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describe :date_valid_civil?, shared: true do
# reference:
# October 1582 (the Gregorian calendar, Civil Date)
# S M Tu W Th F S
# 1 2 3 4 15 16
# 17 18 19 20 21 22 23
# 24 25 26 27 28 29 30
# 31
it "returns true if it is a valid civil date" do
Date.send(@method, 1582, 10, 15).should be_true
Date.send(@method, 1582, 10, 14, Date::ENGLAND).should be_true
end
it "returns false if it is not a valid civil date" do
Date.send(@method, 1582, 10, 14).should == false
end
it "handles negative months and days" do
# October 1582 (the Gregorian calendar, Civil Date)
# S M Tu W Th F S
# -21 -20 -19 -18 -17 -16
# -15 -14 -13 -12 -11 -10 -9
# -8 -7 -6 -5 -4 -3 -2
# -1
Date.send(@method, 1582, -3, -22).should be_false
Date.send(@method, 1582, -3, -21).should be_true
Date.send(@method, 1582, -3, -18).should be_true
Date.send(@method, 1582, -3, -17).should be_true
Date.send(@method, 2007, -11, -10).should be_true
Date.send(@method, 2008, -11, -10).should be_true
end
end
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