| /* |
| * Copyright (c) 2014, 2016, 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 |
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| */ |
| |
| /* |
| @test |
| @key headful |
| @bug 4422345 8039083 |
| @summary tests serialization of DragSourceListeners |
| @author das@sparc.spb.su area=dnd |
| @library ../../../../lib/testlibrary |
| @build jdk.testlibrary.Asserts |
| @run main/othervm DragSourceListenerSerializationTest |
| */ |
| |
| import java.awt.Button; |
| import java.awt.Component; |
| import java.awt.Cursor; |
| import java.awt.Point; |
| import java.awt.Toolkit; |
| import java.awt.datatransfer.StringSelection; |
| import java.awt.dnd.DnDConstants; |
| import java.awt.dnd.DragGestureEvent; |
| import java.awt.dnd.DragGestureRecognizer; |
| import java.awt.dnd.DragSource; |
| import java.awt.dnd.DragSourceAdapter; |
| import java.awt.dnd.DragSourceContext; |
| import java.awt.dnd.DragSourceListener; |
| import java.awt.dnd.DragSourceMotionListener; |
| import java.awt.event.InputEvent; |
| import java.awt.event.MouseEvent; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.Serializable; |
| import java.util.Arrays; |
| import java.util.TooManyListenersException; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import static jdk.testlibrary.Asserts.assertEquals; |
| |
| public class DragSourceListenerSerializationTest { |
| public static void main(String[] args) throws Exception { |
| DragSource ds = new DragSource(); |
| TestDragSourceAdapter dsa1 = new TestDragSourceAdapter(1); |
| TestDragSourceAdapter dsa2 = new TestDragSourceAdapter(2); |
| Component c = new Button(); |
| DragGestureRecognizer dgr = ds.createDefaultDragGestureRecognizer(c, |
| DnDConstants.ACTION_COPY, |
| e -> e.startDrag(null, null)); |
| MouseEvent me = new MouseEvent(c, MouseEvent.MOUSE_PRESSED, 0, |
| InputEvent.CTRL_MASK, 100, 100, 0, false); |
| DragGestureEvent dge = new DragGestureEvent(dgr, DnDConstants.ACTION_COPY, |
| new Point(100, 100), |
| Arrays.asList(me)); |
| DragSourceContext dsc = new DragSourceContext( |
| dge, |
| new Cursor(Cursor.HAND_CURSOR), |
| null, null, new StringSelection("TEXT"), null); |
| |
| ds.addDragSourceListener(dsa1); |
| ds.addDragSourceListener(dsa2); |
| ds.addDragSourceListener(dsa2); |
| ds.addDragSourceMotionListener(dsa1); |
| ds.addDragSourceMotionListener(dsa1); |
| ds.addDragSourceMotionListener(dsa2); |
| dsc.addDragSourceListener(dsa2); |
| |
| byte[] serialized; |
| try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(bos)) { |
| oos.writeObject(dsc); |
| serialized = bos.toByteArray(); |
| } |
| |
| DragSourceContext dsc_copy; |
| try (ByteArrayInputStream bis = new ByteArrayInputStream(serialized); |
| ObjectInputStream ois = new ObjectInputStream(bis)) { |
| dsc_copy = (DragSourceContext) ois.readObject(); |
| } |
| |
| try { |
| dsc_copy.addDragSourceListener(dsa1); |
| throw new RuntimeException("Test failed. Listener addition succeeded"); |
| } catch (TooManyListenersException ignored) { |
| } |
| |
| try { |
| dsc_copy.addDragSourceListener(dsa2); |
| throw new RuntimeException("Test failed. Listener addition succeeded"); |
| } catch (TooManyListenersException ignored) { |
| } |
| |
| try (ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(bos)) { |
| oos.writeObject(ds); |
| serialized = bos.toByteArray(); |
| } |
| |
| DragSource ds_copy; |
| try (ByteArrayInputStream bis = new ByteArrayInputStream(serialized); |
| ObjectInputStream ois = new ObjectInputStream(bis)) { |
| ds_copy = (DragSource) ois.readObject(); |
| } |
| |
| DragSourceListener[] dsls = ds_copy.getDragSourceListeners(); |
| assertEquals(3, dsls.length, "DragSourceListeners number"); |
| assertEquals(1, Stream.of(dsls).filter(dsa1::equals).collect(Collectors.counting()).intValue()); |
| assertEquals(2, Stream.of(dsls).filter(dsa2::equals).collect(Collectors.counting()).intValue()); |
| |
| DragSourceMotionListener[] dsmls = ds_copy.getDragSourceMotionListeners(); |
| assertEquals(3, dsmls.length, "DragSourceMotionListeners number"); |
| assertEquals(2, Stream.of(dsmls).filter(dsa1::equals).collect(Collectors.counting()).intValue()); |
| assertEquals(1, Stream.of(dsmls).filter(dsa2::equals).collect(Collectors.counting()).intValue()); |
| } |
| } |
| |
| class TestDragSourceAdapter extends DragSourceAdapter implements Serializable { |
| final int id; |
| |
| TestDragSourceAdapter(int id) { |
| this.id = id; |
| } |
| |
| public int getId() { |
| return id; |
| } |
| |
| public boolean equals(Object obj) { |
| if (obj instanceof TestDragSourceAdapter) { |
| TestDragSourceAdapter tdsa = (TestDragSourceAdapter) obj; |
| return tdsa.getId() == getId(); |
| } |
| return false; |
| } |
| } |