| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.math4.stat.interval; |
| |
| import org.apache.commons.math4.exception.MathIllegalArgumentException; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Test cases for the BinomialConfidenceInterval implementations. |
| * |
| */ |
| public abstract class BinomialConfidenceIntervalAbstractTest { |
| |
| protected BinomialConfidenceInterval testStatistic; |
| |
| private final int successes = 50; |
| private final int trials = 500; |
| private final double confidenceLevel = 0.9; |
| |
| protected abstract BinomialConfidenceInterval createBinomialConfidenceInterval(); |
| |
| /** |
| * Returns the confidence interval for the given statistic with the following values: |
| * |
| * <ul> |
| * <li>trials: 500</li> |
| * <li>successes: 50</li> |
| * <li>confidenceLevel: 0.9</li> |
| * </ul> |
| * @return the Confidence Interval for the given values |
| */ |
| protected ConfidenceInterval createStandardTestInterval() { |
| return testStatistic.createInterval(trials, successes, confidenceLevel); |
| } |
| |
| @Before |
| public void setUp() { |
| testStatistic = createBinomialConfidenceInterval(); |
| } |
| |
| @Test(expected = MathIllegalArgumentException.class) |
| public void testZeroConfidencelevel() { |
| testStatistic.createInterval(trials, successes, 0d); |
| } |
| |
| @Test(expected = MathIllegalArgumentException.class) |
| public void testOneConfidencelevel() { |
| testStatistic.createInterval(trials, successes, 1d); |
| } |
| |
| @Test(expected = MathIllegalArgumentException.class) |
| public void testZeroTrials() { |
| testStatistic.createInterval(0, 0, confidenceLevel); |
| } |
| |
| @Test(expected = MathIllegalArgumentException.class) |
| public void testNegativeSuccesses() { |
| testStatistic.createInterval(trials, -1, confidenceLevel); |
| } |
| |
| @Test(expected = MathIllegalArgumentException.class) |
| public void testSuccessesExceedingTrials() { |
| testStatistic.createInterval(trials, trials + 1, confidenceLevel); |
| } |
| } |