def test_empty_array(self): data = [] self.assertFalse(has_duplicates(data)) self.assertEqual(sorted(get_duplicates_2(data)), [])
def test_single_duplicated_elem(self): data = [4, 4, 4, 4] self.assertTrue(has_duplicates(data)) self.assertEqual(sorted(get_duplicates_2(data)), [4])
def test_many_elements_many_duplicates(self): data = [2, -3, 0, 2, 1, -3, 4, 1, -1, 2] self.assertTrue(has_duplicates(data)) self.assertEqual(sorted(get_duplicates_2(data)), [-3, 1, 2])
def test_many_elements_one_duplicate(self): data = [2, -3, 0, 2, 7, 1] self.assertTrue(has_duplicates(data)) self.assertEqual(sorted(get_duplicates_2(data)), [2])
def test_many_elements(self): data = [2, 1, -4, 7] self.assertFalse(has_duplicates(data)) self.assertFalse(sorted(get_duplicates_2(data)), [])
def test_single_element(self): data = [1] self.assertFalse(has_duplicates(data)) self.assertEqual(sorted(get_duplicates_2(data)), [])