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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  import static org.junit.jupiter.api.Assertions.assertFalse;
20  import static org.junit.jupiter.api.Assertions.assertThrows;
21  import static org.junit.jupiter.api.Assertions.assertTrue;
22  
23  import java.util.function.IntPredicate;
24  
25  import org.junit.jupiter.api.Test;
26  
27  /**
28   * Tests the Filter class.
29   */
30  public class ArrayTrackerTest {
31  
32      @Test
33      public void testSeen() {
34          final Shape shape = Shape.fromKM(3, 12);
35          final IntPredicate tracker = new IndexFilter.ArrayTracker(shape);
36  
37          assertTrue(tracker.test(0));
38          assertFalse(tracker.test(0));
39          assertTrue(tracker.test(1));
40          assertFalse(tracker.test(1));
41          assertTrue(tracker.test(2));
42          assertFalse(tracker.test(2));
43  
44          assertThrows(IndexOutOfBoundsException.class, () -> tracker.test(3));
45          assertThrows(IndexOutOfBoundsException.class, () -> tracker.test(-1));
46      }
47  }