def test_length1(self):
A = [222]
self.assertEqual(solution.jump(A), 0)
def test_empty(self):
A = []
self.assertEqual(solution.jump(A), 0)
def test_input_random(self):
A = [7,0,9,6,9,6,1,7,9,0,1,2,9,0,3]
self.assertEqual(solution.jump(A), 2)
def test_input_impossible(self):
A = [2,1,0,0,0,0,0,0,0,0,0,0]
self.assertEqual(solution.jump(A), -1)
def test_input_all_1(self):
A = [1,1,1,1,1,1,1]
self.assertEqual(solution.jump(A), 6)
def test_input_2_1(self):
A = [2,1]
self.assertEqual(solution.jump(A), 1)
