NUnit.Framework.Constraints.NoItemConstraint
public class NoItemConstraint : PrefixConstraint, IEnumerableConstraint, IConstraint, IResolveConstraint
NoItemConstraint applies another constraint to each
item in a collection, failing if any of them succeeds.
Construct a SomeItemsConstraint on top of an existing constraint
public ConstraintResult ApplyToEnumerable<TActual, TItem>(TActual actual, IEnumerable<TItem> enumerable)
Apply the item constraint to each item in the collection,
failing if any item fails.