triangle to_do

triangle.rb

class Triangle
  attr_accessor :side1, :side2, :side3

  def initialize(side1, side2, side3)
    @side1 = side1
    @side2 = side2
    @side3 = side3
  end


  def kind
    if @side1 + @side2 <= @side3 || @side1 + @side3 <= @side2 || @side2 + @side3 <= @side1
      begin
        raise TriangleError
      end
    elsif @side1 == @side2 && @side2 == @side3
      :equilateral
    elsif @side1 == @side2 || @side2 == @side3 || @side1 == @side3
      :isosceles
    else
      :scalene
    end
  end

end

class TriangleError < StandardError
  def initialize(msg = "You've triggered a Triangle Error")
    super(msg)
  end
end