1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.collections4.bloomfilter; 18 19 public class IndexProducerFromHasherTest extends AbstractIndexProducerTest { 20 21 @Override 22 protected IndexProducer createEmptyProducer() { 23 return NullHasher.INSTANCE.indices(Shape.fromKM(17, 72)); 24 } 25 26 @Override 27 protected IndexProducer createProducer() { 28 // hasher has collisions and wraps 29 return new IncrementingHasher(4, 8).indices(Shape.fromKM(17, 72)); 30 } 31 32 @Override 33 protected int getAsIndexArrayBehaviour() { 34 return 0; 35 } 36 37 @Override 38 protected int[] getExpectedIndices() { 39 return new int[] {4, 12, 20, 28, 36, 44, 52, 60, 68, 4, 12, 20, 28, 36, 44, 52, 60}; 40 } 41 }