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/*

  test

  @bug       6382750

  @summary   Tests that modal dialog doesn't request extra initial focus on show.

  @author    anton.tarasov@sun.com: area=awt.focus

  @run       applet ModalDialogInitialFocusTest.html

*/

import java.awt.*;

import java.awt.event.*;

import java.applet.Applet;

import java.util.concurrent.atomic.AtomicBoolean;

import java.lang.reflect.InvocationTargetException;

public class ModalDialogInitialFocusTest extends Applet {

    Robot robot;

    Dialog dialog = new Dialog((Window)null, "Test Dialog", Dialog.ModalityType.TOOLKIT_MODAL);

    Button button = new Button("button");

    volatile static boolean passed = true;

    public static void main(String[] args) {

        ModalDialogInitialFocusTest app = new ModalDialogInitialFocusTest();

        app.init();

        app.start();

    }

    public void init() {

        try {

            robot = new Robot();

        } catch (AWTException e) {

            throw new RuntimeException("Error: unable to create robot", e);

        }

        // Create instructions for the user here, as well as set up

        // the environment -- set the layout manager, add buttons,

        // etc.

        this.setLayout (new BorderLayout ());

    }

    public void start() {

        dialog.setLayout(new FlowLayout());

        dialog.add(button);

        dialog.setBounds(800, 0, 100, 100);

        dialog.addFocusListener(new FocusAdapter() {

                // The only expected FOCUS_GAINED is on the button.

                public void focusGained(FocusEvent e) {

                    passed = false;

                }

            });

        test();

    }

    void test() {

        new Thread(new Runnable() {

                public void run() {

                  dialog.setVisible(true);

                }

            }).start();

        waitTillShown(dialog);

        robot.waitForIdle();

        dialog.dispose();

        if (passed) {

        } else {

            throw new RuntimeException("Test failed: dialog requests extra focus on show!");

        }

    }

    void waitTillShown(Component c) {

        while (true) {

            try {

                Thread.sleep(100);

                c.getLocationOnScreen();

                break;

            } catch (InterruptedException ie) {

                ie.printStackTrace();

                break;

            } catch (IllegalComponentStateException e) {

            }

        }

    }

}