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@@ -222,6 +222,11 @@ class ArrayToXmlTests < Test::Unit::TestCase
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     assert xml.include?(%(<count>2</count>)), xml
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   end
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+  
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+  def test_to_xml_with_empty
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+    xml = [].to_xml
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+    assert_match /type="array"\/>/, xml
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+  end
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 end
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 class ArrayExtractOptionsTests < Test::Unit::TestCase

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@@ -5,5 +5,6 @@ class BigDecimalTest < Test::Unit::TestCase
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     assert_equal("--- 100000.30020320320000000000000000000000000000001\n", BigDecimal.new('100000.30020320320000000000000000000000000000001').to_yaml)
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     assert_equal("--- .Inf\n", BigDecimal.new('Infinity').to_yaml)
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     assert_equal("--- .NaN\n", BigDecimal.new('NaN').to_yaml)
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+    assert_equal("--- -.Inf\n", BigDecimal.new('-Infinity').to_yaml)
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   end
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 end
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\ No newline at end of file

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@@ -197,6 +197,10 @@ class DateExtCalculationsTest < Test::Unit::TestCase
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     assert_equal Time.local(2005,2,21,23,59,59), Date.new(2005,2,21).end_of_day
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   end
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+  def test_date_acts_like_date
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+    assert Date.new.acts_like_date?
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+  end
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+  
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   def test_xmlschema
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     with_env_tz 'US/Eastern' do
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       assert_match(/^1980-02-28T00:00:00-05:?00$/, Date.new(1980, 2, 28).xmlschema)