From 4e61f6d31d6adc76ce1694d921fa6201ae4e0046 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 8 Mar 2017 07:34:13 +0000
Subject: proc.c: preserve class name encoding in Proc#to_s

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57808 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_proc.rb | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index b46c0a901b..3a0b707885 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -1174,6 +1174,8 @@ class TestProc < Test::Unit::TestCase
     x = proc {}
     x.taint
     assert_predicate(x.to_s, :tainted?)
+    name = "Proc\u{1f37b}"
+    assert_include(EnvUtil.labeled_class(name, Proc).new {}.to_s, name)
   end
 
   @@line_of_source_location_test = __LINE__ + 1
-- 
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