def test_empty(self, arr, bw):
npt.assert_array_equal(np.empty_like(arr), epanechnikov(arr, bw))
def test_type_error(self, arr, bw):
with self.assertRaises(SpatSegTypeError):
epanechnikov(arr, bw)
def test_max(self, arr, bw):
less_than_1 = epanechnikov(arr, bw) <= 1
self.assertEqual(less_than_1.all(), True)
def test_value_error(self, arr, bw):
with self.assertRaises(SpatSegValueError):
epanechnikov(arr, bw)
def test_min(self, arr, bw):
is_positive = epanechnikov(arr, bw) >= 0
self.assertEqual(is_positive.all(), True)