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class.c: always clear tables first

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* class.c (rb_mod_init_copy): always clear instance variable,
  constant and method tables first, regardless the source tables.
  [ruby-dev:48182] [Bug #9813]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-05-08 05:34:31 +00:00
parent 97cd982a3e
commit 7c072b35d1
3 changed files with 38 additions and 9 deletions
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19
test/ruby/test_module.rb
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@ -375,6 +375,25 @@ class TestModule < Test::Unit::TestCase
assert_equal(:ok, Object.new.extend(m).foo, bug9535)
end
def test_initialize_copy_empty
bug9813 = '[ruby-dev:48182] [Bug #9813]'
m = Module.new do
def x
end
const_set(:X, 1)
@x = 2
end
assert_equal([:x], m.instance_methods)
assert_equal([:@x], m.instance_variables)
assert_equal([:X], m.constants)
m.module_eval do
initialize_copy(Module.new)
end
assert_empty(m.instance_methods, bug9813)
assert_empty(m.instance_variables, bug9813)
assert_empty(m.constants, bug9813)
end
def test_dup
bug6454 = '[ruby-core:45132]'