public void CalculateChange_ChangeForMinus7Cents_Test()
{
CoinProcessor processor = new CoinProcessor();
Dictionary<int, long> result = processor.CalculateChange(-7);
Assert.IsNotNull(result);
Assert.IsTrue(result.Any() == false);
}
public void CalculateChange_ChangeFor15Cents_Test()
{
CoinProcessor processor = new CoinProcessor();
Dictionary<int, long> result = processor.CalculateChange(15);
Assert.IsNotNull(result);
Assert.AreEqual(2, result.Count);
Assert.IsTrue(result.ContainsKey(10) && result[10] == 1);
Assert.IsTrue(result.ContainsKey(5) && result[5] == 1);
}