Bug6989440.java revision 2869:b2cfe62ef802 
1/*
2 * Copyright (c) 2010, 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 */
23
24/*
25 * @test
26 * @bug 6989440
27 * @summary Verify ConcurrentModificationException is not thrown with multiple
28 *     thread accesses.
29 * @compile -XDignore.symbol.file=true Bug6989440.java
30 * @run main Bug6989440
31 */
32import java.text.spi.DateFormatProvider;
33import java.util.spi.LocaleNameProvider;
34import java.util.spi.LocaleServiceProvider;
35import java.util.spi.TimeZoneNameProvider;
36
37import sun.util.LocaleServiceProviderPool;
38
39public class Bug6989440 {
40    public static void main(String[] args) {
41        TestThread t1 = new TestThread(LocaleNameProvider.class);
42        TestThread t2 = new TestThread(TimeZoneNameProvider.class);
43        TestThread t3 = new TestThread(DateFormatProvider.class);
44
45        t1.start();
46        t2.start();
47        t3.start();
48    }
49
50    static class TestThread extends Thread {
51        private Class<? extends LocaleServiceProvider> cls;
52
53        public TestThread(Class<? extends LocaleServiceProvider> providerClass) {
54            cls = providerClass;
55        }
56
57        public void run() {
58            LocaleServiceProviderPool pool = LocaleServiceProviderPool.getPool(cls);
59            pool.getAvailableLocales();
60        }
61    }
62}
63