# Check every path through every method of UserList from UserList import UserList import unittest from test import test_support, list_tests class UserListTest(list_tests.CommonTest): type2test = UserList def test_getslice(self): super(UserListTest, self).test_getslice() l = [0, 1, 2, 3, 4] u = self.type2test(l) for i in range(-3, 6): self.assertEqual(u[:i], l[:i]) self.assertEqual(u[i:], l[i:]) for j in 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(UserListTest, self).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__ class T(self.type2test): def __getitem__(self, key): return str(key) + '!!!' self.assertEqual(next(iter(T((1,2)))), "0!!!") def test_main(): test_support.run_unittest(UserListTest) if __name__ == "__main__": test_main()