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Diffstat (limited to 'tests/db_functions/math/test_cos.py')
| -rw-r--r-- | tests/db_functions/math/test_cos.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tests/db_functions/math/test_cos.py b/tests/db_functions/math/test_cos.py index 15975e247d..99cf96620e 100644 --- a/tests/db_functions/math/test_cos.py +++ b/tests/db_functions/math/test_cos.py @@ -11,6 +11,11 @@ from ..models import DecimalModel, FloatModel, IntegerModel class CosTests(TestCase): + def test_null(self): + IntegerModel.objects.create() + obj = IntegerModel.objects.annotate(null_cos=Cos('normal')).first() + self.assertIsNone(obj.null_cos) + def test_decimal(self): DecimalModel.objects.create(n1=Decimal('-12.9'), n2=Decimal('0.6')) obj = DecimalModel.objects.annotate(n1_cos=Cos('n1'), n2_cos=Cos('n2')).first() |