Thu, 21 Feb 2013 15:26:46 +0000
8007461: Regression: bad overload resolution when inner class and outer class have method with same name
Summary: Fix regression in varargs method resolution introduced by bad refactoring
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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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
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22 */
24 /**
25 * @test
26 * @bug 6365166
27 * @summary javac (generic) unable to resolve methods
28 * @compile NewTest.java
29 */
31 import java.util.*;
33 public class NewTest<A,B> {
34 private List<A> toAdd;
36 public NewTest(List<A> toAdd) {
37 this.toAdd = toAdd;
38 }
40 private List<A> getRelated(B b) {
41 //some application logic
42 //for demo
43 return toAdd;
44 }
46 @SuppressWarnings("unchecked")
47 public <L extends List<? super A>,LF extends Factory<L>> L addOrCreate4(B b,L l,LF lf) {
48 if (l == null) {
49 l = lf.create();
50 }
51 ((List<? super A>)l).addAll(getRelated(b)); //to get round the compiler bug
52 return l;
53 }
55 public static class ListFactory<T> implements Factory<List<T>>{
56 public List<T> create() {
57 return new ArrayList<T>();
58 }
59 }
60 public static interface Factory<T> {
61 public T create();
62 }
64 public static void main(String ... args) {
65 ListFactory<Number> lf = new ListFactory<Number>();
66 List<Long> longs = new ArrayList<Long>();
67 longs.add(new Long(1));
68 NewTest<Long,Number> test = new NewTest<Long,Number>(longs);
70 List<Number> ret4 = null;
72 ret4 = test.addOrCreate4(1, ret4,lf);
74 }
75 }