340 lines
11 KiB
Java
340 lines
11 KiB
Java
/*
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* Copyright (c) 2001, 2017, 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.Button;
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.Frame;
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import java.awt.GridLayout;
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import java.awt.Panel;
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import java.awt.Point;
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import java.awt.Robot;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.awt.dnd.DnDConstants;
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import java.awt.dnd.DragGestureEvent;
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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.DragSourceDragEvent;
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import java.awt.dnd.DragSourceDropEvent;
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import java.awt.dnd.DragSourceEvent;
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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.DropTargetContext;
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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.DropTargetEvent;
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import java.awt.dnd.DropTargetListener;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyEvent;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Serializable;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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/**
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* @test
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* @key headful
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* @bug 4393148 4357905 8136999 8186263 8224632
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* @summary tests that removal of the drop target or disposal of frame during
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* drop processing doesn't cause crash
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* @run main/timeout=300 RemoveDropTargetCrashTest RUN_PROCESS
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*/
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public class RemoveDropTargetCrashTest {
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private static final String RUN_PROCESS = "RUN_PROCESS";
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private static final String RUN_TEST = "RUN_TEST";
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private static boolean exception;
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private static volatile CountDownLatch go;
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public static void main(String[] args) throws Exception {
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String command = args.length < 1 ? RUN_TEST : args[0];
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switch (command) {
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case RUN_PROCESS:
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runProcess();
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break;
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case RUN_TEST:
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for (int i = 0; i < 10; ++i) {
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runTest(i * 10);
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runTest(-1);
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}
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break;
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default:
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throw new RuntimeException("Unknown command: " + command);
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}
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}
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private static void runTest(int delay) throws Exception {
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Robot robot = new Robot();
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robot.setAutoDelay(10);
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Frame frame = null;
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try {
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DragSourceButton dragSourceButton = new DragSourceButton();
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dragSourceButton.addActionListener(e -> go.countDown());
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DropTargetPanel dropTargetPanel = new DropTargetPanel();
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frame = new Frame();
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frame.setTitle("Test frame");
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frame.setLocation(200, 200);
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frame.setLayout(new GridLayout(2, 1));
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frame.add(dragSourceButton);
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frame.add(dropTargetPanel);
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frame.pack();
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frame.setVisible(true);
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robot.waitForIdle();
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robot.delay(200);
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Point dragPoint = dragSourceButton.getLocationOnScreen();
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Dimension size = dragSourceButton.getSize();
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dragPoint.translate(size.width / 2, size.height / 2);
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pressOnButton(robot, dragPoint);
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Point dropPoint = dropTargetPanel.getLocationOnScreen();
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size = dropTargetPanel.getSize();
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dropPoint.translate(size.width / 2, size.height / 2);
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robot.mouseMove(dragPoint.x, dragPoint.y);
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robot.keyPress(KeyEvent.VK_CONTROL);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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Point tmpPoint = new Point(dragPoint);
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for (; !tmpPoint.equals(dropPoint);
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tmpPoint.translate(sign(dropPoint.x - tmpPoint.x),
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sign(dropPoint.y - tmpPoint.y))) {
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robot.mouseMove(tmpPoint.x, tmpPoint.y);
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}
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robot.keyRelease(KeyEvent.VK_CONTROL);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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// This delay() is important part of the test, because we need to
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// test a different delays before frame.dispose().
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if (delay >= 0) {
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robot.delay(delay);
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} else {
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robot.waitForIdle();
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robot.delay(1000);
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Point clickPoint = dragSourceButton.getLocationOnScreen();
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size = dragSourceButton.getSize();
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clickPoint.translate(size.width / 2, size.height / 2);
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if (clickPoint.equals(dragPoint)) {
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throw new RuntimeException("Button was not moved");
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}
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pressOnButton(robot, clickPoint);
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}
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} finally {
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if (frame != null) {
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frame.dispose();
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}
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}
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}
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private static void pressOnButton(Robot robot, Point clickPoint)
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throws InterruptedException {
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go = new CountDownLatch(1);
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robot.mouseMove(clickPoint.x, clickPoint.y);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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if (!go.await(10, TimeUnit.SECONDS)) {
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throw new RuntimeException("Button was not pressed");
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}
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}
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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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static class DragSourceButton extends Button implements Serializable,
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Transferable,
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DragGestureListener,
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DragSourceListener {
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private static DataFlavor dataflavor;
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static {
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try {
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dataflavor = new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType);
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dataflavor.setHumanPresentableName("Local Object Flavor");
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} catch (ClassNotFoundException e) {
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throw new RuntimeException(e);
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}
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}
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public DragSourceButton() {
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this("DragSourceButton");
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}
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public DragSourceButton(String str) {
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super(str);
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DragSource ds = DragSource.getDefaultDragSource();
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ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY,
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this);
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}
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public void dragGestureRecognized(DragGestureEvent dge) {
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dge.startDrag(null, this, this);
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}
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public void dragEnter(DragSourceDragEvent dsde) {
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}
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public void dragExit(DragSourceEvent dse) {
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}
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public void dragOver(DragSourceDragEvent dsde) {
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}
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public void dragDropEnd(DragSourceDropEvent dsde) {
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}
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public void dropActionChanged(DragSourceDragEvent dsde) {
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}
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public Object getTransferData(DataFlavor flavor)
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throws UnsupportedFlavorException, IOException {
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if (!isDataFlavorSupported(flavor)) {
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throw new UnsupportedFlavorException(flavor);
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}
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return this;
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}
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public DataFlavor[] getTransferDataFlavors() {
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return new DataFlavor[]{dataflavor};
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}
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public boolean isDataFlavorSupported(DataFlavor dflavor) {
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return dataflavor.equals(dflavor);
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}
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}
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static class DropTargetPanel extends Panel implements DropTargetListener {
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final Dimension preferredSize = new Dimension(100, 100);
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public DropTargetPanel() {
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setDropTarget(new DropTarget(this, this));
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}
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public Dimension getPreferredSize() {
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return preferredSize;
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}
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public void dragEnter(DropTargetDragEvent dtde) {
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}
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public void dragExit(DropTargetEvent dte) {
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}
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public void dragOver(DropTargetDragEvent dtde) {
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}
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public void dropActionChanged(DropTargetDragEvent dtde) {
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}
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public void drop(DropTargetDropEvent dtde) {
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setDropTarget(null);
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DropTargetContext dtc = dtde.getDropTargetContext();
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if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
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dtde.acceptDrop(DnDConstants.ACTION_COPY);
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} else {
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dtde.rejectDrop();
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}
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DataFlavor[] dfs = dtde.getCurrentDataFlavors();
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if (dfs != null && dfs.length >= 1) {
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Transferable transfer = dtde.getTransferable();
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Component comp;
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try {
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comp = (Component) transfer.getTransferData(dfs[0]);
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} catch (Throwable e) {
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dtc.dropComplete(false);
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throw new RuntimeException(e);
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}
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add(comp);
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validate();
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}
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dtc.dropComplete(true);
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}
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}
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private static void runProcess() throws Exception {
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String javaPath = System.getProperty("java.home", "");
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String command = javaPath + File.separator + "bin" + File.separator + "java"
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+ " " + RemoveDropTargetCrashTest.class.getName() + " " + RUN_TEST;
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Process process = Runtime.getRuntime().exec(command);
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boolean processExit = process.waitFor(200, TimeUnit.SECONDS);
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StringBuilder inStream = new StringBuilder();
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StringBuilder errStream = new StringBuilder();
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checkErrors(process.getErrorStream(), errStream);
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checkErrors(process.getInputStream(), inStream);
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System.out.println(inStream);
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System.err.println(errStream);
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if (exception) {
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throw new RuntimeException("Exception in the output!");
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}
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if (!processExit) {
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process.destroy();
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throw new RuntimeException(""
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+ "The sub process has not exited!");
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}
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}
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private static void checkErrors(InputStream in, StringBuilder stream) throws IOException {
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try (BufferedReader bufferedReader
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= new BufferedReader(new InputStreamReader(in))) {
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String line = null;
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while ((line = bufferedReader.readLine()) != null) {
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if (!exception) {
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exception = line.contains("Exception") || line.contains("Error");
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}
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stream.append(line).append("\n");
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}
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}
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}
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}
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