Fixed #34513 -- Added system check for relational fields in ModelAdmin.list_display.

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/modeladmin/test_checks.py b/tests/modeladmin/test_checks.py
index 85f2eda69e..69aa242a64 100644
--- a/tests/modeladmin/test_checks.py
+++ b/tests/modeladmin/test_checks.py
@@ -554,6 +554,30 @@ class ListDisplayTests(CheckTestCase):
             "admin.E109",
         )
 
+    def test_invalid_related_field(self):
+        class TestModelAdmin(ModelAdmin):
+            list_display = ["song"]
+
+        self.assertIsInvalid(
+            TestModelAdmin,
+            Band,
+            "The value of 'list_display[0]' must not be a many-to-many field or a "
+            "reverse foreign key.",
+            "admin.E109",
+        )
+
+    def test_invalid_m2m_related_name(self):
+        class TestModelAdmin(ModelAdmin):
+            list_display = ["featured"]
+
+        self.assertIsInvalid(
+            TestModelAdmin,
+            Band,
+            "The value of 'list_display[0]' must not be a many-to-many field or a "
+            "reverse foreign key.",
+            "admin.E109",
+        )
+
     def test_valid_case(self):
         @admin.display
         def a_callable(obj):