delegate.rb: get rid of global function interference

* lib/delegate.rb (Delegator#send): override to get rid of global function interference.
  [Fixes GH-449]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43682 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 12 insertions, 0 deletions

diff --git a/test/test_delegate.rb b/test/test_delegate.rb
index a09451b88f..d816a62bf5 100644
--- a/test/test_delegate.rb
+++ b/test/test_delegate.rb
@@ -133,4 +133,16 @@ class TestDelegateClass < Test::Unit::TestCase
     assert_raise(NoMethodError, '[ruby-dev:40314]#4') {d.delegate_test_private}
     assert_raise(NoMethodError, '[ruby-dev:40314]#5') {d.send(:delegate_test_private)}
   end
+
+  def test_global_function
+    klass = Class.new do
+      def open
+      end
+    end
+    obj = klass.new
+    d = SimpleDelegator.new(obj)
+    assert_nothing_raised(ArgumentError) {obj.open}
+    assert_nothing_raised(ArgumentError) {d.open}
+    assert_nothing_raised(ArgumentError) {d.send(:open)}
+  end
 end