Refs #1873 -- Added test for IncorrectLookupParameters when list of values is passed to RelatedFieldListFilter.

1 files changed, 9 insertions, 0 deletions

diff --git a/tests/admin_filters/tests.py b/tests/admin_filters/tests.py
index f865f2dd4a..cd71ed8a9f 100644
--- a/tests/admin_filters/tests.py
+++ b/tests/admin_filters/tests.py
@@ -1167,6 +1167,15 @@ class ListFiltersTests(TestCase):
         with self.assertRaises(IncorrectLookupParameters):
             modeladmin.get_changelist_instance(request)
 
+    def test_fieldlistfilter_multiple_invalid_lookup_parameters(self):
+        modeladmin = BookAdmin(Book, site)
+        request = self.request_factory.get(
+            "/", {"author__id__exact": f"{self.alfred.pk},{self.bob.pk}"}
+        )
+        request.user = self.alfred
+        with self.assertRaises(IncorrectLookupParameters):
+            modeladmin.get_changelist_instance(request)
+
     def test_simplelistfilter(self):
         modeladmin = DecadeFilterBookAdmin(Book, site)