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/*
* 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 8030050 8039082
* @summary Validate fields on DnD class deserialization
*/
import java.awt.Point;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureRecognizer;
import java.awt.dnd.DragSource;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InvalidObjectException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.stream.Stream;
import javax.swing.JPanel;
import static java.awt.dnd.DnDConstants.ACTION_COPY;
public class BadSerializationTest {
private static final String[] badSerialized = new String[] {
"badAction",
"noEvents",
"nullComponent",
"nullDragSource",
"nullOrigin"
};
private static final String goodSerialized = "good";
public static void main(String[] args) throws Exception {
if (args.length > 0 && args[0].equals("-write")) {
writeObjects(); //Creates the binary files for the test.
} else {
String testSrc = System.getProperty("test.src") + File.separator;
testReadObject(testSrc + goodSerialized, false);
Stream.of(badSerialized).forEach(
file -> testReadObject(testSrc + file, true));
}
}
private static void testReadObject(String filename, boolean expectException) {
Exception exceptionCaught = null;
try (FileInputStream fileInputStream = new FileInputStream(filename);
ObjectInputStream ois = new ObjectInputStream(fileInputStream)) {
ois.readObject();
} catch (InvalidObjectException e) {
exceptionCaught = e;
} catch (IOException e) {
throw new RuntimeException("FAILED: IOException", e);
} catch (ClassNotFoundException e) {
throw new RuntimeException("FAILED: ClassNotFoundException", e);
}
if (exceptionCaught != null && !expectException) {
throw new RuntimeException("FAILED: UnexpectedException", exceptionCaught);
}
if (exceptionCaught == null && expectException) {
throw new RuntimeException("FAILED: Invalid object was created with no exception");
}
}
/**
* Creates the stubs for the test. It is necessary to disable all checks in
* the constructors of DragGestureEvent/DragGestureRecognizer before run.
*/
private static void writeObjects() throws Exception {
ArrayList<InputEvent> evs = new ArrayList<>();
Point ori = new Point();
write(new DragGestureEvent(new NothingNull(), ACTION_COPY, ori, evs),
"noEvents");
evs.add(new KeyEvent(new JPanel(), 0, 0, 0, 0, 'a', 0));
write(new DragGestureEvent(new NullComponent(), ACTION_COPY, ori, evs),
"nullComponent");
write(new DragGestureEvent(new NothingNull(), 100, ori, evs),
"badAction");
write(new DragGestureEvent(new NullDragSource(), ACTION_COPY, ori, evs),
"nullDragSource");
write(new DragGestureEvent(new NothingNull(), ACTION_COPY, null, evs),
"nullOrigin");
write(new DragGestureEvent(new NothingNull(), ACTION_COPY, ori, evs),
"good");
}
private static void write(Object obj, String file) throws Exception {
try (FileOutputStream fis = new FileOutputStream(file);
ObjectOutputStream ois = new ObjectOutputStream(fis)) {
ois.writeObject(obj);
}
}
public static final class NullDragSource extends DragGestureRecognizer {
public NullDragSource() {
super(null, new JPanel());
}
protected void registerListeners() {
}
protected void unregisterListeners() {
}
}
public static final class NullComponent extends DragGestureRecognizer {
public NullComponent() {
super(new DragSource(), null);
}
protected void registerListeners() {
}
protected void unregisterListeners() {
}
}
public static final class NothingNull extends DragGestureRecognizer {
public NothingNull() {
super(new DragSource(), new JPanel());
}
protected void registerListeners() {
}
protected void unregisterListeners() {
}
}
}
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