1 files changed, 7 insertions, 0 deletions
diff --git a/activesupport/test/json/encoding_test.rb b/activesupport/test/json/encoding_test.rb
index a947635f4a..7ed71f9abc 100644
--- a/activesupport/test/json/encoding_test.rb
+++ b/activesupport/test/json/encoding_test.rb
@@ -85,6 +85,13 @@ class TestJSONEncoding < ActiveSupport::TestCase
     end
   end
 
+  def test_json_variable
+    assert_deprecated do
+      assert_equal ActiveSupport::JSON::Variable.new('foo'), 'foo'
+      assert_equal ActiveSupport::JSON::Variable.new('alert("foo")'), 'alert("foo")'
+    end
+  end
+
   def test_hash_encoding
     assert_equal %({\"a\":\"b\"}), ActiveSupport::JSON.encode(:a => :b)
     assert_equal %({\"a\":1}), ActiveSupport::JSON.encode('a' => 1)