| /* |
| * Copyright (c) 2001, 2016, 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 |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.*; |
| import java.awt.datatransfer.Clipboard; |
| import java.awt.datatransfer.ClipboardOwner; |
| import java.awt.datatransfer.StringSelection; |
| import java.awt.datatransfer.Transferable; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /* |
| * @test |
| * @key headful |
| * @bug 4532299 4648733 |
| * @summary Tests that getting clipboard contents on the interrupted thread will |
| * not cause deadlock.Also check that lostOwnership event occurs while |
| * cross-JVM interaction |
| * @author Kanishk Jethi |
| * @run main GetContentsInterruptedTest |
| */ |
| |
| public class GetContentsInterruptedTest implements ClipboardOwner { |
| |
| final Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard(); |
| final Transferable transferable = new StringSelection("TEXT"); |
| private final Object o = new Object(); |
| |
| public static void main(String args[]) throws Exception { |
| if (System.getProperty("os.name").startsWith("Mac")) { |
| System.out.println("This tests should not be run on OS X. " + |
| "See CR 7124344 for more info"); |
| } else { |
| boolean subTestFlag = false; |
| for (String arg : args) { |
| if (arg.indexOf("SubTest") != -1) |
| subTestFlag = true; |
| } |
| |
| if (!subTestFlag) { |
| new GetContentsInterruptedTest().performTest(); |
| } else { |
| new GetContentsInterruptedTest().execute(); |
| } |
| } |
| } |
| |
| private void performTest() throws Exception { |
| int retCode; |
| String javaPath = System.getProperty("java.home", ""); |
| String javaClasspath = System.getProperty("java.class.path", "."); |
| String command = javaPath + File.separator + "bin" + |
| File.separator + "java -classpath " + javaClasspath + |
| " GetContentsInterruptedTest SubTest"; |
| System.out.println(command); |
| boolean processExit = false; |
| |
| clipboard.setContents(transferable, this); |
| Process process = Runtime.getRuntime().exec(command); |
| synchronized (o) { |
| o.wait(10000); |
| } |
| |
| try { |
| retCode = process.exitValue(); |
| processExit = true; |
| }catch (IllegalThreadStateException e){ |
| throw new RuntimeException(e); |
| } |
| System.out.println("[RESULT] : " + |
| "The sub process has cleanly exited : PASS"); |
| |
| System.out.println("[RESULT] : Child returned: " + retCode ); |
| |
| InputStream errorStream = process.getErrorStream(); |
| System.out.println("========= Child process stderr ========"); |
| dumpStream(errorStream); |
| System.out.println("======================================="); |
| |
| InputStream processInputStream = process.getInputStream(); |
| System.out.println("========= Child process output ========"); |
| dumpStream(processInputStream); |
| System.out.println("======================================="); |
| |
| if (!processExit) { |
| process.destroy(); |
| throw new RuntimeException("[RESULT] : " + |
| "The sub process has not exited : FAIL"); |
| } |
| } |
| |
| /* |
| * execute is run through another instance of this class. |
| * it acquires the systemClipboard through another JVM. |
| */ |
| public void execute() { |
| System.out.println("Hello world"); |
| final ClipboardOwner clipboardOwner = new ClipboardOwner() { |
| public void lostOwnership(Clipboard clipboard, Transferable contents) { |
| System.exit(0); |
| } |
| }; |
| clipboard.setContents(transferable, clipboardOwner); |
| synchronized (o) { |
| try { |
| o.wait(); |
| } catch (InterruptedException ie) { |
| ie.printStackTrace(); |
| } |
| } |
| } |
| |
| public void dumpStream(InputStream in) throws IOException { |
| String tempString; |
| int count = in.available(); |
| while (count > 0) { |
| byte[] b = new byte[count]; |
| in.read(b); |
| tempString = new String(b); |
| if (tempString.indexOf("Exception") != -1 ) |
| throw new RuntimeException("[RESULT] :" + |
| " Exception in child process : FAIL"); |
| System.out.println(tempString); |
| count = in.available(); |
| } |
| } |
| |
| public void lostOwnership(Clipboard clip, Transferable contents) { |
| new Thread(() -> { |
| try { |
| Thread.sleep(3000); |
| } catch (InterruptedException e) { |
| throw new RuntimeException(e); |
| } |
| clipboard.getContents(null); |
| Thread.currentThread().interrupt(); |
| clipboard.getContents(null); |
| clipboard.setContents(transferable, null); |
| }).start(); |
| } |
| } |
| |