def test_list_with_zeros(self):
a = [0, 2, 3, 4]
res = mult(a)
self.assertEqual(res, [24, 0, 0, 0])
a = [0, 2, 4, 0, 5, 6, 0, 8, 9, 10, 0, 0]
res = mult(a)
self.assertEqual(res, [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
def test_very_large(self, mult):
self.assertEqual(mult([1]*10000000), [1]*10000000)
def test_zeros(self):
a = [0] * 1000
res = mult(a)
self.assertEqual(res, [0]*1000)
def test_ones(self):
a = [1] * 1000
res = mult(a)
self.assertEqual(res, [1]*1000)
def test_example(self):
a = [1, 2, 3, 4]
res = mult(a)
self.assertEqual(res, [24, 12, 8, 6])
def test_empty_list(self):
a = []
res = mult(a)
self.assertEqual(res, [])
def test_one_el_list(self):
a = [1]
res = mult(a)
self.assertEqual(res, [1])
def test_case5(self):
a = [2, -3, 13, -67, 9, -36, 71, -78, 91, -10]
res = mult(a)
self.assertEqual(res, [-4266568902960, 2844379268640, -656395215840,
127360265760, -948126422880, 237031605720,
-120185039520, 109399202640, -93770745120, 853313780592])
def test_random(self):
for i in range(100):
a = [random.randint(1, 100) for _ in range(10)]
m = reduce(lambda x, y: x*y, a)
b = [int(m / a[i]) for i in range(10)]
self.assertEqual(mult(a), b)
def test_case4(self):
a = [1, 1, 1, 1, 1, 1, 1, 1, 1, 10]
res = mult(a)
self.assertEqual(res, [10, 10, 10, 10, 10, 10, 10, 10, 10, 1])
def test_case3(self):
a = [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
res = mult(a)
self.assertEqual(res, [362880, 403200, 453600,
518400, 604800, 725760,
907200, 1209600, 1814400, 3628800])
def test_case2(self):
a = [3]*10
res = mult(a)
self.assertEqual(res, [19683, 19683, 19683,
19683, 19683, 19683,
19683, 19683, 19683, 19683])
def test_case1(self):
a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
res = mult(a)
self.assertEqual(res, [3628800, 1814400, 1209600,
907200, 725760, 604800,
518400, 453600, 403200, 362880])
from list_mul import mult
import cProfile, pstats, io
pr = cProfile.Profile()
pr.enable()
for i in range(100):
mult(list(range(1, 101)))
pr.disable()
s = io.StringIO()
sortby = 'cumulative'
ps = pstats.Stats(pr, stream=s).sort_stats(sortby)
ps.print_stats()
print(s.getvalue())