NUnit.Framework.Constraints.RangeConstraint public class RangeConstraint : Constraint Documentation Code public RangeConstraint(object from, object to) public RangeConstraint Using(IComparer comparer) public RangeConstraint Using<T>(IComparer<T> comparer) Modifies the constraint to use an IComparer<T> and returns self. public RangeConstraint Using<T>(Comparison<T> comparer) Modifies the constraint to use a Comparison<T> and returns self.