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#!/usr/bin/env python3
import unittest
ch_1 = __import__('ch-1')
ch_2 = __import__('ch-2')
class TestClass(unittest.TestCase):
def test_ch_1(self):
self.assertEqual(ch_1.smaller_than_current([5, 2, 1, 6]), [2, 1, 0, 3])
self.assertEqual(ch_1.smaller_than_current([1, 2, 0, 3]), [1, 2, 0, 3])
self.assertEqual(ch_1.smaller_than_current([0, 1]), [0, 1])
self.assertEqual(ch_1.smaller_than_current([9, 4, 9, 2]), [2, 1, 2, 0])
def test_ch_2(self):
self.assertEqual(ch_2.echelon(
[[1, 0, 0, 1], [0, 1, 0, 2], [0, 0, 1, 3]]), 1)
self.assertEqual(ch_2.echelon([[1, 1, 0], [0, 1, 0], [0, 0, 0]]), 0)
self.assertEqual(ch_2.echelon(
[[0, 1, -2, 0, 1], [0, 0, 0, 1, 3], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]), 1)
self.assertEqual(ch_2.echelon(
[[1, 0, 0, 4], [0, 1, 0, 7], [0, 0, 1, -1]]), 1)
if __name__ == '__main__':
unittest.main()
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