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comparison test/compiler/6857159/Test6857159.java @ 855:f9094a5e1c8a

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6857159: local schedule failed with checkcast of Thread.currentThread() Reviewed-by: kvn
author never
date Tue, 21 Jul 2009 16:42:58 -0700
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children c18cbe5936b8
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854:606c988ff684 855:f9094a5e1c8a
1 /*
2 * Copyright 2009 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 /**
26 * @test
27 * @bug 6857159
28 * @summary local schedule failed with checkcast of Thread.currentThread()
29 *
30 * @run shell Test6857159.sh
31 */
32
33 public class Test6857159 extends Thread {
34 static class ct0 extends Test6857159 {
35 public void message() {
36 // System.out.println("message");
37 }
38
39 public void run() {
40 message();
41 ct0 ct = (ct0) Thread.currentThread();
42 ct.message();
43 }
44 }
45 static class ct1 extends ct0 {
46 public void message() {
47 // System.out.println("message");
48 }
49 }
50 static class ct2 extends ct0 {
51 public void message() {
52 // System.out.println("message");
53 }
54 }
55
56 public static void main(String[] args) throws Exception {
57 for (int i = 0; i < 100000; i++) {
58 Thread t = null;
59 switch (i % 3) {
60 case 0: t = new ct0(); break;
61 case 1: t = new ct1(); break;
62 case 2: t = new ct2(); break;
63 }
64 t.start();
65 t.join();
66 }
67 }
68 }