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8286772: java/awt/dnd/DropTargetInInternalFrameTest/DropTargetInInternalFrameTest.html times out and fails in Windows #1447

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8286772: java/awt/dnd/DropTargetInInternalFrameTest/DropTargetInInternalFrameTest.html times out and fails in Windows #1447

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380 changes: 380 additions & 0 deletions test/jdk/java/awt/dnd/DropTargetInInternalFrameTest.java
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/*
* Copyright (c) 2000, 2022, 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.
*/

import java.awt.Button;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragSource;
import java.awt.dnd.DragSourceDragEvent;
import java.awt.dnd.DragSourceDropEvent;
import java.awt.dnd.DragSourceEvent;
import java.awt.dnd.DragSourceListener;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetContext;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.InputEvent;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JDesktopPane;
import javax.swing.JFrame;
import javax.swing.JInternalFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

/*
@test
@bug 4395279
@summary Tests that a drop target in InternalFrame functions properly
@key headful
@run main DropTargetInInternalFrameTest
*/
public class DropTargetInInternalFrameTest implements Serializable {
private static final CountDownLatch dropLatch = new CountDownLatch(1);
private static final CountDownLatch focusLatch = new CountDownLatch(1);
private static JFrame frame;
private static JInternalFrame sourceFrame;
private static JInternalFrame targetFrame;
private static DragSourcePanel dragSourcePanel;
private static DropTargetPanel dropTargetPanel;
private static Robot robot;

private static void createUI() {
frame = new JFrame("Test frame");
sourceFrame = new JInternalFrame("Source");
targetFrame = new JInternalFrame("Destination");
dragSourcePanel = new DragSourcePanel();
dropTargetPanel = new DropTargetPanel(dropLatch);
JDesktopPane desktopPane = new JDesktopPane();

sourceFrame.getContentPane().setLayout(new GridLayout(3, 1));

// add panels to content panes
sourceFrame.getContentPane().add(dragSourcePanel);
targetFrame.getContentPane().add(dropTargetPanel);

sourceFrame.setSize(200, 200);
targetFrame.setSize(200, 200);
targetFrame
.setLocation(sourceFrame.getX() + sourceFrame.getWidth() + 10,
sourceFrame.getY());

desktopPane.add(sourceFrame);
desktopPane.add(targetFrame);

frame.setTitle("Test frame");
frame.setBounds(200, 200, 450, 250);
frame.getContentPane().add(desktopPane);
frame.setAlwaysOnTop(true);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

sourceFrame.setVisible(true);
targetFrame.setVisible(true);
frame.setVisible(true);
dragSourcePanel.dragSourceButton.requestFocusInWindow();
}

public static void main(String[] argv) throws Exception {
SwingUtilities.invokeAndWait(DropTargetInInternalFrameTest::createUI);

robot = new Robot();
robot.setAutoDelay(50);
robot.setAutoWaitForIdle(true);
robot.waitForIdle();
if (!focusLatch.await(5, TimeUnit.SECONDS)) {
captureScreen();
SwingUtilities
.invokeAndWait(DropTargetInInternalFrameTest::disposeFrame);
System.out.println(
"Test failed, waited too long for the drag button to gain focus");
}
final AtomicReference<Point> p1Ref = new AtomicReference<>();
final AtomicReference<Point> p2Ref = new AtomicReference<>();
SwingUtilities.invokeAndWait(() -> {
final Point dragLocation =
dragSourcePanel.dragSourceButton.getLocationOnScreen();
Dimension d1 = dragSourcePanel.dragSourceButton.getSize();
dragLocation.translate(d1.width / 2, d1.height / 2);
p1Ref.set(dragLocation);
final Point dropLocation = dropTargetPanel.getLocationOnScreen();
dropLocation.translate(d1.width / 2, d1.height / 2);
p2Ref.set(dropLocation);
});
Point p1 = p1Ref.get();
Point p2 = p2Ref.get();

dragAndDrop(p1, p2);

if (!dropLatch.await(5, TimeUnit.SECONDS)) {
captureScreen();
System.out.println("Test Failed, Waited too long for the Drop to complete");
}
int calledMethods = dropTargetPanel.getCalledMethods();
SwingUtilities
.invokeAndWait(DropTargetInInternalFrameTest::disposeFrame);
System.out.println("CalledMethods = " + calledMethods);
if ((calledMethods & DropTargetPanel.ENTER_CALLED) == 0) {
throw new RuntimeException(
"Test Failed, DropTargetListener.dragEnter() not called");
}
if ((calledMethods & DropTargetPanel.OVER_CALLED) == 0) {
throw new RuntimeException(
"Test Failed, DropTargetListener.dragOver() not called");
}
if ((calledMethods & DropTargetPanel.DROP_CALLED) == 0) {
throw new RuntimeException(
"Test Failed, DropTargetListener.drop() not called.");
}

System.out.println("Test Passed");
}

private static void dragAndDrop(final Point p1, final Point p2) {
robot.mouseMove(p1.x, p1.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
int dx = 1;
while (p1.x < p2.x) {
p1.translate(dx, 0);
robot.mouseMove(p1.x, p1.y);
dx++;
}
robot.mouseMove(p2.x, p2.y);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}

private static void captureScreen() {
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
try {
ImageIO.write(robot.createScreenCapture(
new Rectangle(0, 0, screenSize.width, screenSize.height)),
"png", new File("screenImage.png"));
} catch (IOException ignore) {
}
}

private static void disposeFrame() {
sourceFrame.dispose();
targetFrame.dispose();
frame.dispose();
}

private static class DragSourcePanel extends JPanel {

final Dimension preferredDimension = new Dimension(200, 100);
final DragSourceButton dragSourceButton = new DragSourceButton();

public DragSourcePanel() {
setLayout(new GridLayout(1, 1));
dragSourceButton.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(final FocusEvent e) {
super.focusGained(e);
focusLatch.countDown();
}
});
add(dragSourceButton);
}

public Dimension getPreferredSize() {
return preferredDimension;
}

}

private static class DropTargetPanel extends JPanel
implements DropTargetListener {

public static final int ENTER_CALLED = 0x1;
public static final int OVER_CALLED = 0x2;
public static final int DROP_CALLED = 0x4;
private final Dimension preferredDimension = new Dimension(200, 100);
private final CountDownLatch dropLatch;
private volatile int calledMethods = 0;

public DropTargetPanel(final CountDownLatch dropLatch) {
this.dropLatch = dropLatch;
setDropTarget(new DropTarget(this, this));
}

public Dimension getPreferredSize() {
return preferredDimension;
}

public void dragEnter(DropTargetDragEvent dtde) {
calledMethods |= ENTER_CALLED;
}

public void dragOver(DropTargetDragEvent dtde) {
calledMethods |= OVER_CALLED;
}

public void dropActionChanged(DropTargetDragEvent dtde) {
}

public void dragExit(DropTargetEvent dte) {
}

public void drop(DropTargetDropEvent dtde) {
System.out.println("Drop!!!!!!!!!!!! ");
calledMethods |= DROP_CALLED;
DropTargetContext dtc = dtde.getDropTargetContext();

if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
} else {
dtde.rejectDrop();
}

DataFlavor[] dfs = dtde.getCurrentDataFlavors();
Component comp = null;

if (dfs != null && dfs.length >= 1) {
Transferable transfer = dtde.getTransferable();

try {
comp = (Component) transfer.getTransferData(dfs[0]);
} catch (Throwable e) {
e.printStackTrace();
dtc.dropComplete(false);
}
}
dtc.dropComplete(true);
add(comp);
dropLatch.countDown();
}

public int getCalledMethods() {
return calledMethods;
}

}

private static class DragSourceButton extends JButton
implements Serializable, Transferable, DragGestureListener,
DragSourceListener {
private final DataFlavor dataflavor =
new DataFlavor(Button.class, "DragSourceButton");

public DragSourceButton() {
this("DragSourceButton");
}

public DragSourceButton(String str) {
super(str);
DragSource ds = DragSource.getDefaultDragSource();
ds.createDefaultDragGestureRecognizer(this,
DnDConstants.ACTION_COPY,
this);
}

public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(new Cursor(Cursor.HAND_CURSOR), this, this);
}

public DataFlavor[] getTransferDataFlavors() {
return new DataFlavor[]{dataflavor};
}

public boolean isDataFlavorSupported(DataFlavor dflavor) {
return dataflavor.equals(dflavor);
}

public Object getTransferData(DataFlavor flavor)
throws UnsupportedFlavorException, IOException {

if (!isDataFlavorSupported(flavor)) {
throw new UnsupportedFlavorException(flavor);
}
Object retObj;
ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
ObjectOutputStream ooStream = new ObjectOutputStream(baoStream);
ooStream.writeObject(this);

ByteArrayInputStream baiStream =
new ByteArrayInputStream(baoStream.toByteArray());
ObjectInputStream ois = new ObjectInputStream(baiStream);
try {
retObj = ois.readObject();
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw new RuntimeException(e.toString());
}
return retObj;
}

@Override
public void dragEnter(final DragSourceDragEvent dsde) {

}

@Override
public void dragOver(final DragSourceDragEvent dsde) {

}

@Override
public void dropActionChanged(final DragSourceDragEvent dsde) {

}

@Override
public void dragExit(final DragSourceEvent dse) {

}

@Override
public void dragDropEnd(final DragSourceDropEvent dsde) {

}

}

}