import unittest
class Test_fakulteta(unittest.TestCase):
    def test_fakulteta(self):
        self.assertEqual(fakulteta(0), 1)
        self.assertEqual(fakulteta(1), 1)
        self.assertEqual(fakulteta(2), 2)
        self.assertEqual(fakulteta(5), 120)

class Test_vsota_n(unittest.TestCase):
    def test_vsota_n(self):
        self.assertEqual(vsota_n(1), 1)
        self.assertEqual(vsota_n(2), 3)
        self.assertEqual(vsota_n(5), 15)

class Test_fibonacci(unittest.TestCase):
    def test_fibonacci(self):
        self.assertEqual(fibonacci(1), 1)
        self.assertEqual(fibonacci(2), 1)
        self.assertEqual(fibonacci(3), 2)
        self.assertEqual(fibonacci(4), 3)
        self.assertEqual(fibonacci(5), 5)
        self.assertEqual(fibonacci(6), 8)
        self.assertEqual(fibonacci(10), 55)


class Test_gcd(unittest.TestCase):
    def test_gcd(self):
        self.assertEqual(gcd(42, 35), 7)
        self.assertEqual(gcd(49, 35), 7)
        self.assertEqual(gcd(140, 42), 14)

        self.assertEqual(gcd(35, 42), 7)
        self.assertEqual(gcd(35, 49), 7)
        self.assertEqual(gcd(42, 140), 14)

        self.assertEqual(gcd(42, 55), 1)
        self.assertEqual(gcd(55, 42), 1)

        self.assertEqual(gcd(73, 73), 73)
        self.assertEqual(gcd(12, 12), 12)
        self.assertEqual(gcd(24, 12), 12)
        self.assertEqual(gcd(12, 24), 12)

        self.assertEqual(gcd(15, 1), 1)
        self.assertEqual(gcd(1, 15), 1)
        self.assertEqual(gcd(1, 1), 1)

class Test_lihih(unittest.TestCase):
    def test_lihih(self):
        self.assertEqual(lihih([]), 0)
        self.assertEqual(lihih([1]), 1)
        self.assertEqual(lihih([1, 2, 3, 4, 5]), 3)
        self.assertEqual(lihih([2, 0, 4]), 0)


class Test_soda(unittest.TestCase):
    def test_soda(self):
        self.assertEqual(soda([]), [])
        self.assertEqual(soda([2, 1]), [2])
        self.assertEqual(soda([1, 3, 5]), [])
        self.assertEqual(soda([2, 4, 6]), [2, 4, 6])
        self.assertEqual(soda([2, 4, 6]), [2, 4, 6])

class Test_v_dvojiski(unittest.TestCase):
    def test_v_dvojiski(self):
        self.assertEqual(v_dvojiski(0), "0")
        self.assertEqual(v_dvojiski(1), "1")
        self.assertEqual(v_dvojiski(3), "11")
        self.assertEqual(v_dvojiski(6), "110")
        self.assertEqual(v_dvojiski(11), "1011")

class Test_iz_dvojiskega(unittest.TestCase):
    def test_iz_dvojiskega(self):
        self.assertEqual(iz_dvojiskega("0"), 0)
        self.assertEqual(iz_dvojiskega("1"), 1)
        self.assertEqual(iz_dvojiskega("11"), 3)
        self.assertEqual(iz_dvojiskega("110"), 6)
        self.assertEqual(iz_dvojiskega("10101"), 21)

class Test_vsota(unittest.TestCase):
    def test_vsota(self):
        self.assertEqual(vsota([]), 0)
        self.assertEqual(vsota([1]), 1)
        self.assertEqual(vsota([5, 4, 3, 2, 1]), 15)
        self.assertEqual(vsota([1, -1, 2, -2, 3]), 3)


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