preserve encodings in error messages

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51962 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index b4567d9187..af69d86d6b 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -302,6 +302,10 @@ class TestException < Test::Unit::TestCase
     assert_raise_with_message(TypeError, /C\u{4032}/) do
       [*o]
     end
+    obj = eval("class C\u{1f5ff}; self; end").new
+    assert_raise_with_message(TypeError, /C\u{1f5ff}/) do
+      Class.new {include obj}
+    end
   end
 
   def test_errat