public void GivenItemsInARow_WhenRemoveMultipleItems_ShouldWireUpCorrectly()
{
var item1 = new TestItem(1);
var item2 = new TestItem(2);
var item3 = new TestItem(3);
var item4 = new TestItem(4);
_testee.ItemDetected(item1);
_testee.ItemDetected(item2);
_testee.ItemDetected(item3);
_testee.ItemDetected(item4);
_testee.RemoveItem(item3);
_testee.RemoveItem(item4);
_testee.Count.Should().Be(2);
_testee.GetOrderedList().Count.Should().Be(2);
item3.ItemBehind.Should().BeNull();
item3.ItemInFront.Should().BeNull();
item4.ItemBehind.Should().BeNull();
item4.ItemInFront.Should().BeNull();
}
public void GivenItem_WhenDetectNewItem_ShouldRaiseEvent()
{
var oldItem = new TestItem(1);
_testee.ItemDetected(oldItem);
_testee.MonitorEvents();
_testee.ItemDetected(oldItem);
_testee.ShouldNotRaise("NewItemDetectedEvent", "this item is not new it was just scanned a second time");
var newItem = new TestItem(2);
_testee.ItemDetected(newItem);
_testee
.ShouldRaise("NewItemDetectedEvent")
.WithArgs <ItemEventArgs <TestItem> >(x => x.Item == newItem);
_testee
.ShouldRaise("ItemDetectedEvent")
.WithArgs <ItemEventArgs <TestItem> >(x => x.Item == newItem);
}