--- /dev/null
+package org.apache.lucene.search;
+
+/**
+ * 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.util.LuceneTestCase;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.TermEnum;
+import org.apache.lucene.store.Directory;
+
+import java.io.IOException;
+import java.util.LinkedList;
+
+/**
+ * This class tests PhrasePrefixQuery class.
+ */
+public class TestPhrasePrefixQuery extends LuceneTestCase {
+
+ /**
+ *
+ */
+ public void testPhrasePrefix() throws IOException {
+ Directory indexStore = newDirectory();
+ RandomIndexWriter writer = new RandomIndexWriter(random, indexStore);
+ Document doc1 = new Document();
+ Document doc2 = new Document();
+ Document doc3 = new Document();
+ Document doc4 = new Document();
+ Document doc5 = new Document();
+ doc1.add(newField("body", "blueberry pie", Field.Store.YES,
+ Field.Index.ANALYZED));
+ doc2.add(newField("body", "blueberry strudel", Field.Store.YES,
+ Field.Index.ANALYZED));
+ doc3.add(newField("body", "blueberry pizza", Field.Store.YES,
+ Field.Index.ANALYZED));
+ doc4.add(newField("body", "blueberry chewing gum", Field.Store.YES,
+ Field.Index.ANALYZED));
+ doc5.add(newField("body", "piccadilly circus", Field.Store.YES,
+ Field.Index.ANALYZED));
+ writer.addDocument(doc1);
+ writer.addDocument(doc2);
+ writer.addDocument(doc3);
+ writer.addDocument(doc4);
+ writer.addDocument(doc5);
+ IndexReader reader = writer.getReader();
+ writer.close();
+
+ IndexSearcher searcher = newSearcher(reader);
+
+ // PhrasePrefixQuery query1 = new PhrasePrefixQuery();
+ MultiPhraseQuery query1 = new MultiPhraseQuery();
+ // PhrasePrefixQuery query2 = new PhrasePrefixQuery();
+ MultiPhraseQuery query2 = new MultiPhraseQuery();
+ query1.add(new Term("body", "blueberry"));
+ query2.add(new Term("body", "strawberry"));
+
+ LinkedList<Term> termsWithPrefix = new LinkedList<Term>();
+
+ // this TermEnum gives "piccadilly", "pie" and "pizza".
+ String prefix = "pi";
+ TermEnum te = reader.terms(new Term("body", prefix + "*"));
+ do {
+ if (te.term().text().startsWith(prefix))
+ {
+ termsWithPrefix.add(te.term());
+ }
+ } while (te.next());
+
+ query1.add(termsWithPrefix.toArray(new Term[0]));
+ query2.add(termsWithPrefix.toArray(new Term[0]));
+
+ ScoreDoc[] result;
+ result = searcher.search(query1, null, 1000).scoreDocs;
+ assertEquals(2, result.length);
+
+ result = searcher.search(query2, null, 1000).scoreDocs;
+ assertEquals(0, result.length);
+ searcher.close();
+ reader.close();
+ indexStore.close();
+ }
+}