From 0a28b42b1510b8093a90718bafd7627ed67fa13b Mon Sep 17 00:00:00 2001
From: Hasan Ramezani <hasan.r67@gmail.com>
Date: Wed, 8 Sep 2021 13:57:49 +0200
Subject: Fixed #33084 -- Removed incorrect system check for ManyToManyField
 with limit_choices_to.

---
 tests/model_forms/models.py | 17 +++++++++++++++++
 tests/model_forms/tests.py  | 17 +++++++++++++++--
 2 files changed, 32 insertions(+), 2 deletions(-)

(limited to 'tests/model_forms')

diff --git a/tests/model_forms/models.py b/tests/model_forms/models.py
index 4e9ed2b1e4..c0b3a64148 100644
--- a/tests/model_forms/models.py
+++ b/tests/model_forms/models.py
@@ -480,3 +480,20 @@ class NullableUniqueCharFieldModel(models.Model):
     email = models.EmailField(blank=True, null=True)
     slug = models.SlugField(blank=True, null=True)
     url = models.URLField(blank=True, null=True)
+
+
+class Number(models.Model):
+    value = models.IntegerField()
+
+
+class NumbersToDice(models.Model):
+    number = models.ForeignKey('Number', on_delete=models.CASCADE)
+    die = models.ForeignKey('Dice', on_delete=models.CASCADE)
+
+
+class Dice(models.Model):
+    numbers = models.ManyToManyField(
+        Number,
+        through=NumbersToDice,
+        limit_choices_to=models.Q(value__gte=1),
+    )
diff --git a/tests/model_forms/tests.py b/tests/model_forms/tests.py
index 9931fa50e3..7907aa1c3d 100644
--- a/tests/model_forms/tests.py
+++ b/tests/model_forms/tests.py
@@ -21,10 +21,10 @@ from django.test.utils import isolate_apps
 from .models import (
     Article, ArticleStatus, Author, Author1, Award, BetterWriter, BigInt, Book,
     Category, Character, Colour, ColourfulItem, CustomErrorMessage, CustomFF,
-    CustomFieldForExclusionModel, DateTimePost, DerivedBook, DerivedPost,
+    CustomFieldForExclusionModel, DateTimePost, DerivedBook, DerivedPost, Dice,
     Document, ExplicitPK, FilePathModel, FlexibleDatePost, Homepage,
     ImprovedArticle, ImprovedArticleWithParentLink, Inventory,
-    NullableUniqueCharFieldModel, Person, Photo, Post, Price, Product,
+    NullableUniqueCharFieldModel, Number, Person, Photo, Post, Price, Product,
     Publication, PublicationDefaults, StrictAssignmentAll,
     StrictAssignmentFieldSpecific, Student, StumpJoke, TextFile, Triple,
     Writer, WriterProfile, test_images,
@@ -2896,6 +2896,19 @@ class LimitChoicesToTests(TestCase):
             [self.marley, self.threepwood],
         )
 
+    def test_limit_choices_to_m2m_through(self):
+        class DiceForm(forms.ModelForm):
+            class Meta:
+                model = Dice
+                fields = ['numbers']
+
+        Number.objects.create(value=0)
+        n1 = Number.objects.create(value=1)
+        n2 = Number.objects.create(value=2)
+
+        form = DiceForm()
+        self.assertCountEqual(form.fields['numbers'].queryset, [n1, n2])
+
 
 class FormFieldCallbackTests(SimpleTestCase):
 
-- 
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