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describe :date_civil, :shared => true do
it "creates a Date for -4712 by default" do
# the #chomp calls are necessary because of RSpec
d = Date.send(@method)
d.year.should == -4712
d.month.should == 1
d.day.should == 1
d.julian?.should == true
d.jd.should == 0
end
it "creates a date with arguments" do
d = Date.send(@method, 2000, 3, 5)
d.year.should == 2000
d.month.should == 3
d.day.should == 5
d.julian?.should == false
d.jd.should == 2451609
# Should also work with years far in the past and future
d = Date.send(@method, -9000, 7, 5)
d.year.should == -9000
d.month.should == 7
d.day.should == 5
d.julian?.should == true
d.jd.should == -1566006
d = Date.send(@method, 9000, 10, 14)
d.year.should == 9000
d.month.should == 10
d.day.should == 14
d.julian?.should == false
d.jd.should == 5008529
end
it "doesn't create dates for invalid arguments" do
lambda { Date.send(@method, 2000, 13, 31) }.should raise_error(ArgumentError)
lambda { Date.send(@method, 2000, 12, 32) }.should raise_error(ArgumentError)
lambda { Date.send(@method, 2000, 2, 30) }.should raise_error(ArgumentError)
lambda { Date.send(@method, 1900, 2, 29) }.should raise_error(ArgumentError)
lambda { Date.send(@method, 2000, 2, 29) }.should_not raise_error(ArgumentError)
lambda { Date.send(@method, 1582, 10, 14) }.should raise_error(ArgumentError)
lambda { Date.send(@method, 1582, 10, 15) }.should_not raise_error(ArgumentError)
end
it "creates a Date for different calendar reform dates" do
d1 = Date.send(@method, 1582, 10, 4)
d1.succ.day.should == 15
d2 = Date.send(@method, 1582, 10, 4, Date::ENGLAND)
d2.succ.day.should == 5
end
ruby_version_is ""..."1.9.3" do
it "chooses an arbitrary reform date" do
r = Date.send(@method, 2000, 2, 3)
d3 = Date.send(@method, 2000, 2, 3, r.jd)
(d3 - 1).day.should == 20
(d3 - 1).month.should == 1
lambda { Date.send(@method, 2000, 2, 2, r.jd) }.should raise_error(ArgumentError)
end
end
end
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