From 2d9bc3efe57fe0ec1a8171340c950fb98ca8c8f2 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Thu, 13 Apr 2023 21:45:56 +0900
Subject: [Bug #19597] Freeze script name

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

(limited to 'test')

diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index a259764041..66624644e9 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -1424,6 +1424,11 @@ class TestProcess < Test::Unit::TestCase
     REPRO
   end
 
+  def test_argv0_frozen
+    assert_predicate Process.argv0, :frozen?
+    assert_predicate $0, :frozen?
+  end
+
   def test_status
     with_tmpchdir do
       s = run_in_child("exit 1")
-- 
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