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/*
* 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();
}
}
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