EvenSumTest

import junit.framework.TestCase;

public class EvenSumTest extends TestCase {
    public void tests() {
        assertEquals(0, EvenSum.sumOfEvenNumbersUpTo(-100));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpTo(-1));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpTo(0));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpTo(1));
        assertEquals(2, EvenSum.sumOfEvenNumbersUpTo(2));
        assertEquals(2, EvenSum.sumOfEvenNumbersUpTo(3));
        assertEquals(6, EvenSum.sumOfEvenNumbersUpTo(4));
        assertEquals(6, EvenSum.sumOfEvenNumbersUpTo(5));
        assertEquals(12, EvenSum.sumOfEvenNumbersUpTo(6));
        assertEquals(12, EvenSum.sumOfEvenNumbersUpTo(7));
        assertEquals(20, EvenSum.sumOfEvenNumbersUpTo(8));
        assertEquals(20, EvenSum.sumOfEvenNumbersUpTo(9));
        assertEquals(30, EvenSum.sumOfEvenNumbersUpTo(10));
        assertEquals(30, EvenSum.sumOfEvenNumbersUpTo(11));
        assertEquals(42, EvenSum.sumOfEvenNumbersUpTo(12));
        assertEquals(42, EvenSum.sumOfEvenNumbersUpTo(13));
        assertEquals(56, EvenSum.sumOfEvenNumbersUpTo(14));
        assertEquals(56, EvenSum.sumOfEvenNumbersUpTo(15));
        assertEquals(72, EvenSum.sumOfEvenNumbersUpTo(16));
        assertEquals(72, EvenSum.sumOfEvenNumbersUpTo(17));
        assertEquals(90, EvenSum.sumOfEvenNumbersUpTo(18));
        assertEquals(90, EvenSum.sumOfEvenNumbersUpTo(19));
        assertEquals(110, EvenSum.sumOfEvenNumbersUpTo(20));
    }
    public void testsB() {
        assertEquals(0, EvenSum.sumOfEvenNumbersUpToB(-100));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpToB(-1));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpToB(0));
        assertEquals(0, EvenSum.sumOfEvenNumbersUpToB(1));
        assertEquals(2, EvenSum.sumOfEvenNumbersUpToB(2));
        assertEquals(2, EvenSum.sumOfEvenNumbersUpToB(3));
        assertEquals(6, EvenSum.sumOfEvenNumbersUpToB(4));
        assertEquals(6, EvenSum.sumOfEvenNumbersUpToB(5));
        assertEquals(12, EvenSum.sumOfEvenNumbersUpToB(6));
        assertEquals(12, EvenSum.sumOfEvenNumbersUpToB(7));
        assertEquals(20, EvenSum.sumOfEvenNumbersUpToB(8));
        assertEquals(20, EvenSum.sumOfEvenNumbersUpToB(9));
        assertEquals(30, EvenSum.sumOfEvenNumbersUpToB(10));
        assertEquals(30, EvenSum.sumOfEvenNumbersUpToB(11));
        assertEquals(42, EvenSum.sumOfEvenNumbersUpToB(12));
        assertEquals(42, EvenSum.sumOfEvenNumbersUpToB(13));
        assertEquals(56, EvenSum.sumOfEvenNumbersUpToB(14));
        assertEquals(56, EvenSum.sumOfEvenNumbersUpToB(15));
        assertEquals(72, EvenSum.sumOfEvenNumbersUpToB(16));
        assertEquals(72, EvenSum.sumOfEvenNumbersUpToB(17));
        assertEquals(90, EvenSum.sumOfEvenNumbersUpToB(18));
        assertEquals(90, EvenSum.sumOfEvenNumbersUpToB(19));
        assertEquals(110, EvenSum.sumOfEvenNumbersUpToB(20));
    }
}