diff options
Diffstat (limited to 'test/ruby/test_class.rb')
-rw-r--r-- | test/ruby/test_class.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb index 963c497d2f..9a4cdb0f58 100644 --- a/test/ruby/test_class.rb +++ b/test/ruby/test_class.rb @@ -384,4 +384,13 @@ class TestClass < Test::Unit::TestCase Class.new.freeze.clone.to_s } end + + def test_singleton_class_of_frozen_object + obj = Object.new + c = obj.singleton_class + obj.freeze + assert_raise(RuntimeError, /frozen object/) { + c.class_eval {def f; end} + } + end end |