Consolidated some many_to_one tests.

2 files changed, 16 insertions, 1 deletions

diff --git a/tests/many_to_one_null/models.py b/tests/many_to_one_null/models.py
index 16ee56cec6..3b03c42105 100644
--- a/tests/many_to_one_null/models.py
+++ b/tests/many_to_one_null/models.py
@@ -27,3 +27,11 @@ class Article(models.Model):
 
     def __str__(self):
         return self.headline
+
+
+class Car(models.Model):
+    make = models.CharField(max_length=100, null=True, unique=True)
+
+
+class Driver(models.Model):
+    car = models.ForeignKey(Car, to_field='make', null=True, related_name='drivers')
diff --git a/tests/many_to_one_null/tests.py b/tests/many_to_one_null/tests.py
index 2463065c9d..a72b821f88 100644
--- a/tests/many_to_one_null/tests.py
+++ b/tests/many_to_one_null/tests.py
@@ -2,7 +2,7 @@ from __future__ import unicode_literals
 
 from django.test import TestCase
 
-from .models import Reporter, Article
+from .models import Article, Car, Driver, Reporter
 
 
 class ManyToOneNullTests(TestCase):
@@ -105,3 +105,10 @@ class ManyToOneNullTests(TestCase):
         with self.assertNumQueries(1):
             r.article_set.clear()
         self.assertEqual(r.article_set.count(), 0)
+
+    def test_related_null_to_field(self):
+        c1 = Car.objects.create()
+        d1 = Driver.objects.create()
+        self.assertIs(d1.car, None)
+        with self.assertNumQueries(0):
+            self.assertEqual(list(c1.drivers.all()), [])