def test_pop(self):
items = ItemList(str, items='abcde')
assert_equal(items.pop(), 'e')
assert_equal(items.pop(0), 'a')
assert_equal(items.pop(-2), 'c')
assert_equal(list(items), ['b', 'd'])
assert_raises(IndexError, items.pop, 7)
assert_equal(list(items), ['b', 'd'])
assert_raises(IndexError, ItemList(int).pop)
def test_pop(self):
items = ItemList(str, items='abcde')
assert_equal(items.pop(), 'e')
assert_equal(items.pop(0), 'a')
assert_equal(items.pop(-2), 'c')
assert_equal(list(items), ['b', 'd'])
assert_raises(IndexError, items.pop, 7)
assert_equal(list(items), ['b', 'd'])
assert_raises(IndexError, ItemList(int).pop)
def test_modifications_during_iter(self):
chars = ItemList(str, items='abdx')
for c in chars:
if c == 'a':
chars.pop()
if c == 'b':
chars.insert(2, 'c')
if c == 'c':
chars.append('e')
assert_true(c in 'abcde', '%s was unexpected here!' % c)
assert_equal(list(chars), list('abcde'))
def test_modifications_during_reversed(self):
chars = ItemList(str, items='yxdba')
for c in reversed(chars):
if c == 'a':
chars.remove('x')
if c == 'b':
chars.insert(-2, 'c')
if c == 'c':
chars.pop(0)
if c == 'd':
chars.insert(0, 'e')
assert_true(c in 'abcde', '%s was unexpected here!' % c)
assert_equal(list(chars), list('edcba'))
