/*
    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.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.parser.TaggedPdfReaderTool;

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

import org.junit.*;
import org.xml.sax.SAXException;

public class TaggedPdfCopyTest {
    Document document;
    PdfCopy copy;
    String output;


    public static final String NO_PARENT_TREE = "The document does not contain ParentTree";
    public static final String NO_CLASS_MAP = "The document does not contain ClassMap";
    public static final String NO_ROLE_MAP = "The document does not contain RoleMap";
    public static final String NO_STRUCT_TREE_ROOT = "No StructTreeRoot found";
    public static final String NO_ID_TREE = "The document does not contain ID Tree";
    public static final String EMPTY_ID_TREE = "The document's ID Tree is empty";

    public static final String SOURCE4 =  "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source4.pdf";
    public static final String SOURCE10 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source10.pdf";
    public static final String SOURCE11 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source11.pdf";
    public static final String SOURCE12 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source12.pdf";
    public static final String SOURCE16 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source16.pdf";
    public static final String SOURCE17 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source17.pdf";
    public static final String SOURCE18 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source18.pdf";
    public static final String SOURCE19 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source19.pdf";
    public static final String SOURCE22 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source22.pdf";
    public static final String SOURCE24 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source24.pdf";
    public static final String SOURCE25 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source25.pdf";
    public static final String SOURCE25_1 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source25_1.pdf";
    public static final String SOURCE32 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source32.pdf";
    public static final String SOURCE42 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source42.pdf";
    public static final String SOURCE51 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source51.pdf";
    public static final String SOURCE52 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source52.pdf";
    public static final String SOURCE53 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source53.pdf";
    public static final String SOURCE61 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source61.pdf";
    public static final String SOURCE62 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source62.pdf";
    public static final String SOURCE63 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source63.pdf";
    public static final String SOURCE64 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source64.pdf";
    public static final String SOURCE72 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source72.pdf";
    public static final String SOURCE73 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source73.pdf";
    public static final String SOURCE81 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/source81.pdf";
    public static final String DEV_805 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/dev-805.pdf";
    public static final String SOURCE_CF_11 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf11.pdf";
    public static final String SOURCE_CF_12 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf12.pdf";
    public static final String SOURCE_CF_13 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf13.pdf";
    public static final String SOURCE_CF_14 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf14.pdf";
    public static final String SOURCE_CF_15 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf15.pdf";
    public static final String SOURCE_CF_16 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/sourceCf16.pdf";

    public static final String CMP25 = "./src/test/resources/com/itextpdf/text/pdf/TaggedPdfCopyTest/pdf/cmp_out25.pdf";

    public static final String OUT = "./target/com/itextpdf/test/pdf/TaggedPdfCopyTest/out";
    public static final String OUTPATH = "./target/com/itextpdf/test/pdf/TaggedPdfCopyTest/";

    public static final PdfDictionary CM31 = new PdfDictionary();
    public static final PdfDictionary sElem = new PdfDictionary();
    //<</O/Layout/EndIndent 18.375/StartIndent 11.25/TextIndent -11.25/LineHeight 13>>
    //<</C/SC.7.147466/Pg 118 0 R/Type/StructElem/K 3/S/Span/Lang(en)/P 1 0 R>>

    static {
        CM31.put(PdfName.O, new PdfName("Layout"));
        CM31.put(new PdfName("EndIndent"), new PdfNumber(18.375));
        CM31.put(new PdfName("StartIndent"), new PdfNumber(11.25));
        CM31.put(new PdfName("TextIndent"), new PdfNumber(-11.25));
        CM31.put(new PdfName("LineHeight"), new PdfNumber(13));
        sElem.put(PdfName.C, new PdfName("SC.7.147466"));
        sElem.put(PdfName.K, new PdfNumber(5));
        sElem.put(PdfName.S, PdfName.SPAN);
        sElem.put(PdfName.LANG, new PdfString("en"));
    }

    @Before
    public void init() throws FileNotFoundException, DocumentException {
        new File("./target/com/itextpdf/test/pdf/TaggedPdfCopyTest/").mkdirs();
        Document.compress = false;
    }

    private void initializeDocument(String name) throws DocumentException, FileNotFoundException {
        this.output = OUT + name + ".pdf";
        document = new Document();
        copy = new PdfCopy(document, new FileOutputStream(output));
        copy.setTagged();
        document.open();
    }

    @Test(expected = BadPdfFormatException.class)
    public void classMapConflict() throws IOException, DocumentException {
        initializeDocument("-cmc");
        PdfReader reader1 = new PdfReader(SOURCE11);
        try {
            copy.addPage(copy.getImportedPage(reader1, 76, true));
        } catch (BadPdfFormatException e) {}
        reader1.close();
        PdfReader reader2 = new PdfReader(SOURCE12);
        copy.addPage(copy.getImportedPage(reader2, 76, true));
        reader2.close();
    }

    @Test(expected = BadPdfFormatException.class)
    public void roleMapConflict() throws IOException, DocumentException {
        initializeDocument("-rolemap");

        PdfReader reader1 = new PdfReader(SOURCE11);
        //PdfDictionary trailer = reader1.trailer;
        try {
            copy.addPage(copy.getImportedPage(reader1, 76, true));
        } catch (BadPdfFormatException e) {}
        reader1.close();
        PdfReader reader2 = new PdfReader(SOURCE22);
        copy.addPage(copy.getImportedPage(reader2, 76, true));
        reader2.close();
    }

    @Test
    public void pdfMergeTest() throws IOException, DocumentException {
        initializeDocument("-merge");

        int n = 14;
        PdfReader reader1 = new PdfReader(SOURCE11);
        copy.addPage(copy.getImportedPage(reader1, 76, true));
        copy.addPage(copy.getImportedPage(reader1, 83, true));
        PdfReader reader2 = new PdfReader(SOURCE32);
        copy.addPage(copy.getImportedPage(reader2, 69, true));
        copy.addPage(copy.getImportedPage(reader2, 267, true));
        document.close();
        reader1.close();
        reader2.close();
        PdfReader reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 2, "Kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);

        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        int[] nums = new int[] {44, 0, 65, 42, 0, 0, 0, 0, 0, 0, 0, 0, 0, 81};
        for (int i = 0; i < n; ++i)
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1), true);

        PdfDictionary ClassMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.CLASSMAP)), NO_CLASS_MAP);
        PdfDictionary CM31 = verifyIsDictionary(PdfStructTreeController.getDirectObject(ClassMap.get(new PdfName("CM31"))), "ClassMap does not contain.\"CM31\"");
        if (!PdfStructTreeController.compareObjects(TaggedPdfCopyTest.CM31, CM31))
            Assert.fail("ClassMap contains incorrect \"CM31\"");

        PdfDictionary RoleMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.ROLEMAP)), NO_ROLE_MAP);
        if (!PdfName.SPAN.equals(RoleMap.get(new PdfName("ParagraphSpan"))))
            throw new BadPdfFormatException("RoleMap does not contain \"ParagraphSpan\"");

        reader.close();
    }

    @Test
    public void copyTaggedPdf0() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("0");
        PdfReader reader = new PdfReader(SOURCE11);
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        document.close();
        reader.close();

        Assert.assertEquals(getCommonNumsCount(SOURCE11), getCommonNumsCount(output));

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = (PdfDictionary)reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT);


        PdfDictionary ClassMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.CLASSMAP)), NO_CLASS_MAP);
        if (ClassMap.size() != 109) Assert.fail("ClassMap incorrect");
        String[] CMs = new String[]{"CM84", "CM81", "CM80", "CM87", "CM88", "CM9", "CM94", "CM95", "CM96",
                "CM97", "CM90", "CM91", "CM92", "CM93", "CM98", "CM99", "CM16", "CM17", "CM14", "CM15",
                "CM12", "CM13", "CM10", "CM19", "CM20", "CM21", "CM22", "CM23", "CM24", "CM25", "CM26",
                "CM27", "CM28", "CM29", "CM100", "CM101", "CM102", "CM103", "CM105", "CM106", "CM30",
                "CM31", "CM34", "CM35", "CM32", "CM33", "CM38", "CM39", "CM36", "CM118", "CM117", "CM49",
                "CM48", "CM116", "CM115", "CM47", "CM114", "CM46", "CM113", "CM45", "CM112", "CM44", "CM43",
                "CM111", "CM42", "CM110", "CM41", "CM108", "CM109", "CM127", "CM126", "CM58", "CM129",
                "CM128", "CM55", "CM123", "CM54", "CM125", "CM57", "CM56", "CM51", "CM50", "CM53", "CM120",
                "CM52", "CM119", "CM68", "CM136", "CM135", "CM67", "CM133", "CM139", "CM60", "CM132", "CM64",
                "CM63", "CM62", "CM61", "CM145", "CM76", "CM78", "CM1", "CM2", "CM71", "CM70", "CM73",
                "CM141", "CM72", "CM74"};
        for (int i = 0; i < CMs.length; ++i)
            verifyIsDictionary(PdfStructTreeController.getDirectObject(ClassMap.get(new PdfName(CMs[i]))), "ClassMap does not contain \""+CMs[i]+"\"");

        PdfDictionary RoleMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.ROLEMAP)), NO_ROLE_MAP);
        if (!PdfName.SPAN.equals(RoleMap.get(new PdfName("ParagraphSpan"))))
            throw new BadPdfFormatException("RoleMap does not contain \"ParagraphSpan\".");

        //if (reader.eofPos != 3378440L) Assert.fail("Invalid size of pdf.");
        reader.close();
        compareResults("0");
    }

    @Test
    public void copyTaggedPdf1() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("1");
        PdfReader reader = new PdfReader(SOURCE32);
        copy.addPage(copy.getImportedPage(reader, 5, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, 22, "Nums");
        verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(1)), 61, "Nums of page 1");
        reader.close();
        compareResults("1");
    }

    @Test
    public void copyTaggedPdf2() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("2");
        PdfReader reader = new PdfReader(SOURCE16);
        copy.addPage(copy.getImportedPage(reader, 2, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, 2, "Nums");
        verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(1)), 7, "Nums of page 1");
        reader.close();
        compareResults("2");
    }

    @Test
    public void copyTaggedPdf3() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("3");
        PdfReader reader = new PdfReader(SOURCE10);
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {16, 87, 128, 74, 74, 74, 26};
        for (int i = 0; i < n; ++i)
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1));

        reader.close();
        compareResults("3");
    }

    @Test
    public void copyTaggedPdf4() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("4");
        PdfReader reader = new PdfReader(SOURCE10);
        int n = reader.getNumberOfPages();
        for (int i = n; i > 0; --i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 7, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {26, 74, 74, 74, 128, 87, 16};
        for (int i = 0; i < n; ++i)
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1));

        reader.close();
        compareResults("4");
    }

    @Test
    public void copyTaggedPdf5() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("5");
        PdfReader reader = new PdfReader(SOURCE10);
        int n = 3;
        copy.addPage(copy.getImportedPage(reader, 1, true));
        copy.addPage(copy.getImportedPage(reader, 3, true));
        copy.addPage(copy.getImportedPage(reader, 7, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {16, 128, 26};
        for (int i = 0; i < n; ++i)
            //nums[i] = ((PdfArray)PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1))).size();
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1));

        reader.close();
        compareResults("5");
    }

    @Test
    public void copyTaggedPdf6() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("6");
        PdfReader reader = new PdfReader(SOURCE11);
        int n = 12;
        copy.addPage(copy.getImportedPage(reader, 1, true));
        copy.addPage(copy.getImportedPage(reader, 25, true));
        copy.addPage(copy.getImportedPage(reader, 7, true));
        copy.addPage(copy.getImportedPage(reader, 48, true));
        copy.addPage(copy.getImportedPage(reader, 50, true));
        copy.addPage(copy.getImportedPage(reader, 2, true));
        copy.addPage(copy.getImportedPage(reader, 8, true));
        copy.addPage(copy.getImportedPage(reader, 90, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 6, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {5, 0, 33, 12, 0, 48, 35, 182, 0, 0, 17, 37};
        for (int i = 0; i < n; ++i)
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1), true);

        PdfDictionary ClassMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.CLASSMAP)), NO_CLASS_MAP);
        if (ClassMap.size() != 27) Assert.fail("ClassMap incorrect");
        String[] CMs = new String[]{"CM118", "CM117", "CM133", "CM47", "CM46", "CM114", "CM43", "CM110", "CM21", "CM22", "CM26", "CM27", "CM145", "CM128", "CM29", "CM56", "CM1", "CM2", "CM72", "CM16", "CM34", "CM17", "CM14", "CM15", "CM119", "CM12", "CM13"};
        for (int i = 0; i < CMs.length; ++i)
            verifyIsDictionary(PdfStructTreeController.getDirectObject(ClassMap.get(new PdfName(CMs[i]))), "ClassMap.does.not.contain.\""+CMs[i]+"\"");

        PdfDictionary RoleMap = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.ROLEMAP)), NO_ROLE_MAP);
        if (!PdfName.SPAN.equals(RoleMap.get(new PdfName("ParagraphSpan"))))
            throw new BadPdfFormatException("RoleMap does not contain \"ParagraphSpan\".");
        //if (reader.eofPos != 249068) Assert.fail("Invalid size of pdf.");

        reader.close();
        compareResults("6");
    }

    @Test
    public void copyTaggedPdf7() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("7");
        PdfReader reader = new PdfReader(SOURCE16);
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; ++i){
            copy.addPage(copy.getImportedPage(reader, i, true));
            copy.addPage(copy.getImportedPage(reader, i, true));
        }
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        n *= 4;
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 5, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {48, 48, 7, 7, 48, 7, 48, 7};
        for (int i = 0; i < n; ++i)
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1));

        reader.close();
        compareResults("7");
    }

    @Test
    public void copyTaggedPdf8() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("8");
        PdfReader reader = new PdfReader(SOURCE42);
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; ++i){
            copy.addPage(copy.getImportedPage(reader, i, true));
            copy.addPage(copy.getImportedPage(reader, i, true));
        }
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        for (int i = 1; i <= n; ++i)
            copy.addPage(copy.getImportedPage(reader, i, true));
        n = 52;
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 6, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
//        int[] nums = new int[] {42, 42, 11, 11, 13, 13, 42, 11, 13, 42, 11, 13};
//        for (int i = 0; i < n; ++i)
//            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1));

        reader.close();
        compareResults("8");
    }

    @Test
    public void copyTaggedPdf9() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("9");
        PdfReader reader4 = new PdfReader(SOURCE4);
        PdfReader reader10 = new PdfReader(SOURCE10);
        PdfReader reader32 = new PdfReader(SOURCE32);
        int n = 40;
        copy.addPage(copy.getImportedPage(reader4, 1, true));
        copy.addPage(copy.getImportedPage(reader10, 2, true));
        copy.addPage(copy.getImportedPage(reader10, 3, true));
        copy.addPage(copy.getImportedPage(reader10, 7, true));
        copy.addPage(copy.getImportedPage(reader32, 50, true));
        copy.addPage(copy.getImportedPage(reader32, 55, true));
        copy.addPage(copy.getImportedPage(reader4, 1, true));
        copy.addPage(copy.getImportedPage(reader32, 50, true));
        copy.addPage(copy.getImportedPage(reader32, 55, true));
        copy.addPage(copy.getImportedPage(reader32, 56, true));
        copy.addPage(copy.getImportedPage(reader32, 60, true));
        copy.addPage(copy.getImportedPage(reader10, 3, true));
        copy.addPage(copy.getImportedPage(reader10, 4, true));
        copy.addPage(copy.getImportedPage(reader10, 1, true));
        copy.addPage(copy.getImportedPage(reader32, 1, true));
        copy.addPage(copy.getImportedPage(reader32, 15, true));
        copy.addPage(copy.getImportedPage(reader32, 20, true));
        copy.addPage(copy.getImportedPage(reader32, 5, true));
        copy.addPage(copy.getImportedPage(reader4, 1, true));
        copy.addPage(copy.getImportedPage(reader10, 7, true));

        document.close();
        reader4.close();
        reader10.close();
        reader32.close();

        PdfReader reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 11, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, n*2, "Nums");
        int[] nums = new int[] {7, 87, 128, 26, 135, 0, 0, 83, 7, 135, 0, 0, 0, 0, 0, 0, 83, 116, 26, 128, 74, 16, 12, 0, 0, 38, 54, 61, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 26};
        for (int i = 0; i < n; ++i)
//            nums[i] = ((PdfArray)PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1))).size();
            verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(i*2+1)), nums[i], "Nums of page "+(i+1), true);
        reader.close();
        compareResults("9");
    }

    @Test
    public void copyTaggedPdf10() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        //source17: StructTreeRoot has no kids - incorrect syntax of tags - try to fix in result pdf
        initializeDocument("10");
        PdfReader reader = new PdfReader(SOURCE17);
        copy.addPage(copy.getImportedPage(reader, 2, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, 2, "Nums");
        verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(1)), 7, "Nums of page 1");
        reader.close();
        compareResults("10");
    }

    @Test(expected = BadPdfFormatException.class)
    public void copyTaggedPdf11() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        //source51: invalid nums - references to PdfDictionary, all pages has the same "NumDictionary"
        // 58 0 obj
        // <</Nums[0 2 0 R 1 2 0 R 2 2 0 R 3 2 0 R 4 2 0 R 5 2 0 R 6 2 0 R]>>
        // endobj
        //where 2 0 R is StructElement of Document
        initializeDocument("11");
        PdfReader reader = new PdfReader(SOURCE51);
        copy.addPage(copy.getImportedPage(reader, 2, true));
        reader.close();
    }

    @Test(expected = BadPdfFormatException.class)
    public void copyTaggedPdf12() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        //source52: Nums array is empty:
        // 58 0 obj
        // <</Nums[                                                       ]>>
        // endobj
        initializeDocument("12");
        PdfReader reader = new PdfReader(SOURCE52);
        copy.addPage(copy.getImportedPage(reader, 2, true));
        reader.close();
    }

    @Test(expected = BadPdfFormatException.class)
    public void copyTaggedPdf13() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        //source53: StructTreeRoot doesn't have kids and Nums is empty
        initializeDocument("13");
        PdfReader reader = new PdfReader(SOURCE53);
        copy.addPage(copy.getImportedPage(reader, 2, true));
        reader.close();
    }

    @Test
    public void copyTaggedPdf14() throws IOException, DocumentException {
        initializeDocument("14");
        PdfReader reader = new PdfReader(SOURCE11);

        copy.addPage(copy.getImportedPage(reader, 5, true));
        document.close();
        reader.close();

        reader = new PdfReader(output);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        verifyArraySize(structTreeRoot.get(PdfName.K), 1, "Invalid count of kids in StructTreeRoot");
        PdfObject obj = PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE));
        verifyIsDictionary(obj, NO_PARENT_TREE);
        PdfArray array = ((PdfDictionary)obj).getAsArray(PdfName.NUMS);
        verifyArraySize(array, 8, "Nums");
        verifyArraySize(PdfStructTreeController.getDirectObject(array.getPdfObject(1)), 20, "Nums of page 1");
        reader.close();
    }

    @Test
    public void copyTaggedPdf15() throws IOException, DocumentException {
        initializeDocument("15");
        copy.setMergeFields();

        PdfReader reader1 = new PdfReader(SOURCE61);
        PdfReader reader2 = new PdfReader(SOURCE62);
        copy.addDocument(reader1);
        copy.addDocument(reader2);
        document.close();
        reader1.close();
        reader2.close();

        PdfReader reader = new PdfReader(output);
        PdfDictionary catalog = reader.getCatalog();
        PdfDictionary structTreeRoot = catalog.getAsDict(PdfName.STRUCTTREEROOT);
        PdfDictionary structParent = structTreeRoot.getAsDict(PdfName.PARENTTREE);
        PdfArray nums = structParent.getAsArray(PdfName.NUMS);
        PdfDictionary acroForm = catalog.getAsDict(PdfName.ACROFORM);
        PdfDictionary fonts = acroForm.getAsDict(PdfName.DR).getAsDict(PdfName.FONT);

        Assert.assertEquals(new PdfName("Helvetica"), fonts.getAsDict(new PdfName("Helv")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("ZapfDingbats"), fonts.getAsDict(new PdfName("ZaDb")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("ArialMT"), fonts.getAsDict(new PdfName("ArialMT")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("CourierStd"), fonts.getAsDict(new PdfName("CourierStd")).getAsName(PdfName.BASEFONT));

        Assert.assertEquals(1, nums.getAsNumber(2).intValue());
        Assert.assertEquals(4, nums.getAsNumber(8).intValue());

        Assert.assertEquals(nums.size(), 12);
        Assert.assertEquals(acroForm.getAsArray(PdfName.FIELDS).size(), 3);

        reader.close();
    }

    @Test
    @Ignore
    public void copyTaggedPdf16() throws IOException, DocumentException {
        initializeDocument("16");
        copy.setMergeFields();

        PdfReader reader1 = new PdfReader(SOURCE63);
        PdfReader reader2 = new PdfReader(SOURCE64);
        copy.addDocument(reader1);
        copy.addDocument(reader2);
        document.close();
        reader1.close();
        reader2.close();

        PdfReader reader = new PdfReader(output);
        PdfDictionary catalog = reader.getCatalog();
        PdfDictionary acroForm = catalog.getAsDict(PdfName.ACROFORM);
        PdfDictionary fonts = acroForm.getAsDict(PdfName.DR).getAsDict(PdfName.FONT);

        Assert.assertEquals(new PdfName("Helvetica"), fonts.getAsDict(new PdfName("Helv")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("Courier"), fonts.getAsDict(new PdfName("Cour")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("Times-Bold"), fonts.getAsDict(new PdfName("TiBo")).getAsName(PdfName.BASEFONT));
        Assert.assertEquals(new PdfName("ZapfDingbats"), fonts.getAsDict(new PdfName("ZaDb")).getAsName(PdfName.BASEFONT));

        reader.close();
    }

    @Test
    public void copyTaggedPdf17() throws IOException, DocumentException {
        initializeDocument("17");

        PdfReader reader1 = new PdfReader(SOURCE10);
        PdfReader reader2 = new PdfReader(SOURCE19);
        copy.addPage(copy.getImportedPage(reader1, 1, true));
        copy.addPage(copy.getImportedPage(reader2, 1, false));
        document.close();
        reader1.close();
        reader2.close();

        PdfReader reader = new PdfReader(output);
        Assert.assertEquals(2, reader.getNumberOfPages());
        Assert.assertNotNull(reader.getPageN(1));
        Assert.assertNotNull(reader.getPageN(2));
        reader.close();
    }

    @Test
    public void copyTaggedPdf18() throws IOException, DocumentException {
        initializeDocument("18");

        copy.setMergeFields();

        PdfReader reader1 = new PdfReader(SOURCE10);
        PdfReader reader2 = new PdfReader(SOURCE19);
        copy.addDocument(reader1);
        copy.addDocument(reader2);
        document.close();

        PdfReader reader = new PdfReader(output);
        Assert.assertEquals(reader1.getNumberOfPages() + reader2.getNumberOfPages(), reader.getNumberOfPages());
        for (int i = 1; i <= reader.getNumberOfPages(); i++) {
            Assert.assertNotNull(reader.getPageN(i));
        }
        reader.close();

        reader1.close();
        reader2.close();
    }

    @Test
    public void copyTaggedPdf19() throws IOException, DocumentException {
        initializeDocument("19");

        PdfReader reader = new PdfReader(SOURCE18);
        copy.addPage(copy.getImportedPage(reader, 1, true));

        document.close();
        reader.close();

        reader = new PdfReader(output);

        PdfDictionary page1 = reader.getPageN(1);
        PdfDictionary t1_0 = page1.getAsDict(PdfName.RESOURCES).getAsDict(PdfName.XOBJECT).getAsStream(new PdfName("Fm0")).getAsDict(PdfName.RESOURCES).getAsDict(PdfName.FONT).getAsDict(new PdfName("T1_0"));
        Assert.assertNotNull(t1_0);

        reader.close();
    }

    @Test
    public void copyTaggedPdf20() throws IOException, DocumentException, ParserConfigurationException, SAXException {
        initializeDocument("20");
        copy.setMergeFields();

        PdfReader reader2 = new PdfReader(SOURCE72);
        copy.addDocument(reader2, java.util.Arrays.asList(1,3,5));
        document.close();
        reader2.close();

        PdfReader reader = new PdfReader(output);
        PdfDictionary catalog = reader.getCatalog();
        PdfDictionary acroForm = catalog.getAsDict(PdfName.ACROFORM);
        PdfArray acroFields = acroForm.getAsArray(PdfName.FIELDS);
        junit.framework.Assert.assertTrue(acroFields.size() == 4);

        reader.close();

        compareResults("20");
    }

    @Test
    public void copyTaggedPdf21() throws IOException, DocumentException {
        initializeDocument("21");
        copy.setMergeFields();

        PdfReader reader1 = new PdfReader(SOURCE73);
        copy.addDocument(reader1);
        document.close();
        reader1.close();

        PdfReader reader = new PdfReader(output);
        PdfDictionary page = reader.getPageN(1);
        PdfDictionary resources = page.getAsDict(PdfName.RESOURCES);
        PdfDictionary xObject = resources.getAsDict(PdfName.XOBJECT);
        PdfStream img = xObject.getAsStream(new PdfName("Im0"));
        PdfArray decodeParms = img.getAsArray(PdfName.DECODEPARMS);
        junit.framework.Assert.assertEquals(2, decodeParms.size());
        PdfObject iref = decodeParms.getPdfObject(0);
        junit.framework.Assert.assertTrue(iref instanceof PdfIndirectReference);
        junit.framework.Assert.assertTrue(reader.getPdfObjectRelease(((PdfIndirectReference)iref).getNumber()) instanceof PdfNull);

        reader.close();
    }

    //Check for crash in case of structure element contains no "Pg" keys.
    @Test
    public void copyTaggedPdf22() throws IOException, DocumentException {
        initializeDocument("22");

        PdfReader reader = new PdfReader(DEV_805);

        int n = reader.getNumberOfPages();
        for (int page = 0; page < n; ) {
            copy.addPage(copy.getImportedPage(reader, ++page,true));
        }

        copy.freeReader(reader);
        document.close();
        reader.close();
    }
    
    @Test
    public void copyTaggedPdf23() throws IOException, DocumentException {
        PdfReader reader = new PdfReader(SOURCE81);
        PdfDictionary structTreeRoot = verifyIsDictionary(reader.getCatalog().getDirectObject(PdfName.STRUCTTREEROOT), NO_STRUCT_TREE_ROOT);
        PdfDictionary idTree = verifyIsDictionary(PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.IDTREE)), NO_ID_TREE);
        Assert.assertTrue(EMPTY_ID_TREE, idTree.hashMap.size() > 0);
    }

    @Test(expected = BadPdfFormatException.class)
    public void copyTaggedPdf24() throws IOException, DocumentException {
        initializeDocument("24");
        PdfReader reader1 = new PdfReader(SOURCE24);
        copy.addPage(copy.getImportedPage(reader1, 17, true));
        document.close();
        reader1.close();
    }

    @Test(timeout = 60000)
    public void copyTaggedPdf25() throws IOException, DocumentException, InterruptedException {
        initializeDocument("25");
        PdfReader reader = new PdfReader(SOURCE25);
        PdfReader reader1 = new PdfReader(SOURCE25_1);

        copy.addDocument(reader);
        copy.freeReader(reader);

        copy.addDocument(reader1);
        copy.freeReader(reader1);

        copy.getStructureTreeRoot();
        copy.close();

        document.close();
        reader.close();
        reader1.close();

        CompareTool compareTool = new CompareTool();
        String errorMessage = compareTool.compareByContent(output, CMP25, OUTPATH, "diff_");
        if (errorMessage != null) {
            Assert.fail(errorMessage);
        }
    }

    @Test
    public void copyFields1Test() throws DocumentException, IOException, InterruptedException, ParserConfigurationException, SAXException {
        initializeDocument("CopyFields1");
        copy.setMergeFields();

        PdfReader readerMain = new PdfReader(SOURCE_CF_14);
        PdfReader secondSourceReader = new PdfReader(SOURCE_CF_15);
        //PdfReader thirdReader = new PdfReader("./src/test/resources/com/itextpdf/text/pdf/PdfCopyTest/appearances1.pdf");

        copy.addDocument(readerMain);
        copy.copyDocumentFields(secondSourceReader);
        //copy.addDocument(thirdReader);

        copy.close();
        readerMain.close();
        secondSourceReader.close();
        //thirdReader.close();
        /*CompareTool compareTool = new CompareTool("./target/com/itextpdf/test/pdf/PdfCopyTest/copyFields.pdf", "./src/test/resources/com/itextpdf/text/pdf/PdfCopyTest/cmp_copyFields.pdf");
        String errorMessage = compareTool.compareByContent("./target/com/itextpdf/test/pdf/PdfCopyTest/", "diff");
        if (errorMessage != null) {
            junit.framework.Assert.fail(errorMessage);
        }*/

        compareResults("CopyFields1");
    }

    @Test
    public void copyFields2Test() throws DocumentException, IOException, InterruptedException, ParserConfigurationException, SAXException {
        initializeDocument("CopyFields2");
        copy.setMergeFields();

        PdfReader readerMain = new PdfReader(SOURCE_CF_11);
        PdfReader secondSourceReader = new PdfReader(SOURCE_CF_14);

        copy.addDocument(readerMain);
        copy.copyDocumentFields(secondSourceReader);

        copy.close();
        readerMain.close();
        secondSourceReader.close();

        compareResults("CopyFields2");
    }

    @Test
    public void copyFields3Test() throws DocumentException, IOException, InterruptedException, ParserConfigurationException, SAXException {
        initializeDocument("CopyFields3");
        copy.setMergeFields();

        PdfReader readerMain = new PdfReader(SOURCE_CF_12);
        PdfReader secondSourceReader = new PdfReader(SOURCE_CF_11);

        copy.addDocument(readerMain);
        copy.copyDocumentFields(secondSourceReader);

        copy.close();
        readerMain.close();
        secondSourceReader.close();

        compareResults("CopyFields3");
    }

    @Test
    public void copyFields4Test() throws Exception {
        initializeDocument("CopyFields4");
        copy.setMergeFields();

        PdfReader readerMain = new PdfReader(SOURCE_CF_13);
        PdfReader secondSourceReader = new PdfReader(SOURCE_CF_16);

        copy.addDocument(readerMain);
        copy.copyDocumentFields(secondSourceReader);

        copy.close();
        readerMain.close();
        secondSourceReader.close();

        compareResults("CopyFields4");
    }

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

    private PdfArray verifyArraySize(PdfObject obj, Integer size, String message) {
        return verifyArraySize(obj, size, message, false);
    }

    private PdfArray verifyArraySize(PdfObject obj, Integer size, String message, boolean ignoreIfNotArray) {
        if (!(obj instanceof PdfArray)) {
            if (ignoreIfNotArray)
                return null;
            else
                Assert.fail(message + " is not array");
        }
        if (((PdfArray)obj).size() != size)
            Assert.fail(message+" has wrong size");
        return (PdfArray)obj;
    }

    private PdfDictionary verifyIsDictionary(PdfObject obj, String message) {
        if (obj == null || !obj.isDictionary())
            Assert.fail(message);
        return (PdfDictionary)obj;
    }

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

    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);
    }

    private int getCommonNumsCount(String filename) throws IOException {
        PdfReader reader = new PdfReader(filename);
        PdfDictionary structTreeRoot = reader.getCatalog().getAsDict(PdfName.STRUCTTREEROOT);
        PdfArray kids = ((PdfDictionary)PdfStructTreeController.getDirectObject(structTreeRoot.get(PdfName.PARENTTREE))).getAsArray(PdfName.KIDS);
        int cnt = 0;
        for (int i = 0; i < kids.size(); i++) {
            PdfArray nums = kids.getAsDict(i).getAsArray(PdfName.NUMS);
            cnt += nums.size();
        }
        reader.close();
        return cnt;
    }


    static class MyTaggedPdfReaderTool extends TaggedPdfReaderTool {

        @Override
        public void convertToXml(PdfReader reader, OutputStream os, String charset)
                throws IOException {
            this.reader = reader;
            OutputStreamWriter outs = new OutputStreamWriter(os, charset);
            out = new PrintWriter(outs);
            out.write("<root>");
            // get the StructTreeRoot from the root object
            PdfDictionary catalog = reader.getCatalog();
            PdfDictionary struct = catalog.getAsDict(PdfName.STRUCTTREEROOT);
            if (struct == null)
                throw new IOException(MessageLocalization.getComposedMessage("no.structtreeroot.found"));
            // Inspect the child or children of the StructTreeRoot
            inspectChild(struct.getDirectObject(PdfName.K));
            out.write("</root>");
            out.flush();
            out.close();
        }
    }
}
