test_ok1/py/builtin/testing/test_reversed.py

15 lines
427 B
Python

from py.builtin import reversed
from py.test import raises
def test_reversed():
r = reversed("hello")
assert iter(r) is r
assert r.next() == "o"
assert r.next() == "l"
assert r.next() == "l"
assert r.next() == "e"
assert r.next() == "h"
raises(StopIteration, r.next)
assert list(reversed(list(reversed("hello")))) == ['h','e','l','l','o']
raises(TypeError, reversed, reversed("hello"))