JxtNodeTest.java :  » XML » owasp-jxt » org » owasp » jxt » Java Open Source

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package org.owasp.jxt;

import org.junit.Test;

import static org.junit.Assert.*;

/**
 * JxtNodeTest
 *
 * @author Jeffrey Ichnowski
 * @version $Revision: 8 $
 */
public class JxtNodeTest {

    static class TestNode extends JxtNode {
        String _name;
        TestNode(String name) {
            super(name);
            _name = name;
        }
        public String toString() {
            return _name;
        }
    }

    @Test
    public void testAppendChild() {
        TestNode parent = new TestNode("parent");
        assertTrue(parent.getFirstChild() == null);
        assertTrue(parent.getLastChild() == null);

        TestNode first = new TestNode("first");

        parent.appendChild(first);
        assertEquals(first, parent.getFirstChild());
        assertEquals(first, parent.getLastChild());

        TestNode second = new TestNode("second");

        parent.appendChild(second);
        assertEquals(first, parent.getFirstChild());
        assertEquals(second, parent.getLastChild());

        assertEquals(first, second.getPreviousSibling());
        assertEquals(second, first.getNextSibling());

        TestNode third = new TestNode("third");

        parent.appendChild(third);
        assertEquals(first, parent.getFirstChild());
        assertEquals(third, parent.getLastChild());

        assertEquals(second, third.getPreviousSibling());
        assertEquals(third, second.getNextSibling());

        assertEquals(parent, third.getParent());
    }
} // JxtNodeTest