3 files changed, 13 insertions, 1 deletions
diff --git a/activesupport/test/core_ext/date_ext_test.rb b/activesupport/test/core_ext/date_ext_test.rb
index 05835a5fed..0023d48c1a 100644
--- a/activesupport/test/core_ext/date_ext_test.rb
+++ b/activesupport/test/core_ext/date_ext_test.rb
@@ -23,6 +23,8 @@ class DateExtCalculationsTest < Test::Unit::TestCase
 
   def test_to_datetime
     assert_equal DateTime.civil(2005, 2, 21), Date.new(2005, 2, 21).to_datetime
+    assert_equal 0, Date.new(2005, 2, 21).to_datetime.offset # use UTC offset
+    assert_equal ::Date::ITALY, Date.new(2005, 2, 21).to_datetime.start # use Ruby's default start value
   end
 
   def test_to_date
diff --git a/activesupport/test/core_ext/string_ext_test.rb b/activesupport/test/core_ext/string_ext_test.rb
index 9c199e1e79..722bb24a37 100644
--- a/activesupport/test/core_ext/string_ext_test.rb
+++ b/activesupport/test/core_ext/string_ext_test.rb
@@ -83,8 +83,16 @@ class StringInflectionsTest < Test::Unit::TestCase
     assert_equal Time.local(2005, 2, 27, 23, 50), "2005-02-27 23:50".to_time(:local)
     assert_equal DateTime.civil(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_time
     assert_equal Time.local_time(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_time(:local)
-    assert_equal Date.new(2005, 2, 27), "2005-02-27".to_date
+  end
+  
+  def test_string_to_datetime
     assert_equal DateTime.civil(2039, 2, 27, 23, 50), "2039-02-27 23:50".to_datetime
+    assert_equal 0, "2039-02-27 23:50".to_datetime.offset # use UTC offset
+    assert_equal ::Date::ITALY, "2039-02-27 23:50".to_datetime.start # use Ruby's default start value
+  end
+  
+  def test_string_to_date
+    assert_equal Date.new(2005, 2, 27), "2005-02-27".to_date
   end
 
   def test_access
diff --git a/activesupport/test/core_ext/time_ext_test.rb b/activesupport/test/core_ext/time_ext_test.rb
index fb60892b69..c0bd12d2ae 100644
--- a/activesupport/test/core_ext/time_ext_test.rb
+++ b/activesupport/test/core_ext/time_ext_test.rb
@@ -334,6 +334,7 @@ class TimeExtCalculationsTest < Test::Unit::TestCase
     with_timezone 'NZ' do
       assert_equal Time.local(2005, 2, 21, 17, 44, 30).to_datetime, DateTime.civil(2005, 2, 21, 17, 44, 30, Rational(Time.local(2005, 2, 21, 17, 44, 30).utc_offset, 86400), 0)
     end
+    assert_equal ::Date::ITALY, Time.utc(2005, 2, 21, 17, 44, 30).to_datetime.start # use Ruby's default start value
   end
 
   def test_to_time
@@ -378,6 +379,7 @@ class TimeExtCalculationsTest < Test::Unit::TestCase
     assert_equal Time.time_with_datetime_fallback(:utc, 2039), DateTime.civil(2039, 1, 1, 0, 0, 0, 0, 0)
     assert_equal Time.time_with_datetime_fallback(:utc, 2005, 2, 21, 17, 44, 30, 1), Time.utc(2005, 2, 21, 17, 44, 30, 1) #with usec
     assert_equal Time.time_with_datetime_fallback(:utc, 2039, 2, 21, 17, 44, 30, 1), DateTime.civil(2039, 2, 21, 17, 44, 30, 0, 0)
+    assert_equal ::Date::ITALY, Time.time_with_datetime_fallback(:utc, 2039, 2, 21, 17, 44, 30, 1).start # use Ruby's default start value
   end
 
   def test_utc_time