 import java.lang.reflect.*; 35 36 class A { 37 public Object m() { return this; } 38 } 39 40 public class Equals extends A { 41 public Equals m() { return this; } 42 43 public static void main(String [] args) { 44 Equals e = new Equals(); 45 e.returnType(); 46 } 47 48 private void returnType() { 49 Class c = this.getClass(); 50 Method [] ma = c.getMethods(); 51 Method m0 = null, m1 = null; 52 53 for (int i = 0; i < ma.length; i++) { 54 if (ma[i].getName().equals("m")) { 55 if (m0 == null) { 56 m0 = ma[i]; 57 continue; 58 } else { 59 m1 = ma[i]; 60 break; 61 } 62 } 63 } 64 65 if (m0 == null || m1 == null) 66 throw new RuntimeException("Can't find bridge methods"); 67 68 if (m0.equals(m1)) 69 throw new RuntimeException("Return types not compared"); 70 System.out.println("\"" + m0 + "\" and \"" + m1 + "\" are different"); 71 } 72 }