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.math4.legacy.stat.interval;
18
19 import org.junit.Assert;
20 import org.junit.Test;
21
22 /**
23 * Test cases for the WilsonScoreInterval class.
24 *
25 */
26 public class WilsonScoreIntervalTest extends BinomialConfidenceIntervalAbstractTest {
27
28 @Override
29 protected BinomialConfidenceInterval createBinomialConfidenceInterval() {
30 return new WilsonScoreInterval();
31 }
32
33 @Test
34 public void testStandardInterval() {
35 ConfidenceInterval confidenceInterval = createStandardTestInterval();
36 Assert.assertEquals(0.08003919, confidenceInterval.getLowerBound(), 1E-5);
37 Assert.assertEquals(0.1242664, confidenceInterval.getUpperBound(), 1E-5);
38 }
39
40 @Test
41 public void testMath1421() {
42 double lo = new WilsonScoreInterval().createInterval(19436, 0, 0.95).getLowerBound();
43 Assert.assertTrue(lo + " < 0", lo >= 0);
44 }
45 }