lib/simplestate/state_holder.rb in simplestate-1.0.1 vs lib/simplestate/state_holder.rb in simplestate-1.0.2

@@ -1,12 +1,12 @@
 class StateHolder < SimpleDelegator
-  attr_reader :state_history, :beginning
+  attr_reader :beginning, :state_history
   attr_accessor :hx_size_limit
   def initialize(opts={})
-    @state_history = []
-    @hx_size_limit = opts.fetch :hx_size_limit, 5
     @beginning = initial_state_class(opts)
+    @hx_size_limit = opts.fetch :hx_size_limit, 5
+    @state_history = []
     super(NilState.new(nil))
     transition_to beginning
   end
 
   def transition_to(new_state_class)
@@ -35,8 +35,8 @@
   end
 
   def initial_state_class(opts)
     isc = opts.fetch :start_in,
                      (opts.fetch :initial_state_class, nil)
-    isc ? isc : raise(NoMethodError)
+    isc ? isc : raise(ArgumentError, "initial state class is missing.")
   end
 end