1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 16cff9754a..eb10ed6aec 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -1227,4 +1227,10 @@ class TestRubyOptions < Test::Unit::TestCase
     omit "#{IO::NULL} is not a character device" unless File.chardev?(IO::NULL)
     assert_in_out_err([IO::NULL], success: true)
   end
+
+  def test_free_on_exit_env_var
+    env = {"RUBY_FREE_ON_EXIT"=>"1"}
+    assert_ruby_status([env, "-e;"])
+    assert_in_out_err([env, "-W"], "", [], /Free on exit is experimental and may be unstable/)
+  end
 end