def test_no_match_in_array1(self):
self.assertEqual(-1, chop(3, [1]))
self.assertEqual(0, chop(1, [1]))
def test_no_match_in_array4(self):
self.assertEqual(-1, chop(0, [1, 3, 5, 7]))
self.assertEqual(-1, chop(2, [1, 3, 5, 7]))
self.assertEqual(-1, chop(4, [1, 3, 5, 7]))
self.assertEqual(-1, chop(6, [1, 3, 5, 7]))
self.assertEqual(-1, chop(8, [1, 3, 5, 7]))
def test_no_match_in_empty_array(self):
self.assertEqual(-1, chop(3, []))
def test_match_in_array4(self):
self.assertEqual(0, chop(1, [1, 3, 5, 7]))
self.assertEqual(1, chop(3, [1, 3, 5, 7]))
self.assertEqual(2, chop(5, [1, 3, 5, 7]))
self.assertEqual(3, chop(7, [1, 3, 5, 7]))