1 files changed, 4 insertions, 0 deletions
diff --git a/test/t/symbol.rb b/test/t/symbol.rb
index e9c310971..b28573e92 100644
--- a/test/t/symbol.rb
+++ b/test/t/symbol.rb
@@ -5,6 +5,10 @@ assert('Symbol', '15.2.11') do
   Symbol.class == Class
 end
 
+assert('Symbol superclass', '15.2.11.2') do
+  Symbol.superclass == Object
+end
+
 assert('Symbol#===', '15.2.11.3.1') do
   :abc === :abc and not :abc === :cba
 end