text: # Check every path through every method of UserList
  
  z collections zaimportuj UserList
  z test zaimportuj support, list_tests
  
  klasa UserListTest(list_tests.CommonTest):
      type2test = UserList
  
      def test_getslice(self):
          super().test_getslice()
          l = [0, 1, 2, 3, 4]
          u = self.type2test(l)
          dla i w range(-3, 6):
              self.assertEqual(u[:i], l[:i])
              self.assertEqual(u[i:], l[i:])
              dla j w range(-3, 6):
                  self.assertEqual(u[i:j], l[i:j])
  
      def test_add_specials(self):
          u = UserList("spam")
          u2 = u + "eggs"
          self.assertEqual(u2, list("spameggs"))
  
      def test_radd_specials(self):
          u = UserList("eggs")
          u2 = "spam" + u
          self.assertEqual(u2, list("spameggs"))
          u2 = u.__radd__(UserList("spam"))
          self.assertEqual(u2, list("spameggs"))
  
      def test_iadd(self):
          super().test_iadd()
          u = [0, 1]
          u += UserList([0, 1])
          self.assertEqual(u, [0, 1, 0, 1])
  
      def test_mixedcmp(self):
          u = self.type2test([0, 1])
          self.assertEqual(u, [0, 1])
          self.assertNotEqual(u, [0])
          self.assertNotEqual(u, [0, 2])
  
      def test_mixedadd(self):
          u = self.type2test([0, 1])
          self.assertEqual(u + [], u)
          self.assertEqual(u + [2], [0, 1, 2])
  
      def test_getitemoverwriteiter(self):
          # Verify that __getitem__ overrides *are* recognized by __iter__
          klasa T(self.type2test):
              def __getitem__(self, key):
                  zwróć str(key) + '!!!'
          self.assertEqual(next(iter(T((1,2)))), "0!!!")
  
      def test_userlist_copy(self):
          u = self.type2test([6, 8, 1, 9, 1])
          v = u.copy()
          self.assertEqual(u, v)
          self.assertEqual(type(u), type(v))
  
  jeżeli __name__ == "__main__":
      unittest.main()
  