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8198004: javax/swing/JFileChooser/6868611/bug6868611.java throws error

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Reviewed-by: serb, ssadetsky, kaddepalli
This commit is contained in:
Jayathirth D V 2018-02-23 12:30:03 +05:30
parent f0499d1caa
commit 83256c19ee
1 changed files with 41 additions and 40 deletions

81
test/jdk/javax/swing/JFileChooser/6868611/bug6868611.java

@ -1,5 +1,5 @@
/*
* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2009, 2018, 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
@ -21,73 +21,74 @@
* questions.
*/
/* @test
@bug 6868611
@summary FileSystemView throws NullPointerException
@author Pavel Porvatov
@run main bug6868611
*/
/*
* @test
* @bug 6868611 8198004
* @summary FileSystemView throws NullPointerException
* @author Pavel Porvatov
* @run main bug6868611
*/
import javax.swing.*;
import javax.swing.filechooser.FileSystemView;
import java.io.File;
import java.nio.file.Files;
public class bug6868611 {
private static final int COUNT = 1000;
private static File tempFolder;
private static File files[] = new File[COUNT];
public static void main(String[] args) throws Exception {
String tempDirProp = System.getProperty("java.io.tmpdir");
int fileCount = 0;
try {
tempFolder = Files.createTempDirectory("temp_folder").toFile();
final String tempDir = tempDirProp == null || !new File(tempDirProp).isDirectory() ?
System.getProperty("user.home") : tempDirProp;
System.out.println("Temp directory: " + tempDir);
// Create 1000 files
for (int i = 0; i < 1000; i++) {
new File(tempDir, "temp" + i).createNewFile();
}
// Init default FileSystemView
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
FileSystemView.getFileSystemView().getFiles(new File(tempDir), false);
// Try creating 1000 files
for (fileCount = 0; fileCount < COUNT; fileCount++) {
files[fileCount] = new
File(tempFolder, "temp" + fileCount + ".txt");
files[fileCount].createNewFile();
}
});
for (int i = 0; i < COUNT; i++) {
Thread thread = new MyThread(tempDir);
// Init default FileSystemView
SwingUtilities.invokeAndWait(new Runnable() {
public void run() {
FileSystemView.getFileSystemView().
getFiles(tempFolder, false);
}
});
thread.start();
for (int i = 0; i < COUNT; i++) {
Thread thread = new MyThread(tempFolder);
Thread.sleep((long) (Math.random() * 100));
thread.start();
thread.interrupt();
Thread.sleep((long) (Math.random() * 100));
if (i % 100 == 0) {
System.out.print("*");
thread.interrupt();
}
}
System.out.println();
// Remove 1000 files
for (int i = 0; i < 1000; i++) {
new File(tempDir, "temp" + i).delete();
} finally {
// Remove created files
for (int i = 0; i < fileCount; i++) {
Files.delete(files[i].toPath());
}
Files.delete(tempFolder.toPath());
}
}
private static class MyThread extends Thread {
private final String dir;
private final File dir;
private MyThread(String dir) {
private MyThread(File dir) {
this.dir = dir;
}
public void run() {
FileSystemView fileSystemView = FileSystemView.getFileSystemView();
fileSystemView.getFiles(new File(dir), false);
fileSystemView.getFiles(dir, false);
}
}
}