--- /dev/null
+package org.apache.lucene.facet.index.attributes;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.junit.Test;
+
+import org.apache.lucene.facet.index.CategoryContainerTestBase;
+import org.apache.lucene.facet.index.attributes.CategoryAttribute;
+import org.apache.lucene.facet.index.attributes.CategoryAttributesIterable;
+import org.apache.lucene.facet.taxonomy.CategoryPath;
+
+/**
+ * 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.
+ */
+
+public class CategoryAttributesIterableTest extends CategoryContainerTestBase {
+
+ @Test
+ public void testIterator() throws IOException {
+ List<CategoryPath> categoryList = new ArrayList<CategoryPath>();
+ for (int i = 0; i < initialCatgeories.length; i++) {
+ categoryList.add(initialCatgeories[i]);
+ }
+
+ CategoryAttributesIterable iterable = new CategoryAttributesIterable(
+ categoryList);
+ Iterator<CategoryAttribute> iterator = iterable.iterator();
+
+ // count the number of tokens
+ int nCategories;
+ for (nCategories = 0; iterator.hasNext(); nCategories++) {
+ iterator.next();
+ }
+ assertEquals("Wrong number of tokens", 3, nCategories);
+ }
+
+}