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* 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 .
*
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* questions .
*/
/* @test
* @ key headful
* @ bug 4850101
* @ summary Verifies if Setting mnemonic to VK_F4 underlines the letter S .
* @ run main TestMnemonicAction
*/
import java.io.File;
import java.awt.Dimension;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
public class TestMnemonicAction {
private static JFrame f;
private static JButton b;
public static boolean compareBufferedImages(BufferedImage bufferedImage0,
BufferedImage bufferedImage1) {
int width = bufferedImage0.getWidth();
int height = bufferedImage0.getHeight();
if (width != bufferedImage1.getWidth() || height != bufferedImage1.getHeight()) {
return false ;
}
for (int y = 0 ; y < height; y++) {
for (int x = 0 ; x < width; x++) {
if (bufferedImage0.getRGB(x, y) != bufferedImage1.getRGB(x, y)) {
return false ;
}
}
}
return true ;
}
public static void main(String[] args) throws Exception {
SwingUtilities.invokeAndWait(() -> {
f = new JFrame();
b = new JButton("Shutdown" );
b.setMnemonic(KeyEvent.VK_F4);
b.setPreferredSize(new Dimension(100 , 25 ));
b.setToolTipText("Shutdown" );
f.getContentPane().add(b);
f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
f.setUndecorated(true );
f.setLocationRelativeTo(null );
f.pack();
f.setVisible(true );
});
Robot robot = new Robot();
robot.waitForIdle();
robot.delay(1000 );
Point p = b.getLocationOnScreen();
BufferedImage imgmnemonic = robot.createScreenCapture(
new Rectangle(p.x, p.y, b.getWidth(), b.getHeight()));
robot.delay(1000 );
SwingUtilities.invokeAndWait(() -> {
if (f != null ) {
f.dispose();
}
});
SwingUtilities.invokeAndWait(() -> {
f = new JFrame();
b = new JButton("Shutdown" );
b.setPreferredSize(new Dimension(100 , 25 ));
f.getContentPane().add(b);
f.setDefaultCloseOperation(f.EXIT_ON_CLOSE);
f.setUndecorated(true );
f.setLocationRelativeTo(null );
f.pack();
f.setVisible(true );
});
robot.waitForIdle();
robot.delay(1000 );
p = b.getLocationOnScreen();
BufferedImage buttonimage = robot.createScreenCapture(
new Rectangle(p.x, p.y, b.getWidth(), b.getHeight()));
robot.delay(1000 );
SwingUtilities.invokeAndWait(() -> {
if (f != null ) {
f.dispose();
}
});
if (!compareBufferedImages(imgmnemonic, buttonimage)) {
ImageIO.write(imgmnemonic, "png" , new File("imgmnemonic.png" ));
ImageIO.write(buttonimage, "png" , new File("buttonimage.png" ));
throw new RuntimeException("F4 mnemonic underlines S" );
}
}
}
Messung V0.5 in Prozent C=97 H=93 G=94
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