Fri, 10 Dec 2010 15:24:17 +0000
6199075: Unambiguous varargs method calls flagged as ambiguous
Summary: javac does not implement overload resolution w.r.t. varargs methods as described in the JLS
Reviewed-by: jjg
1 /*
2 * Copyright (c) 2003, 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 */
24 /*
25 * @test
26 * @bug 4881397
27 * @summary generics: verify error when redundant parens used!
28 * @author gafter
29 *
30 * @compile ParenVerify.java
31 * @run main ParenVerify
32 */
34 import java.util.*;
36 public class ParenVerify {
38 public static void main(String argss[]) {
39 for(Iterator<Integer> i = test("Foo"); i.hasNext(); )
40 System.out.println(i.next());
41 }
42 static HashMap<String, LinkedList<Integer>> m
43 = new HashMap<String, LinkedList<Integer>>();
45 public static Iterator<Integer> test(String s) {
46 LinkedList<Integer> lst = new LinkedList<Integer>();
47 lst.add(new Integer(12));
48 m.put("Hello", lst);
50 // jsr14-1.3ea generates code that won't verify.
51 // Removing the extra set of parenthesis in the
52 // statement below fixes the problem
53 lst = (m.get("Hello"));
54 return lst.iterator();
55 }
56 }