ReorderedBoundsTest.java revision 3668:abfa6353574c 
1/*
2 * Copyright (c) 2016, 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 8166363
27 * @summary Method with reordered type parameter bounds compiles with Override annotation but does not actually override superclass method.
28 * @run main ReorderedBoundsTest
29 */
30
31import java.io.Serializable;
32
33public class ReorderedBoundsTest {
34  public static class Parent {
35    public <T extends Appendable & Serializable> String printClassName(T t) {
36      return "Parent";
37    }
38  }
39
40  public static class OrderedChild extends Parent {
41    @Override
42    public <T extends Appendable & Serializable> String printClassName(T t) {
43      return "OrderedChild";
44    }
45  }
46
47  public static class ReorderedChild extends Parent {
48    @Override
49    public <T extends Serializable & Appendable> String printClassName(T t) {
50      return "ReorderedChild";
51    }
52  }
53
54  public static void main(String[] args) {
55
56    String s;
57    Parent p = new OrderedChild();
58    if (!(s = p.printClassName(new StringBuilder())).equals("OrderedChild"))
59        throw new AssertionError("Bad output: " + s);
60
61    p = new ReorderedChild();
62    if (!(s = p.printClassName(new StringBuilder())).equals("ReorderedChild"))
63        throw new AssertionError("Bad output: " + s);
64  }
65}