ActiveSupport::OrderedHash inconsistency

inconsistency.rb

# Ruby 1.8.7
# ActiveSupport 3.0.7

require 'rubygems'
require 'active_support/ordered_hash'
require 'pp'

ordered  = ActiveSupport::OrderedHash.new
standard = Hash.new

ordered[:one] = standard[:one] = 1

puts
puts ">> Standard Hash: "
puts

standard.each      { |*v| puts v.inspect }
standard.each_pair { |*v| puts v.inspect }

puts
puts ">> Ordered Hash: "
puts

ordered.each      { |*v| puts v.inspect }
ordered.each_pair { |*v| puts v.inspect }

#
# >> Standard Hash:
#
# [[:one, 1]]
# [:one, 1]
#
# >> Ordered Hash:
#
# [[:one, 1]]
# [[:one, 1]]