<PackageReference Include="NUnit" Version="4.2.1" />

OrConstraint

OrConstraint succeeds if either member succeeds
using System.Runtime.CompilerServices; namespace NUnit.Framework.Constraints { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public class OrConstraint : BinaryConstraint { public override string Description => Left.Description + " or " + Right.Description; public OrConstraint(IConstraint left, IConstraint right) : base(left, right) { } public override ConstraintResult ApplyTo<[System.Runtime.CompilerServices.Nullable(2)] TActual>(TActual actual) { bool isSuccess = Left.ApplyTo(actual).IsSuccess || Right.ApplyTo(actual).IsSuccess; return new ConstraintResult(this, actual, isSuccess); } } }