require 'date' require File.expand_path('../../../spec_helper', __FILE__) describe "Date#julian?" do it "marks a day before the calendar reform as Julian" do Date.civil(1007, 2, 27).julian?.should == true Date.civil(1907, 2, 27, Date.civil(1930, 1, 1).jd).julian?.should be_true end it "marks a day after the calendar reform as Julian" do Date.civil(2007, 2, 27).julian?.should == false Date.civil(1607, 2, 27, Date.civil(1582, 1, 1).jd).julian?.should be_false end end