<PackageReference Include="NUnit" Version="4.6.1" />

NUnit.Framework.Constraints.AllItemsConstraint

AllItemsConstraint applies another constraint to each item in a collection, succeeding if they all succeed.
namespace NUnit.Framework.Constraints { public class AllItemsConstraint : PrefixConstraint, IEnumerableConstraint, IConstraint, IResolveConstraint { public AllItemsConstraint(IConstraint itemConstraint); public ConstraintResult ApplyToEnumerable<[System.Runtime.CompilerServices.Nullable(2)] TActual, [System.Runtime.CompilerServices.Nullable(2)] TItem>(TActual actual, IEnumerable<TItem> enumerable); } }