/*

 * Copyright (c) 2016, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8145896

 * @summary JInternalFrame setMaximum before adding to desktop throws null pointer exception

 * @library ../../regtesthelpers

 * @build Util

 * @run main TestJInternalFrameMaximize

 */

import java.awt.Point;

import java.awt.Robot;

import java.awt.event.ActionEvent;

import java.awt.event.InputEvent;

import java.beans.PropertyVetoException;

import javax.swing.JFrame;

import javax.swing.JDesktopPane;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JInternalFrame;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

import javax.swing.UnsupportedLookAndFeelException;

public class TestJInternalFrameMaximize {

    private static JDesktopPane desktopPane;

    private static JFrame frame;

    private static int count = 0;

    private static JMenu menu;

    private static JMenuBar menuBar;

    private static JMenuItem menuItem;

    private static Robot robot;

    private static volatile String errorMessage = "";

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

        robot = new Robot();

        UIManager.LookAndFeelInfo[] lookAndFeelArray

                = UIManager.getInstalledLookAndFeels();

        for (UIManager.LookAndFeelInfo lookAndFeelItem : lookAndFeelArray) {

            String lookAndFeelString = lookAndFeelItem.getClassName();

            if (tryLookAndFeel(lookAndFeelString)) {

                createUI();

                robot.waitForIdle();

                executeTest();

            }

        }

        if (!"".equals(errorMessage)) {

            throw new RuntimeException(errorMessage);

        }

    }

    private static boolean tryLookAndFeel(String lookAndFeelString) {

        try {

            UIManager.setLookAndFeel(lookAndFeelString);

            return true;

        } catch (UnsupportedLookAndFeelException | ClassNotFoundException |

                InstantiationException | IllegalAccessException e) {

            errorMessage += e.getMessage() + "\n";

            System.err.println("Caught Exception: " + e.getMessage());

            return false;

        }

    }

    private static void createUI() throws Exception {

        SwingUtilities.invokeAndWait(() -> {

            frame = new JFrame("Test Frame");

            desktopPane = new JDesktopPane();

            frame.getContentPane().add(desktopPane);

            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

            menuBar = new JMenuBar();

            frame.setJMenuBar(menuBar);

            menu = new JMenu("File");

            menuBar.add(menu);

            menuItem = new JMenuItem("New Child");

            menuItem.addActionListener((ActionEvent e) -> {

                try {

                    JInternalFrame f = new JInternalFrame("Child "

                            + (++count), true, true, true, true);

                    f.setSize(200, 300);

                    f.setLocation(count * 20, count * 20);

                    f.setMaximum(true);

                    desktopPane.add(f);

                    f.setVisible(true);

                } catch (PropertyVetoException ex) {

                } catch (RuntimeException ex) {

                    errorMessage = "Test Failed";

                } finally {

                    frame.dispose();

                }

            });

            menu.add(menuItem);

            frame.setSize(500, 500);

            frame.setLocationRelativeTo(null);

            frame.setVisible(true);

        });

    }

    private static void executeTest() throws Exception {

        Point point = Util.getCenterPoint(menu);

        performMouseOperations(point);

        point = Util.getCenterPoint(menuItem);

        performMouseOperations(point);

    }

    private static void performMouseOperations(Point point) {

        robot.mouseMove(point.x, point.y);

        robot.mousePress(InputEvent.BUTTON1_MASK);

        robot.mouseRelease(InputEvent.BUTTON1_MASK);

        robot.delay(1000);

        robot.waitForIdle();

    }

}