public void CoupleBuilder_NoCouples()
{
CoupleBuilder cb = new CoupleBuilder(2, 4, 6, 8, 2, 0, 4, 2);
var ret = cb.BuildWithSum(5);
Assert.AreEqual(0, ret.Count);
}
public void CoupleBuilder_TooBigNumbers()
{
CoupleBuilder cb = new CoupleBuilder(1, 1, 2, 1, 1, 0, 1, 3, 7, 4, 5);
var ret = cb.BuildWithSum(2);
Assert.AreEqual(3, ret.Count);
Assert.AreEqual(new Tuple <int, int>(0, 2), ret[0]);
Assert.AreEqual(new Tuple <int, int>(1, 1), ret[1]);
Assert.AreEqual(new Tuple <int, int>(1, 1), ret[2]);
}
public void CoupleBuilder_OrdinaryCase()
{
CoupleBuilder cb = new CoupleBuilder(1, 1, 2, 1, 1, 0, 1);
var ret = cb.BuildWithSum(2);
Assert.AreEqual(3, ret.Count);
Assert.AreEqual(new Tuple <int, int>(0, 2), ret[0]);
Assert.AreEqual(new Tuple <int, int>(1, 1), ret[1]);
Assert.AreEqual(new Tuple <int, int>(1, 1), ret[2]);
}
public void CoupleBuilder_SameCouples()
{
CoupleBuilder cb = new CoupleBuilder(5, 2, 2, 5, 5, 2, 2, 5);
var ret = cb.BuildWithSum(7);
Assert.AreEqual(4, ret.Count);
Assert.AreEqual(new Tuple <int, int>(2, 5), ret[0]);
Assert.AreEqual(new Tuple <int, int>(2, 5), ret[1]);
Assert.AreEqual(new Tuple <int, int>(2, 5), ret[2]);
Assert.AreEqual(new Tuple <int, int>(2, 5), ret[3]);
}
