diff options
| -rw-r--r-- | class.c | 2 | ||||
| -rw-r--r-- | test/ruby/test_module.rb | 20 |
2 files changed, 22 insertions, 0 deletions
@@ -567,6 +567,8 @@ rb_mod_init_copy(VALUE clone, VALUE orig) else { rb_bug("no origin for class that has origin"); } + + rb_class_update_superclasses(clone); } return clone; diff --git a/test/ruby/test_module.rb b/test/ruby/test_module.rb index 6bbe168348..c7245ab2db 100644 --- a/test/ruby/test_module.rb +++ b/test/ruby/test_module.rb @@ -572,6 +572,26 @@ class TestModule < Test::Unit::TestCase assert_equal(2, a2.b) end + def test_ancestry_of_duped_classes + m = Module.new + sc = Class.new + a = Class.new(sc) do + def b; 2 end + prepend m + end + + a2 = a.dup.new + + assert_kind_of Object, a2 + assert_kind_of sc, a2 + refute_kind_of a, a2 + assert_kind_of m, a2 + + assert_kind_of Class, a2.class + assert_kind_of sc.singleton_class, a2.class + assert_same sc, a2.class.superclass + end + def test_gc_prepend_chain assert_separately([], <<-EOS) 10000.times { |i| |