--- /dev/null
+package org.apache.lucene.analysis.ar;
+
+/**
+ * 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 java.io.IOException;
+import java.io.StringReader;
+
+import org.apache.lucene.analysis.BaseTokenStreamTestCase;
+
+/**
+ * Test the Arabic Normalization Filter
+ */
+public class TestArabicNormalizationFilter extends BaseTokenStreamTestCase {
+
+ public void testAlifMadda() throws IOException {
+ check("آجن", "اجن");
+ }
+
+ public void testAlifHamzaAbove() throws IOException {
+ check("أحمد", "احمد");
+ }
+
+ public void testAlifHamzaBelow() throws IOException {
+ check("إعاذ", "اعاذ");
+ }
+
+ public void testAlifMaksura() throws IOException {
+ check("بنى", "بني");
+ }
+
+ public void testTehMarbuta() throws IOException {
+ check("فاطمة", "فاطمه");
+ }
+
+ public void testTatweel() throws IOException {
+ check("روبرـــــت", "روبرت");
+ }
+
+ public void testFatha() throws IOException {
+ check("مَبنا", "مبنا");
+ }
+
+ public void testKasra() throws IOException {
+ check("علِي", "علي");
+ }
+
+ public void testDamma() throws IOException {
+ check("بُوات", "بوات");
+ }
+
+ public void testFathatan() throws IOException {
+ check("ولداً", "ولدا");
+ }
+
+ public void testKasratan() throws IOException {
+ check("ولدٍ", "ولد");
+ }
+
+ public void testDammatan() throws IOException {
+ check("ولدٌ", "ولد");
+ }
+
+ public void testSukun() throws IOException {
+ check("نلْسون", "نلسون");
+ }
+
+ public void testShaddah() throws IOException {
+ check("هتميّ", "هتمي");
+ }
+
+ private void check(final String input, final String expected) throws IOException {
+ ArabicLetterTokenizer tokenStream = new ArabicLetterTokenizer(TEST_VERSION_CURRENT, new StringReader(input));
+ ArabicNormalizationFilter filter = new ArabicNormalizationFilter(tokenStream);
+ assertTokenStreamContents(filter, new String[]{expected});
+ }
+
+}