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- /*
- * 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 java.io.ByteArrayOutputStream;
- import java.io.IOException;
-
- import org.junit.Before;
- import org.junit.Test;
-
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertNull;
- import static org.junit.Assert.fail;
-
- import org.apache.commons.io.output.CountingOutputStream;
-
- /**
- * Test case for {@link PDFDictionary}.
- */
- public class PDFDictionaryTestCase extends PDFObjectTestCase {
- /** The test subject */
- private PDFDictionary pdfDictUnderTest;
- private PDFArray testArray;
- private PDFNumber testNumber;
- /** The order in which these objects are put into the dictionary MUST be maintained. */
- private String expectedOutput = "<<\n"
- + " /String (TestValue)\n"
- + " /int 10\n"
- + " /double 3.1\n"
- + " /array [1 (two) 20]\n"
- + " /number 20\n"
- + " /null null\n"
- + ">>";
-
- @Before
- public void setUp() {
- // A PDFNumber for testing, this DOES have a parent
- testNumber = new PDFNumber();
- testNumber.setParent(parent);
- testNumber.setNumber(20);
- // An array for testing, this DOES NOT have a parent
- testArray = new PDFArray();
- testArray.add(1);
- testArray.add("two");
- testArray.add(testNumber);
- // Populating the dictionary with a parent, document and the various objects
- pdfDictUnderTest = new PDFDictionary(parent);
- pdfDictUnderTest.setDocument(doc);
- pdfDictUnderTest.put("String", "TestValue");
- pdfDictUnderTest.put("int", 10);
- pdfDictUnderTest.put("double", 3.1);
- pdfDictUnderTest.put("array", testArray);
- pdfDictUnderTest.put("number", testNumber);
- // null is a valid PDF object
- pdfDictUnderTest.put("null", null);
- // test that the interface is maintained
- pdfObjectUnderTest = pdfDictUnderTest;
- }
-
- /**
- * Tests put() - tests that the object is put into the dictionary and it is handled if it is a
- * {@link PDFObject}.
- */
- @Test
- public void testPut() {
- // The "put()" commands have already been done in setUp(), so just test them.
- assertEquals("TestValue", pdfDictUnderTest.get("String"));
- assertEquals(10, pdfDictUnderTest.get("int"));
- assertEquals(3.1, pdfDictUnderTest.get("double"));
- // With PDFObjects, if they DO NOT have a parent, the dict becomes their parent.
- assertEquals(testArray, pdfDictUnderTest.get("array"));
- assertEquals(pdfDictUnderTest, testArray.getParent());
- // With PDFObjects, if they DO have a parent, the dict DOES NOT change the parent object.
- assertEquals(testNumber, pdfDictUnderTest.get("number"));
- // Test it doesn't explode when we try to get a non-existent entry
- assertNull(pdfDictUnderTest.get("Not in dictionary"));
- // Tests that we can over-write objects
- pdfDictUnderTest.put("array", 10);
- assertEquals(10, pdfDictUnderTest.get("array"));
- // Test that nulls are handled appropriately
- assertNull(pdfDictUnderTest.get("null"));
- }
-
- /**
- * Tests get() - tests that objects can be properly retrieved from the dictionary.
- */
- @Test
- public void testGet() {
- // Tested fairly comprehensively in testPut().
- }
-
- /**
- * Tests writeDictionary() - tests that the dictionary is properly written to the output-stream.
- */
- @Test
- public void testWriteDictionary() {
- // Ensure that the objects stored in the dictionary are streamed in the correct format.
- ByteArrayOutputStream outStream = new ByteArrayOutputStream();
- CountingOutputStream cout = new CountingOutputStream(outStream);
- StringBuilder textBuffer = new StringBuilder();
- try {
- pdfDictUnderTest.writeDictionary(cout, textBuffer);
- PDFDocument.flushTextBuffer(textBuffer, cout);
- assertEquals(expectedOutput, outStream.toString());
- } catch (IOException e) {
- fail("IOException: " + e.getMessage());
- }
- }
-
- /**
- * Tests output() - test that this object can write itself to an output stream.
- * @throws IOException error caused by I/O
- */
- @Test
- public void testOutput() throws IOException {
- testOutputStreams(expectedOutput, pdfDictUnderTest);
- }
- }
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