NameClashTest.java revision 3067:4b374a9b4b22 
1/*
2 * Copyright (c) 2015 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 8074803
27 * @summary Incorrect name clash error
28 *
29 * @compile NameClashTest.java
30 */
31
32public class NameClashTest {
33
34    String log = "";
35
36    interface A1 {
37        A1 m(String s);
38    }
39
40    abstract class A2 implements A1 {
41        public abstract A2 m(String s);
42    }
43
44    interface B1 {
45        A1 m(String s);
46    }
47
48    interface B2 extends B1 {
49        A2 m(String s);
50    }
51
52    abstract class C extends A2 implements B2 {}
53
54    class D extends C {
55
56        public A2 m(String s) {
57            log += s;
58            return null;
59        }
60    }
61
62    public static void main(String[] args) {
63        NameClashTest nct = new NameClashTest();
64        A1 a1 = nct.new D();
65        a1.m("A1.m ");
66        A2 a2 = nct.new D();
67        a2.m("A2.m ");
68        B1 b1 = nct.new D();
69        b1.m("B1.m ");
70        B2 b2 = nct.new D();
71        b2.m("B2.m ");
72        C c = nct.new D();
73        c.m("C.m ");
74        D d = nct.new D();
75        d.m("D.m ");
76        if (!nct.log.equals("A1.m A2.m B1.m B2.m C.m D.m "))
77            throw new AssertionError("unexpected output: " + nct.log);
78    }
79}
80