/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 iText Group NV
 * Authors: Balder Van Camp, Emiel Ackermann, et al.
 *
 * 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.tool.xml.pipeline;

import junit.framework.Assert;

import org.junit.Before;
import org.junit.Test;

import com.itextpdf.text.Chunk;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.pipeline.html.StackKeeper;

/**
 * @author itextpdf.com
 *
 */
public class StackKeeperTest {

	private Chunk a;
	private Chunk b;
	private Chunk c;
	private StackKeeper sk;
	private Tag t;

	@Before
	public void setup() {
		t = new Tag("root");
		sk = new StackKeeper(t);
		a = new Chunk("a");
		sk.add(a);
		b = new Chunk("b");
		sk.add(b);
		c = new Chunk("c");
		sk.add(c);
	}

	@Test
	public void validateFirstAddedElementIsFirst() {
		Assert.assertEquals(a, sk.getElements().get(0));
	}

	@Test
	public void validateMiddleIsMiddle() {
		Assert.assertEquals(b, sk.getElements().get(1));
	}

	@Test
	public void validateLastIsLast() {
		Assert.assertEquals(c, sk.getElements().get(2));
	}
	@Test
	public void validateCount() {
		Assert.assertEquals(3, sk.getElements().size());
	}
	@Test
	public void validateTag() {
		Assert.assertEquals(t, sk.getTag());
	}
}