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bubble_sort.py
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42 lines (36 loc) · 962 Bytes
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import unittest
def bubble_sort(arr):
for size in reversed(range(len(arr))):
for i in range(size):
if arr[i] > arr[i + 1]:
arr[i + 1], arr[i] = arr[i], arr[i + 1]
return arr
class TestBubbleSort(unittest.TestCase):
def test(self):
arr = bubble_sort([5, 3, 2, 1, 4])
self.assertEqual(
arr,
[1, 2, 3, 4, 5]
)
arr = bubble_sort([-1, -10, 2, 4, 1])
self.assertEqual(
arr,
[-10, -1, 1, 2, 4]
)
arr = bubble_sort([1, -1, 5, 2, 4, 2])
self.assertEqual(
arr,
[-1, 1, 2, 2, 4, 5]
)
arr = bubble_sort([5, 2])
self.assertEqual(
arr,
[2, 5]
)
arr = bubble_sort([-1, -1, 2, 5, 4, 2])
self.assertEqual(
arr,
[-1, -1, 2, 2, 4, 5]
)
if __name__ == '__main__':
unittest.TestCase()