| 1 | /*
|
|---|
| 2 | * Copyright (c) 1997, 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 | * @bug 4047816
|
|---|
| 27 | * @summary certain inheritance patterns involving methods defined in
|
|---|
| 28 | * Object used to cause spurious error messages.
|
|---|
| 29 | * @author turnidge
|
|---|
| 30 | *
|
|---|
| 31 | * @compile CloneableProblem.java
|
|---|
| 32 | */
|
|---|
| 33 |
|
|---|
| 34 | interface A extends Cloneable
|
|---|
| 35 | {
|
|---|
| 36 | public Object clone() throws CloneNotSupportedException;
|
|---|
| 37 | }
|
|---|
| 38 | interface B extends A
|
|---|
| 39 | { }
|
|---|
| 40 | interface C extends A
|
|---|
| 41 | { }
|
|---|
| 42 | interface D extends B, C
|
|---|
| 43 | { }
|
|---|
| 44 |
|
|---|
| 45 | public class CloneableProblem implements D
|
|---|
| 46 | {
|
|---|
| 47 | private int i;
|
|---|
| 48 | public CloneableProblem(int i)
|
|---|
| 49 | {
|
|---|
| 50 | this.i = i;
|
|---|
| 51 | }
|
|---|
| 52 | public Object clone()
|
|---|
| 53 | {
|
|---|
| 54 | CloneableProblem theCloneableProblem = null;
|
|---|
| 55 | try
|
|---|
| 56 | {
|
|---|
| 57 | theCloneableProblem = (CloneableProblem) super.clone();
|
|---|
| 58 | theCloneableProblem.i = i;
|
|---|
| 59 | }
|
|---|
| 60 | catch (CloneNotSupportedException cnse)
|
|---|
| 61 | { }
|
|---|
| 62 | return theCloneableProblem;
|
|---|
| 63 | }
|
|---|
| 64 | public static void main(String argv[])
|
|---|
| 65 | {
|
|---|
| 66 | try
|
|---|
| 67 | {
|
|---|
| 68 | A a0 = new CloneableProblem(0);
|
|---|
| 69 | A a1 = (A) a0.clone();
|
|---|
| 70 | B b0 = new CloneableProblem(0);
|
|---|
| 71 | B b1 = (B) b0.clone();
|
|---|
| 72 | C c0 = new CloneableProblem(0);
|
|---|
| 73 | C c1 = (C) c0.clone();
|
|---|
| 74 | D d0 = new CloneableProblem(0);
|
|---|
| 75 | D d1 = (D) d0.clone();
|
|---|
| 76 | }
|
|---|
| 77 | catch (CloneNotSupportedException cnse)
|
|---|
| 78 | { }
|
|---|
| 79 | }
|
|---|
| 80 | }
|
|---|
