From 4cfbf8ec95cb321e494a47fe0c82447f2ddbc872 Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 29 Mar 2016 13:30:22 +0000
Subject: merge revision(s) 53695: [Backport #12030]

	* vm_eval.c (rb_check_funcall_with_hook): also should call the
	  given hook before returning Qundef when overridden respond_to?
	  method returned false.  [ruby-core:73556] [Bug #12030]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@54402 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_hash.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test')

diff --git a/test/ruby/test_hash.rb b/test/ruby/test_hash.rb
index 6ee029722a..83c52a0c73 100644
--- a/test/ruby/test_hash.rb
+++ b/test/ruby/test_hash.rb
@@ -1316,6 +1316,15 @@ class TestHash < Test::Unit::TestCase
     assert_equal({dug: [:foo, :bar]}, h.dig(:d, :foo, :bar))
   end
 
+  def test_dig_with_respond_to
+    bug12030 = '[ruby-core:73556] [Bug #12030]'
+    o = Object.new
+    def o.respond_to?(*args)
+      super
+    end
+    assert_raise(TypeError) {{foo: o}.dig(:foo, :foo)}
+  end
+
   def test_cmp
     h1 = {a:1, b:2}
     h2 = {a:1, b:2, c:3}
-- 
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