public void FirstRepeatingItem_WhenNumbersDontRepeat_ReturnsCorrectNumber()
{
var list = new List <int> {
2, 3, 4, 5
};
Assert.That(FirstRepeating.FirstRepeatingItemGood(list), Is.EqualTo(null));
}
public void FirstRepeatingItem_WhenNumbersRepeat_ReturnsCorrectNumber()
{
var list = new List <int> {
2, 5, 1, 2, 3, 5, 1, 2, 4
};
Assert.That(FirstRepeating.FirstRepeatingItemGood(list), Is.EqualTo(2));
}