diff options
| -rw-r--r-- | src/class.c | 3 | ||||
| -rw-r--r-- | test/t/class.rb | 10 |
2 files changed, 6 insertions, 7 deletions
diff --git a/src/class.c b/src/class.c index f446c56bc..f94f9a933 100644 --- a/src/class.c +++ b/src/class.c @@ -1047,6 +1047,9 @@ mrb_instance_new(mrb_state *mrb, mrb_value cv) mrb_value *argv; int argc; + if (c->tt == MRB_TT_SCLASS) + mrb_raise(mrb, E_TYPE_ERROR, "can't create instance of singleton class"); + if (ttype == 0) ttype = MRB_TT_OBJECT; o = (struct RObject*)mrb_obj_alloc(mrb, ttype, c); obj = mrb_obj_value(o); diff --git a/test/t/class.rb b/test/t/class.rb index 13845a49f..c558c6437 100644 --- a/test/t/class.rb +++ b/test/t/class.rb @@ -30,13 +30,9 @@ assert('Class#initialize_copy', '15.2.3.3.2') do end assert('Class#new', '15.2.3.3.3') do - # at the moment no exception on singleton class - #e1 = nil - #begin - # class1 = e1.singleton_class.new - #rescue => e1 - # e2 = e1 - #end + assert_raise(TypeError, 'Singleton should raise TypeError') do + "a".singleton_class.new + end class TestClass def initialize args, &block |