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* 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 .
*
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*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.Panel;
import java.awt.Robot;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/*
* @ test
* @ bug 8265586
* @ key headful
* @ summary Tests whether correct native frame insets are obtained
* for Resizable & Non - Resizable AWT Frame by checking the actual
* and expected / preferred frame sizes .
* @ run main AwtFramePackTest
*/
public class AwtFramePackTest {
private static Frame frame;
private static Robot robot;
private static StringBuffer errorLog = new StringBuffer();
public static void main(String[] args) throws AWTException {
robot = new Robot();
robot.setAutoDelay(300 );
// Resizable frame
createAWTFrame(true );
robot.waitForIdle();
robot.delay(500 );
// Non-Resizable frame
createAWTFrame(false );
if (!errorLog.isEmpty()) {
throw new RuntimeException("Test failed due to the following" +
" one or more errors: \n" + errorLog);
}
}
private static void createAWTFrame(boolean isResizable) {
try {
frame = new Frame();
frame.setLayout(new BorderLayout());
Panel panel = new Panel();
panel.add(new Button("Panel Button B1" ));
panel.add(new Button("Panel Button B2" ));
frame.add(panel, BorderLayout.CENTER);
MenuBar mb = new MenuBar();
Menu m = new Menu("Menu" );
mb.add(m);
frame.setMenuBar(mb);
frame.setResizable(isResizable);
frame.pack();
frame.setVisible(true );
robot.waitForIdle();
robot.delay(500 );
Dimension actualFrameSize = frame.getSize();
Dimension expectedFrameSize = frame.getPreferredSize();
if (!actualFrameSize.equals(expectedFrameSize)) {
String frameType = isResizable ? "ResizableFrame" : "NonResizableFrame" ;
System.out.println("Expected frame size: " + expectedFrameSize);
System.out.println("Actual frame size: " + actualFrameSize);
saveScreenCapture(frameType + ".png" );
errorLog.append(frameType + ": Expected and Actual frame size" +
" are different. frame.pack() does not work!! \n" );
}
} finally {
if (frame != null ) {
frame.dispose();
}
}
}
// for debugging purpose, saves screen capture when test fails.
private static void saveScreenCapture(String filename) {
BufferedImage image = robot.createScreenCapture(frame.getBounds());
try {
ImageIO.write(image,"png" , new File(filename));
} catch (IOException e) {
e.printStackTrace();
}
}
}
Messung V0.5 in Prozent C=93 H=92 G=92
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-06-10)
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