# Check every path through every method of UserList

from UserList import UserList

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 xrange(-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(iter(T((1,2))).next(), "0!!!")

def test_main():

    test_support.run_unittest(UserListTest)

if __name__ == "__main__":

    test_main()