Dump non-ASCII char as unsigned

Non-ASCII code may be negative on platforms plain char is signed.

1 files changed, 15 insertions, 0 deletions

diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index 1392447e4f..3b90319858 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -725,4 +725,19 @@ class TestObjSpace < Test::Unit::TestCase
       assert_equal '42', out[2]
     end
   end
+
+  def test_utf8_method_names
+    name = "utf8_❨╯°□°❩╯︵┻━┻"
+    obj = ObjectSpace.trace_object_allocations do
+      __send__(name)
+    end
+    dump = ObjectSpace.dump(obj)
+    assert_equal name, JSON.parse(dump)["method"], dump
+  end
+
+  private
+
+  def utf8_❨╯°□°❩╯︵┻━┻
+    "1#{2}"
+  end
 end