1 files changed, 4 insertions, 0 deletions
diff --git a/test/t/module.rb b/test/t/module.rb
index a5331e96d..95fbb7a86 100644
--- a/test/t/module.rb
+++ b/test/t/module.rb
@@ -5,6 +5,10 @@ assert('Module', '15.2.2') do
   Module.class == Class
 end
 
+assert('Module superclass', '15.2.2.2') do
+  Module.superclass == Object
+end
+
 assert('Module#const_defined?', '15.2.2.4.20') do
   module Test4ConstDefined
     Const4Test4ConstDefined = true