date_calculator_spec.rb

require 'date_calculator'
describe DateCalculator do
  before :each do
    @years_calculator = DateCalculator.new(origin = 1970)
  end
  it "returns the origin year if fewer than 365 days have passed" do
    @years_calculator.current_year_from_days(364).should == 1970
  end
  it "returns 1 more than origin if 400 days have passed" do
    @years_calculator.current_year_from_days(400).should == 1971
  end
  it "returns 3 more than origin if 900 days have passed"
end