2 files changed, 17 insertions, 1 deletions
diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb
index 409fc49e4e..8fe1272314 100644
--- a/test/ruby/test_class.rb
+++ b/test/ruby/test_class.rb
@@ -150,7 +150,15 @@ class TestClass < Test::Unit::TestCase
       Class.new do
         define_method(:foo) do end
         alias bar foo
-        alias barf oo
+        alias bar foo
+      end
+    end
+    assert_equal("", stderr)
+
+    stderr = EnvUtil.verbose_warning do
+      Class.new do
+        def foo; end
+        undef foo
       end
     end
     assert_equal("", stderr)
diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb
index c50cd38b79..59c965325f 100644
--- a/test/ruby/test_module.rb
+++ b/test/ruby/test_module.rb
@@ -845,5 +845,13 @@ class TestModule < Test::Unit::TestCase
       end
     end
     assert_equal("", stderr, '[ruby-dev:39397]')
+
+    stderr = EnvUtil.verbose_warning do
+      Module.new do
+        def foo; end
+        undef foo
+      end
+    end
+    assert_equal("", stderr)
   end
 end