| 1 | package de.uka.ipd.sdq.statistics.independence.test; |
| 2 | |
| 3 | import java.util.List; |
| 4 | |
| 5 | import junit.framework.TestCase; |
| 6 | import de.uka.ipd.sdq.statistics.independence.IIndependenceTest; |
| 7 | import de.uka.ipd.sdq.statistics.independence.RunUpTest; |
| 8 | import de.uka.ipd.sdq.statistics.test.TestUtils; |
| 9 | |
| 10 | public class TestRunUpTest extends TestCase { |
| 11 | |
| 12 | private IIndependenceTest indTest; |
| 13 | |
| 14 | @Override |
| 15 | protected void setUp() throws Exception { |
| 16 | super.setUp(); |
| 17 | |
| 18 | this.indTest = new RunUpTest(); |
| 19 | } |
| 20 | |
| 21 | public void testDependence() { |
| 22 | int desiredLag = 2; |
| 23 | int numberOfSamples = indTest.getLowerSampleLimit(); |
| 24 | int repititions = 100; |
| 25 | |
| 26 | List<Double> samples = null; |
| 27 | int indepCnt = 0; |
| 28 | int depCnt = 0; |
| 29 | for (int i = 0; i < repititions; i++) { |
| 30 | samples = TestUtils.createSampleSequence(numberOfSamples, |
| 31 | desiredLag); |
| 32 | if (indTest.testIndependence(samples)) { |
| 33 | ++indepCnt; |
| 34 | } else { |
| 35 | ++depCnt; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | System.out.println("Dependent: " + depCnt + ", Independent: " |
| 40 | + indepCnt); |
| 41 | assertTrue(depCnt > indepCnt); |
| 42 | } |
| 43 | |
| 44 | public void testIndependence() { |
| 45 | int desiredLag = 1; |
| 46 | int numberOfSamples = indTest.getLowerSampleLimit(); |
| 47 | int repititions = 100; |
| 48 | |
| 49 | List<Double> samples = null; |
| 50 | int indepCnt = 0; |
| 51 | int depCnt = 0; |
| 52 | for (int i = 0; i < repititions; i++) { |
| 53 | samples = TestUtils.createSampleSequence(numberOfSamples, |
| 54 | desiredLag); |
| 55 | if (indTest.testIndependence(samples)) { |
| 56 | ++indepCnt; |
| 57 | } else { |
| 58 | ++depCnt; |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | System.out.println("Dependent: " + depCnt + ", Independent: " |
| 63 | + indepCnt); |
| 64 | assertTrue(depCnt < indepCnt); |
| 65 | } |
| 66 | |
| 67 | } |