symbol.c: preserve encoding

* symbol.c (rb_check_id, rb_check_symbol): preserve encoding of
  the given name.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51175 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

symbol.c

@@ -963,9 +963,8 @@ rb_check_id(volatile VALUE *namep)
     else if (!RB_TYPE_P(name, T_STRING)) {
 	tmp = rb_check_string_type(name);
 	if (NIL_P(tmp)) {
-	    tmp = rb_inspect(name);
-	    rb_raise(rb_eTypeError, "%s is not a symbol nor a string",
-		     RSTRING_PTR(tmp));
+	    rb_raise(rb_eTypeError, "%+"PRIsVALUE" is not a symbol nor a string",
+		     name);
 	}
 	name = tmp;
 	*namep = name;
@@ -996,9 +995,8 @@ rb_check_symbol(volatile VALUE *namep)
     else if (!RB_TYPE_P(name, T_STRING)) {
 	tmp = rb_check_string_type(name);
 	if (NIL_P(tmp)) {
-	    tmp = rb_inspect(name);
-	    rb_raise(rb_eTypeError, "%s is not a symbol nor a string",
-		     RSTRING_PTR(tmp));
+	    rb_raise(rb_eTypeError, "%+"PRIsVALUE" is not a symbol nor a string",
+		     name);
 	}
 	name = tmp;
 	*namep = name;

test/-ext-/symbol/test_type.rb

@@ -120,5 +120,19 @@ module Test_Symbol
       assert_symtype(Bug::Symbol.attrset("foo!="), :attrset?)
       assert_equal(:"foo!=", Bug::Symbol.attrset(:foo!))
     end
+
+    def test_check_id_invalid_type
+      cx = EnvUtil.labeled_class("X\u{1f431}")
+      assert_raise_with_message(TypeError, /X\u{1F431}/) {
+        Bug::Symbol.pinneddown?(cx)
+      }
+    end
+
+    def test_check_symbol_invalid_type
+      cx = EnvUtil.labeled_class("X\u{1f431}")
+      assert_raise_with_message(TypeError, /X\u{1F431}/) {
+        Bug::Symbol.find(cx)
+      }
+    end
   end
 end

test/ruby/test_method.rb

@@ -251,6 +251,13 @@ class TestMethod < Test::Unit::TestCase
     m = o.method(:bar).unbind
     assert_raise(TypeError) { m.bind(Object.new) }
 
+    cx = EnvUtil.labeled_class("X\u{1f431}")
+    assert_raise_with_message(TypeError, /X\u{1f431}/) {
+      o.method(cx)
+    }
+  end
+
+  def test_bind_module_instance_method
     feature4254 = '[ruby-core:34267]'
     m = M.instance_method(:meth)
     assert_equal(:meth, m.bind(Object.new).call, feature4254)
@@ -276,6 +283,10 @@ class TestMethod < Test::Unit::TestCase
     assert_raise(TypeError) do
       Class.new.class_eval { define_method(:bar, o.method(:bar)) }
     end
+    cx = EnvUtil.labeled_class("X\u{1f431}")
+    assert_raise_with_message(TypeError, /X\u{1F431}/) {
+      Class.new {define_method(cx) {}}
+    }
   end
 
   def test_define_method_no_proc