/*
* 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.
*/
package org.apache.jackrabbit.core.query.lucene.directory;
import java.io.IOException;
import java.io.OutputStream;
import java.io.BufferedOutputStream;
import java.util.Random;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.store.IndexInput;
import junit.framework.TestCase;
/**
* <code>IndexOutputStreamTest</code> performs tests on {@link IndexOutputStream}.
*/
public class IndexOutputStreamTest extends TestCase {
public void testIndexOutputStream() throws IOException {
checkStream(0, 0);
checkStream(0, 128);
checkStream(128, 0);
checkStream(127, 128);
checkStream(128, 128);
checkStream(129, 128);
checkStream(300, 128);
}
private void checkStream(int size, int buffer) throws IOException {
Random rand = new Random();
byte[] data = new byte[size];
rand.nextBytes(data);
Directory dir = new RAMDirectory();
OutputStream out = new IndexOutputStream(dir.createOutput("test"));
if (buffer != 0) {
out = new BufferedOutputStream(out, buffer);
}
out.write(data);
out.close();
byte[] buf = new byte[3];
int pos = 0;
IndexInput in = dir.openInput("test");
for (;;) {
int len = (int) Math.min(buf.length, in.length() - pos);
in.readBytes(buf, 0, len);
for (int i = 0; i < len; i++, pos++) {
assertEquals(data[pos], buf[i]);
}
if (len == 0) {
// EOF
break;
}
}
in.close();
// assert length
assertEquals(data.length, pos);
}
}