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object.c: nested path const_defined?

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* object.c (rb_mod_const_defined): support nested class path as
  well as const_get.  [Feature #7414]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44194 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-12-14 02:25:58 +00:00
parent a68c69d196
commit 241ca7bfff
3 changed files with 103 additions and 10 deletions
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20
test/ruby/test_module.rb
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@ -303,6 +303,26 @@ class TestModule < Test::Unit::TestCase
end
end
def test_nested_defined
assert_send([Object, :const_defined?, [self.class.name, 'Other'].join('::')])
assert_send([self.class, :const_defined?, 'User::USER'])
assert_not_send([self.class, :const_defined?, 'User::Foo'])
end
def test_nested_defined_symbol
const = [self.class, Other].join('::').to_sym
assert_raise(NameError) {Object.const_defined?(const)}
const = [User, 'USER'].join('::').to_sym
assert_raise(NameError) {self.class.const_defined?(const)}
end
def test_nested_defined_bad_class
assert_raise(TypeError) do
self.class.const_defined?('User::USER::Foo')
end
end
def test_const_set
assert_not_operator(Other, :const_defined?, :KOALA)
Other.const_set(:KOALA, 99)