require 'date' require_relative '../../spec_helper' describe "Date constants" do it "defines JULIAN" do (Date::JULIAN <=> Date::Infinity.new).should == 0 end it "defines GREGORIAN" do (Date::GREGORIAN <=> -Date::Infinity.new).should == 0 end it "defines ITALY" do Date::ITALY.should == 2299161 # 1582-10-15 end it "defines ENGLAND" do Date::ENGLAND.should == 2361222 # 1752-09-14 end it "defines MONTHNAMES" do Date::MONTHNAMES.should == [nil] + %w(January February March April May June July August September October November December) end it "defines DAYNAMES" do Date::DAYNAMES.should == %w(Sunday Monday Tuesday Wednesday Thursday Friday Saturday) end it "defines ABBR_MONTHNAMES" do Date::ABBR_DAYNAMES.should == %w(Sun Mon Tue Wed Thu Fri Sat) end it "freezes MONTHNAMES, DAYNAMES, ABBR_MONTHNAMES, ABBR_DAYSNAMES" do [Date::MONTHNAMES, Date::DAYNAMES, Date::ABBR_MONTHNAMES, Date::ABBR_DAYNAMES].each do |ary| -> { ary << "Unknown" }.should raise_error(FrozenError, /frozen/) ary.compact.each do |name| -> { name << "modified" }.should raise_error(FrozenError, /frozen/) end end end end