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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
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