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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2015/02/12 22:37:36 UTC

svn commit: r1659413 - in /pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation: ./ outline/ outline/PDDocumentOutlineTest.java outline/PDOutlineItemTest.java outline/PDOutlineNodeTest.java

Author: tilman
Date: Thu Feb 12 21:37:35 2015
New Revision: 1659413

URL: http://svn.apache.org/r1659413
Log:
PDFBOX-2677: add tests for outlines, by Andrea Vacondio

Added:
    pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/
    pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/
    pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java   (with props)
    pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java   (with props)
    pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNodeTest.java   (with props)

Added: pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java?rev=1659413&view=auto
==============================================================================
--- pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java (added)
+++ pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java Thu Feb 12 21:37:35 2015
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline;
+
+import junit.framework.TestCase;
+
+
+/**
+ * @author Andrea Vacondio
+ *
+ */
+public class PDDocumentOutlineTest extends TestCase
+{
+    /**
+     * see PDF 32000-1:2008 table 152
+     */
+    public void testOutlinesCountShouldNotBeNegative()
+    {
+        PDDocumentOutline outline = new PDDocumentOutline();
+        PDOutlineItem firstLevelChild = new PDOutlineItem();
+        outline.addLast(firstLevelChild);
+        PDOutlineItem secondLevelChild = new PDOutlineItem();
+        firstLevelChild.addLast(secondLevelChild);
+        assertEquals(0, secondLevelChild.getOpenCount());
+        assertEquals(-1, firstLevelChild.getOpenCount());
+        assertFalse("Outlines count cannot be " + outline.getOpenCount(),
+                outline.getOpenCount() < 0);
+    }
+
+    public void testOutlinesCount()
+    {
+        PDDocumentOutline outline = new PDDocumentOutline();
+        PDOutlineItem root = new PDOutlineItem();
+        outline.addLast(root);
+        assertEquals(1, outline.getOpenCount());
+        root.addLast(new PDOutlineItem());
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(1, outline.getOpenCount());
+        root.addLast(new PDOutlineItem());
+        assertEquals(-2, root.getOpenCount());
+        assertEquals(1, outline.getOpenCount());
+        root.openNode();
+        assertEquals(2, root.getOpenCount());
+        assertEquals(3, outline.getOpenCount());
+    }
+}

Propchange: pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDDocumentOutlineTest.java
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Added: pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java?rev=1659413&view=auto
==============================================================================
--- pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java (added)
+++ pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java Thu Feb 12 21:37:35 2015
@@ -0,0 +1,191 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @author Andrea Vacondio
+ *
+ */
+public class PDOutlineItemTest
+{
+    private PDOutlineItem root;
+    private PDOutlineItem first;
+    private PDOutlineItem second;
+    private PDOutlineItem newSibling;
+
+    @Before
+    public void setUp()
+    {
+        root = new PDOutlineItem();
+        first = new PDOutlineItem();
+        second = new PDOutlineItem();
+        root.addLast(first);
+        root.addLast(second);
+        newSibling = new PDOutlineItem();
+        newSibling.addLast(new PDOutlineItem());
+        newSibling.addLast(new PDOutlineItem());
+    }
+
+    @Test
+    public void insertSiblingAfter_OpenChildToOpenParent()
+    {
+        newSibling.openNode();
+        root.openNode();
+        assertEquals(2, root.getOpenCount());
+        first.insertSiblingAfter(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(5, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingBefore_OpenChildToOpenParent()
+    {
+        newSibling.openNode();
+        root.openNode();
+        assertEquals(2, root.getOpenCount());
+        second.insertSiblingBefore(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(5, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingAfter_OpenChildToClosedParent()
+    {
+        newSibling.openNode();
+        assertEquals(-2, root.getOpenCount());
+        first.insertSiblingAfter(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(-5, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingBefore_OpenChildToClosedParent()
+    {
+        newSibling.openNode();
+        assertEquals(-2, root.getOpenCount());
+        second.insertSiblingBefore(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(-5, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingAfter_ClosedChildToOpenParent()
+    {
+        root.openNode();
+        assertEquals(2, root.getOpenCount());
+        first.insertSiblingAfter(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(3, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingBefore_ClosedChildToOpenParent()
+    {
+        root.openNode();
+        assertEquals(2, root.getOpenCount());
+        second.insertSiblingBefore(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(3, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingAfter_ClosedChildToClosedParent()
+    {
+        assertEquals(-2, root.getOpenCount());
+        first.insertSiblingAfter(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(-3, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingBefore_ClosedChildToClosedParent()
+    {
+        assertEquals(-2, root.getOpenCount());
+        second.insertSiblingBefore(newSibling);
+        assertEquals(first.getNextSibling(), newSibling);
+        assertEquals(second.getPreviousSibling(), newSibling);
+        assertEquals(-3, root.getOpenCount());
+    }
+
+    @Test
+    public void insertSiblingTop()
+    {
+        assertEquals(root.getFirstChild(), first);
+        PDOutlineItem newSibling = new PDOutlineItem();
+        first.insertSiblingBefore(newSibling);
+        assertEquals(first.getPreviousSibling(), newSibling);
+        assertEquals(root.getFirstChild(), newSibling);
+    }
+
+    @Test
+    public void insertSiblingTopNoParent()
+    {
+        assertEquals(root.getFirstChild(), first);
+        PDOutlineItem newSibling = new PDOutlineItem();
+        root.insertSiblingBefore(newSibling);
+        assertEquals(root.getPreviousSibling(), newSibling);
+    }
+
+    @Test
+    public void insertSiblingBottom()
+    {
+        assertEquals(root.getLastChild(), second);
+        PDOutlineItem newSibling = new PDOutlineItem();
+        second.insertSiblingAfter(newSibling);
+        assertEquals(second.getNextSibling(), newSibling);
+        assertEquals(root.getLastChild(), newSibling);
+    }
+
+    @Test
+    public void insertSiblingBottomNoParent()
+    {
+        assertEquals(root.getLastChild(), second);
+        PDOutlineItem newSibling = new PDOutlineItem();
+        root.insertSiblingAfter(newSibling);
+        assertEquals(root.getNextSibling(), newSibling);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void cannotInsertSiblingBeforeAList()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.insertSiblingAfter(new PDOutlineItem());
+        child.insertSiblingAfter(new PDOutlineItem());
+        root.insertSiblingBefore(child);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void cannotInsertSiblingAfterAList()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.insertSiblingAfter(new PDOutlineItem());
+        child.insertSiblingAfter(new PDOutlineItem());
+        root.insertSiblingAfter(child);
+    }
+}

Propchange: pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineItemTest.java
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Added: pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNodeTest.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNodeTest.java?rev=1659413&view=auto
==============================================================================
--- pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNodeTest.java (added)
+++ pdfbox/trunk/pdfbox/src/test/java/org/apache/pdfbox/pdmodel/interactive/documentnavigation/outline/PDOutlineNodeTest.java Thu Feb 12 21:37:35 2015
@@ -0,0 +1,350 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.pdfbox.pdmodel.interactive.documentnavigation.outline;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * @author Andrea Vacondio
+ *
+ */
+public class PDOutlineNodeTest
+{
+    private PDOutlineItem root;
+
+    @Before
+    public void setUp()
+    {
+        root = new PDOutlineItem();
+    }
+
+    @Test
+    public void getParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        root.addLast(child);
+        PDDocumentOutline outline = new PDDocumentOutline();
+        outline.addLast(root);
+        assertNull(outline.getParent());
+        assertEquals(outline, root.getParent());
+        assertEquals(root, child.getParent());
+    }
+
+    @Test
+    public void nullLastChild()
+    {
+        assertNull(root.getLastChild());
+    }
+
+    @Test
+    public void nullFirstChild()
+    {
+        assertNull(root.getFirstChild());
+    }
+
+    @Test
+    public void openAlreadyOpenedRootNode()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        assertEquals(0, root.getOpenCount());
+        root.addLast(child);
+        root.openNode();
+        assertTrue(root.isNodeOpen());
+        assertEquals(1, root.getOpenCount());
+        root.openNode();
+        assertTrue(root.isNodeOpen());
+        assertEquals(1, root.getOpenCount());
+    }
+
+    @Test
+    public void closeAlreadyClosedRootNode()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        assertEquals(0, root.getOpenCount());
+        root.addLast(child);
+        root.openNode();
+        root.closeNode();
+        assertFalse(root.isNodeOpen());
+        assertEquals(-1, root.getOpenCount());
+        root.closeNode();
+        assertFalse(root.isNodeOpen());
+        assertEquals(-1, root.getOpenCount());
+    }
+
+    @Test
+    public void openLeaf()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        root.addLast(child);
+        child.openNode();
+        assertFalse(child.isNodeOpen());
+    }
+
+    @Test
+    public void nodeClosedByDefault()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        root.addLast(child);
+        assertFalse(root.isNodeOpen());
+        assertEquals(-1, root.getOpenCount());
+    }
+
+    @Test
+    public void closeNodeWithOpendParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        child.openNode();
+        root.addLast(child);
+        root.openNode();
+        assertEquals(3, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        child.closeNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+    }
+
+    @Test
+    public void closeNodeWithClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        child.openNode();
+        root.addLast(child);
+        assertEquals(-3, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        child.closeNode();
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+    }
+
+    @Test
+    public void openNodeWithOpendParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        root.addLast(child);
+        root.openNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        child.openNode();
+        assertEquals(3, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+    }
+
+    @Test
+    public void openNodeWithClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        root.addLast(child);
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        child.openNode();
+        assertEquals(-3, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+    }
+
+    @Test
+    public void addLastSingleChild()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        root.addLast(child);
+        assertEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+    }
+
+    @Test
+    public void addFirstSingleChild()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        root.addFirst(child);
+        assertEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+    }
+
+    @Test
+    public void addLastOpenChildToOpenParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        child.openNode();
+        root.addLast(new PDOutlineItem());
+        root.openNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        root.addLast(child);
+        assertNotEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+        assertEquals(4, root.getOpenCount());
+    }
+
+    @Test
+    public void addFirstOpenChildToOpenParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addFirst(new PDOutlineItem());
+        child.addFirst(new PDOutlineItem());
+        child.openNode();
+        root.addFirst(new PDOutlineItem());
+        root.openNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        root.addFirst(child);
+        assertNotEquals(child, root.getLastChild());
+        assertEquals(child, root.getFirstChild());
+        assertEquals(4, root.getOpenCount());
+    }
+
+    @Test
+    public void addLastOpenChildToClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        child.openNode();
+        root.addLast(new PDOutlineItem());
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        root.addLast(child);
+        assertNotEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+        assertEquals(-4, root.getOpenCount());
+    }
+
+    @Test
+    public void addFirstOpenChildToClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addFirst(new PDOutlineItem());
+        child.addFirst(new PDOutlineItem());
+        child.openNode();
+        root.addFirst(new PDOutlineItem());
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(2, child.getOpenCount());
+        root.addFirst(child);
+        assertNotEquals(child, root.getLastChild());
+        assertEquals(child, root.getFirstChild());
+        assertEquals(-4, root.getOpenCount());
+    }
+
+    @Test
+    public void addLastClosedChildToOpenParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        root.addLast(new PDOutlineItem());
+        root.openNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        root.addLast(child);
+        assertNotEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+        assertEquals(2, root.getOpenCount());
+    }
+
+    @Test
+    public void addFirstClosedChildToOpenParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addFirst(new PDOutlineItem());
+        child.addFirst(new PDOutlineItem());
+        root.addFirst(new PDOutlineItem());
+        root.openNode();
+        assertEquals(1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        root.addFirst(child);
+        assertNotEquals(child, root.getLastChild());
+        assertEquals(child, root.getFirstChild());
+        assertEquals(2, root.getOpenCount());
+    }
+
+    @Test
+    public void addLastClosedChildToClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addLast(new PDOutlineItem());
+        child.addLast(new PDOutlineItem());
+        root.addLast(new PDOutlineItem());
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        root.addLast(child);
+        assertNotEquals(child, root.getFirstChild());
+        assertEquals(child, root.getLastChild());
+        assertEquals(-2, root.getOpenCount());
+    }
+
+    @Test
+    public void addFirstClosedChildToClosedParent()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.addFirst(new PDOutlineItem());
+        child.addFirst(new PDOutlineItem());
+        root.addFirst(new PDOutlineItem());
+        assertEquals(-1, root.getOpenCount());
+        assertEquals(-2, child.getOpenCount());
+        root.addFirst(child);
+        assertNotEquals(child, root.getLastChild());
+        assertEquals(child, root.getFirstChild());
+        assertEquals(-2, root.getOpenCount());
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void cannotAddLastAList()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.insertSiblingAfter(new PDOutlineItem());
+        child.insertSiblingAfter(new PDOutlineItem());
+        root.addLast(child);
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void cannotAddFirstAList()
+    {
+        PDOutlineItem child = new PDOutlineItem();
+        child.insertSiblingAfter(new PDOutlineItem());
+        child.insertSiblingAfter(new PDOutlineItem());
+        root.addFirst(child);
+    }
+
+    @Test
+    public void equalsNode()
+    {
+        root.addFirst(new PDOutlineItem());
+        assertEquals(root.getFirstChild(), root.getLastChild());
+    }
+
+    @Test
+    public void openNodeAndAppend()
+    {
+        // TODO
+    }
+
+}

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