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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    *      https://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  
18  /*
19   * This is not the original file distributed by the Apache Software Foundation
20   * It has been modified by the Hipparchus project
21   */
22  package org.hipparchus.stat.interval;
23  
24  import org.junit.Assert;
25  import org.junit.Test;
26  
27  /**
28   * Test cases for the NormalApproximationInterval.
29   */
30  public class NormalApproximationIntervalTest extends BinomialProportionAbstractTest {
31  
32      @Override
33      protected BinomialProportionMethod getBinomialProportionMethod() {
34          return BinomialProportion::getNormalApproximationInterval;
35      }
36  
37      @Test
38      public void testStandardInterval() {
39          ConfidenceInterval confidenceInterval = createStandardTestInterval();
40          Assert.assertEquals(0.07793197, confidenceInterval.getLowerBound(), 1E-5);
41          Assert.assertEquals(0.1220680, confidenceInterval.getUpperBound(), 1E-5);
42      }
43  
44  }