1 files changed, 14 insertions, 0 deletions
diff --git a/tests/db_functions/text/test_concat.py b/tests/db_functions/text/test_concat.py
index 6e4cb91d3a..ffcd19fad6 100644
--- a/tests/db_functions/text/test_concat.py
+++ b/tests/db_functions/text/test_concat.py
@@ -107,3 +107,17 @@ class ConcatTests(TestCase):
             ctx.captured_queries[0]["sql"].count("::text"),
             1 if connection.vendor == "postgresql" else 0,
         )
+
+    def test_equal(self):
+        self.assertEqual(
+            Concat("foo", "bar", output_field=TextField()),
+            Concat("foo", "bar", output_field=TextField()),
+        )
+        self.assertNotEqual(
+            Concat("foo", "bar", output_field=TextField()),
+            Concat("foo", "bar", output_field=CharField()),
+        )
+        self.assertNotEqual(
+            Concat("foo", "bar", output_field=TextField()),
+            Concat("bar", "foo", output_field=TextField()),
+        )