test/tools/javac/generics/ParenVerify.java

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

     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 }

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