| /* |
| * 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.lucene.search.spell; |
| |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestJaroWinklerDistance extends LuceneTestCase { |
| |
| private StringDistance sd = new JaroWinklerDistance(); |
| |
| public void testGetDistance() { |
| float d = sd.getDistance("al", "al"); |
| assertTrue(d == 1.0f); |
| d = sd.getDistance("martha", "marhta"); |
| assertTrue(d > 0.961 && d <0.962); |
| d = sd.getDistance("jones", "johnson"); |
| assertTrue(d > 0.832 && d < 0.833); |
| d = sd.getDistance("abcvwxyz", "cabvwxyz"); |
| assertTrue(d > 0.958 && d < 0.959); |
| d = sd.getDistance("dwayne", "duane"); |
| assertTrue(d > 0.84 && d < 0.841); |
| d = sd.getDistance("dixon", "dicksonx"); |
| assertTrue(d > 0.813 && d < 0.814); |
| d = sd.getDistance("fvie", "ten"); |
| assertTrue(d == 0f); |
| float d1 = sd.getDistance("zac ephron", "zac efron"); |
| float d2 = sd.getDistance("zac ephron", "kai ephron"); |
| assertTrue(d1 > d2); |
| d1 = sd.getDistance("brittney spears", "britney spears"); |
| d2 = sd.getDistance("brittney spears", "brittney startzman"); |
| assertTrue(d1 > d2); |
| } |
| |
| } |