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 *

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/*

 * @test

 * @key headful

 * @bug 8014863

 * @bug 8024395

 * @summary  Tests the calculation of the line breaks when a text is inserted

 * @author Dmitry Markov

 * @library ../../../regtesthelpers

 * @build Util

 * @run main bug8014863

 */

import javax.swing.*;

import javax.swing.text.GlyphView;

import javax.swing.text.View;

import javax.swing.text.html.HTMLEditorKit;

import java.awt.*;

import java.awt.event.KeyEvent;

import java.lang.reflect.Field;

import java.util.ArrayList;

import java.util.Arrays;

public class bug8014863 {

    private static JEditorPane editorPane;

    private static JFrame frame;

    private static Robot robot;

    private static String text1 = "<p>one two qqqq <em>this is a test sentence</em> qqqq <em>pp</em> qqqq <em>pp</em> " +

            "qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq</p>";

    private static String text2 = "<p>qqqq <em>this is a test sentence</em> qqqq <em>pp</em> qqqq <em>pp</em> " +

            "qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq <em>pp</em> qqqq</p>";

    private static ArrayList<GlyphView> glyphViews;

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

        robot = new Robot();

        robot.setAutoDelay(50);

        glyphViews = new ArrayList<GlyphView>();

        createAndShowGUI(text1);

        robot.waitForIdle();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                retrieveGlyphViews(editorPane.getUI().getRootView(editorPane));

            }

        });

        GlyphView [] arr1 = glyphViews.toArray(new GlyphView[glyphViews.size()]);

        frame.dispose();

        glyphViews.clear();

        createAndShowGUI(text2);

        robot.waitForIdle();

        Util.hitKeys(robot, KeyEvent.VK_HOME);

        robot.waitForIdle();

        Util.hitKeys(robot, KeyEvent.VK_O);

        Util.hitKeys(robot, KeyEvent.VK_N);

        Util.hitKeys(robot, KeyEvent.VK_E);

        Util.hitKeys(robot, KeyEvent.VK_SPACE);

        Util.hitKeys(robot, KeyEvent.VK_T);

        Util.hitKeys(robot, KeyEvent.VK_W);

        Util.hitKeys(robot, KeyEvent.VK_O);

        Util.hitKeys(robot, KeyEvent.VK_SPACE);

        robot.waitForIdle();

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                retrieveGlyphViews(editorPane.getUI().getRootView(editorPane));

            }

        });

        GlyphView [] arr2 = glyphViews.toArray(new GlyphView[glyphViews.size()]);

        if (arr1.length != arr2.length) {

            throw new RuntimeException("Test Failed!");

        }

        for (int i=0; i<arr1.length; i++) {

            GlyphView v1 = arr1[i];

            GlyphView v2 = arr2[i];

            Field field = GlyphView.class.getDeclaredField("breakSpots");

            field.setAccessible(true);

            int[] breakSpots1 = (int[])field.get(v1);

            int[] breakSpots2 = (int[])field.get(v2);

            if (!Arrays.equals(breakSpots1,breakSpots2)) {

                throw new RuntimeException("Test Failed!");

            }

        }

        frame.dispose();

    }

    private static void retrieveGlyphViews(View root) {

        for (int i=0; i<= root.getViewCount()-1; i++) {

            View view = root.getView(i);

            if (view instanceof GlyphView && view.isVisible()) {

                if (!glyphViews.contains(view)) {

                    glyphViews.add((GlyphView)view);

                }

            } else {

                retrieveGlyphViews(view);

            }

        }

    }

    private static void createAndShowGUI(String text) throws Exception {

        SwingUtilities.invokeAndWait(new Runnable() {

            public void run() {

                try {

                    UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");

                } catch (Exception ex) {

                    throw new RuntimeException(ex);

                }

                frame = new JFrame();

                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                editorPane = new JEditorPane();

                HTMLEditorKit editorKit = new HTMLEditorKit();

                editorPane.setEditorKit(editorKit);

                editorPane.setText(text);

                editorPane.setCaretPosition(1);

                frame.add(editorPane);

                frame.setSize(200, 200);

                frame.setVisible(true);

            }

        });

    }

}