From 6b8b66b40197a891b6e12ee8bd3f105f47be40be Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 13 Jan 2015 03:47:55 +0000
Subject: [PATCH] range.c: class name encoding

* range.c (range_bsearch): preserve encoding of class name in an
  exception message.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49228 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 range.c                 | 6 +++---
 test/ruby/test_range.rb | 4 ++++
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/range.c b/range.c
index ae16ae4dd5..92117650e8 100644
--- a/range.c
+++ b/range.c
@@ -608,9 +608,9 @@ range_bsearch(VALUE range)
 	    smaller = cmp < 0; \
 	} \
 	else { \
-	    rb_raise(rb_eTypeError, "wrong argument type %s" \
-		" (must be numeric, true, false or nil)", \
-		rb_obj_classname(v)); \
+	    rb_raise(rb_eTypeError, "wrong argument type %"PRIsVALUE \
+		     " (must be numeric, true, false or nil)", \
+		     rb_obj_class(v)); \
 	} \
     } while (0)
 
diff --git a/test/ruby/test_range.rb b/test/ruby/test_range.rb
index f81047df06..dc07a59fcd 100644
--- a/test/ruby/test_range.rb
+++ b/test/ruby/test_range.rb
@@ -378,6 +378,10 @@ class TestRange < Test::Unit::TestCase
     assert_raise(TypeError) do
       (1..42).bsearch{ "not ok" }
     end
+    c = eval("class C\u{309a 26a1 26c4 1f300};self;end")
+    assert_raise_with_message(TypeError, /C\u{309a 26a1 26c4 1f300}/) do
+      (1..42).bsearch {c.new}
+    end
     assert_equal (1..42).bsearch{}, (1..42).bsearch{false}
   end