nobu	2014-05-26 16:00:02 +0900 (Mon, 26 May 2014)

  New Revision: 46135

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=46135

  Log:
    thread.c: preserve encoding
    
    * thread.c (rb_thread_inspect): preserve encoding of the class
      name.

  Modified files:
    trunk/test/ruby/test_thread.rb
    trunk/thread.c
Index: thread.c
===================================================================
--- thread.c	(revision 46134)
+++ thread.c	(revision 46135)
@@ -2679,14 +2679,14 @@ rb_thread_safe_level(VALUE thread) https://github.com/ruby/ruby/blob/trunk/thread.c#L2679
 static VALUE
 rb_thread_inspect(VALUE thread)
 {
-    const char *cname = rb_obj_classname(thread);
+    VALUE cname = rb_class_path(rb_obj_class(thread));
     rb_thread_t *th;
     const char *status;
     VALUE str;
 
     GetThreadPtr(thread, th);
     status = thread_status_name(th);
-    str = rb_sprintf("#<%s:%p %s>", cname, (void *)thread, status);
+    str = rb_sprintf("#<%"PRIsVALUE":%p %s>", cname, (void *)thread, status);
     OBJ_INFECT(str, thread);
 
     return str;
Index: test/ruby/test_thread.rb
===================================================================
--- test/ruby/test_thread.rb	(revision 46134)
+++ test/ruby/test_thread.rb	(revision 46135)
@@ -27,6 +27,13 @@ class TestThread < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_thread.rb#L27
     end
   end
 
+  def test_inspect
+    th = Module.new {break module_eval("class C\u{30b9 30ec 30c3 30c9} < Thread; self; end")}.start{}
+    assert_match(/::C\u{30b9 30ec 30c3 30c9}:/, th.inspect)
+  ensure
+    th.join
+  end
+
   def test_main_thread_variable_in_enumerator
     assert_equal Thread.main, Thread.current
 

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