jdk/test/java/awt/Window/MaximizeOffscreen/MaximizeOffscreenTest.java

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 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test @summary JVM crash if the frame maximized from offscreen
 * @bug 8020210
 * @author Petr Pchelko
 * @library ../../regtesthelpers
 * @build Util
 * @compile MaximizeOffscreenTest.java
 * @run main/othervm MaximizeOffscreenTest
 */

import test.java.awt.regtesthelpers.Util;

import javax.swing.*;
import java.awt.*;

public class MaximizeOffscreenTest {

    private static JFrame frame;

    public static void main(String[] args) throws Throwable {

        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                constructTestUI();
            }
        });

        Util.waitForIdle(null);
        SwingUtilities.invokeAndWait(new Runnable() {
            @Override
            public void run() {
                frame.setExtendedState(Frame.MAXIMIZED_BOTH);
            }
        });
        Util.waitForIdle(null);
    }

    private static void constructTestUI() {
        frame = new JFrame("Test frame");
        frame.setUndecorated(true);
        frame.setBounds(-1000, -1000, 100, 100);
        frame.setVisible(true);
    }
}