* lib/delegate.rb (Delegator::public_api): take snapshot of

  public method at the beginning time.

* lib/delegate.rb (SimpleDelegator#initialize): use
  Delegator.public_api since public_method might be added after
  initialization.  [ruby-dev:39383]

* lib/delegate.rb (DelegateClass): ditto.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@25245 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 22 insertions, 0 deletions

diff --git a/test/test_delegate.rb b/test/test_delegate.rb
index 0b4c117eb..aecabe147 100644
--- a/test/test_delegate.rb
+++ b/test/test_delegate.rb
@@ -29,4 +29,26 @@ class TestDelegateClass < Test::Unit::TestCase
     simple=SimpleDelegator.new([])
     assert_equal(SimpleDelegator,simple.class)
   end
+
+  class Object
+    def m
+      :o
+    end
+  end
+
+  class Foo
+    def m
+      :m
+    end
+  end
+
+  class Bar < DelegateClass(Foo)
+  end
+
+  def test_override
+    assert_equal(:o, Object.new.m)
+    assert_equal(:m, Foo.new.m)
+    assert_equal(:m, SimpleDelegator.new(Foo.new).m)
+    assert_equal(:m, Bar.new(Foo.new).m)
+  end
 end