/*
* Copyright ( c ) 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 .
*/
/* @test
@ bug 8267374
@ key headful
@ requires ( os . family = = " mac " )
@ summary Verifies ALT + Up / ALT + Down keypress move cursor to start / end of textline .
@ run main TestAltUpDown
*/
import java.awt.Robot;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.text.BadLocationException;
import javax.swing.text.Utilities;
public class TestAltUpDown {
private static JFrame frame;
private static JTextArea textArea;
volatile static int caretPosition;
volatile static int rowEnd;
volatile static int rowStart;
public static void main(String[] args) throws Exception {
try {
SwingUtilities.invokeAndWait(() -> {
textArea = new JTextArea(20 , 40 );
textArea.setLineWrap(true );
textArea.setText("This is first line\n" +
"This is second line\n" +
"This is thrid line" );
textArea.setCaretPosition(0 );
frame = new JFrame("Alt-Arrow Bug" );
frame.add(textArea);
frame.pack();
frame.setLocationRelativeTo(null );
frame.setVisible(true );
});
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(1000 );
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_DOWN);
robot.keyRelease(KeyEvent.VK_DOWN);
robot.keyRelease(KeyEvent.VK_ALT);
SwingUtilities.invokeAndWait(() -> {
caretPosition = textArea.getCaretPosition();
try {
rowEnd = Utilities.getRowEnd(textArea, caretPosition);
} catch (BadLocationException ex) {
throw new RuntimeException(ex);
}
System.out.println("caretPosition" + caretPosition + " rowEnd " + rowEnd);
});
if (caretPosition != rowEnd) {
throw new RuntimeException("Option+Down doesn't move the cursor" );
}
robot.delay(1000 );
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_DOWN);
robot.keyRelease(KeyEvent.VK_DOWN);
robot.keyRelease(KeyEvent.VK_ALT);
robot.delay(1000 );
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_UP);
robot.keyRelease(KeyEvent.VK_UP);
robot.keyRelease(KeyEvent.VK_ALT);
robot.delay(1000 );
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_UP);
robot.keyRelease(KeyEvent.VK_UP);
robot.keyRelease(KeyEvent.VK_ALT);
caretPosition = textArea.getCaretPosition();
try {
rowStart = Utilities.getRowStart(textArea, caretPosition);
} catch (BadLocationException bex) {
throw new RuntimeException(bex);
}
System.out.println("caretPosition" + caretPosition + " rowStart " + rowStart);
if (caretPosition != 0 ) {
throw new RuntimeException("Option+Up doesn't move the cursor" );
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (frame != null ) {
frame.dispose();
}
});
}
}
}
Messung V0.5 in Prozent C=89 H=98 G=93
¤ Dauer der Verarbeitung: 0.3 Sekunden
¤
*© Formatika GbR, Deutschland