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* object.c (Init_Object): use rb_mod_init_copy for Class#initialize_copy

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* class.c (rb_class_init_copy): rename to class_init_copy_check, performs type
	  checks on arguments to prevent reinitialization of initialized class
	  [ruby-core:50869] [Bug #7557]
	* class.c (rb_mod_init_copy): use class_init_copy_check if receiver is T_CLASS
	* test/ruby/test_class.rb (class TestClass): related test


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
charliesome 2012-12-13 14:11:01 +00:00
parent 6b4687e605
commit c01f06089f
4 changed files with 41 additions and 17 deletions
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15
test/ruby/test_class.rb
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@ -270,4 +270,19 @@ class TestClass < Test::Unit::TestCase
bug5274 = StrClone.new("[ruby-dev:44460]")
assert_equal(bug5274, Marshal.load(Marshal.dump(bug5274)))
end
def test_cannot_reinitialize_class_with_initialize_copy # [ruby-core:50869]
assert_in_out_err([], <<-RUBY, ["Object"], [])
class Class
def initialize_copy(*); super; end
end
class A; end
class B; end
A.send(:initialize_copy, Class.new(B)) rescue nil
p A.superclass
RUBY
end
end