package org.apache.lucene.search.spell;
/**
* 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;
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);
}
}