def test_case_1(self):
output = program.fourNumberSum([1, 2, 3, 4, 5, 6, 7], 10)
output = list(map(sortAndStringify, output))
quadruplets = [
[1, 2, 3, 4],
]
self.assertTrue(len(output) == 1)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
def test_case_2(self):
output = program.fourNumberSum([7, 6, 4, -1, 1, 2], 16)
output = list(map(sortAndStringify, output))
quadruplets = [
[7, 6, 4, -1],
[7, 6, 1, 2],
]
self.assertTrue(len(output) == 2)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
def test_case_3(self):
output = program.fourNumberSum([5, -5, -2, 2, 3, -3], 0)
output = list(map(sortAndStringify, output))
quadruplets = [
[5, -5, -2, 2],
[5, -5, 3, -3],
[-2, 2, 3, -3],
]
self.assertTrue(len(output) == 3)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
def test_case_4(self):
output = program.fourNumberSum([-2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9], 4)
output = list(map(sortAndStringify, output))
quadruplets = [
[-2, -1, 1, 6],
[-2, 1, 2, 3],
[-2, -1, 2, 5],
[-2, -1, 3, 4],
]
self.assertTrue(len(output) == 4)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
def test_case_5(self):
output = program.fourNumberSum([-1, 22, 18, 4, 7, 11, 2, -5, -3], 30)
output = list(map(sortAndStringify, output))
quadruplets = [
[-1, 22, 7, 2],
[22, 4, 7, -3],
[-1, 18, 11, 2],
[18, 4, 11, -3],
[22, 11, 2, -5],
]
self.assertTrue(len(output) == 5)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
def test_case_6(self):
output = program.fourNumberSum(
[-10, -3, -5, 2, 15, -7, 28, -6, 12, 8, 11, 5], 20)
output = list(map(sortAndStringify, output))
quadruplets = [
[-5, 2, 15, 8],
[-3, 2, -7, 28],
[-10, -3, 28, 5],
[-10, 28, -6, 8],
[-7, 28, -6, 5],
[-5, 2, 12, 11],
[-5, 12, 8, 5],
]
self.assertTrue(len(output) == 7)
for quadruplet in quadruplets:
self.assertTrue(sortAndStringify(quadruplet) in output)
5
def sortAndStringify(array):
6
return ",".join(sorted(list(map(lambda x: str(x), array))))
7
8
9
class TestProgram(unittest.TestCase):
10
11
def test_case_1(self):
12
output = program.fourNumberSum([1, 2, 3, 4, 5, 6, 7], 10)
13
output = list(map(sortAndStringify, output))
14
quadruplets = [
15
[1, 2, 3, 4],
16
]
17
self.assertTrue(len(output) == 1)
18
for quadruplet in quadruplets:
19
self.assertTrue(sortAndStringify(quadruplet) in output)
Video ExplanationGo to Conceptual OverviewGo to Code WalkthroughQuestions List
def test_case_7(self):
output = program.fourNumberSum([1, 2, 3, 4, 5], 100)
output = list(map(sortAndStringify, output))
self.assertTrue(len(output) == 0)