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/*
* Copyright (c) 2009, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @bug 6857159
* @summary local schedule failed with checkcast of Thread.currentThread()
* @library /test/lib
* @modules java.base/jdk.internal.misc
*
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:CompileCommand=compileonly,compiler.c2.Test6857159$ct0::run
* compiler.c2.Test6857159
*/
package compiler.c2;
import jdk.test.whitebox.WhiteBox;
public class Test6857159 extends Thread {
public static void main(String[] args) throws Exception {
var whiteBox = WhiteBox.getWhiteBox();
var method = ct0.class.getDeclaredMethod("run");
for (int i = 0; i < 20000; i++) {
Thread t = null;
switch (i % 3) {
case 0:
t = new ct0();
break;
case 1:
t = new ct1();
break;
case 2:
t = new ct2();
break;
}
t.start();
t.join();
}
if (!whiteBox.isMethodCompiled(method)) {
throw new AssertionError(method + " didn't get compiled");
}
}
static class ct0 extends Test6857159 {
public void message() { }
public void run() {
message();
ct0 ct = (ct0) Thread.currentThread();
ct.message();
}
}
static class ct1 extends ct0 {
public void message() { }
}
static class ct2 extends ct0 {
public void message() { }
}
}
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