1 files changed, 27 insertions, 0 deletions
diff --git a/spec/ruby/library/time/to_datetime_spec.rb b/spec/ruby/library/time/to_datetime_spec.rb
new file mode 100644
index 0000000000..54655963c6
--- /dev/null
+++ b/spec/ruby/library/time/to_datetime_spec.rb
@@ -0,0 +1,27 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'time'
+
+describe "Time#to_datetime" do
+  it "returns a DateTime representing the same instant" do
+    time = Time.utc(3, 12, 31, 23, 58, 59)
+    datetime = time.to_datetime
+    datetime.year.should == 3
+    datetime.month.should == 12
+    datetime.day.should == 31
+    datetime.hour.should == 23
+    datetime.min.should == 58
+    datetime.sec.should == 59
+  end
+
+  it "roundtrips" do
+    time = Time.utc(3, 12, 31, 23, 58, 59)
+    datetime = time.to_datetime
+    datetime.to_time.utc.should == time
+  end
+
+  it "yields a DateTime with the default Calendar reform day" do
+    Time.utc(1582, 10,  4, 1, 2, 3).to_datetime.start.should == Date::ITALY
+    Time.utc(1582, 10, 14, 1, 2, 3).to_datetime.start.should == Date::ITALY
+    Time.utc(1582, 10, 15, 1, 2, 3).to_datetime.start.should == Date::ITALY
+  end
+end