From b09eabd430d92cdae011bb7ad08a3300049a4392 Mon Sep 17 00:00:00 2001 From: shugo Date: Sat, 6 Feb 2010 15:26:34 +0000 Subject: [PATCH] * class.c (rb_class_init_copy): raise a TypeError if the argument is BasicObject. [ruby-core:27060] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26607 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ChangeLog | 5 +++++ class.c | 3 +++ test/ruby/test_class.rb | 2 ++ 3 files changed, 10 insertions(+) diff --git a/ChangeLog b/ChangeLog index c91921fd56..b51a4050e6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +Sun Feb 7 00:23:21 2010 Shugo Maeda + + * class.c (rb_class_init_copy): raise a TypeError if the argument is + BasicObject. [ruby-core:27060] + Sat Feb 6 23:37:11 2010 Shugo Maeda * lib/net/ftp.rb (initialize): set @sock to a NullSocket instance to diff --git a/class.c b/class.c index 6674ae1a9d..fed2edf4ee 100644 --- a/class.c +++ b/class.c @@ -180,6 +180,9 @@ rb_mod_init_copy(VALUE clone, VALUE orig) VALUE rb_class_init_copy(VALUE clone, VALUE orig) { + if (orig == rb_cBasicObject) { + rb_raise(rb_eTypeError, "can't copy the root class"); + } if (RCLASS_SUPER(clone) != 0 || clone == rb_cBasicObject) { rb_raise(rb_eTypeError, "already initialized class"); } diff --git a/test/ruby/test_class.rb b/test/ruby/test_class.rb index b444d4e8ab..3a0ced8be7 100644 --- a/test/ruby/test_class.rb +++ b/test/ruby/test_class.rb @@ -181,6 +181,8 @@ class TestClass < Test::Unit::TestCase o = Object.new c = class << o; self; end assert_raise(TypeError) { c.dup } + + assert_raise(TypeError) { BasicObject.dup } end def test_singleton_class