require 'taptap/simple'

module TapTap
  module Expectations
    extend Simple
    
    def self.expect(value, &block)
      testing "expecting #{value.kind_of?(Class) && value < Exception ?
                           "exception" : "value"} #{value.inspect}" do
        begin
          r = block.call
        rescue => e
          ok e.instance_of?(value)
        else
          ok r == value
        end
      end
    end
  end
end

def Expectations(&block)
  TapTap::Expectations.instance_eval(&block)
end