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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.fail;
-
- import org.apache.commons.io.output.CountingOutputStream;
-
- /**
- * Test class for {@link PDFName}.
- */
- public class PDFNameTestCase extends PDFObjectTestCase {
- private PDFName pdfName;
-
- /**
- * Sets up the local variables
- */
- @Before
- public void setUp() {
- pdfName = new PDFName("TestName");
- pdfName.setParent(parent);
- pdfName.setDocument(doc);
-
- pdfObjectUnderTest = pdfName;
- }
-
- /**
- * Tests escapeName() - tests that this method escapes the necessary characters.
- */
- @Test
- public void testEscapeName() {
- try {
- // Test for null, this is a programming error thus the NPE
- PDFName.escapeName(null);
- fail("NPE not thrown when null object given to escapeName()");
- } catch (NullPointerException e) {
- // PASS
- }
- // All names are prefixed by "/", check the PDF spec for further details.
- assertEquals("/Test", PDFName.escapeName("Test"));
- // Check that if the name is already prefixed with "/" it doens't do it twice
- assertEquals("/Test", PDFName.escapeName("/Test"));
- // Test with a space in the middle
- assertEquals("/Test#20test", PDFName.escapeName("Test test"));
- // Test that all chars apart from ASCII '!' --> '~' are escaped
- nonEscapedCharactersTests();
- escapedCharactersTests();
- }
-
- private void escapedCharactersTests() {
- for (char i = 0; i < '!'; i++) {
- String str = Integer.toHexString(i >>> 4 & 0x0f).toUpperCase();
- str += Integer.toHexString(i & 0x0f).toUpperCase();
- assertEquals("/#" + str, PDFName.escapeName(String.valueOf(i)));
- }
- for (char i = '~' + 1; i < 256; i++) {
- String str = Integer.toHexString(i >>> 4 & 0x0f).toUpperCase();
- str += Integer.toHexString(i & 0x0f).toUpperCase();
- assertEquals("/#" + str, PDFName.escapeName(String.valueOf(i)));
- }
- checkCharacterIsEscaped('#');
- checkCharacterIsEscaped('%');
- checkCharacterIsEscaped('(');
- checkCharacterIsEscaped(')');
- checkCharacterIsEscaped('<');
- checkCharacterIsEscaped('>');
- checkCharacterIsEscaped('[');
- checkCharacterIsEscaped(']');
- checkCharacterIsEscaped('>');
- }
-
- private void checkCharacterIsEscaped(char c) {
- String str = Integer.toHexString(c >>> 4 & 0x0f).toUpperCase();
- str += Integer.toHexString(c & 0x0f).toUpperCase();
- assertEquals("/#" + str, PDFName.escapeName(String.valueOf(c)));
- }
-
- private void nonEscapedCharactersTests() {
- charactersNotEscapedBetween('!', '"');
- charactersNotEscapedBetween('*', ';');
- charactersNotEscapedBetween('?', 'Z');
- charactersNotEscapedBetween('^', '~');
- }
-
- private void charactersNotEscapedBetween(char c1, char c2) {
- for (char i = c1; i <= c2; i++) {
- String str = String.valueOf(i);
- String expected = !str.equals("/") ? "/" + str : str;
- assertEquals(expected, PDFName.escapeName(str));
- }
- }
-
- /**
- * Tests toString() - this has been overridden to return the String that PDFName wraps.
- */
- @Test
- public void testToString() {
- // The escape characters have already been tested in testEscapeName() so this doesn't need
- // to be done twice.
- PDFName test1 = new PDFName("test1");
- assertEquals("/test1", test1.toString());
- PDFName test2 = new PDFName("another test");
- assertEquals("/another#20test", test2.toString());
- try {
- new PDFName(null);
- fail("NPE not thrown when null passed to constructor");
- } catch (NullPointerException e) {
- // PASS
- }
- }
-
- /**
- * Tests output() - check that this object can stream itself in the correct format.
- * @throws IOException error caused by I/O
- */
- @Test
- public void testOutput() throws IOException {
- testOutputStreams("/TestName", pdfName);
- testOutputStreams("/test#20test", new PDFName("test test"));
- }
-
- /**
- * Test outputInline() - this writes the object reference if it is a direct object (has an
- * object number), or writes the String representation if there is no object number.
- */
- @Test
- public void testOutputInline() {
- ByteArrayOutputStream outStream = new ByteArrayOutputStream();
- CountingOutputStream cout = new CountingOutputStream(outStream);
- StringBuilder textBuffer = new StringBuilder();
- try {
- // test with no object number set.
- pdfName.outputInline(outStream, textBuffer);
- PDFDocument.flushTextBuffer(textBuffer, cout);
- assertEquals("/TestName", outStream.toString());
-
- outStream.reset();
- // test with object number set
- pdfName.setObjectNumber(1);
- pdfName.outputInline(outStream, textBuffer);
- PDFDocument.flushTextBuffer(textBuffer, cout);
- assertEquals("1 0 R", outStream.toString());
- } catch (IOException e) {
- fail("IOException: " + e.getMessage());
- }
- }
- }
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