diff --git a/src/test/clojure/clojure/tools/analyzer/jvm/core_test.clj b/src/test/clojure/clojure/tools/analyzer/jvm/core_test.clj
index 7828ac0..8fc501b 100644
--- a/src/test/clojure/clojure/tools/analyzer/jvm/core_test.clj
+++ b/src/test/clojure/clojure/tools/analyzer/jvm/core_test.clj
@@ -108,3 +108,6 @@
 (deftest analyze+eval-context-test
   (let [do-ast (ana.jvm/analyze+eval '(do 1 2 3))]
     (is (= :ctx/statement (-> do-ast :statements first :env :context)))))
+
+(deftest array_class
+  (is (ast1 (fn [^{:tag int/2} x] (instance? int/2 x)))))