96 lines
3.6 KiB
Java
96 lines
3.6 KiB
Java
/*
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* Copyright (c) 2002, 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/fileTest.
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* VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
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*
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* @library /vmTestbase
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* /test/lib
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* @run driver jdk.test.lib.FileInstaller . .
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* @run main/othervm gc.gctests.fileTest.fileTest -Filename fileTest.java -iterations 500
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*/
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package gc.gctests.fileTest;
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import java.io.*;
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import java.util.*;
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import nsk.share.test.*;
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import nsk.share.gc.*;
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import nsk.share.TestBug;
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import nsk.share.TestFailure;
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public class fileTest extends GCTestBase {
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private File [] fileArray;
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private FileInputStream [] fileInputArray;
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private final static int fileNumber = 10000;
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// The number of open file descriptors per process varies from one
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// system to another. lets expermiment with just 20 open fd's.
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private final static int inputStreamNumber = 20;
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private String fileName;
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public fileTest(String fileName) {
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this.fileName = fileName;
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fileArray = new File[fileNumber];
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fileInputArray = new FileInputStream[inputStreamNumber];
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}
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public void runIteration() throws IOException {
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for (int i = 0; i < fileNumber; ++i)
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fileArray[i] = new File(fileName);
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for (int i = 0; i < inputStreamNumber; ++i)
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fileInputArray[i] = new FileInputStream(fileName);
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for (int i = 0; i < inputStreamNumber; ++i)
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fileInputArray[i].close();
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}
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public void run() {
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try {
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Stresser stresser = new Stresser(runParams.getStressOptions());
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stresser.start(runParams.getIterations());
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try {
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while (stresser.iteration())
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runIteration();
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} finally {
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stresser.finish();
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}
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} catch (IOException e) {
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throw new TestFailure(e);
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}
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}
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public static void main(String args[]) {
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String fileName = null;
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for (int i = 0 ; i < args.length ; i++) {
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if( args[i].equals("-Filename"))
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fileName = args[++i];
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}
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if (fileName == null)
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throw new TestBug("No -Filename option is specified");
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GC.runTest(new fileTest(fileName), args);
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}
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}
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