test case for #limit added - picking latest value from limit

activerecord/test/cases/base_test.rb

@@ -121,6 +121,10 @@ def test_limit_without_comma
     assert_equal 1, Topic.limit(1).to_a.length
   end
 
+  def test_limit_should_take_value_from_latest_limit
+    assert_equal 1, Topic.limit(2).limit(1).to_a.length
+  end
+
   def test_invalid_limit
     assert_raises(ArgumentError) do
       Topic.limit("asdfadf").to_a