import unittest

# Method assertEqual
# UnitTestBy Hathaipach I.

class TestNumber(unittest.TestCase):

    def test_add(self):
        self.assertEqual(1 + 2, 3)
        self.assertEqual(2 + 2, 4)

    def testMultiply(self):
        self.assertEqual(1 * 1, 1)
        self.assertEqual(1 * 2, 2)
        self.assertEqual(2 * 4, 8)

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