require 'spec'

Spec::Example::ExampleGroup.class_eval do
  def remove_constants *args
    args = args.first if args.size == 1 and args.first.is_a?(Array)
    # args.each{|c| raise "Invalid constant name '#{c}'!" unless c =~ /^[a-z_][a-z_0-9]*$/i}
    # args = args.first if args.first.is_a?(Array)
    args.each{|c| Object.send :remove_const, c if Object.const_defined? c}       
  end
end