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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 java.io.OutputStream;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* Test case for {@link AbstractPDFStream}.
*/
public class AbstractPDFStreamTestCase extends PDFObjectTestCase {
private AbstractPDFStream abstractStream;
private String textData = "This is an arbitrary string for testing.";
private static byte[] encodedBytes;
static {
int[] encoded = { 0x78, 0x9c, 0x0b, 0xc9, 0xc8, 0x2c, 0x56, 0x00, 0xa2, 0xc4, 0x3c, 0x85,
0xc4, 0xa2, 0xa4, 0xcc, 0x92, 0xa2, 0xc4, 0xa2, 0x4a, 0x85, 0xe2, 0x92, 0xa2, 0xcc,
0xbc, 0x74, 0x85, 0xb4, 0xfc, 0x22, 0x85, 0x92, 0xd4, 0xe2, 0x12, 0x20, 0x5b, 0x0f,
0x00, 0x2d, 0x2b, 0x0e, 0xde, 0x0a };
encodedBytes = new byte[encoded.length];
int i = 0;
for (int in : encoded) {
encodedBytes[i++] = (byte) (in & 0xff);
}
}
private String startStream = "<< /Length 1 0 R /Filter /FlateDecode >>\n"
+ "stream\n";
private String endStream = "endstream";
@Before
public void setUp() {
abstractStream = new AbstractPDFStream() {
@Override
protected void outputRawStreamData(OutputStream out) throws IOException {
out.write(textData.getBytes());
}
@Override
protected int getSizeHint() throws IOException {
return textData.length();
}
};
abstractStream.setDocument(doc);
abstractStream.setParent(parent);
pdfObjectUnderTest = abstractStream;
}
/**
* Tests output() - ensure that this object is correctly formatted to the output stream.
* @throws IOException if an I/O error occurs
*/
@Test
public void testOutput() throws IOException {
// This differs from most other objects, if the object number = 0 an exception is thrown
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
abstractStream.setObjectNumber(1);
ByteArrayOutputStream expectedStream = new ByteArrayOutputStream();
expectedStream.write(startStream.getBytes());
expectedStream.write(encodedBytes);
expectedStream.write(endStream.getBytes());
assertEquals(expectedStream.size(), abstractStream.output(outStream));
assertEquals(expectedStream.toString(), outStream.toString());
}
}
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