Fixed #20182 - admin lookup should treat 0 as False for __isnull

Thanks Benjie Chen.

1 files changed, 3 insertions, 0 deletions

diff --git a/tests/admin_views/models.py b/tests/admin_views/models.py
index e78dc40a6c..5cc6f6251a 100644
--- a/tests/admin_views/models.py
+++ b/tests/admin_views/models.py
@@ -137,6 +137,7 @@ class Thing(models.Model):
 class Actor(models.Model):
     name = models.CharField(max_length=50)
     age = models.IntegerField()
+    title = models.CharField(max_length=50, null=True)
     def __str__(self):
         return self.name
 
@@ -158,6 +159,8 @@ class Sketch(models.Model):
                                                                    'leader__age': 27,
                                                                    'expected': False,
                                                                    })
+    defendant0 = models.ForeignKey(Actor, limit_choices_to={'title__isnull': False}, related_name='as_defendant0')
+    defendant1 = models.ForeignKey(Actor, limit_choices_to={'title__isnull': True}, related_name='as_defendant1')
 
     def __str__(self):
         return self.title