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  */
  23 
  24 /*
  25  * @test
  26  * @bug 4881397
  27  * @summary generics: verify error when redundant parens used!
  28  * @author gafter
  29  *
  30  * @compile -source 1.5 ParenVerify.java
  31  * @run main ParenVerify
  32  */
  33 
  34 import java.util.*;
  35 
  36 public class ParenVerify {
  37 
  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>>();
  44 
  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);
  49 
  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 }