/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2022 iText Group NV
    Authors: iText Software.

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation with the addition of the
    following permission added to Section 15 as permitted in Section 7(a):
    FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
    ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
    OF THIRD PARTY RIGHTS
    
    This program 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 Affero General Public License for more details.
    You should have received a copy of the GNU Affero General Public License
    along with this program; if not, see http://www.gnu.org/licenses or write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA, 02110-1301 USA, or download the license from the following URL:
    http://itextpdf.com/terms-of-use/
    
    The interactive user interfaces in modified source and object code versions
    of this program must display Appropriate Legal Notices, as required under
    Section 5 of the GNU Affero General Public License.
    
    In accordance with Section 7(b) of the GNU Affero General Public License,
    a covered work must retain the producer line in every PDF that is created
    or manipulated using iText.
    
    You can be released from the requirements of the license by purchasing
    a commercial license. Buying such a license is mandatory as soon as you
    develop commercial activities involving the iText software without
    disclosing the source code of your own applications.
    These activities include: offering paid services to customers as an ASP,
    serving PDFs on the fly in a web application, shipping iText with a closed
    source product.
    
    For more information, please contact iText Software Corp. at this
    address: sales@itextpdf.com
 */
package com.itextpdf.text.pdf;

import com.itextpdf.testutils.CompareTool;
import com.itextpdf.text.*;
import com.itextpdf.text.pdf.parser.*;
import com.itextpdf.text.xml.XMLUtil;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.*;

public class TaggedPdfTest {
    private Document document;
    private PdfWriter writer;
    private Paragraph h1;

    private static final String text = new String("Lorem ipsum dolor sit amet," +
            "consectetur adipiscing elit." +
            "Pellentesque a lectus sit amet lectus accumsan aliquam." +
            "Quisque facilisis ullamcorper dolor, quis gravida leo faucibus in. Donec a dolor ligula, quis placerat nunc. Etiam enim velit, egestas in lacinia at, ultricies eu massa." +
            "Cras ornare felis id quam vehicula lobortis. Ut semper malesuada nulla, in vulputate dui eleifend at. Phasellus pulvinar nisl a lorem volutpat pellentesque. In vitae" +
            "ligula et quam vestibulum iaculis eget vitae massa. Fusce vitae leo ut diam suscipit dictum in id sapien. Praesent mi ligula, auctor vitae ultrices in, venenatis non" +
            "odio. Nullam sit amet velit pellentesque lectus consectetur lacinia nec quis mi. In hac habitasse platea dictumst." +
            "Quisque facilisis ullamcorper dolor, quis gravida leo faucibus in." +
            "Donec a dolor ligula, quis placerat nunc.\n" +
            "1. Etiam enim velit, egestas in lacinia at, ultricies eu massa. Cras ornare felis id quam vehicula lobortis. Ut semper malesuada nulla, in vulputate dui eleifend at." +
            "Phasellus pulvinar nisl a lorem volutpat pellentesque. In vitae ligula et quam vestibulum iaculis eget vitae massa. Fusce vitae leo ut diam suscipit dictum in id" +
            "sapien. Praesent mi ligula, auctor vitae ultrices in, venenatis non odio. Nullam sit amet velit pellentesque lectus consectetur lacinia nec quis mi. In hac" +
            "habitasse platea dictumst.\n" +
            "2. Morbi euismod, nunc quis malesuada feugiat, dui nibh rhoncus leo, quis cursus erat tellus vel tortor. Mauris nibh dolor, iaculis et pharetra pretium," +
            "pellentesque vitae erat. Aenean enim nisi, euismod quis ultricies vel, convallis nec nulla. Suspendisse nisl purus, molestie et egestas ac, cursus in mauris." +
            "Aliquam erat volutpat. Donec at nulla in elit faucibus mollis ac vel enim. Nullam dapibus dui sit amet sem consectetur ac vulputate est sagittis. Aliquam luctus" +
            "ornare nulla. Mauris adipiscing congue pharetra. Proin tempus, nibh sed pretium tempor, arcu est hendrerit est, et dignissim odio leo non purus." +
            "Suspendisse non elit massa. Vestibulum tincidunt ipsum vitae dui congue sagittis. Aenean porttitor tristique euismod. Nulla id justo in quam imperdiet" +
            "facilisis ut non turpis. Lorem ipsum dolor sit amet, consectetur adipiscing elit.\n" +
            "3. Aliquam non elit ligula, nec hendrerit urna. Mauris ut velit sapien. Sed in convallis diam. Nulla faucibus, purus a porttitor ultrices, est quam convallis magna," +
            "molestie aliquam sapien nulla eget metus. Integer nec enim mi, eu mattis massa. Integer quis sapien vel purus pretium ullamcorper ac id dui. Suspendisse" +
            "pellentesque tellus sit amet neque pulvinar egestas lacinia diam imperdiet.\n" +
            "4. Curabitur hendrerit, sem et facilisis vestibulum, massa felis vestibulum ligula, ut faucibus massa nisi in neque. Nulla facilisi. Etiam diam mauris, pellentesque" +
            "lacinia dapibus at, lobortis non quam. Nullam et neque quis diam vestibulum scelerisque ullamcorper non mauris. Cras massa enim, commodo malesuada" +
            "tincidunt ac, lobortis eu erat. Sed sed risus velit. Suspendisse tellus tortor, ullamcorper nec tristique ac, semper non nulla. Maecenas vitae diam orci, sed" +
            "fermentum enim. Curabitur a libero nisl, vel laoreet nulla. Integer id volutpat sem. Pellentesque blandit, tellus at consequat dictum, urna sem elementum nisi," +
            "a bibendum nisi ipsum sit amet felis. Donec mattis ipsum nec metus lobortis eget volutpat nisl volutpat.\n" +
            "5. Fusce in aliquet nibh. Etiam quis varius ipsum. Vivamus sit amet mauris a libero iaculis semper in a neque. Nam faucibus congue posuere. Cras vitae nibh" +
            "sed magna ultricies pretium. Proin eget lacus quis dui ullamcorper cursus commodo in lacus. Quisque et sem id leo venenatis dictum dignissim et felis." +
            "Vestibulum enim urna, vehicula vel dictum in, congue quis sapien. Quisque ac mauris tellus. Nulla cursus pellentesque mauris viverra bibendum. Fusce" +
            "molestie dui id sem blandit in convallis justo euismod. Curabitur velit nisi, adipiscing sed consequat et, dignissim eget dolor. Aenean malesuada quam id mi" +
            "vestibulum pulvinar. Nullam diam quam, lobortis sit amet semper vitae, tempus eget dolor.");

    @Before
    public void setUp() {
        new File("./target/com/itextpdf/test/pdf/TaggedPdfTest/").mkdirs();
    }

    private void initializeDocument(String path) throws DocumentException, FileNotFoundException {
        initializeDocument(path, PdfWriter.VERSION_1_7);
    }

    private void initializeDocument(String path, char pdfVersion) throws DocumentException, FileNotFoundException {
        new File("./target/com/itextpdf/test/pdf/TaggedPdfTest/").mkdirs();
        Document.compress = false;
        document = new Document();
        writer = PdfWriter.getInstance(document, new FileOutputStream(path));
        writer.setPdfVersion(pdfVersion);
        writer.setTagged();
        document.open();

        //Required for PDF/UA
        writer.setViewerPreferences(PdfWriter.DisplayDocTitle);
        document.addLanguage("en-US");
        document.addTitle("Some title");
        writer.createXmpMetadata();
        Chunk c = new Chunk("Document Header", new Font(Font.FontFamily.HELVETICA,14,Font.BOLD,BaseColor.BLUE));
        h1 = new Paragraph(c);
        h1.setRole(PdfName.H1);
    }

    @Test
    public void createTaggedPdf0() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out0.pdf");
        Paragraph paragraph = new Paragraph();
        Chunk c = new Chunk(" Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n\n");
        paragraph.add(c);
        ColumnText columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();
        document.close();

        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out0.pdf");
        paragraph = new Paragraph();
        c = new Chunk("  ");
        paragraph.add(c);
        columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();
        document.close();

        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out0.pdf");
        paragraph = new Paragraph();
        c = new Chunk("Hello World");
        paragraph.add(c);
        columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();
        document.close();

        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out0.pdf");
        paragraph = new Paragraph();
        c = new Chunk("Hello World");
        paragraph.add(c);
        document.add(paragraph);
        document.close();

        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out0.pdf");
        paragraph = new Paragraph();
        c = new Chunk(" Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n");
        paragraph.add(c);
        paragraph.setFont(new Font(Font.FontFamily.HELVETICA,8,Font.NORMAL,BaseColor.RED));
        document.add(paragraph);
        document.close();

    }


    @Test
    public void createTaggedPdf1() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out1.pdf");
        Paragraph paragraph = new Paragraph(text);
        paragraph.setFont(new Font(Font.FontFamily.HELVETICA, 8, Font.NORMAL, BaseColor.RED));
        ColumnText columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(h1);
        columnText.addElement(paragraph);
        columnText.go();
        columnText.setSimpleColumn(300, 36, 500, 800);
        columnText.go();
        document.close();
        compareResults("1");
    }

    @Test
    public void createTaggedPdf2() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out2.pdf");
        Paragraph paragraph = new Paragraph(text);
        ColumnText columnText = new ColumnText(writer.getDirectContent());

        columnText.setSimpleColumn(36,36,400,800);
        columnText.addElement(h1);
        columnText.addElement(paragraph);
        columnText.go();
        document.newPage();
        columnText.setSimpleColumn(36, 36, 400, 800);
        columnText.go();
        document.close();
        compareResults("2");
    }

    @Test
    public void createTaggedPdf3() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out3.pdf");
        Paragraph paragraph = new Paragraph(text);
        document.add(h1);
        document.add(paragraph);
        document.close();
        compareResults("3");
    }

    @Test
    public void createTaggedPdf4() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out4.pdf");
        Paragraph p = new Paragraph();
        PdfName nParagraph = new PdfName("Paragraph");
        p.setRole(nParagraph);
        writer.getStructureTreeRoot().mapRole(nParagraph, PdfName.P);

        try {
            Chunk c = new Chunk("Quick brown ");
            PdfName nTextBlock = new PdfName("TextBlock");
            c.setRole(nTextBlock);
            writer.getStructureTreeRoot().mapRole(nTextBlock, PdfName.SPAN);
            p.add(c);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            c = new Chunk(i, 0, 0);
            PdfName nImage = new PdfName("Image");
            c.setRole(nImage);
            writer.getStructureTreeRoot().mapRole(nImage, PdfName.FIGURE);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            p.add(c);
            p.add(new Chunk(" jumped over a lazy "));
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            p.add(c);

        } catch (Exception e) {

        }
        document.add(h1);
        document.add(p);
        document.close();
        compareResults("4");
    }

    @Test
    public void createTaggedPdf5() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out5.pdf");
        List list = new List(true);
        try {
            list = new List(true);
            ListItem listItem = new ListItem(new Chunk("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line."));
            list.add(listItem);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            Chunk c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Chunk("jumped over a lazy"));
            list.add(listItem);
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            listItem = new ListItem(c);
            list.add(listItem);
        } catch (Exception e) {

        }
        document.add(h1);
        document.add(list);
        document.close();

        compareResults("5");
    }

    @Test
    public void createTaggedPdf6() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out6.pdf");

        ColumnText columnText = new ColumnText(writer.getDirectContent());

        List list = new List(true);
        try {
            list = new List(true);
            ListItem listItem = new ListItem(new Chunk("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line."));
            list.add(listItem);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            Chunk c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Chunk("jumped over a lazy"));
            list.add(listItem);
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            listItem = new ListItem(c);
            list.add(listItem);
        } catch (Exception e) {

        }
        columnText.setSimpleColumn(36,36,400,800);
        columnText.addElement(h1);
        columnText.addElement(list);
        columnText.go();
        document.close();
        compareResults("6");
    }

    @Test
    public void createTaggedPdf7() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out7.pdf");
        List list = new List(true);
        try {
            list = new List(true);
            ListItem listItem = new ListItem(new Chunk("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line."));
            list.add(listItem);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            Chunk c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Chunk("jumped over a lazy"));
            list.add(listItem);
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Paragraph(text));
            list.add(listItem);
        } catch (Exception e) {

        }
        document.add(h1);
        document.add(list);
        document.close();

        compareResults("7");
    }

    @Test
    public void createTaggedPdf8() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out8.pdf");

        ColumnText columnText = new ColumnText(writer.getDirectContent());

        List list = new List(true);
        try {
            list = new List(true);
            ListItem listItem = new ListItem(new Chunk("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line."));
            list.add(listItem);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            Chunk c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Chunk("jumped over a lazy"));
            list.add(listItem);
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            listItem = new ListItem(c);
            list.add(listItem);
            listItem = new ListItem(new Paragraph(text));
            list.add(listItem);
        } catch (Exception e) {

        }
        columnText.setSimpleColumn(36,36,400,800);
        columnText.addElement(h1);
        columnText.addElement(list);
        columnText.go();
        document.newPage();
        columnText.setSimpleColumn(36, 36, 400, 800);
        columnText.go();
        document.close();

        compareResults("8");
    }

    @Test
    public void createTaggedPdf9() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out9.pdf");
        PdfPTable table = new PdfPTable(2);
        try {
            table.addCell("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line.");
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            table.addCell(i);
            table.addCell("jumped over a lazy");
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            table.addCell(i);
            table.addCell("Hello World");
            Paragraph p = new Paragraph(text);
            table.addCell(p);
        } catch (Exception e) {

        }
        document.add(h1);
        document.add(table);
        document.add(new Paragraph("Extra paragraph at the end of the document. Please make sure that this is really last portion of page content."));
        document.close();
        compareResults("9");
    }

    @Test
    public void createTaggedPdf10() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out10.pdf");
        PdfPTable table = new PdfPTable(2);
        try {
            table.addCell("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line.");
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            table.addCell(i);
            table.addCell("jumped over a lazy");
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            table.addCell(i);

            PdfPTable t = new PdfPTable(2);
            t.addCell("Quick brown fox jumped over a lazy dog. A very long line appears here because we need new line.");
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            t.addCell(i);
            t.addCell("jumped over a lazy");
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            i.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            t.addCell(i);
            t.addCell(text);
            t.addCell("Hello World");
            table.addCell(t);


            Paragraph p = new Paragraph(text);
            table.addCell(p);
        } catch (Exception e) {

        }
        document.add(h1);
        document.add(table);
        document.close();

        compareResults("10");
    }

    @Test
    public void createTaggedPdf11() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out11.pdf");

        Chapter c = new Chapter(new Paragraph("First chapter", new Font(Font.FontFamily.HELVETICA,16,Font.BOLD,BaseColor.BLUE)), 1);
        c.setTriggerNewPage(false);
        c.setIndentation(40);
        Section s1 = c.addSection(new Paragraph("First section of a first chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        Section s2 = s1.addSection(new Paragraph("First subsection of a first section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a first section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a first section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Second section of a first chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a second section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a second section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a second section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Third section of a first chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a third section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a third section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a third section of a first chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        document.add(c);

        c = new Chapter(new Paragraph("Second chapter", new Font(Font.FontFamily.HELVETICA,16,Font.BOLD,BaseColor.BLUE)), 2);
        c.setTriggerNewPage(false);
        c.setIndentation(40);
        s1 = c.addSection(new Paragraph("First section of a second chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a first section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a first section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a first section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Second section of a second chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a second section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a second section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a second section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Third section of a second chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a third section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a third section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a third section of a second chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        document.add(c);

        c = new Chapter(new Paragraph("Third chapter", new Font(Font.FontFamily.HELVETICA,16,Font.BOLD,BaseColor.BLUE)), 3);
        c.setTriggerNewPage(false);
        c.setIndentation(40);
        s1 = c.addSection(new Paragraph("First section of a third chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a first section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a first section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a first section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Second section of a third chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a second section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a second section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a second section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s1 = c.addSection(new Paragraph("Third section of a third chapter", new Font(Font.FontFamily.HELVETICA,13,Font.BOLD,BaseColor.BLUE)));
        s1.setIndentation(20);
        s2 = s1.addSection(new Paragraph("First subsection of a third section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Second subsection of a third section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        s2 = s1.addSection(new Paragraph("Third subsection of a third section of a third chapter", new Font(Font.FontFamily.HELVETICA,10,Font.BOLD,BaseColor.BLUE)));
        s2.setIndentation(10);
        s2.add(new Paragraph("Some text..."));
        document.add(c);
        c = new Chapter(4);
        c.setTriggerNewPage(false);
        c.setIndentation(40);
        c.addSection("First section of a fourths chapter, the chapter itself is invisible");
        document.add(c);

        document.close();

        compareResults("11");
    }

    @Test
    public void createTaggedPdf12() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out12.pdf");

        PdfPTable table = new PdfPTable(2);
        PdfPCell cell = new PdfPCell(new Paragraph("header 1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("header 2"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 2"));
        cell.setColspan(2);
        table.addCell(cell);
        table.setHeaderRows(4);
        table.setFooterRows(2);
        try {
            for (int i = 1; i <= 50; i++) {
                table.addCell("row " + i + ", column 1");
                table.addCell("row " + i + ", column 2");
            }
        } catch (Exception e) {

        }
        document.add(table);
        document.close();

        compareResults("12");
    }

    @Test
    public void createTaggedPdf13() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out13.pdf");

        Paragraph p = new Paragraph();
        Chunk chunk = new Chunk("Please visit ");
        p.add(chunk);

        PdfAction action = new PdfAction("http://itextpdf.com");
        chunk = new Chunk("http://itextpdf.com", new Font(Font.FontFamily.HELVETICA,Font.UNDEFINED,Font.UNDERLINE,BaseColor.BLUE));
        chunk.setAction(action);
        p.add(chunk);
        p.add(new Chunk(" for more details."));
        document.add(p);
        document.close();
        compareResults("13");
    }

    @Test
    public void createTaggedPdf14() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out14.pdf");
        Paragraph paragraph = new Paragraph("Document MUST contain 1 page only!");
        document.newPage();
        ColumnText columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();
        document.close();
        PdfReader reader = new PdfReader("./target/com/itextpdf/test/pdf/TaggedPdfTest/out14.pdf");
        Assert.assertEquals(1, reader.getNumberOfPages());
    }

    @Test
    public void createTaggedPdf15() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out15.pdf");

        Paragraph p = new Paragraph();
        Chunk chunk = new Chunk("Hello tagged world!");
        chunk.setBackground(new BaseColor(255, 0, 255));
        chunk.setFont(FontFactory.getFont("TimesNewRoman", 20, BaseColor.ORANGE));
        chunk.setUnderline(BaseColor.PINK, 1.2f, 1, 1, 1, 0);
        p.add(chunk);

        document.add(p);
        document.close();
        compareResults("15");
    }

    @Test
    public void createTaggedPdf16() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out16.pdf");

        Paragraph p = new Paragraph();
        Chunk chunk = new Chunk("Hello tagged world!");
        chunk.setBackground(new BaseColor(255, 0, 255));
        chunk.setFont(FontFactory.getFont("TimesNewRoman", 20, BaseColor.ORANGE));
        chunk.setUnderline(BaseColor.PINK, 1.2f, 1, 1, 1, 0);
        p.add(chunk);
        PdfDiv div = new PdfDiv();
        div.addElement(p);
        document.add(div);

        document.add(new Paragraph("This paragraph appears between 2 div blocks"));

        div = new PdfDiv();
        div.addElement(new Paragraph(text));
        document.add(div);


        document.close();
        compareResults("16");
    }

    @Test
    public void createTaggedPdf17() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out17.pdf");

        PdfPTable table = new PdfPTable(2);
        PdfPCell cell = new PdfPCell(new Paragraph("h1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("h2"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 2"));
        cell.setColspan(2);
        table.addCell(cell);
        table.setHeaderRows(4);
        table.setFooterRows(2);

        try {
            PdfPHeaderCell headerCell = new PdfPHeaderCell();
            headerCell.setScope(PdfPHeaderCell.ROW);
            headerCell.setPhrase(new Phrase("header1"));
            headerCell.setName("header1");
            table.addCell(headerCell);
            PdfPHeaderCell headerCell2 = new PdfPHeaderCell();
            headerCell2.setScope(PdfPHeaderCell.ROW);
            headerCell2.setPhrase(new Phrase("header2"));
            headerCell2.setName("header2");
            table.addCell(headerCell2);
            cell = new PdfPCell(new Phrase("row 2, column 1"));
            cell.addHeader(headerCell);
            table.addCell(cell);
            cell = new PdfPCell(new Phrase("row 2, column 2"));
            cell.addHeader(headerCell2);
            cell.addHeader(headerCell2);
            table.addCell(cell);
        } catch (Exception e) {
            System.out.println(e.getLocalizedMessage());
        }
        document.add(table);
        document.close();
        compareResults("17");
    }

    @Test
    public void createTaggedPdf18() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out18.pdf");

        PdfDiv div = new PdfDiv();

        Paragraph paragraph = new Paragraph(text);
        paragraph.setFont(new Font(Font.FontFamily.HELVETICA, 8, Font.NORMAL, BaseColor.RED));

        div.setBackgroundColor(BaseColor.MAGENTA);
        div.setTextAlignment(Element.ALIGN_CENTER);
        div.addElement(paragraph);
        document.add(div);
        document.close();
        compareResults("18");
    }

    @Test
    public void createTaggedPdf19() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out19.pdf");

        PdfDiv div = new PdfDiv();
        writer.getDirectContent().openMCBlock(div);

        PdfArtifact artifact = new PdfArtifact();
        artifact.setType(new PdfString("Background"));
        writer.getDirectContent().openMCBlock(artifact);
        writer.getDirectContent().setColorFill(BaseColor.RED);
        writer.getDirectContent().rectangle(100, 100, 400, 400);
        writer.getDirectContent().fill();
        writer.getDirectContent().closeMCBlock(artifact);

        writer.getDirectContent().closeMCBlock(div);

        document.close();
        compareResults("19");
    }

    @Test
    public void createTaggedPdf20() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out20.pdf");

        Paragraph paragraph = new Paragraph();
        paragraph.getFont().setColor(BaseColor.RED);
        Chunk c = new Chunk("Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n\n");
        paragraph.add(c);

        ColumnText columnText = new ColumnText(writer.getDirectContent());
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();

        PdfTemplate template = writer.getDirectContent().createTemplate(PageSize.A4.getWidth(), PageSize.A4.getHeight());
        writer.getDirectContent().addTemplate(template, 0, 0, true);

        columnText = new ColumnText(template);
        columnText.setSimpleColumn(36, 36, 250, 750);
        columnText.addText(new Phrase(new Chunk("Hello word \n")));
        columnText.go();

        document.newPage();

        paragraph = new Paragraph();
        paragraph.getFont().setColor(BaseColor.RED);
        c = new Chunk("Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n");
        paragraph.add(c);

        columnText = new ColumnText(template);
        columnText.setSimpleColumn(36, 36, 250, 700);
        columnText.addElement(paragraph);
        columnText.go();

        template = writer.getDirectContent().createTemplate(PageSize.A4.getWidth(), PageSize.A4.getHeight());
        writer.getDirectContent().addTemplate(template, 0, 0, true);

        paragraph = new Paragraph();
        paragraph.getFont().setColor(BaseColor.GREEN);
        c = new Chunk("Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n");
        paragraph.add(c);

        columnText = new ColumnText(template);
        columnText.setSimpleColumn(36, 36, 250, 800);
        columnText.addElement(paragraph);
        columnText.go();

        paragraph = new Paragraph();
        paragraph.getFont().setColor(BaseColor.BLUE);
        c = new Chunk("Hello ");
        paragraph.add(c);
        c = new Chunk("  world\n");
        paragraph.add(c);

        template = writer.getDirectContent().createTemplate(PageSize.A4.getWidth(), PageSize.A4.getHeight());

        columnText = new ColumnText(template);
        columnText.setSimpleColumn(36, 36, 250, 650);
        columnText.addElement(paragraph);
        columnText.go();

        writer.getDirectContent().addTemplate(template, 0, 100);

        writer.getDirectContent().addTemplate(template, 0, 50);

        writer.getDirectContent().addTemplate(template, 0, 0);

        document.close();
        compareResults("20");
    }

    @Test
    public void createTaggedPdf21() throws DocumentException, IOException, ParserConfigurationException, SAXException  {
        try {
            initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out21.pdf");

            PdfTemplate template = writer.getDirectContent().createTemplate(PageSize.A4.getWidth(), PageSize.A4.getHeight());

            writer.getDirectContent().addTemplate(template, 0, 0, true);

            ColumnText columnText = new ColumnText(template);
            columnText.setSimpleColumn(36, 36, 250, 750);
            columnText.addText(new Phrase("Hello word \n\n"));
            columnText.go();

            document.newPage();
            writer.getDirectContent().addTemplate(template, 0, 0);

            document.close();
        } catch (Exception conformExc) {
            junit.framework.Assert.assertEquals("Template with tagged content could not be used more than once.", conformExc.getMessage());
            return;
        } finally {
            document.close();
        }
        junit.framework.Assert.fail("Expected error: 'Template with tagged content could not be used more than once.");
    }

    @Test
    public void createTaggedPdf22() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out22.pdf", PdfWriter.VERSION_1_4);
        Paragraph p = new Paragraph();
        PdfName nParagraph = new PdfName("Paragraph");
        p.setRole(nParagraph);
        writer.getStructureTreeRoot().mapRole(nParagraph, PdfName.P);

        try {
            Chunk c = new Chunk("Quick brown ");
            PdfName nTextBlock = new PdfName("TextBlock");
            c.setRole(nTextBlock);
            writer.getStructureTreeRoot().mapRole(nTextBlock, PdfName.SPAN);
            p.add(c);
            Image i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/fox.bmp");
            c = new Chunk(i, 0, 0);
            PdfName nImage = new PdfName("Image");
            c.setRole(nImage);
            writer.getStructureTreeRoot().mapRole(nImage, PdfName.FIGURE);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Fox image"));
            p.add(c);
            p.add(new Chunk(" jumped over a lazy "));
            i = Image.getInstance("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/dog.bmp");
            c = new Chunk(i, 0, 0);
            c.setAccessibleAttribute(PdfName.ALT, new PdfString("Dog image"));
            p.add(c);

        } catch (Exception e) {

        }
        document.add(h1);
        document.add(p);
        document.close();
        compareResults("22");
    }

    @Test
    public void createTaggedPdf23() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        initializeDocument("./target/com/itextpdf/test/pdf/TaggedPdfTest/out23.pdf", PdfWriter.VERSION_1_4);

        PdfPTable table = new PdfPTable(2);
        PdfPCell cell = new PdfPCell(new Paragraph("header 1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("header 2"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 1"));
        cell.setColspan(2);
        table.addCell(cell);
        cell = new PdfPCell(new Paragraph("footer 2"));
        cell.setColspan(2);
        table.addCell(cell);
        table.setHeaderRows(4);
        table.setFooterRows(2);
        try {
            for (int i = 1; i <= 50; i++) {
                table.addCell("row " + i + ", column 1");
                table.addCell("row " + i + ", column 2");
            }
        } catch (Exception e) {

        }
        document.add(table);
        document.close();

        compareResults("23");
    }

    @Test
    public void createTaggedPdf24() throws DocumentException, IOException, ParserConfigurationException, SAXException {
        Document document = new Document(PageSize.LETTER);



        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        PdfWriter writer = PdfWriter.getInstance(document, baos);

        writer.setViewerPreferences(PdfWriter.DisplayDocTitle);

//set more document properties

        writer.setPdfVersion(PdfWriter.VERSION_1_7);
        writer.setTagged(PdfWriter.markInlineElementsOnly);
        PdfDictionary info = writer.getInfo();
        info.put(PdfName.TITLE, new PdfString("Testing"));

        writer.createXmpMetadata();


// step 3

        document.open();
        document.addLanguage("en_US");
        document.setAccessibleAttribute(PdfName.LANG, new PdfString("en_US"));

// step 4

        Paragraph p = new Paragraph("Paragraph testing testing");
        p.setAccessibleAttribute(PdfName.ACTUALTEXT, new PdfString("Paragraph ALT Text"));
        p.setAccessibleAttribute(PdfName.ALT, new PdfString("Paragraph ALT Text"));
        document.add(p);


        BaseFont bFont = BaseFont.createFont("./src/test/resources/com/itextpdf/text/pdf/FreeMonoBold.ttf", BaseFont.WINANSI, BaseFont.EMBEDDED);
        Font font = new Font(bFont, 12);
        Chunk ck = new Chunk("Span testing testing", font);
        ck.setAccessibleAttribute(PdfName.ACTUALTEXT, new PdfString("Span ALT Text"));
        ck.setAccessibleAttribute(PdfName.ALT, new PdfString("Span ALT Text"));
        p = new Paragraph(ck);
        document.add(p);

// step 5
        document.close();

        FileOutputStream fos = new FileOutputStream(new File("./target/com/itextpdf/test/pdf/TaggedPdfTest/out24.pdf"));

        fos.write(baos.toByteArray());

        fos.flush();

        fos.close();
        compareResults("24");
    }

    /**
     * Resulting pdf should pass all tests in PAC2.
     * 13 0 obj should contain three repeating 4 0 R references and three 8 0 R.
     */
    @Test
    public void createTaggedPdf25() throws DocumentException, IOException, ParserConfigurationException, SAXException, InterruptedException {
        Document document = new Document();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        PdfWriter writer = PdfWriter.getInstance(document, baos);

        writer.setViewerPreferences(PdfWriter.DisplayDocTitle);

//set more document properties

        writer.setPdfVersion(PdfWriter.VERSION_1_7);
        writer.setTagged();
        PdfDictionary info = writer.getInfo();
        info.put(PdfName.TITLE, new PdfString("Testing"));
        writer.createXmpMetadata();
// step 3
        document.open();
        document.addLanguage("en_US");
        document.setAccessibleAttribute(PdfName.LANG, new PdfString("en_US"));
// step 4
        String longParagraphString = "Long teeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeext Paragraph testing testing";
        BaseFont bFont = BaseFont.createFont("./src/test/resources/com/itextpdf/text/pdf/FreeMonoBold.ttf", BaseFont.WINANSI, BaseFont.EMBEDDED);
        Font font = new Font(bFont, 12);
        Paragraph p = new Paragraph(longParagraphString, font);
        document.add(p);

        String longChunkString = "Long teeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeext Span testing testing";
        Chunk ck = new Chunk(longChunkString, font);
        p = new Paragraph(ck);
        document.add(p);
// step 5
        document.close();
        String outPath = "./target/com/itextpdf/test/pdf/TaggedPdfTest/";
        String outFile = outPath + "out25.pdf";
        FileOutputStream fos = new FileOutputStream(new File(outFile));
        fos.write(baos.toByteArray());
        fos.flush();
        fos.close();
        compareResults("25");

        CompareTool compareTool = new CompareTool();
        String cmpFile = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/out25.pdf";
        String errorMessage = compareTool.compareByContent(outFile, cmpFile, outPath, "diff_");
        if (errorMessage != null) {
            Assert.fail(errorMessage);
        }
    }

    @Test
    public void createTaggedPdf26() throws DocumentException, IOException, ParserConfigurationException, SAXException, InterruptedException {
        Document doc = new Document(PageSize.LETTER, 72, 72, 72, 72);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PdfWriter writer = PdfWriter.getInstance(doc, baos);
        writer.setTagged();

        doc.open();

        ColumnText ct = new ColumnText(writer.getDirectContent());
        ct.setUseAscender(true);
        ct.setAdjustFirstLine(true);
        ct.setSimpleColumn(doc.left(), doc.bottom(), doc.right(), doc.top());

        Paragraph p = new Paragraph("before");
        ct.addElement(p);

        List list = new List(List.ORDERED, List.NUMERICAL);
        list.setAutoindent(false);
        list.setIndentationLeft(14);
        list.setSymbolIndent(14);

        list.add("Item 1");

        List nested = new List(List.ORDERED, List.NUMERICAL);
        nested.setAutoindent(false);
        nested.setIndentationLeft(14);
        nested.setSymbolIndent(14);
        nested.add("Nested 1");

        list.add(nested);
        ct.addElement(list);

        p = new Paragraph("after");
        ct.addElement(p);

        ct.go();

        doc.close();


        String outPath = "./target/com/itextpdf/test/pdf/TaggedPdfTest/";
        new File(outPath).mkdirs();
        String outFile = outPath + "out26.pdf";
        FileOutputStream fos = new FileOutputStream(new File(outFile));
        fos.write(baos.toByteArray());
        fos.flush();
        fos.close();
        compareResults("26");
    }

    @Test
    public void createTaggedPdf27() throws DocumentException, IOException, ParserConfigurationException, SAXException, InterruptedException {
        Document doc = new Document();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PdfWriter writer = PdfWriter.getInstance(doc, baos);
        writer.setTagged();

        doc.open();

        String imagePath = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/Desert.jpg";
        Image img = Image.getInstance(imagePath);
        img.setAbsolutePosition(0, 0);
        img.setAccessibleAttribute(PdfName.E, new PdfString("expansion"));
        img.setAccessibleAttribute(PdfName.ALT, new PdfString("alt"));

        PdfTemplate template = writer.getDirectContent().createTemplate(img.getWidth(), img.getHeight());
        writer.getDirectContent().addTemplate(template, 100, 300, true);

        ColumnText ct = new ColumnText(template);
        ct.setSimpleColumn(0, 0, 250, 300);
        ct.addElement(img);
        ct.go();

        doc.close();


        String outPath = "./target/com/itextpdf/test/pdf/TaggedPdfTest/";
        new File(outPath).mkdirs();
        String outFile = outPath + "out27.pdf";
        FileOutputStream fos = new FileOutputStream(new File(outFile));
        fos.write(baos.toByteArray());
        fos.flush();
        fos.close();
        compareResults("27");
    }

    private boolean compareXmls(String xml1, String xml2) throws ParserConfigurationException, SAXException, IOException {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        dbf.setCoalescing(true);
        dbf.setIgnoringElementContentWhitespace(true);
        dbf.setIgnoringComments(true);
        DocumentBuilder db = dbf.newDocumentBuilder();

        org.w3c.dom.Document doc1 = db.parse(new File(xml1));
        doc1.normalizeDocument();

        org.w3c.dom.Document doc2 = db.parse(new File(xml2));
        doc2.normalizeDocument();

        return doc2.isEqualNode(doc1);
    }

    static class MyTaggedPdfReaderTool extends TaggedPdfReaderTool {

        @Override
        public void parseTag(String tag, PdfObject object, PdfDictionary page)
                throws IOException {
            if (object instanceof PdfNumber) {
                PdfNumber mcid = (PdfNumber) object;
                RenderFilter filter = new MyMarkedContentRenderFilter(mcid.intValue());
                TextExtractionStrategy strategy = new SimpleTextExtractionStrategy();
                FilteredTextRenderListener listener = new FilteredTextRenderListener(
                        strategy, filter);
                PdfContentStreamProcessor processor = new PdfContentStreamProcessor(
                        listener);
                processor.processContent(PdfReader.getPageContent(page), page
                        .getAsDict(PdfName.RESOURCES));
                out.print(XMLUtil.escapeXML(listener.getResultantText(), true));
            } else {
                super.parseTag(tag, object, page);
            }
        }

        @Override
        public void inspectChildDictionary(PdfDictionary k) throws IOException {
            inspectChildDictionary(k, true);
        }


    }

    static class MyMarkedContentRenderFilter extends MarkedContentRenderFilter {

        int mcid;

        public MyMarkedContentRenderFilter(int mcid) {
            super(mcid);
            this.mcid = mcid;
        }

        @Override
        public boolean allowText(TextRenderInfo renderInfo){
            return renderInfo.hasMcid(mcid, true);
        }

    }

    @After
    public void finalize() {
    	Document.compress = true;
    }

    private void compareResults(String name) throws IOException, ParserConfigurationException, SAXException {
        PdfReader reader = new PdfReader("./target/com/itextpdf/test/pdf/TaggedPdfTest/out"+ name +".pdf");
        FileOutputStream xmlOut = new FileOutputStream("./target/com/itextpdf/test/pdf/TaggedPdfTest/test"+ name +".xml");
        new MyTaggedPdfReaderTool().convertToXml(reader, xmlOut);
        xmlOut.close();
        Assert.assertTrue(compareXmls("./src/test/resources/com/itextpdf/text/pdf/TaggedPdfTest/test"+ name +".xml", "./target/com/itextpdf/test/pdf/TaggedPdfTest/test"+ name +".xml"));
    }

}
