public static void Run(List <int> numbers, int x, IConsole console)
{
var tuples = AdditionPairs.GetPairs(numbers, x);
if (tuples.Count() > 0)
{
console.Out.WriteLine($"Pairs of numbers that can be added to get { x }:");
foreach (Tuple <int, int> tuple in tuples)
{
console.Out.WriteLine($"{ tuple.Item1 }, { tuple.Item2 }");
}
}
else
{
console.Out.WriteLine($"No addition pairs found for { x }");
}
}
public void GetPairs_WhenNumbersIsNull_ThrowsArgumentNullException()
{
Action actual = () => AdditionPairs.GetPairs(null, 0);
Assert.Throws <ArgumentNullException>(actual);
}
public void GetPairs_WhenNumbersIsNotNull_ReturnsValidResult(List <int> numbers, int X, List <Tuple <int, int> > expected)
{
var actual = AdditionPairs.GetPairs(numbers, X);
Assert.Equal(expected, actual);
}