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/*
* Copyright (c) 2011, 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 6935022
* @summary Server VM incorrectly breaks out of while loop
*
* @run main compiler.c2.Test6935022
*/
package compiler.c2;
public class Test6935022 {
public static final void main(String[] args) throws Exception {
Test6935022 test = new Test6935022();
int cnt = 0;
while (cnt < 10000) {
try {
++cnt;
if ((cnt&1023) == 0)
System.out.println("Thread="+Thread.currentThread().getName() + " iteration: " + cnt);
test.loop(2147483647, (cnt&1023));
}
catch (Exception e) {
System.out.println("Caught on iteration " + cnt);
e.printStackTrace();
System.exit(97);
}
}
}
private void loop(int endingRow, int mask) throws Exception {
int rows = 1;
boolean next = true;
while(rows <= endingRow && next) {
rows++;
if (rows == mask)
System.out.println("Rows="+rows+", end="+endingRow+", next="+next);
next = next(rows);
}
if (next)
throw new Exception("Ended on rows(no rs): " + rows);
}
private boolean next(int rows) {
return rows < 12;
}
}
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