public void ShouldConsiderAnEmptyComparableToBeAfterNull()
{
var first = new EmptyComparable();
Assert.That(first.CompareTo(null), Is.Positive);
}
public void ShouldThrowWhenComparingAnEmptyComparableAndAnotherType()
{
var first = new EmptyComparable();
var second = new object();
Assert.That(() => first.CompareTo(second), Throws.ArgumentException);
}
public void ShouldCompareEmptyComparableObjectsEqual()
{
var first = new EmptyComparable();
var second = new EmptyComparable();
Assert.That(first.CompareTo(second), Is.EqualTo(0));
}