import random
import unittest

import insertion_sort01


class Test(unittest.TestCase):

    def test_example(self):
        tmpl = [8, 2, 4, 9, 3, 6]
        a = tmpl[:]
        expected = [2, 3, 4, 6, 8, 9]

        insertion_sort01.insertion_sort(a)

        self.assertEqual(expected, a)

    def test_big_example(self):
        tmpl = list(range(0, 1000))
        a = tmpl[:]
        random.shuffle(a)
        expected = tmpl[:]

        insertion_sort01.insertion_sort(a)

        self.assertEqual(expected, a)

    def test_bigger_example(self):
        tmpl = list(range(0, 10000))
        a = tmpl[:]
        random.shuffle(a)
        expected = tmpl[:]

        insertion_sort01.insertion_sort(a)

        self.assertEqual(expected, a)


if __name__ == '__main__':
    unittest.main()