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/*
* Copyright (c) 2007, 2020, 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
* @key stress
*
* @summary converted from VM Testbase gc/gctests/StringGC.
* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, quick]
*
* @library /vmTestbase
* /test/lib
* @run main/othervm gc.gctests.StringGC.StringGC
*/
package gc.gctests.StringGC;
import nsk.share.test.*;
import nsk.share.gc.*;
/**
* Test that added strings are collected.
*
* Idea based on old tests:
* gc/gctests/StringGC02
* gc/gctests/TestStringGC
*/
public class StringGC extends ThreadedGCTest {
private final String toAdd = "abcdef";
private int maxLength;
private class StringAdder implements Runnable {
private String s;
public void run() {
s = s + toAdd;
if (s.length() > maxLength)
s = "";
}
}
protected Runnable createRunnable(int i) {
return new StringAdder();
}
public void run() {
maxLength = (int) Math.min(
runParams.getTestMemory() / runParams.getNumberOfThreads() / toAdd.length(),
Integer.MAX_VALUE);
super.run();
}
public static void main(String[] args) {
GC.runTest(new StringGC(), args);
}
}
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