From 8b9afe6520eddc81c7edb1328f1543e9df7fea2f Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 19 Sep 2014 01:46:42 +0000
Subject: error.c: preserve encoding

* error.c (rb_error_frozen_object): preserve encoding of class
  name in error message.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47634 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_object.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/ruby/test_object.rb')

diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index 8efbf82646..c132079c1f 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -68,6 +68,17 @@ class TestObject < Test::Unit::TestCase
     assert_equal(true, nil.frozen?)
   end
 
+  def test_frozen_error_message
+    name = "C\u{30c6 30b9 30c8}"
+    klass = EnvUtil.labeled_class(name) {
+      attr_accessor :foo
+    }
+    obj = klass.new.freeze
+    assert_raise_with_message(RuntimeError, /#{name}/) {
+      obj.foo = 1
+    }
+  end
+
   def test_nil_to_f
     assert_equal(0.0, nil.to_f)
   end
-- 
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