using System;

using System.Collections.Generic;

using Bifrost.Events;

using Bifrost.Fakes.Events;

using Machine.Specifications;



namespace Bifrost.Specs.Events.for_EventStream

{

    public class when_appending_an_event_to_a_committed_event_stream_out_of_sequence : given.an_empty_committed_event_stream

    {

        static Exception Exception;



        Because of = () =>

                         {

                             var firstEvent = new SimpleEvent(EventSourceId) { Version = new EventSourceVersion(1, 0) };

                             var eventOutOfSequence = new SimpleEvent(EventSourceId) { Version = new EventSourceVersion(1, 2) };



                             Exception = Catch.Exception(() => EventStream.Append(new List<IEvent>() { firstEvent, eventOutOfSequence }));

                         };



        It should_throw_an_event_out_of_sequence_exception = () => Exception.ShouldBeOfType<EventOutOfSequenceException>();

    }

}