diff --git a/test/integration/standard_filter_test.rb b/test/integration/standard_filter_test.rb
index 7ba9691..af88f4e 100644
--- a/test/integration/standard_filter_test.rb
+++ b/test/integration/standard_filter_test.rb
@@ -115,6 +115,13 @@ class StandardFiltersTest < Test::Unit::TestCase
     assert_equal [{"a" => 1}, {"a" => 2}, {"a" => 3}, {"a" => 4}], @filters.sort([{"a" => 4}, {"a" => 3}, {"a" => 1}, {"a" => 2}], "a")
   end
 
+  def test_numerical_vs_lexicographical_sort
+    assert_equal [2, 10], @filters.sort([10, 2])
+    assert_equal [{"a" => 2}, {"a" => 10}], @filters.sort([{"a" => 10}, {"a" => 2}], "a")
+    assert_equal ["10", "2"], @filters.sort(["10", "2"])
+    assert_equal [{"a" => "10"}, {"a" => "2"}], @filters.sort([{"a" => "10"}, {"a" => "2"}], "a")
+  end
+
   def test_reverse
     assert_equal [4,3,2,1], @filters.reverse([1,2,3,4])
   end