def test_find_peak_all_elements_are_equal(self):
a = [randint(-100, 100)] * 10
self.assertNotEqual(find_peak(a), -1)
self.assertNotEqual(find_peak_linearly(a), -1)
def test_find_peak_specific_case(self):
a = [7, 4, 5, 6, 7, 6]
self.assertEqual(find_peak(a), 4)
self.assertEqual(find_peak_linearly(a), 4)
def test_find_peak_sorted_list(self):
self.assertEqual(find_peak(list(range(100))), -1)
self.assertEqual(find_peak_linearly(list(range(100))), -1)
self.assertEqual(find_peak(list(range(100, -1, -1))), -1)
self.assertEqual(find_peak_linearly(list(range(100, -1, -1))), -1)
def test_find_peak_size_3(self):
self.assertEqual(find_peak([47, 71, 71]), 1)
self.assertEqual(find_peak_linearly([47, 71, 71]), 1)
def test_find_peak_size_3_no_peak(self):
self.assertEqual(find_peak([47, 59, 71]), -1)
self.assertEqual(find_peak_linearly([47, 59, 71]), -1)
def test_find_peak_size_2(self):
self.assertEqual(find_peak([47, 59]), -1)
self.assertEqual(find_peak_linearly([47, 59]), -1)
def test_find_peak_empty_list(self):
self.assertEqual(find_peak([]), -1)
self.assertEqual(find_peak_linearly([]), -1)