public void TestWhenListIsEmpty()
{
var target = new TwoElementsWhoseSum();
Assert.IsFalse(target.SumExists(new List<int>(), 10));
}
public void TestWhenPresent()
{
var target = new TwoElementsWhoseSum();
var list = new List<int> { 3, 2, 1, 9, 7, 11, 2 };
Assert.IsTrue(target.SumExists(list, 10));
}
public void TestWhenListIsNull()
{
var target = new TwoElementsWhoseSum();
Assert.IsFalse(target.SumExists(null, 10));
}