void When(DocumentDeleted e)
 {
     MarkAsDeleted();
 }
 public void verify_handle_deleted()
 {
     CreateSut();
     var evt = new DocumentDeleted(new DocumentHandle("rev_1"), new DocumentDescriptorId(1));
     _sut.Handle(evt, false);
     Assert.That(rmStream, Has.Count.EqualTo(1));
     Assert.That(rmStream[0].EventType, Is.EqualTo(HandleStreamEventTypes.DocumentDeleted));
     Assert.That(rmStream[0].Handle, Is.EqualTo("rev_1"));
 }