From 6f8921191b4b214a752739465cabfff8165c474a Mon Sep 17 00:00:00 2001
From: Ben Darnell <ben@bendarnell.com>
Date: Tue, 22 Aug 2023 09:28:13 -0400
Subject: [PATCH] test: Skip circlerefs test on pypy

Pypy doesn't have the same refcount fast-path as cpython so the
gc behavior is different and this test is irrelevant.
---
 tornado/test/circlerefs_test.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tornado/test/circlerefs_test.py b/tornado/test/circlerefs_test.py
index 49b53f96..5c71858f 100644
--- a/tornado/test/circlerefs_test.py
+++ b/tornado/test/circlerefs_test.py
@@ -19,6 +19,7 @@ import unittest
 
 import tornado
 from tornado import web, gen, httpclient
+from tornado.test.util import skipNotCPython
 
 
 def find_circular_references(garbage):
@@ -99,6 +100,8 @@ def assert_no_cycle_garbage():
         gc.enable()
 
 
+# GC behavior is cpython-specific
+@skipNotCPython
 class CircleRefsTest(unittest.TestCase):
     def test_known_leak(self):
         # Construct a known leak scenario to make sure the test harness works.
-- 
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