PdfObjRefUnitTest.java

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2025 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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 <https://www.gnu.org/licenses/>.
 */
package com.itextpdf.kernel.pdf.tagging;

import com.itextpdf.kernel.pdf.*;
import com.itextpdf.test.ExtendedITextTest;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Tag;

@Tag("UnitTest")
public class PdfObjRefUnitTest extends ExtendedITextTest {

    @Test
    public void refObjAsStreamTest() {
       PdfDictionary ref = new PdfStream();
       ref.put(PdfName.Name, new PdfString("reference"));

       PdfDictionary obj = new PdfDictionary();
       obj.put(PdfName.Obj, ref);

       PdfObjRef objRef = new PdfObjRef(obj, new PdfStructElem(new PdfDictionary()));

       Assertions.assertTrue(objRef.getReferencedObject() instanceof PdfStream);
       Assertions.assertTrue(objRef.getReferencedObject().containsKey(PdfName.Name));
    }

    @Test
    public void refObjAsInvalidTypeTest() {
        PdfDictionary obj = new PdfDictionary();
        obj.put(PdfName.Obj, new PdfString("incorrect type"));

        PdfObjRef objRef = new PdfObjRef(obj, new PdfStructElem(new PdfDictionary()));

        Assertions.assertNull(objRef.getReferencedObject());
    }
}