Move test to test_free_threading.test_sys

Author: vstinner

Lib/test/libregrtest/tsan.py

@@ -20,7 +20,6 @@
     'test_socket',
     'test_sqlite3',
     'test_ssl',
-    'test_sys',
     'test_syslog',
     'test_thread',
     'test_thread_local_bytecode',

Lib/test/test_free_threading/test_sys.py

@@ -0,0 +1,23 @@
+import sys
+import unittest
+from test.support import threading_helper
+
+
+class SysModuleTest(unittest.TestCase):
+    def test_int_max_str_digits_thread(self):
+        # gh-151218: Check that it's safe to call set_int_max_str_digits()
+        # in parallel. Previously, this test triggered warnings in TSan
+        # on a free threaded build.
+
+        old_limit = sys.get_int_max_str_digits()
+        self.addCleanup(sys.set_int_max_str_digits, old_limit)
+
+        def worker():
+            for i in range (20_000):
+                sys.set_int_max_str_digits(4300 + (i & 7))
+
+        threading_helper.run_concurrently(worker, nthreads=4)
+
+
+if __name__ == "__main__":
+    unittest.main()

Lib/test/test_sys.py

@@ -1369,20 +1369,6 @@ def test_int_max_str_digits(self):
         with self.assertRaises(TypeError):
             sys.set_int_max_str_digits(2_048.0)
 
-    def test_int_max_str_digits_thread(self):
-        # gh-151218: Check that it's safe to call set_int_max_str_digits()
-        # in parallel. Previously, this test triggered warnings in TSan
-        # on a free threaded build.
-
-        old_limit = sys.get_int_max_str_digits()
-        self.addCleanup(sys.set_int_max_str_digits, old_limit)
-
-        def worker():
-            for i in range (20_000):
-                sys.set_int_max_str_digits(4300 + (i & 7))
-
-        threading_helper.run_concurrently(worker, nthreads=4)
-
 
 @test.support.cpython_only
 @test.support.force_not_colorized_test_class