1 files changed, 9 insertions, 0 deletions
diff --git a/tests/postgres_tests/test_constraints.py b/tests/postgres_tests/test_constraints.py
index 770d4b1702..f571a96f35 100644
--- a/tests/postgres_tests/test_constraints.py
+++ b/tests/postgres_tests/test_constraints.py
@@ -1213,3 +1213,12 @@ class ExclusionConstraintTests(PostgreSQLTestCase):
             constraint_name,
             self.get_constraints(ModelWithExclusionConstraint._meta.db_table),
         )
+
+    def test_database_default(self):
+        constraint = ExclusionConstraint(
+            name="ints_equal", expressions=[("ints", RangeOperators.EQUAL)]
+        )
+        RangesModel.objects.create()
+        msg = "Constraint “ints_equal” is violated."
+        with self.assertRaisesMessage(ValidationError, msg):
+            constraint.validate(RangesModel, RangesModel())