1 files changed, 13 insertions, 5 deletions
diff --git a/mrbgems/mruby-class-ext/test/module.rb b/mrbgems/mruby-class-ext/test/module.rb
index 52e04ab37..2a28ee4cf 100644
--- a/mrbgems/mruby-class-ext/test/module.rb
+++ b/mrbgems/mruby-class-ext/test/module.rb
@@ -1,3 +1,11 @@
+def assert_module_name(exp, mod)
+  assert "assert_module_name" do
+    act = mod.__send__(:name)
+    assert_equal exp, act
+    assert_predicate act, :frozen?
+  end
+end
+
 assert 'Module#<' do
   a = Class.new
   b = Class.new(a)
@@ -58,17 +66,17 @@ assert 'Module#name' do
     const_set :SetInner, Class.new
   end
 
-  assert_equal 'Outer', Outer.name
-  assert_equal 'Outer::Inner', Outer::Inner.name
-  assert_equal 'Outer::SetInner', Outer::SetInner.name
+  assert_module_name 'Outer', Outer
+  assert_module_name 'Outer::Inner', Outer::Inner
+  assert_module_name 'Outer::SetInner', Outer::SetInner
 
   outer = Module.new do
     const_set :SetInner, Class.new
   end
   Object.const_set :SetOuter, outer
 
-  assert_equal 'SetOuter', SetOuter.name
-  assert_equal 'SetOuter::SetInner', SetOuter::SetInner.name
+  assert_module_name 'SetOuter', SetOuter
+  assert_module_name 'SetOuter::SetInner', SetOuter::SetInner
 
   mod = Module.new
   cls = Class.new