| /* |
| * Copyright 1997 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4047816 |
| * @summary certain inheritance patterns involving methods defined in |
| * Object used to cause spurious error messages. |
| * @author turnidge |
| * |
| * @compile CloneableProblem.java |
| */ |
| |
| interface A extends Cloneable |
| { |
| public Object clone() throws CloneNotSupportedException; |
| } |
| interface B extends A |
| { } |
| interface C extends A |
| { } |
| interface D extends B, C |
| { } |
| |
| public class CloneableProblem implements D |
| { |
| private int i; |
| public CloneableProblem(int i) |
| { |
| this.i = i; |
| } |
| public Object clone() |
| { |
| CloneableProblem theCloneableProblem = null; |
| try |
| { |
| theCloneableProblem = (CloneableProblem) super.clone(); |
| theCloneableProblem.i = i; |
| } |
| catch (CloneNotSupportedException cnse) |
| { } |
| return theCloneableProblem; |
| } |
| public static void main(String argv[]) |
| { |
| try |
| { |
| A a0 = new CloneableProblem(0); |
| A a1 = (A) a0.clone(); |
| B b0 = new CloneableProblem(0); |
| B b1 = (B) b0.clone(); |
| C c0 = new CloneableProblem(0); |
| C c1 = (C) c0.clone(); |
| D d0 = new CloneableProblem(0); |
| D d1 = (D) d0.clone(); |
| } |
| catch (CloneNotSupportedException cnse) |
| { } |
| } |
| } |