package org.apache.lucene.facet.taxonomy.writercache.cl2o;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import org.junit.Test;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.facet.taxonomy.writercache.cl2o.CharBlockArray;
/**
* 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.
*/
public class TestCharBlockArray extends LuceneTestCase {
@Test public void testArray() throws Exception {
CharBlockArray array = new CharBlockArray();
StringBuilder builder = new StringBuilder();
final int n = 100 * 1000;
byte[] buffer = new byte[50];
for (int i = 0; i < n; i++) {
random.nextBytes(buffer);
int size = 1 + random.nextInt(50);
String s = new String(buffer, 0, size);
array.append(s);
builder.append(s);
}
for (int i = 0; i < n; i++) {
random.nextBytes(buffer);
int size = 1 + random.nextInt(50);
String s = new String(buffer, 0, size);
array.append((CharSequence)s);
builder.append(s);
}
for (int i = 0; i < n; i++) {
random.nextBytes(buffer);
int size = 1 + random.nextInt(50);
String s = new String(buffer, 0, size);
for (int j = 0; j < s.length(); j++) {
array.append(s.charAt(j));
}
builder.append(s);
}
assertEqualsInternal("GrowingCharArray<->StringBuilder mismatch.", builder, array);
File f = new File("GrowingCharArrayTest.tmp");
BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(f));
array.flush(out);
out.flush();
out.close();
BufferedInputStream in = new BufferedInputStream(new FileInputStream(f));
array = CharBlockArray.open(in);
assertEqualsInternal("GrowingCharArray<->StringBuilder mismatch after flush/load.", builder, array);
in.close();
f.delete();
}
private static void assertEqualsInternal(String msg, StringBuilder expected, CharBlockArray actual) {
assertEquals(msg, expected.length(), actual.length());
for (int i = 0; i < expected.length(); i++) {
assertEquals(msg, expected.charAt(i), actual.charAt(i));
}
}
}