lib/ostruct.rb: Fix returned value of each_pair.

From a patch by Marcus Stollsteimer. [Fixes #13169]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57515 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/test/ostruct/test_ostruct.rb b/test/ostruct/test_ostruct.rb
index aeccc9209a..7df5200ca1 100644
--- a/test/ostruct/test_ostruct.rb
+++ b/test/ostruct/test_ostruct.rb
@@ -141,6 +141,7 @@ class TC_OpenStruct < Test::Unit::TestCase
   def test_each_pair
     h = {name: "John Smith", age: 70, pension: 300}
     os = OpenStruct.new(h)
+    assert_same os, os.each_pair{ }
     assert_equal '#<Enumerator: #<OpenStruct name="John Smith", age=70, pension=300>:each_pair>', os.each_pair.inspect
     assert_equal [[:name, "John Smith"], [:age, 70], [:pension, 300]], os.each_pair.to_a
     assert_equal 3, os.each_pair.size