1 files changed, 12 insertions, 0 deletions
diff --git a/tests/regressiontests/aggregation_regress/tests.py b/tests/regressiontests/aggregation_regress/tests.py
index e24eb43b87..b9f3ab27eb 100644
--- a/tests/regressiontests/aggregation_regress/tests.py
+++ b/tests/regressiontests/aggregation_regress/tests.py
@@ -866,3 +866,15 @@ class AggregationTests(TestCase):
             ['Peter Norvig'],
             lambda b: b.name
         )
+
+    def test_type_conversion(self):
+        # The database backend convert_values function should not try to covert
+        # CharFields to float. Refs #13844.
+        from django.db.models import CharField
+        from django.db import connection
+        testData = 'not_a_float_value'
+        testField = CharField()
+        self.assertEqual(
+            connection.ops.convert_values(testData, testField),
+            testData
+        )