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require 'date'
require File.expand_path('../../../spec_helper', __FILE__)
describe "Date constants" do
# Fixes in 1.8.7
ruby_bug "#", "1.8.6" do
it "defines JULIAN" do
(Date::JULIAN <=> Date::Infinity.new).should == 0
end
end
# Fixed in 1.8.7
ruby_bug "#", "1.8.6" do
it "defines GREGORIAN" do
(Date::GREGORIAN <=> -Date::Infinity.new).should == 0
end
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|
lambda { ary << "Unknown" }.should raise_error
ary.compact.each do |name|
lambda { name << "modified" }.should raise_error
end
end
end
ruby_version_is "" ... "1.8.7" do
it "defines UNIXEPOCH" do
Date::UNIXEPOCH.should == 2440588
end
end
ruby_version_is "1.8.7" ... "1.9.3"do
it "defines HALF_DAYS_IN_DAY" do
Date::HALF_DAYS_IN_DAY.should == Rational(1, 2)
end
it "defines HOURS_IN_DAY" do
Date::HOURS_IN_DAY.should == Rational(1, 24)
end
it "defines MINUTES_IN_DAY" do
Date::MINUTES_IN_DAY.should == Rational(1, 1440)
end
it "defines SECONDS_IN_DAY" do
Date::SECONDS_IN_DAY.should == Rational(1, 86400)
end
it "defines MILLISECONDS_IN_DAY" do
Date::MILLISECONDS_IN_DAY.should == Rational(1, 86400*10**3)
end
it "defines NANOSECONDS_IN_DAY" do
Date::NANOSECONDS_IN_DAY.should == Rational(1, 86400*10**9)
end
it "defines MILLISECONDS_IN_SECOND" do
Date::MILLISECONDS_IN_SECOND.should == Rational(1, 10**3)
end
it "defines NANOSECONDS_IN_SECOND" do
Date::NANOSECONDS_IN_SECOND.should == Rational(1, 10**9)
end
it "defines MJD_EPOCH_IN_AJD" do
Date::MJD_EPOCH_IN_AJD.should == Rational(4800001, 2) # 1858-11-17
end
it "defines UNIX_EPOCH_IN_AJD" do
Date::UNIX_EPOCH_IN_AJD.should == Rational(4881175, 2) # 1970-01-01
end
it "defines MJD_EPOCH_IN_CJD" do
Date::MJD_EPOCH_IN_CJD.should == 2400001
end
it "defines UNIX_EPOCH_IN_CJD" do
Date::UNIX_EPOCH_IN_CJD.should == 2440588
end
it "defines LD_EPOCH_IN_CJD" do
Date::LD_EPOCH_IN_CJD.should == 2299160
end
end
end
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