78 lines
2.4 KiB
Java
78 lines
2.4 KiB
Java
/*
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* Copyright (c) 2007, 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @key stress
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*
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* @summary converted from VM Testbase gc/gctests/StringGC.
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent, quick]
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*
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* @library /vmTestbase
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* /test/lib
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* @run main/othervm gc.gctests.StringGC.StringGC
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*/
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package gc.gctests.StringGC;
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import nsk.share.test.*;
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import nsk.share.gc.*;
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/**
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* Test that added strings are collected.
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*
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* Idea based on old tests:
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* gc/gctests/StringGC02
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* gc/gctests/TestStringGC
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*/
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public class StringGC extends ThreadedGCTest {
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private final String toAdd = "abcdef";
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private int maxLength;
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private class StringAdder implements Runnable {
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private String s;
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public void run() {
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s = s + toAdd;
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if (s.length() > maxLength)
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s = "";
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}
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}
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protected Runnable createRunnable(int i) {
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return new StringAdder();
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}
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public void run() {
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maxLength = (int) Math.min(
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runParams.getTestMemory() / runParams.getNumberOfThreads() / toAdd.length(),
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Integer.MAX_VALUE);
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super.run();
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}
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public static void main(String[] args) {
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GC.runTest(new StringGC(), args);
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}
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}
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