File: return_values.rb

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libmocha-ruby 0.9.0-1
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require 'mocha/single_return_value'

module Mocha # :nodoc:
  
  class ReturnValues # :nodoc:
    
    def self.build(*values)
      new(*values.map { |value| SingleReturnValue.new(value) })
    end
    
    attr_accessor :values
    
    def initialize(*values)
      @values = values
    end
    
    def next
      case @values.length
        when 0
          nil
        when 1
          @values.first.evaluate
        else
          @values.shift.evaluate
      end
    end
    
    def +(other)
      self.class.new(*(@values + other.values))
    end
    
  end
  
end