95 lines
3.0 KiB
Java
95 lines
3.0 KiB
Java
/*
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* Copyright (c) 2009, 2018, 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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* @bug 6868611 8198004
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* @summary FileSystemView throws NullPointerException
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* @author Pavel Porvatov
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* @run main bug6868611
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*/
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import javax.swing.*;
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import javax.swing.filechooser.FileSystemView;
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import java.io.File;
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import java.nio.file.Files;
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public class bug6868611 {
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private static final int COUNT = 1000;
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private static File tempFolder;
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private static File files[] = new File[COUNT];
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public static void main(String[] args) throws Exception {
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int fileCount = 0;
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try {
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tempFolder = Files.createTempDirectory("temp_folder").toFile();
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// Try creating 1000 files
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for (fileCount = 0; fileCount < COUNT; fileCount++) {
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files[fileCount] = new
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File(tempFolder, "temp" + fileCount + ".txt");
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files[fileCount].createNewFile();
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}
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// Init default FileSystemView
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SwingUtilities.invokeAndWait(new Runnable() {
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public void run() {
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FileSystemView.getFileSystemView().
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getFiles(tempFolder, false);
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}
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});
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for (int i = 0; i < COUNT; i++) {
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Thread thread = new MyThread(tempFolder);
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thread.start();
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Thread.sleep((long) (Math.random() * 100));
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thread.interrupt();
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}
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} finally {
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// Remove created files
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for (int i = 0; i < fileCount; i++) {
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Files.delete(files[i].toPath());
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}
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Files.delete(tempFolder.toPath());
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}
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}
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private static class MyThread extends Thread {
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private final File dir;
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private MyThread(File dir) {
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this.dir = dir;
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}
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public void run() {
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FileSystemView fileSystemView = FileSystemView.getFileSystemView();
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fileSystemView.getFiles(dir, false);
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}
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}
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}
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