--- /dev/null
+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);
+ }
+
+}
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