diff --git a/tests/json/test_json__integer.py b/tests/json/test_json__integer.py
new file mode 100644
index 0000000..16833d1
--- /dev/null
+++ b/tests/json/test_json__integer.py
@@ -0,0 +1,42 @@
+from django.db import models
+from django.test import TestCase
+from viewflow import jsonstore
+
+
+class IntegerFieldModel(models.Model):
+    data = models.JSONField(default=dict)
+    integer_field = jsonstore.IntegerField(null=True)
+    default_integer_field = jsonstore.IntegerField(default=42)
+
+
+class Test(TestCase):
+    def test_crud(self):
+        model = IntegerFieldModel(integer_field=5)
+        self.assertIsInstance(
+            model._meta.get_field("integer_field"), models.IntegerField
+        )
+        self.assertEqual(
+            model.data,
+            {
+                "integer_field": 5,
+            },
+        )
+        model.save()
+
+        model = IntegerFieldModel.objects.get()
+        self.assertEqual(
+            model.data,
+            {
+                "integer_field": 5,
+            },
+        )
+        self.assertEqual(model.integer_field, 5)
+
+    def test_null_value(self):
+        model = IntegerFieldModel()
+        self.assertEqual(model.integer_field, None)
+        self.assertEqual(model.data, {})
+
+    def test_default_value(self):
+        model = IntegerFieldModel()
+        self.assertEqual(model.default_integer_field, 42)