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.assertTrue;
21
22 import java.util.function.IntPredicate;
23
24 import org.junit.jupiter.api.Test;
25
26 /**
27 * Tests the Filter class.
28 */
29 public class BitMapTrackerTest {
30
31 @Test
32 public void testSeen() {
33 final Shape shape = Shape.fromKM(3, 12);
34 final IntPredicate tracker = new IndexFilter.BitMapTracker(shape);
35
36 assertTrue(tracker.test(0));
37 assertFalse(tracker.test(0));
38 assertTrue(tracker.test(1));
39 assertFalse(tracker.test(1));
40 assertTrue(tracker.test(2));
41 assertFalse(tracker.test(2));
42
43 assertTrue(tracker.test(4));
44 assertFalse(tracker.test(4));
45 }
46 }