1 files changed, 14 insertions, 1 deletions
diff --git a/spec/rubocop/cop/gitlab/json_spec.rb b/spec/rubocop/cop/gitlab/json_spec.rb
index 66b2c675e80..7998f26da4e 100644
--- a/spec/rubocop/cop/gitlab/json_spec.rb
+++ b/spec/rubocop/cop/gitlab/json_spec.rb
@@ -6,7 +6,7 @@ require_relative '../../../../rubocop/cop/gitlab/json'
 RSpec.describe RuboCop::Cop::Gitlab::Json do
   subject(:cop) { described_class.new }
 
-  context 'when JSON is called' do
+  context 'when ::JSON is called' do
     it 'registers an offense' do
       expect_offense(<<~RUBY)
         class Foo
@@ -18,4 +18,17 @@ RSpec.describe RuboCop::Cop::Gitlab::Json do
       RUBY
     end
   end
+
+  context 'when ActiveSupport::JSON is called' do
+    it 'registers an offense' do
+      expect_offense(<<~RUBY)
+        class Foo
+          def bar
+            ActiveSupport::JSON.parse('{ "foo": "bar" }')
+            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Avoid calling `JSON` directly. [...]
+          end
+        end
+      RUBY
+    end
+  end
 end