def test_p5(self):
     w = wroc.f1(2, 3)
     self.assertEqual(w, 7)
 def test_p4(self):
     w = wroc.f1(2, 1)
     self.assertEqual(w, 5)
 def test_p2(self):
     w = wroc.f1(1)
     self.assertEqual(w, 1)
 def test_p3(self):
     w = wroc.f1(2)
     self.assertEqual(w, 4)
 def test_p1(self):
     w = wroc.f1(0)
     self.assertEqual(w, 0)