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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.xref;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
public class CrossReferenceTableTestCase extends CrossReferenceObjectTest {
private List<Long> offsets;
@Test
public void testWithNoOffset() throws IOException {
List<Long> emptyList = Collections.emptyList();
runTest(emptyList);
}
@Test
public void testWithOffsets() throws IOException {
runTest(Arrays.asList(0L, 1L, 2L, 3L, 4L));
}
@Test
public void testWithBigOffsets() throws IOException {
runTest(Arrays.asList(0xffL, 0xffffL, 0x7fffffffL));
}
private void runTest(List<Long> offsets) throws IOException {
this.offsets = offsets;
runTest();
}
@Override
protected CrossReferenceObject createCrossReferenceObject() {
return new CrossReferenceTable(trailerDictionary, STARTXREF, offsets);
}
@Override
protected byte[] createExpectedCrossReferenceData() throws IOException {
StringBuilder expected = new StringBuilder(256);
expected.append("xref\n0 ")
.append(offsets.size() + 1)
.append("\n0000000000 65535 f \n");
for (Long objectReference : offsets) {
final String padding = "0000000000";
String s = String.valueOf(objectReference).toString();
String loc = padding.substring(s.length()) + s;
expected.append(loc).append(" 00000 n \n");
}
expected.append("trailer\n<<\n")
.append(" /Root 1 0 R\n")
.append(" /Info 2 0 R\n")
.append(" /ID [<0123456789ABCDEF> <0123456789ABCDEF>]\n")
.append(" /Size ").append(Integer.toString(offsets.size() + 1)).append('\n')
.append(">>");
return getBytes(expected);
}
}
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