Add test that using an explicit PyLong as task name does not accidentally trigger the deferred name formatting logic

Author: itamaro

Lib/test/test_asyncio/test_tasks.py

@@ -399,6 +399,18 @@ async def notmuch():
         self.loop.run_until_complete(t1)
         self.loop.run_until_complete(t2)
 
+    def test_task_set_name_pylong(self):
+        # test that setting the task name to a PyLong explicitly doesn't
+        # incorrectly trigger the deferred name formatting logic
+        async def notmuch():
+            return 123
+
+        t = self.new_task(self.loop, notmuch(), name=987654321)
+        self.assertEqual(t.get_name(), '987654321')
+        t.set_name(123456789)
+        self.assertEqual(t.get_name(), '123456789')
+        self.loop.run_until_complete(t)
+
     def test_task_repr_name_not_str(self):
         async def notmuch():
             return 123