IndirectPathItemTest.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.utils.objectpathitems;

import com.itextpdf.io.source.ByteArrayOutputStream;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfIndirectReference;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.test.ExtendedITextTest;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Tag;

@Tag("IntegrationTest")
public class IndirectPathItemTest extends ExtendedITextTest {

    private void init(PdfDocument pdfDocument) {
        pdfDocument.addNewPage();
        pdfDocument.addNewPage();
    }

    @Test
    public void getIndirectObjectsTest() {
        try (PdfDocument testCmp = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()));
                PdfDocument testOut = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()))) {
            init(testCmp);
            init(testOut);

            PdfIndirectReference cmpIndirect = testCmp.getFirstPage().getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect = testOut.getFirstPage().getPdfObject().getIndirectReference();

            IndirectPathItem indirectPathItem = new IndirectPathItem(cmpIndirect, outIndirect);

            Assertions.assertEquals(cmpIndirect, indirectPathItem.getCmpObject());
            Assertions.assertEquals(outIndirect, indirectPathItem.getOutObject());
        }
    }

    @Test
    public void equalsAndHashCodeTest() {
        try (PdfDocument testCmp = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()));
                PdfDocument testOut = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()))) {
            init(testCmp);
            init(testOut);
            PdfIndirectReference cmpIndirect = testCmp.getFirstPage().getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect = testOut.getFirstPage().getPdfObject().getIndirectReference();

            IndirectPathItem indirectPathItem1 = new IndirectPathItem(cmpIndirect, outIndirect);
            IndirectPathItem indirectPathItem2 = new IndirectPathItem(cmpIndirect, outIndirect);

            boolean result = indirectPathItem1.equals(indirectPathItem2);
            Assertions.assertTrue(result);
            Assertions.assertEquals(indirectPathItem1.hashCode(), indirectPathItem2.hashCode());
        }
    }

    @Test
    public void notEqualsCmpObjAndHashCodeTest() {
        try (PdfDocument testCmp = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()));
                PdfDocument testOut = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()))) {
            init(testCmp);
            init(testOut);
            PdfIndirectReference cmpIndirect1 = testCmp.getFirstPage().getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect1 = testOut.getFirstPage().getPdfObject().getIndirectReference();
            IndirectPathItem indirectPathItem1 = new IndirectPathItem(cmpIndirect1, outIndirect1);

            PdfIndirectReference cmpIndirect2 = testCmp.getPage(2).getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect2 = testOut.getFirstPage().getPdfObject().getIndirectReference();
            IndirectPathItem indirectPathItem2 = new IndirectPathItem(cmpIndirect2, outIndirect2);

            boolean result = indirectPathItem1.equals(indirectPathItem2);
            Assertions.assertFalse(result);
            Assertions.assertNotEquals(indirectPathItem1.hashCode(), indirectPathItem2.hashCode());
        }
    }

    @Test
    public void notEqualsOutObjAndHashCodeTest() {
        try (PdfDocument testCmp = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()));
                PdfDocument testOut = new PdfDocument(new PdfWriter(new ByteArrayOutputStream()))) {
            init(testCmp);
            init(testOut);
            PdfIndirectReference cmpIndirect1 = testCmp.getFirstPage().getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect1 = testOut.getFirstPage().getPdfObject().getIndirectReference();
            IndirectPathItem indirectPathItem1 = new IndirectPathItem(cmpIndirect1, outIndirect1);

            PdfIndirectReference cmpIndirect2 = testCmp.getFirstPage().getPdfObject().getIndirectReference();
            PdfIndirectReference outIndirect2 = testOut.getPage(2).getPdfObject().getIndirectReference();
            IndirectPathItem indirectPathItem2 = new IndirectPathItem(cmpIndirect2, outIndirect2);

            boolean result = indirectPathItem1.equals(indirectPathItem2);
            Assertions.assertFalse(result);
            Assertions.assertNotEquals(indirectPathItem1.hashCode(), indirectPathItem2.hashCode());
        }
    }
}