object.c: error message encoding

* object.c (convert_type, rb_convert_type, rb_check_convert_type),
  (rb_to_integer): preserve class name encoding error messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44758 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 16 insertions, 0 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index 9250038264..fc1c209e99 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -221,6 +221,22 @@ class TestException < Test::Unit::TestCase
     assert_raise(ArgumentError) { raise 1, 1, 1, 1 }
   end
 
+  def test_type_error_message_encoding
+    c = eval("Module.new do break class C\u{4032}; self; end; end")
+    o = c.new
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      ""[o]
+    end
+    c.class_eval {def to_int; self; end}
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      ""[o]
+    end
+    c.class_eval {def to_a; self; end}
+    assert_raise_with_message(TypeError, /C\u{4032}/) do
+      [*o]
+    end
+  end
+
   def test_errat
     assert_in_out_err([], "p $@", %w(nil), [])