--- /dev/null
+package org.apache.lucene.facet.search;
+
+import org.apache.lucene.index.IndexReader;
+
+import org.apache.lucene.facet.search.params.FacetSearchParams;
+import org.apache.lucene.facet.search.sampling.BaseSampleTestTopK;
+import org.apache.lucene.facet.search.sampling.Sampler;
+import org.apache.lucene.facet.taxonomy.TaxonomyReader;
+
+/**
+ * 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 AdaptiveAccumulatorTest extends BaseSampleTestTopK {
+
+ @Override
+ protected FacetsAccumulator getSamplingAccumulator(Sampler sampler,
+ TaxonomyReader taxoReader, IndexReader indexReader,
+ FacetSearchParams searchParams) {
+ AdaptiveFacetsAccumulator res = new AdaptiveFacetsAccumulator(searchParams,
+ indexReader, taxoReader);
+ res.setSampler(sampler);
+ return res;
+ }
+}