@skipUnlessDBFeature("supports_mixed_date_datetime_comparisons")
    def test_mixed_comparisons1(self):
        for i in range(len(self.delays)):
            delay = self.delays[i]
            if not connection.features.supports_microsecond_precision:
                delay = datetime.timedelta(delay.days, delay.seconds)
            test_set = [e.name for e in
                Experiment.objects.filter(assigned__gt=delay-F('start'))]
            self.assertEqual(test_set, self.expnames[:i])

            test_set = [e.name for e in
                Experiment.objects.filter(assigned__gte=F('start')-delay)]
            self.assertEqual(test_set, self.expnames[:i+1])
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/tests/expressions_regress/tests.py/FTimeDeltaTests.test_mixed_comparisons1/swapped operands of `-`