6 files changed, 87 insertions, 5 deletions
diff --git a/spec/ruby/library/datetime/new_spec.rb b/spec/ruby/library/datetime/new_spec.rb
index a8275a1951..14ef329d56 100644
--- a/spec/ruby/library/datetime/new_spec.rb
+++ b/spec/ruby/library/datetime/new_spec.rb
@@ -42,7 +42,7 @@ describe "DateTime.new" do
     DateTime.new(1, 2, 3, 4, 5, 6, 0.7).offset.should == 0.7
   end
 
-  it "takes the eigth argument as the date of calendar reform" do
+  it "takes the eighth argument as the date of calendar reform" do
     DateTime.new(1, 2, 3, 4, 5, 6, 0.7, Date::ITALY).start().should == Date::ITALY
   end
 
diff --git a/spec/ruby/library/datetime/now_spec.rb b/spec/ruby/library/datetime/now_spec.rb
index e8c93aa604..a5bf590aff 100644
--- a/spec/ruby/library/datetime/now_spec.rb
+++ b/spec/ruby/library/datetime/now_spec.rb
@@ -5,4 +5,21 @@ describe "DateTime.now" do
   it "creates an instance of DateTime" do
     DateTime.now.should be_an_instance_of(DateTime)
   end
+
+  it "sets the current date" do
+    (DateTime.now - Date.today).to_f.should be_close(0.0, 1.0)
+  end
+
+  it "sets the current time" do
+    dt = DateTime.now
+    now = Time.now
+    (dt.to_time - now).should be_close(0.0, 10.0)
+  end
+
+  it "grabs the local timezone" do
+    with_timezone("PDT", -8) do
+      dt = DateTime.now
+      dt.zone.should == "-08:00"
+    end
+  end
 end
diff --git a/spec/ruby/library/datetime/to_date_spec.rb b/spec/ruby/library/datetime/to_date_spec.rb
index 915e1ac87a..387eda9229 100644
--- a/spec/ruby/library/datetime/to_date_spec.rb
+++ b/spec/ruby/library/datetime/to_date_spec.rb
@@ -2,5 +2,36 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "DateTime#to_date" do
-  it "needs to be reviewed for spec completeness"
+  it "returns an instance of Date" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_date.should be_kind_of(Date)
+  end
+
+  it "maintains the same year" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_date.year.should == dt.year
+  end
+
+  it "maintains the same month" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_date.mon.should == dt.mon
+  end
+
+  it "maintains the same day" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_date.day.should == dt.day
+  end
+
+  it "maintains the same mday" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_date.mday.should == dt.mday
+  end
+
+  it "maintains the same julian day regardless of local time or zone" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+
+    with_timezone("Pactific/Pago_Pago", -11) do
+      dt.to_date.jd.should == dt.jd
+    end
+  end
 end
diff --git a/spec/ruby/library/datetime/to_datetime_spec.rb b/spec/ruby/library/datetime/to_datetime_spec.rb
index e289f8ce36..e4db9558f1 100644
--- a/spec/ruby/library/datetime/to_datetime_spec.rb
+++ b/spec/ruby/library/datetime/to_datetime_spec.rb
@@ -2,5 +2,8 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "DateTime#to_datetime" do
-  it "needs to be reviewed for spec completeness"
+  it "returns itself" do
+    dt = DateTime.new(2012, 12, 24, 12, 23, 00, '+05:00')
+    dt.to_datetime.should == dt
+  end
 end
diff --git a/spec/ruby/library/datetime/to_s_spec.rb b/spec/ruby/library/datetime/to_s_spec.rb
index 893cc93283..9d9dfc629f 100644
--- a/spec/ruby/library/datetime/to_s_spec.rb
+++ b/spec/ruby/library/datetime/to_s_spec.rb
@@ -2,5 +2,16 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "DateTime#to_s" do
-  it "needs to be reviewed for spec completeness"
+  it "returns a new String object" do
+    dt = DateTime.new(2012, 12, 24, 1, 2, 3, "+03:00")
+    dt.to_s.should be_kind_of(String)
+  end
+
+  it "maintains timezone regardless of local time" do
+    dt = DateTime.new(2012, 12, 24, 1, 2, 3, "+03:00")
+
+    with_timezone("Pactific/Pago_Pago", -11) do
+      dt.to_s.should == "2012-12-24T01:02:03+03:00"
+    end
+  end
 end
diff --git a/spec/ruby/library/datetime/to_time_spec.rb b/spec/ruby/library/datetime/to_time_spec.rb
index aa2902930c..f5b7cb8a23 100644
--- a/spec/ruby/library/datetime/to_time_spec.rb
+++ b/spec/ruby/library/datetime/to_time_spec.rb
@@ -2,5 +2,25 @@ require File.expand_path('../../../spec_helper', __FILE__)
 require 'date'
 
 describe "DateTime#to_time" do
-  it "needs to be reviewed for spec completeness"
+  it "yields a new Time object" do
+    DateTime.now.to_time.should be_kind_of(Time)
+  end
+
+  ruby_version_is "2.4" do
+    it "preserves the same time regardless of local time or zone" do
+      date = DateTime.new(2012, 12, 24, 12, 23, 00, '+03:00')
+
+      with_timezone("Pactific/Pago_Pago", -11) do
+        time = date.to_time
+
+        time.utc_offset.should == 3 * 3600
+        time.year.should == date.year
+        time.mon.should == date.mon
+        time.day.should == date.day
+        time.hour.should == date.hour
+        time.min.should == date.min
+        time.sec.should == date.sec
+      end
+    end
+  end
 end