hash.c: set encoding

* hash.c (env_assoc): the encoding of the value should be the
  locale, as well as other methods, [], fetch, values, etc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/test/ruby/test_env.rb b/test/ruby/test_env.rb
index 17323ccf95..77e83863c5 100644
--- a/test/ruby/test_env.rb
+++ b/test/ruby/test_env.rb
@@ -319,6 +319,8 @@ class TestEnv < Test::Unit::TestCase
       assert_equal("foo", v)
     end
     assert_invalid_env {|var| ENV.assoc(var)}
+    assert_predicate(v, :tainted?)
+    assert_equal(Encoding.find("locale"), v.encoding)
   end
 
   def test_has_value2