T6450290.java revision 53:eaf608c64fec 
1/*
2 * Copyright 2004-2008 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 6450290
27 * @summary Capture of nested wildcards causes type error
28 * @author Maurizio Cimadamore
29 * @compile/fail T6450290.java
30 */
31
32public class T6450290 {
33    static class Box<X extends Box<?,?>, T extends X> {
34        T value;
35        Box<X, T> same;
36    }
37
38    static class A extends Box<A,A> {}
39    static class B extends Box<B,B> {}
40    public static void main(String[] args) {
41        Box<?,?> b = new Box<Box<A,A>,Box<A,A>>();
42        b.value.same = new Box<B,B>(); //javac misses this bad assignment
43    }
44}
45