require 'date' require File.expand_path('../../../spec_helper', __FILE__) describe "Date#downto" do it "creates earlier dates when passed a negative step" do ds = Date.civil(2000, 4, 14) de = Date.civil(2000, 3, 29) count = 0 ds.step(de, -1) do |d| d.should <= ds d.should >= de count += 1 end count.should == 17 end end