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.next()); dir.close(); } }