test/jdk/java/awt/GraphicsConfiguration/Position.java

/*
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/*
 * @test
 * @bug     4271200
 * @summary This test should show that the default position of a Frame
 *          should be on the physical screen for the GraphicsConfiguration.
 *          The togglebutton shows and hides an empty frame on the second monitor.
 *          The frame should be positioned at 0, 0 and is shown and hidden by clicking the button.
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual Position
 */

import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Position extends JPanel implements ActionListener {

    static final String INSTRUCTIONS = """
        This test should show that the default position of a Frame
        should be on the physical screen for the specified GraphicsConfiguration.
        There is a window "Show/Hide" button.
        The button alternatively shows and hides an empty frame on the second monitor.
        The frame should be positioned at 0, 0 and is shown and hidden by clicking the button.
        The test passes if it behaves as described and fails otherwise.
        """;

    static volatile GraphicsDevice gd[];
    static volatile JFrame secondFrame;
    static volatile boolean on = true;

    public Position() {
        JPanel p = new JPanel();
        JButton b = new JButton("Show/Hide Window on other screen");
        b.addActionListener(this);
        p.add(b);
        add(p);
    }

    public void actionPerformed(ActionEvent e) {
        if (secondFrame == null) {
            secondFrame = new JFrame("screen1", gd[1].getDefaultConfiguration());
            secondFrame.setSize(500, 500);
            PassFailJFrame.addTestWindow(secondFrame);
        }
        secondFrame.setVisible(on);
        on = !on;
    }

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

        gd = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
        if (gd.length < 2) { /* test runs only on a multi-screen environment */
            return;
        }

        PassFailJFrame.builder()
                .title("Screen Device Position Test")
                .instructions(INSTRUCTIONS)
                .testTimeOut(5)
                .rows(10)
                .columns(50)
                .splitUIBottom(Position::new)
                .build()
                .awaitAndCheck();
    }
}