error.c: name_err_local_variables

* error.c (name_err_local_variables): new method
  NameError#local_variables for internal use only.
  [Feature #11777]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52942 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index fd58ed5933..707a99f805 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -688,6 +688,16 @@ end.join
     assert_equal(:foo, e.name)
     assert_equal([1, 2], e.args)
     assert_same(obj, e.receiver)
+    def obj.test(a, b=nil, *c, &d)
+      e = a
+      1.times {|f| g = foo}
+    end
+    e = assert_raise(NameError) {
+      obj.test(3)
+    }
+    assert_equal(:foo, e.name)
+    assert_same(obj, e.receiver)
+    assert_equal(%i[a b c d e f g], e.local_variables.sort)
   end
 
   def test_output_string_encoding