diff --git a/actionpack/test/controller/cgi_test.rb b/actionpack/test/controller/cgi_test.rb
index 45d4cf686c25e0f3d47663de9594789e89aebb58..174fe96952bf60e92de8356bc0d571f551c02d63 100755
--- a/actionpack/test/controller/cgi_test.rb
+++ b/actionpack/test/controller/cgi_test.rb
@@ -35,6 +35,12 @@ def test_deep_query_string_with_array
     assert_equal({'x' => {'y' => {'z' => ['10', '5']}}}, CGIMethods.parse_query_parameters('x[y][z][]=10&x[y][z][]=5'))
   end
 
+  def test_deep_query_string_with_array_of_hash
+    assert_equal({'x' => {'y' => [{'z' => '10'}]}}, CGIMethods.parse_query_parameters('x[y][][z]=10'))
+    assert_equal({'x' => {'y' => [{'z' => '10', 'w' => '10'}]}}, CGIMethods.parse_query_parameters('x[y][][z]=10&x[y][][w]=10'))
+    assert_equal({'x' => [{'y' => {'z' => '10', 'w' => '10'}}]}, CGIMethods.parse_query_parameters('x[][y][z]=10&x[][y][w]=10'))
+  end
+
   def test_deep_query_string_with_array_of_hashes_with_one_pair
     assert_equal({'x' => {'y' => [{'z' => '10'}, {'z' => '20'}]}}, CGIMethods.parse_query_parameters('x[y][][z]=10&x[y][][z]=20'))
   end