def main():
fname = 'd:/Work/JetBrains/PyCharm/lab_2/content/numbers.txt'
chunk = 100
n = 100 * chunk
print('generate array \w len =', n)
with open(fname, 'w') as f:
f.writelines('{}\n'.format(random.randint(-1000000, 1000000)) for _ in range(n))
print('array written\nsort() started')
merge_sort(fname, chunk)
print('sort() completed')
def test_sort(self):
fname = 'd:/Work/JetBrains/PyCharm/lab_2/content/test_case.txt'
chunk = 10
n = 10 * chunk
with open(fname, 'w') as f:
f.writelines('{}\n'.format(random.randint(-1000000, 1000000)) for _ in range(n))
merge_sort(fname, chunk)
with open(fname) as f:
nums = [int(x) for x in f.readlines()]
for i in CustomRange(len(nums) - 1):
self.assertLessEqual(nums[i], nums[i + 1])