/*
* Copyright (c) 2014, 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
* 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
@key headful
@bug 4870762
@summary tests that a drop target JVM doesn't crash if the source doesn't export
data in native formats.
@run main NoFormatsCrashTest main
*/
import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.dnd.*;
import java.awt.event.*;
import java.io.*;
public class NoFormatsCrashTest {
final Frame frame = new Frame();
private volatile Process process;
static final int FRAME_ACTIVATION_TIMEOUT = 2000;
public static void main(String[] args) {
if (args.length > 0 && args[0].equals("main")) {
NoFormatsCrashTest test = new NoFormatsCrashTest();
test.init();
test.start();
return;
}
NoFormatsCrashTest test = new NoFormatsCrashTest();
test.run(args);
}
public void run(String[] args) {
try {
if (args.length != 4) {
throw new RuntimeException("Incorrect command line arguments.");
}
int x = Integer.parseInt(args[0]);
int y = Integer.parseInt(args[1]);
int w = Integer.parseInt(args[2]);
int h = Integer.parseInt(args[3]);
Panel panel = new DragSourcePanel();
frame.setTitle("Drag source frame");
frame.setLocation(500, 200);
frame.add(panel);
frame.pack();
frame.setVisible(true);
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
Point sourcePoint = panel.getLocationOnScreen();
Dimension d = panel.getSize();
sourcePoint.translate(d.width / 2, d.height / 2);
Point targetPoint = new Point(x + w / 2, y + h / 2);
Robot robot = new Robot();
robot.mouseMove(sourcePoint.x, sourcePoint.y);
robot.keyPress(KeyEvent.VK_CONTROL);
robot.mousePress(InputEvent.BUTTON1_MASK);
for (; !sourcePoint.equals(targetPoint);
sourcePoint.translate(sign(targetPoint.x - sourcePoint.x),
sign(targetPoint.y - sourcePoint.y))) {
robot.mouseMove(sourcePoint.x, sourcePoint.y);
Thread.sleep(50);
}
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.keyRelease(KeyEvent.VK_CONTROL);
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
if (process.isAlive()) {
process.destroy();
}
} catch (Throwable e) {
e.printStackTrace();
throw new RuntimeException(e);
}
} // run()
public void init() {
frame.setTitle("Drop target frame");
frame.setLocation(200, 200);
} // init()
public void start() {
DropTargetPanel panel = new DropTargetPanel();
frame.add(panel);
frame.pack();
frame.setVisible(true);
try {
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
Point p = frame.getLocationOnScreen();
Dimension d = frame.getSize();
String javaPath = System.getProperty("java.home", "");
String command = javaPath + File.separator + "bin" +
File.separator + "java -cp " + System.getProperty("test.classes", ".") +
" NoFormatsCrashTest " +
p.x + " " + p.y + " " + d.width + " " + d.height;
process = Runtime.getRuntime().exec(command);
ProcessResults pres = ProcessResults.doWaitFor(process);
System.err.println("Child VM return code: " + pres.exitValue);
if (pres.stderr != null && pres.stderr.length() > 0) {
System.err.println("========= Child VM System.err ========");
System.err.print(pres.stderr);
System.err.println("======================================");
}
if (pres.stdout != null && pres.stdout.length() > 0) {
System.err.println("========= Child VM System.out ========");
System.err.print(pres.stdout);
System.err.println("======================================");
}
} catch (Throwable e) {
e.printStackTrace();
throw new RuntimeException(e);
}
if (panel.isTestFailed()) {
throw new RuntimeException();
}
} // start()
public static int sign(int n) {
return n < 0 ? -1 : n > 0 ? 1 : 0;
}
} // class NoFormatsCrashTest
class TestTransferable implements Transferable {
public static DataFlavor dataFlavor = null;
static final Object data = new Object();
static {
DataFlavor df = null;
try {
df = new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType +
"; class=java.lang.Object");
} catch (ClassNotFoundException e) {
throw new ExceptionInInitializerError(e);
}
dataFlavor = df;
}
public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[] { dataFlavor };
}
public boolean isDataFlavorSupported(DataFlavor df) {
return dataFlavor.equals(df);
}
public Object getTransferData(DataFlavor df)
throws UnsupportedFlavorException, IOException {
if (!isDataFlavorSupported(df)) {
throw new UnsupportedFlavorException(df);
}
return data;
}
}
class DragSourcePanel extends Panel {
public DragSourcePanel() {
final Transferable t = new TestTransferable();
final DragSourceListener dsl = new DragSourceAdapter() {
public void dragDropEnd(DragSourceDropEvent dtde) {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
// This finishes child VM
System.exit(0);
}
};
final DragGestureListener dgl = new DragGestureListener() {
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(null, t, dsl);
}
};
final DragSource ds = DragSource.getDefaultDragSource();
final DragGestureRecognizer dgr =
ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
dgl);
}
public Dimension getPreferredSize() {
return new Dimension(100, 100);
}
}
class DropTargetPanel extends Panel {
private boolean testFailed = false;
public DropTargetPanel() {
final DropTargetListener dtl = new DropTargetAdapter() {
public void dragOver(DropTargetDragEvent dtde) {
try {
dtde.getCurrentDataFlavorsAsList();
} catch (Exception e) {
testFailed = true;
e.printStackTrace();
}
}
public void drop(DropTargetDropEvent dtde) {
dtde.rejectDrop();
}
};
final DropTarget dt = new DropTarget(this, dtl);
}
public boolean isTestFailed() {
return testFailed;
}
public Dimension getPreferredSize() {
return new Dimension(100, 100);
}
}
class ProcessResults {
public int exitValue;
public String stdout;
public String stderr;
public ProcessResults() {
exitValue = -1;
stdout = "";
stderr = "";
}
/**
* Method to perform a "wait" for a process and return its exit value.
* This is a workaround for <code>Process.waitFor()</code> never returning.
*/
public static ProcessResults doWaitFor(Process p) {
ProcessResults pres = new ProcessResults();
InputStream in = null;
InputStream err = null;
try {
in = p.getInputStream();
err = p.getErrorStream();
boolean finished = false;
while (!finished) {
try {
while (in.available() > 0) {
pres.stdout += (char)in.read();
}
while (err.available() > 0) {
pres.stderr += (char)err.read();
}
// Ask the process for its exitValue. If the process
// is not finished, an IllegalThreadStateException
// is thrown. If it is finished, we fall through and
// the variable finished is set to true.
pres.exitValue = p.exitValue();
finished = true;
}
catch (IllegalThreadStateException e) {
// Process is not finished yet;
// Sleep a little to save on CPU cycles
Thread.currentThread().sleep(500);
}
}
if (in != null) in.close();
if (err != null) err.close();
}
catch (Throwable e) {
System.err.println("doWaitFor(): unexpected exception");
e.printStackTrace();
throw new RuntimeException(e);
}
return pres;
}
}