object.c: preserve encodings

* object.c (rb_any_to_s, rb_obj_inspect): preserve encodings of class
  name and instance variable names.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 24 insertions, 0 deletions

diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
index 61482f7c1a..b8edd24670 100644
--- a/test/ruby/test_object.rb
+++ b/test/ruby/test_object.rb
@@ -688,6 +688,13 @@ class TestObject < Test::Unit::TestCase
     s = x.to_s
     assert_equal(true, s.untrusted?)
     assert_equal(true, s.tainted?)
+
+    x = eval(<<-EOS)
+      class ToS\u{3042}
+        new.to_s
+      end
+    EOS
+    assert_match(/\bToS\u{3042}:/, x)
   end
 
   def test_inspect
@@ -713,6 +720,23 @@ class TestObject < Test::Unit::TestCase
       "to_s"
     end
     assert_match(/\A#<Object:0x\h+>\z/, x.inspect, feature6130)
+
+    x = eval(<<-EOS)
+      class Inspect\u{3042}
+        new.inspect
+      end
+    EOS
+    assert_match(/\bInspect\u{3042}:/, x)
+
+    x = eval(<<-EOS)
+      class Inspect\u{3042}
+        def initialize
+          @\u{3044} = 42
+        end
+        new.inspect
+      end
+    EOS
+    assert_match(/\bInspect\u{3042}:.* @\u{3044}=42\b/, x)
   end
 
   def test_exec_recursive