1 package org.apache.lucene.search.spell;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
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7 * The ASF licenses this file to You under the Apache License, Version 2.0
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20 import org.apache.lucene.util.LuceneTestCase;
22 public class TestJaroWinklerDistance extends LuceneTestCase {
24 private StringDistance sd = new JaroWinklerDistance();
26 public void testGetDistance() {
27 float d = sd.getDistance("al", "al");
28 assertTrue(d == 1.0f);
29 d = sd.getDistance("martha", "marhta");
30 assertTrue(d > 0.961 && d <0.962);
31 d = sd.getDistance("jones", "johnson");
32 assertTrue(d > 0.832 && d < 0.833);
33 d = sd.getDistance("abcvwxyz", "cabvwxyz");
34 assertTrue(d > 0.958 && d < 0.959);
35 d = sd.getDistance("dwayne", "duane");
36 assertTrue(d > 0.84 && d < 0.841);
37 d = sd.getDistance("dixon", "dicksonx");
38 assertTrue(d > 0.813 && d < 0.814);
39 d = sd.getDistance("fvie", "ten");
41 float d1 = sd.getDistance("zac ephron", "zac efron");
42 float d2 = sd.getDistance("zac ephron", "kai ephron");
44 d1 = sd.getDistance("brittney spears", "britney spears");
45 d2 = sd.getDistance("brittney spears", "brittney startzman");