package org.apache.lucene.search.suggest;
/*
* 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.
*/
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.search.spell.Dictionary;
import org.apache.lucene.search.spell.HighFrequencyDictionary;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.BytesRefIterator;
import org.apache.lucene.util.LuceneTestCase;
public class TestHighFrequencyDictionary extends LuceneTestCase {
public void testEmpty() throws Exception {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random())));
writer.commit();
writer.close();
IndexReader ir = DirectoryReader.open(dir);
Dictionary dictionary = new HighFrequencyDictionary(ir, "bogus", 0.1f);
BytesRefIterator tf = dictionary.getEntryIterator();
assertNull(tf.getComparator());
assertNull(tf.next());
dir.close();
}
}