From 4f600673d71cd99918755805042b7c039645f712 Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Wed, 28 Apr 2021 11:27:57 +0200
Subject: [PATCH] Refs #32632 -- Added tests for returning a copy when
 combining Q() objects.

---
 tests/queries/test_q.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tests/queries/test_q.py b/tests/queries/test_q.py
index 24a705f07f..84ae6e90a5 100644
--- a/tests/queries/test_q.py
+++ b/tests/queries/test_q.py
@@ -26,6 +26,19 @@ class QTests(SimpleTestCase):
         self.assertEqual(q | Q(), q)
         self.assertEqual(Q() | q, q)
 
+    def test_combine_empty_copy(self):
+        base_q = Q(x=1)
+        tests = [
+            base_q | Q(),
+            Q() | base_q,
+            base_q & Q(),
+            Q() & base_q,
+        ]
+        for i, q in enumerate(tests):
+            with self.subTest(i=i):
+                self.assertEqual(q, base_q)
+                self.assertIsNot(q, base_q)
+
     def test_combine_or_both_empty(self):
         self.assertEqual(Q() | Q(), Q())