Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
1 /*
2 * Copyright (c) 2015, 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 8080842
27 * @summary Ensure Scope impl can cope with remove() when a field and method share the name.
28 * @run main RemoveSymbolTest
29 */
31 import java.util.Iterator;
32 import java.util.LinkedList;
34 public class RemoveSymbolTest<W> implements Iterable<W> {
35 static class Widget {
36 private String name;
37 Widget(String s) { name = s; }
38 @Override public String toString() { return name; }
39 }
41 private LinkedList<W> data;
42 // Instantiate an Iterable instance using a Lambda expression.
43 // Causes ClassFormatError if a local variable of type Widget is named after one of the methods.
44 private final Iterable<W> myIterator1 = () -> new Iterator<W>() {
45 private W hasNext = null;
46 private int index = 0;
47 @Override public boolean hasNext() { return index < data.size(); }
48 @Override public W next() { return data.get(index++); }
49 };
51 // Instantiate an Iterable instance using an anonymous class.
52 // Always works fine regardless of the name of the local variable.
53 private final Iterable<W> myIterator2 =
54 new Iterable<W>() {
55 @Override
56 public Iterator<W> iterator() {
57 return new Iterator<W>() {
58 private W hasNext = null;
59 private int index = 0;
60 @Override public boolean hasNext() { return index < data.size(); }
61 @Override public W next() { return data.get(index++); }
62 };
63 }
64 };
65 public RemoveSymbolTest() { data = new LinkedList<>(); }
66 public void add(W e) { data.add(e); }
67 @Override public String toString() { return data.toString(); }
68 @Override public Iterator<W> iterator() { return myIterator1.iterator(); }
69 public static void main(String[] args) {
70 RemoveSymbolTest<Widget> widgets = new RemoveSymbolTest<>();
71 widgets.add(new Widget("W1"));
72 widgets.add(new Widget("W2"));
73 widgets.add(new Widget("W3"));
74 System.out.println(".foreach() call: ");
75 widgets.forEach(w -> System.out.println(w + " "));
76 }
77 }