105 lines
3.4 KiB
Java
105 lines
3.4 KiB
Java
/*
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* Copyright (c) 2007, 2010, 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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/* @test
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@bug 6526376
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@summary DeleteOnExitHook.add() produces NullPointerException
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*/
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import java.io.*;
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/* NullPointerException in exec'ed process if fails.
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* This testcase is timing sensitive. It may sometimes pass even with this bug
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* present, but will never fail without it.
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*/
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public class DeleteOnExitNPE implements Runnable
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{
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public static void main(String[] args) throws Exception {
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if (args.length == 0) {
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runTest();
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} else {
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doTest();
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}
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}
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public static void runTest() throws Exception {
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String cmd = System.getProperty("java.home") + File.separator +
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"bin" + File.separator + "java" +
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" -classpath " + System.getProperty("test.classes");
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Process process = Runtime.getRuntime().exec(cmd + " DeleteOnExitNPE -test");
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BufferedReader isReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
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BufferedReader esReader = new BufferedReader(new InputStreamReader(process.getErrorStream()));
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process.waitFor();
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boolean failed = false;
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String str;
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while ((str = isReader.readLine()) != null) {
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failed = true;
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System.out.println(str);
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}
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while ((str = esReader.readLine()) != null) {
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failed = true;
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System.err.println(str);
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}
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if (failed)
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throw new RuntimeException("Failed: No output should have been received from the process");
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}
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public static void doTest() {
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try {
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File file = File.createTempFile("DeleteOnExitNPE", null);
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file.deleteOnExit();
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Thread thread = new Thread(new DeleteOnExitNPE());
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thread.start();
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try {
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Thread.sleep(2000);
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} catch (InterruptedException ie) {
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ie.printStackTrace();
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}
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System.exit(0);
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} catch (IOException ioe) {
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ioe.printStackTrace();
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}
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}
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public void run() {
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File file = new File("xxyyzz");
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try {
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for (;;) {
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file.deleteOnExit();
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}
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} catch (IllegalStateException ise) {
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// ignore. This is ok.
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// Trying to add a file to the list of files marked as deleteOnExit when
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// shutdown is in progress and the DeleteOnExitHook is running.
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}
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}
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}
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