3 files changed, 10 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/array_ext_test.rb b/activesupport/test/core_ext/array_ext_test.rb
index ccab0f70d0..20bc5dfcb7 100644
--- a/activesupport/test/core_ext/array_ext_test.rb
+++ b/activesupport/test/core_ext/array_ext_test.rb
@@ -222,6 +222,11 @@ class ArrayToXmlTests < Test::Unit::TestCase
 
     assert xml.include?(%(<count>2</count>)), xml
   end
+  
+  def test_to_xml_with_empty
+    xml = [].to_xml
+    assert_match /type="array"\/>/, xml
+  end
 end
 
 class ArrayExtractOptionsTests < Test::Unit::TestCase
diff --git a/activesupport/test/core_ext/bigdecimal.rb b/activesupport/test/core_ext/bigdecimal.rb
index 0417a2bca0..9faad9146f 100644
--- a/activesupport/test/core_ext/bigdecimal.rb
+++ b/activesupport/test/core_ext/bigdecimal.rb
@@ -5,5 +5,6 @@ class BigDecimalTest < Test::Unit::TestCase
     assert_equal("--- 100000.30020320320000000000000000000000000000001\n", BigDecimal.new('100000.30020320320000000000000000000000000000001').to_yaml)
     assert_equal("--- .Inf\n", BigDecimal.new('Infinity').to_yaml)
     assert_equal("--- .NaN\n", BigDecimal.new('NaN').to_yaml)
+    assert_equal("--- -.Inf\n", BigDecimal.new('-Infinity').to_yaml)
   end
 end
 \ No newline at end of file
diff --git a/activesupport/test/core_ext/date_ext_test.rb b/activesupport/test/core_ext/date_ext_test.rb
index e1d2f0e7f2..11b6056047 100644
--- a/activesupport/test/core_ext/date_ext_test.rb
+++ b/activesupport/test/core_ext/date_ext_test.rb
@@ -198,6 +198,10 @@ class DateExtCalculationsTest < Test::Unit::TestCase
     assert_equal Time.local(2005,2,21,23,59,59), Date.new(2005,2,21).end_of_day
   end
   
+  def test_date_acts_like_date
+    assert Date.new.acts_like_date?
+  end
+  
   def test_xmlschema
     with_env_tz 'US/Eastern' do
       assert_match(/^1980-02-28T00:00:00-05:?00$/, Date.new(1980, 2, 28).xmlschema)