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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.afp.modca;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Arrays;
import org.apache.fop.afp.util.BinaryUtils;
import org.junit.Before;
import org.junit.Test;
/**
* Test {@link IncludeObject}
*/
public class IncludeObjectTestCase extends AbstractNamedAFPObjectTest<IncludeObject> {
@Before
public void setUp() throws Exception {
setSut(new IncludeObject("8__chars"));
}
/**
* Test writeToStream()
* @throws IOException -
*/
@Test
public void testWriteToStream() throws IOException {
final IncludeObject sut = getSut();
byte[] expected = defaultIncludeObjectBytes(sut.getTripletDataLength(), sut.getNameBytes());
testWriteToStreamHelper(sut, expected);
}
/**
* Test writeToStream() - the orientation of the referenced object is a right-
* handed with a 180 x-axis
* @throws IOException -
*/
@Test
public void testWriteToStreamForOrientation() throws IOException {
final IncludeObject sut = getSut();
byte[] expected = defaultIncludeObjectBytes(sut.getTripletDataLength(), sut.getNameBytes());
expected[25] = (byte)0x5A;
expected[26] = (byte)0x00;
expected[27] = (byte)0x87;
expected[28] = (byte)0x00;
sut.setObjectAreaOrientation(180);
testWriteToStreamHelper(sut, expected);
}
private void testWriteToStreamHelper(IncludeObject sut, byte[] expected) throws IOException {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
sut.writeToStream(baos);
byte[] actual = baos.toByteArray();
assertTrue(Arrays.equals(actual, expected));
}
private byte[] defaultIncludeObjectBytes(int tripletDataLength, byte[] nameData) {
byte[] expected = new byte[36];
byte[] header = new byte[] {
0x5A, // Structured field identifier
0x00, // Length byte 1
0x10, // Length byte 2
(byte)0xD3, // Structured field id byte 1
(byte)0xAF, // Structured field id byte 2 - type 'input'
(byte)0xC3, // Structured field id byte 3 - category 'data resource'
0x00, // Flags
0x00, // Reserved
0x00, // Reserved
};
System.arraycopy(header, 0, expected, 0, header.length);
byte[] lengthBytes = BinaryUtils.convert(35 + tripletDataLength, 2); //Ignore first byte
expected[1] = lengthBytes[0];
expected[2] = lengthBytes[1];
System.arraycopy(nameData, 0, expected, 9, nameData.length);
expected[18] = (byte)0x92; // object type 'other'
expected[27] = (byte)0x2D; // orientation of the reference object
writeOsetTo(expected, 29, -1); // the X-axis origin defined in the object
writeOsetTo(expected, 32, -1); // the Y-axis origin defined in the object
expected[35] = 0x01; // Page or overlay coordinate system
return expected;
}
private static void writeOsetTo(byte[] out, int offset, int oset) {
if (oset > -1) {
byte[] y = BinaryUtils.convert(oset, 3);
out[offset] = y[0];
out[offset + 1] = y[1];
out[offset + 2] = y[2];
} else {
out[offset] = (byte)0xFF;
out[offset + 1] = (byte)0xFF;
out[offset + 2] = (byte)0xFF;
}
}
}
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