public void GetHandlesForProcessor_x_x() { var subject = NewSubjectUnderTest(); var entity1 = subject.CreateEntity(); entity1.Aspect.AddMask(0); entity1.Aspect.AddMask(1); var entity2 = subject.CreateEntity(); entity2.Aspect.AddMask(0); entity2.Aspect.AddMask(1); var entity3 = subject.CreateEntity(); entity3.Aspect.AddMask(1); var aspect = new Aspect(2); aspect.AddMask(0); aspect.AddMask(1); var actual = subject.GetHandlesForProcessor(aspect); actual.Count.Should().Be(2); }