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/*
 * @test
 * @key headful
 * @bug 4369355
 * @summary To verify if SwingUtilities.convertPointToScreen() (for invisible frame)
 *          and SwingUtilities.convertPointFromScreen() return correct values
 * @run main bug4369355
 */

import java.awt.Point;
import java.awt.Robot;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;

public class bug4369355 {
    private static JFrame frame;

    private static volatile Point frameToScreenLoc;
    private static volatile Point frameFromScreenLoc;

    private static final Point EXPECTED_FROM_SCREEN_LOC = new Point(0, 0);
    private static final Point EXPECTED_TO_SCREEN_LOC = new Point(100, 100);

    public static void main (String[] args) throws Exception {
        try {
            Robot robot = new Robot();
            SwingUtilities.invokeAndWait(() -> {
                frame = new JFrame("bug4369355");
                frame.setBounds(100, 100, 100, 100);
            });
            robot.waitForIdle();
            robot.delay(1000);

            SwingUtilities.invokeAndWait(() -> {
                frameToScreenLoc = new Point(0, 0);
                SwingUtilities.convertPointToScreen(frameToScreenLoc, frame);
            });
            robot.delay(100);

            if (!frameToScreenLoc.equals(EXPECTED_TO_SCREEN_LOC)) {
                throw new RuntimeException("SwingUtilities.convertPointToScreen()"
                        + " returns incorrect point " + frameToScreenLoc + "\n"
                        + "Should be " + EXPECTED_TO_SCREEN_LOC);
            }

            SwingUtilities.invokeAndWait(() -> frame.setVisible(true));
            robot.delay(500);

            SwingUtilities.invokeAndWait(() -> {
                frameFromScreenLoc = frame.getLocationOnScreen();
                SwingUtilities.convertPointFromScreen(frameFromScreenLoc, frame);
            });
            robot.delay(100);

            if (!frameFromScreenLoc.equals(EXPECTED_FROM_SCREEN_LOC)) {
                throw new RuntimeException("SwingUtilities.convertPointFromScreen()"
                        + " returns incorrect point " + frameFromScreenLoc + "\n"
                        + "Should be " + EXPECTED_FROM_SCREEN_LOC);
            }
        } finally {
            SwingUtilities.invokeAndWait(frame::dispose);
        }
    }
}