def METHOD_NAME(self):
    c_zeroploid = Call([])
    self.assertEqual(c_zeroploid.alleles, [])
    self.assertEqual(c_zeroploid.ploidy, 0)
    self.assertFalse(c_zeroploid.phased)
    self.assertFalse(c_zeroploid.is_haploid())
    self.assertFalse(c_zeroploid.is_diploid())
    self.assertEqual(c_zeroploid.n_alt_alleles(), 0)
    self.assertTrue(c_zeroploid.one_hot_alleles(3) == [0, 0, 0])
    self.assertFalse(c_zeroploid.is_hom_ref())
    self.assertFalse(c_zeroploid.is_het())
    self.assertFalse(c_zeroploid.is_hom_var())
    self.assertFalse(c_zeroploid.is_non_ref())
    self.assertFalse(c_zeroploid.is_het_non_ref())
    self.assertFalse(c_zeroploid.is_het_ref())
    self.assertRaisesRegex(NotImplementedError,
                           "Calls with greater than 2 alleles are not supported.",
                           Call,
                           [1, 1, 1, 1])