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class.c: do not freeze meta-meta-class

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* class.c (rb_freeze_singleton_class): should not propagate to
  meta-meta-class, and so on, which is shared with the original
  class.  fix occational exceptions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47633 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-09-19 01:45:45 +00:00
parent c7d0edb5b6
commit d9a597408f
3 changed files with 29 additions and 6 deletions
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15
test/ruby/test_module.rb
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@ -914,25 +914,34 @@ class TestModule < Test::Unit::TestCase
assert_include(c.constants(false), :Foo, bug9413)
end
def test_frozen_class
def test_frozen_module
m = Module.new
m.freeze
assert_raise(RuntimeError) do
m.instance_eval { undef_method(:foo) }
end
end
def test_frozen_class
c = Class.new
c.freeze
assert_raise(RuntimeError) do
c.instance_eval { undef_method(:foo) }
end
end
o = Object.new
def test_frozen_singleton_class
klass = Class.new
o = klass.new
c = class << o; self; end
c.freeze
assert_raise(RuntimeError) do
assert_raise_with_message(RuntimeError, /frozen/) do
c.instance_eval { undef_method(:foo) }
end
klass.class_eval do
def self.foo
end
end
end
def test_method_defined