1 files changed, 57 insertions, 0 deletions
diff --git a/spec/rubyspec/library/date/shared/civil.rb b/spec/rubyspec/library/date/shared/civil.rb
new file mode 100644
index 0000000000..47dbed49fc
--- /dev/null
+++ b/spec/rubyspec/library/date/shared/civil.rb
@@ -0,0 +1,57 @@
+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
+end