import unittest

from main import litres

class Test_DNAtoRNA(unittest.TestCase):





    def test(self):
        self.assertEqual(litres(2), 1, 'should return 1 litre');
        self.assertEqual(litres(1.4), 0, 'should return 0 litres');
        self.assertEqual(litres(12.3), 6, 'should return 6 litres');
        self.assertEqual(litres(0.82), 0, 'should return 0 litres');
        self.assertEqual(litres(11.8), 5, 'should return 5 litres');
        self.assertEqual(litres(1787), 893, 'should return 893 litres');
        self.assertEqual(litres(0), 0, 'should return 0 litres');

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