Thu, 23 Oct 2008 18:29:11 +0100
6557954: Inner class type parameters doesn't get substituted when checking type well-formedness
Summary: Validator.visitTypeApply should substitute all formal typevars with actual parameters
Reviewed-by: jjg
1 /*
2 * Copyright 2003 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 */
24 /*
25 * @test
26 * @bug 4912795
27 * @summary AbstractMethodError throws if not redeclare abstract iterator() method
28 * @author gafter
29 *
30 * @compile -source 1.5 SuperfluousAbstract.java
31 * @run main SuperfluousAbstract
32 */
34 import java.util.AbstractCollection;
35 import java.util.Collection;
36 import java.util.Iterator;
38 interface Q<E> extends Collection<E> {}
40 abstract class AbstractQ<E> extends AbstractCollection<E> implements Q<E> {
41 // Uncomment this to avoid the AbstractMethodError:
42 //public abstract Iterator<E> iterator();
43 }
45 class ConcreteQ<E> extends AbstractQ<E> {
46 public int size() { return 0; }
47 public Iterator<E> iterator() { return null; }
48 }
50 public class SuperfluousAbstract {
51 public static void main(String[] args) {
52 try {
53 Q<Integer> q = new ConcreteQ<Integer>() ;
54 for (Integer i : q) {}
55 }
56 catch (AbstractMethodError e) {
57 e.printStackTrace(System.err);
58 }
59 catch (NullPointerException e) {
60 // expected, since iterator() returns null
61 }
62 }
63 }