undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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test/jdk/java/awt/dnd/DropActionChangeTest.java
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test/jdk/java/awt/dnd/DropActionChangeTest.java
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/*
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* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.AWTEvent;
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import java.awt.Component;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.Toolkit;
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import java.awt.datatransfer.StringSelection;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureListener;
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import java.awt.dnd.DragSource;
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import java.awt.dnd.DragSourceAdapter;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DragSourceListener;
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import java.awt.dnd.DropTarget;
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import java.awt.dnd.DropTargetAdapter;
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import java.awt.dnd.DropTargetDragEvent;
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import java.awt.dnd.DropTargetDropEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.AWTEventListener;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.awt.event.MouseEvent;
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import java.io.File;
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import java.util.concurrent.atomic.AtomicReference;
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import javax.imageio.ImageIO;
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import javax.swing.JFrame;
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/*
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@test
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@bug 4896462
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@summary tests that drop action is computed correctly
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@key headful
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@run main DropActionChangeTest
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*/
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public class DropActionChangeTest extends JFrame implements AWTEventListener {
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private static Robot robot;
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private static Frame frame;
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private static volatile DropActionChangeTest test;
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Panel panel;
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private volatile boolean failed;
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private volatile boolean dropEnd;
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private volatile Component clickedComponent;
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private final Object LOCK = new Object();
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static final int DROP_COMPLETION_TIMEOUT = 8000;
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static final int MOUSE_RELEASE_TIMEOUT = 2000;
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public static void main(String[] args) throws Exception {
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EventQueue.invokeAndWait(() -> test = new DropActionChangeTest());
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EventQueue.invokeAndWait(test::init);
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try {
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test.start();
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} finally {
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EventQueue.invokeAndWait(DropActionChangeTest::disposeFrame);
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}
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}
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public void init() {
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getToolkit().addAWTEventListener(this, AWTEvent.MOUSE_EVENT_MASK);
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setSize (200,200);
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setTitle("DropActionChangeTest");
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setVisible(true);
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validate();
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frame = new Frame("Empty Frame with Panel");
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panel = new Panel();
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frame.add(panel);
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frame.setBounds(300, 300, 300, 300);
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failed = false;
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final DragSourceListener dsl = new DragSourceAdapter() {
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public void dragDropEnd(DragSourceDropEvent e) {
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System.err.println("DragSourceListener.dragDropEnd(): " +
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"drop action=" + e.getDropAction());
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if (e.getDropAction() != DnDConstants.ACTION_MOVE) {
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System.err.println("FAILURE: wrong drop action:"
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+ e.getDropAction() + ", It should be "
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+ DnDConstants.ACTION_MOVE);
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failed = true;
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}
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synchronized (LOCK) {
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dropEnd = true;
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LOCK.notifyAll();
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}
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}
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};
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DragGestureListener dgl = dge -> dge.startDrag(null, new StringSelection("test"), dsl);
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new DragSource().createDefaultDragGestureRecognizer(panel,
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DnDConstants.ACTION_COPY_OR_MOVE, dgl);
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DropTargetListener dtl = new DropTargetAdapter() {
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public void dragEnter(DropTargetDragEvent e) {
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System.err.println("DropTargetListener.dragEnter(): " +
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"user drop action=" + e.getDropAction());
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e.acceptDrag(e.getDropAction());
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}
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public void dragOver(DropTargetDragEvent e) {
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e.acceptDrag(e.getDropAction());
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}
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public void drop(DropTargetDropEvent e) {
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System.err.println("DropTargetListener.drop(): " +
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"user drop action=" + e.getDropAction());
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e.acceptDrop(e.getDropAction());
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e.dropComplete(true);
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}
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};
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new DropTarget(panel, dtl);
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frame.setVisible(true);
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}
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private static void disposeFrame() {
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if (frame != null) {
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frame.dispose();
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}
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if (test != null) {
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test.dispose();
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}
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}
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public void start() {
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try {
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robot = new Robot();
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robot.setAutoDelay(100);
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robot.waitForIdle();
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robot.delay(500);
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AtomicReference<Point> startPointRef = new AtomicReference<>();
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EventQueue.invokeAndWait(()-> startPointRef.set(panel.getLocationOnScreen()));
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Point startPoint = startPointRef.get();
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startPoint.translate(50, 50);
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if (!pointInComponent(robot, startPoint, panel)) {
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System.err.println("WARNING: Couldn't locate source panel");
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return;
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}
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Point medPoint = new Point(startPoint.x + (DragSource.getDragThreshold()+10)*2,
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startPoint.y);
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Point endPoint = new Point(startPoint.x + (DragSource.getDragThreshold()+10)*4,
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startPoint.y);
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synchronized (LOCK) {
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.mouseMove(startPoint.x, startPoint.y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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Util.doDrag(robot, startPoint, medPoint);
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robot.delay(500);
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robot.keyRelease(KeyEvent.VK_CONTROL);
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Util.doDrag(robot, medPoint, endPoint);
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robot.delay(500);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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LOCK.wait(DROP_COMPLETION_TIMEOUT);
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}
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if (!dropEnd) {
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captureScreen("No_Drop_End_");
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System.err.println("DragSourceListener.dragDropEnd() was not called, returning");
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return;
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}
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} catch (Throwable e) {
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e.printStackTrace();
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}
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if (failed) {
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captureScreen("Wrong_Drop_Action_");
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throw new RuntimeException("Wrong drop action!");
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}
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System.err.println("Test passed!");
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}
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private static void captureScreen(String str) {
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try {
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final Rectangle screenBounds = new Rectangle(
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Toolkit.getDefaultToolkit().getScreenSize());
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ImageIO.write(robot.createScreenCapture(screenBounds), "png",
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new File(str + "Failure_Screen.png"));
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public void reset() {
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clickedComponent = null;
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}
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public void eventDispatched(AWTEvent e) {
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if (e.getID() == MouseEvent.MOUSE_RELEASED) {
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clickedComponent = (Component)e.getSource();
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synchronized (LOCK) {
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LOCK.notifyAll();
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}
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}
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}
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boolean pointInComponent(Robot robot, Point p, Component comp)
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throws InterruptedException {
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robot.waitForIdle();
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reset();
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robot.mouseMove(p.x, p.y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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synchronized (LOCK) {
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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LOCK.wait(MOUSE_RELEASE_TIMEOUT);
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}
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Component c = clickedComponent;
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while (c != null && c != comp) {
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c = c.getParent();
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}
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return c == comp;
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}
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}
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class Util {
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public static int sign(int n) {
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return n < 0 ? -1 : n == 0 ? 0 : 1;
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}
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public static void doDrag(Robot robot, Point startPoint, Point endPoint) {
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robot.waitForIdle();
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for (Point p = new Point(startPoint); !p.equals(endPoint);
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p.translate(Util.sign(endPoint.x - p.x),
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Util.sign(endPoint.y - p.y))) {
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robot.mouseMove(p.x, p.y);
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}
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}
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}
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