| /* |
| * 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. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.pdf; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.mock; |
| |
| /** |
| * Tests that the nums array in the ParentTree dictionary is correctly being split into |
| * separate arrays if the elements number exceeds the set limit. |
| */ |
| public class PDFParentTreeTestCase { |
| |
| private PDFParentTree parentTree; |
| |
| @Before |
| public void initializeStructureTree() { |
| parentTree = new PDFParentTree(); |
| PDFDocument pdfDocument = new PDFDocument("test"); |
| pdfDocument.makeStructTreeRoot(parentTree); |
| } |
| |
| /** |
| * Adds less structured items than the imposed limit which should result |
| * in only one nums array being created. |
| * @throws Exception |
| */ |
| @Test |
| public void testNoSplit() throws Exception { |
| assertEquals(getArrayNumber(45), 1); |
| } |
| |
| /** |
| * Adds more than the imposed array limit to test that it splits the |
| * nums array into two objects. |
| * @throws Exception |
| */ |
| @Test |
| public void testSingleSplit() throws Exception { |
| assertEquals(getArrayNumber(70), 2); |
| } |
| |
| /** |
| * Adds items to the nums array to cause and test that multiple splits occur |
| * @throws Exception |
| */ |
| @Test |
| public void testMultipleSplit() throws Exception { |
| assertEquals(getArrayNumber(165), 4); |
| } |
| |
| /** |
| * Ensures that items added out of order get added to the correct nums array |
| * @throws Exception |
| */ |
| @Test |
| public void testOutOfOrderSplit() throws Exception { |
| PDFStructElem structElem = mock(PDFStructElem.class); |
| for (int num = 50; num < 53; num++) { |
| parentTree.addToNums(num, structElem); |
| } |
| assertEquals(getArrayNumber(50), 2); |
| PDFNumberTreeNode treeNode = (PDFNumberTreeNode) parentTree.getKids().get(0); |
| for (int num = 0; num < 50; num++) { |
| assertTrue(treeNode.getNums().map.containsKey(num)); |
| } |
| treeNode = (PDFNumberTreeNode) parentTree.getKids().get(1); |
| for (int num = 50; num < 53; num++) { |
| assertTrue(treeNode.getNums().map.containsKey(num)); |
| } |
| } |
| |
| /** |
| * Gets the number of arrays created for a given number of elements |
| * @param elementNumber The number of elements to be added to the nums array |
| * @return Returns the number of array objects |
| * @throws Exception |
| */ |
| private int getArrayNumber(int elementNumber) throws Exception { |
| PDFStructElem structElem = mock(PDFStructElem.class); |
| for (int structParent = 0; structParent < elementNumber; structParent++) { |
| parentTree.addToNums(structParent, structElem); |
| } |
| return parentTree.getKids().length(); |
| } |
| } |