def test_multiple_item_sequence(self):
"Middle items of a multi-item sequence are neither first or last"
eq_(list(forloop([1, 2, 3, 4])),
[(True, 1, False),
(False, 2, False),
(False, 3, False),
(False, 4, True)])
def test_one_item_sequence(self):
"The only item of a one-item sequence is both first and last"
items = forloop(['the only item'])
first, item, last = items.next()
assert_true(first)
eq_(item, 'the only item')
assert_true(last)
assert_raises(StopIteration, items.next)
def test_two_item_sequence(self):
"Item 1 of a two-item sequence is the first and item 2 the last"
eq_(list(forloop(['the first item', 'the second item'])),
[(True, 'the first item', False),
(False, 'the second item', True)])
def test_empty_sequence(self):
"An empty sequence should yield no results"
eq_(list(forloop([])), [])
