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/*
* Copyright (c) 2002, 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.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import javax.imageio.ImageIO;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.UnsupportedLookAndFeelException;
import static javax.swing.UIManager.getInstalledLookAndFeels;
/*
* @test
* @key headful
* @bug 4666101
* @summary Verifies that in a JEditorPane, the down arrow is honoured after you
add text on a line preceding a blank line.
* @run main JEditorPaneNavigationTest
*/
public class JEditorPaneNavigationTest {
private static volatile int caretPos;
private static JEditorPane jep;
private static JFrame frame;
private static Robot robot;
public static void main(String[] args) throws Exception {
robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(100);
List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
.map(LookAndFeelInfo::getClassName)
.collect(Collectors.toList());
for (final String laf : lafs) {
try {
AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
SwingUtilities.invokeAndWait(() -> {
lafSetSuccess.set(setLookAndFeel(laf));
if (lafSetSuccess.get()) {
createUI();
}
});
if (!lafSetSuccess.get()) {
continue;
}
robot.waitForIdle();
AtomicReference<Point> pt = new AtomicReference<>();
SwingUtilities.invokeAndWait(() -> pt.set(jep.getLocationOnScreen()));
caretPos = 0;
final Point jEditorLoc = pt.get();
// Click on JEditorPane
robot.mouseMove(jEditorLoc.x + 50, jEditorLoc.y + 50);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
keyType(KeyEvent.VK_ENTER);
keyType(KeyEvent.VK_ENTER);
typeSomeText();
keyType(KeyEvent.VK_UP);
keyType(KeyEvent.VK_UP);
typeSomeText();
keyType(KeyEvent.VK_DOWN);
System.out.println(" test1 caret pos = " + caretPos);
// Check whether the caret position is at the expected value 5
if (caretPos != 5) {
captureScreen();
throw new RuntimeException("Test Failed in " + laf
+ " expected initial caret position is 5, but actual is " + caretPos);
}
keyType(KeyEvent.VK_DOWN);
System.out.println(" test2 caret pos = " + caretPos);
// Check whether the caret position is at the expected value 10
if (caretPos != 10) {
captureScreen();
throw new RuntimeException("Test Failed in " + laf
+ " expected final caret position is 10, but actual is " + caretPos);
}
System.out.println("Test Passed in " + laf);
} finally {
SwingUtilities.invokeAndWait(JEditorPaneNavigationTest::disposeFrame);
}
}
}
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("JEditorPaneNavigationTest.png")
);
} catch (IOException ignore) {
}
}
private static void typeSomeText() {
keyType(KeyEvent.VK_T);
keyType(KeyEvent.VK_E);
keyType(KeyEvent.VK_X);
keyType(KeyEvent.VK_T);
}
private static void keyType(int keyCode) {
robot.keyPress(keyCode);
robot.keyRelease(keyCode);
}
private static void createUI() {
frame = new JFrame();
jep = new JEditorPane();
jep.setPreferredSize(new Dimension(100, 100));
jep.addCaretListener(e -> caretPos = jep.getCaretPosition());
jep.setEditable(true);
JPanel panel = new JPanel();
panel.add(jep);
frame.add(panel);
frame.setLocationRelativeTo(null);
frame.setAlwaysOnTop(true);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
private static boolean setLookAndFeel(String lafName) {
try {
UIManager.setLookAndFeel(lafName);
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Ignoring Unsupported laf : " + lafName);
return false;
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
return true;
}
private static void disposeFrame() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
}
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