Added tests for using bytearray with BinaryField and corrected docs.

docs/ref/models/fields.txt

@@ -416,8 +416,8 @@ guaranteed to fit numbers from ``-9223372036854775808`` to
 
 .. class:: BinaryField(max_length=None, **options)
 
-A field to store raw binary data. It can be assigned :class:`bytes` or a
-:class:`memoryview`.
+A field to store raw binary data. It can be assigned :class:`bytes`,
+:class:`bytearray`, or :class:`memoryview`.
 
 By default, ``BinaryField`` sets :attr:`~Field.editable` to ``False``, in which
 case it can't be included in a :class:`~django.forms.ModelForm`.

tests/model_fields/test_binaryfield.py

@@ -9,7 +9,7 @@ class BinaryFieldTests(TestCase):
     binary_data = b'\x00\x46\xFE'
 
     def test_set_and_retrieve(self):
-        data_set = (self.binary_data, memoryview(self.binary_data))
+        data_set = (self.binary_data, bytearray(self.binary_data), memoryview(self.binary_data))
         for bdata in data_set:
             dm = DataModel(data=bdata)
             dm.save()
@@ -40,6 +40,11 @@ class BinaryFieldTests(TestCase):
         DataModel.objects.create(data=b'\xef\xbb\xbf')
         self.assertSequenceEqual(DataModel.objects.filter(data=self.binary_data), [dm])
 
+    def test_filter_bytearray(self):
+        dm = DataModel.objects.create(data=self.binary_data)
+        DataModel.objects.create(data=b'\xef\xbb\xbf')
+        self.assertSequenceEqual(DataModel.objects.filter(data=bytearray(self.binary_data)), [dm])
+
     def test_filter_memoryview(self):
         dm = DataModel.objects.create(data=self.binary_data)
         DataModel.objects.create(data=b'\xef\xbb\xbf')