From bd046764e31267c83e7ae515d9bc7f09ffaa5b95 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 29 Mar 2023 18:42:46 +0900
Subject: [Bug #19549] Check for variables to be interpolated

---
 test/ruby/test_parse.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb
index cf989d190b..957a37eb81 100644
--- a/test/ruby/test_parse.rb
+++ b/test/ruby/test_parse.rb
@@ -1443,6 +1443,11 @@ x = __ENCODING__
     assert_equal(expected, obj.arg)
   end
 
+  def test_ungettable_gvar
+    assert_syntax_error('$01234', /not valid to get/)
+    assert_syntax_error('"#$01234"', /not valid to get/)
+  end
+
 =begin
   def test_past_scope_variable
     assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}
-- 
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