def test_error_with_two_numbers(self):
with self.assertRaises(Exception):
highest_product_of_3([1, 1])
def test_short_list(self):
actual = highest_product_of_3([1, 2, 3, 4])
expected = 24
self.assertEqual(actual, expected)
def test_error_with_empty_list(self):
with self.assertRaises(Exception):
highest_product_of_3([])
def test_list_is_all_negatives(self):
actual = highest_product_of_3([-5, -1, -3, -2])
expected = -6
self.assertEqual(actual, expected)
def test_list_has_two_negatives(self):
actual = highest_product_of_3([-10, 1, 3, 2, -10])
expected = 300
self.assertEqual(actual, expected)
def test_list_has_one_negative(self):
actual = highest_product_of_3([-5, 4, 8, 2, 3])
expected = 96
self.assertEqual(actual, expected)
def test_longer_list(self):
actual = highest_product_of_3([6, 1, 3, 5, 7, 8, 2])
expected = 336
self.assertEqual(actual, expected)