public void Single_With_Empty_Must_Return_None(int[] source)
{
// Arrange
var list = source.ToList();
// Act
var result = ListBindings
.Single(list);
// Assert
_ = result.Must()
.BeOfType <Option <int> >()
.EvaluateTrue(option => option.IsNone);
}
public void Single_With_Single_Must_Return_Some(int[] source)
{
// Arrange
var list = source.ToList();
var expected = Enumerable
.Single(source);
// Act
var result = ListBindings
.Single(list);
// Assert
_ = result.Match(
value => value.Must().BeEqualTo(expected),
() => throw new Exception());
}