BettingMoneyTest.java

import java.util.*;

import static org.junit.Assert.*;
import static org.junit.Assume.*;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;
import org.junit.experimental.theories.DataPoint;
import org.junit.experimental.theories.DataPoints;
import org.junit.experimental.theories.Theories;
import org.junit.experimental.theories.Theory;

@RunWith(Parameterized.class)
public class BettingMoneyTest {
	public int[] amounts;
	public int[] centsPerDollar;
	public int finalResult;
	public int moneyMadeExpected;
	public BettingMoneyTest (int[] amounts, int[] centsPerDollar, int finalResult, int moneyMadeExpected) {
		this.amounts = amounts;
		this.centsPerDollar = centsPerDollar;
		this.finalResult = finalResult;
		this.moneyMadeExpected = moneyMadeExpected;
	}
	
	@Parameters
	public static Collection<Object[]> parameters() {
		return Arrays.asList(new Object[][] {
			{new int[] {10,20,30}, new int[] {20,30,40}, 1, 3400},
			{new int[] {123,342,424,524,234,634,1000}, new int[] {12,32,42,62,12,53,5000}, 6, -4771900},
			{new int[] {5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000}, 
				new int[] {0, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 5000}, 
				0, 24500000},
			{new int[] {1}, new int[] {1}, 0, -1},
		});
	}
	
	@Test
	public void moneyMadeTest() {
		int moneyMade = BettingMoney.moneyMade(amounts, centsPerDollar, finalResult);
		assertEquals(moneyMadeExpected, moneyMade);
	}

//	@Test(expected = IllegalArgumentException.class)
//	public void testExceptionIsThrown() {
//		int[] amounts = {1,2,3};
//		int[] centsPerDollar = {4,5,6,7};
//		int finalResult = 1;
//		BettingMoney.moneyMade(amounts, centsPerDollar, finalResult);
//	}
}