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/*
* Copyright (c) 2002, 2025, 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.
*
* 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.
*/
/*
* @test
* @bug 4513976
* @summary tests that inter-JVM image transfer doesn't cause crash
* @key headful
* @library /test/lib
* @run main ImageTransferCrashTest
*/
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import java.io.IOException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class ImageTransferCrashTest implements ClipboardOwner {
static final Clipboard clipboard =
Toolkit.getDefaultToolkit().getSystemClipboard();
final Transferable textTransferable = new StringSelection("TEXT");
public static final int CLIPBOARD_DELAY = 10;
public static void main(String[] args) throws Exception {
if (args.length == 0) {
ImageTransferCrashTest imageTransferCrashTest = new ImageTransferCrashTest();
imageTransferCrashTest.initialize();
return;
}
final ClipboardOwner clipboardOwner = (clip, contents) -> System.exit(0);
final int width = 100;
final int height = 100;
final BufferedImage bufferedImage =
new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
final WritableRaster writableRaster =
bufferedImage.getWritableTile(0, 0);
final int[] color = new int[]{0x80, 0x80, 0x80};
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
writableRaster.setPixel(i, j, color);
}
}
bufferedImage.releaseWritableTile(0, 0);
final Transferable imageTransferable = new Transferable() {
final DataFlavor[] flavors = new DataFlavor[]{
DataFlavor.imageFlavor};
public DataFlavor[] getTransferDataFlavors() {
return flavors;
}
public boolean isDataFlavorSupported(DataFlavor df) {
return DataFlavor.imageFlavor.equals(df);
}
public Object getTransferData(DataFlavor df)
throws UnsupportedFlavorException {
if (!isDataFlavorSupported(df)) {
throw new UnsupportedFlavorException(df);
}
return bufferedImage;
}
};
clipboard.setContents(imageTransferable, clipboardOwner);
final Object o = new Object();
synchronized (o) {
try {
o.wait();
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
System.out.println("Test Pass!");
}
public void initialize() throws Exception {
clipboard.setContents(textTransferable, this);
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(
ImageTransferCrashTest.class.getName(),
"child"
);
Process process = ProcessTools.startProcess("Child", pb);
OutputAnalyzer outputAnalyzer = new OutputAnalyzer(process);
if (!process.waitFor(15, TimeUnit.SECONDS)) {
process.destroyForcibly();
throw new TimeoutException("Timed out waiting for Child");
}
outputAnalyzer.shouldHaveExitValue(0);
}
public void lostOwnership(Clipboard clip, Transferable contents) {
final Runnable r = () -> {
while (true) {
try {
Thread.sleep(CLIPBOARD_DELAY);
Transferable t = clipboard.getContents(null);
t.getTransferData(DataFlavor.imageFlavor);
} catch (IllegalStateException e) {
e.printStackTrace();
System.err.println("clipboard is not prepared yet");
continue;
} catch (Exception e) {
e.printStackTrace();
}
break;
}
clipboard.setContents(textTransferable, null);
};
final Thread t = new Thread(r);
t.start();
}
}
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