src/HailstoneSequenceTest.java


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package ca.mokhan.assignment1;

import java.util.ArrayList;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

public class HailstoneSequenceTest extends TestCase {
  public HailstoneSequenceTest(String testName) {
    super(testName);
  }

  public static Test suite() {
    return new TestSuite(HailstoneSequenceTest.class);
  }

  public void testGetHailstoneSequence() {
    ArrayList<Integer> results = HailstoneSequence.getHailstoneSequence(15);

    assertTrue(15 == results.get(0));
    assertTrue(46 == results.get(1));
    assertTrue(23 == results.get(2));
    assertTrue(70 == results.get(3));
    assertTrue(35 == results.get(4));
    assertTrue(106 == results.get(5));
    assertTrue(53 == results.get(6));
    assertTrue(160 == results.get(7));
    assertTrue(80 == results.get(8));
    assertTrue(40 == results.get(9));
    assertTrue(20 == results.get(10));
    assertTrue(10 == results.get(11));
    assertTrue(5 == results.get(12));
    assertTrue(16 == results.get(13));
    assertTrue(8 == results.get(14));
    assertTrue(4 == results.get(15));
    assertTrue(2 == results.get(16));
    assertTrue(1 == results.get(17));
  }
}