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Diffstat (limited to 'tests/db_functions/math/test_power.py')
| -rw-r--r-- | tests/db_functions/math/test_power.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tests/db_functions/math/test_power.py b/tests/db_functions/math/test_power.py index 01ca2b34d9..a2d6156e3d 100644 --- a/tests/db_functions/math/test_power.py +++ b/tests/db_functions/math/test_power.py @@ -8,6 +8,15 @@ from ..models import DecimalModel, FloatModel, IntegerModel class PowerTests(TestCase): + def test_null(self): + IntegerModel.objects.create(big=100) + obj = IntegerModel.objects.annotate( + null_power_small=Power('small', 'normal'), + null_power_normal=Power('normal', 'big'), + ).first() + self.assertIsNone(obj.null_power_small) + self.assertIsNone(obj.null_power_normal) + def test_decimal(self): DecimalModel.objects.create(n1=Decimal('1.0'), n2=Decimal('-0.6')) obj = DecimalModel.objects.annotate(n_power=Power('n1', 'n2')).first() |