1 files changed, 9 insertions, 1 deletions
diff --git a/test/open-uri/test_open-uri.rb b/test/open-uri/test_open-uri.rb
index 72ebcdb0da..afdd63ae85 100644
--- a/test/open-uri/test_open-uri.rb
+++ b/test/open-uri/test_open-uri.rb
@@ -902,5 +902,13 @@ class TestOpenURI < Test::Unit::TestCase
     }
   end
 
-end
+  def test_meta_init_doesnt_bump_global_constant_state
+    skip "RubyVM.stat not defined" unless defined? RubyVM.stat
+
+    OpenURI::Meta.init(Object.new) # prewarm
 
+    before = RubyVM.stat(:global_constant_state)
+    OpenURI::Meta.init(Object.new)
+    assert_equal 0, RubyVM.stat(:global_constant_state) - before
+  end
+end