public void By_Methods__Take_And_Return_A_List_of_Friends()
{
OrderFriends.ByName(new List <Friend>()).Should().BeOfType <List <Friend> >();
OrderFriends.ByOnlineStatus(new List <Friend>()).Should().BeOfType <List <Friend> >();
OrderFriends.ByLastSeen(new List <Friend>()).Should().BeOfType <List <Friend> >();
OrderFriends.ByLevel(new List <Friend>()).Should().BeOfType <List <Friend> >();
}
public void ByLastSeen__Sort_By_Most_Recent_First()
{
var newFriendsOrder = OrderFriends.ByLastSeen(_friends);
newFriendsOrder.Should().BeInAscendingOrder(friend => friend.LastSeen);
}