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'))
def test_remove(self):
items = ItemList(str, items='abcba')
items.remove('c')
assert_equal(list(items), list('abba'))
items.remove('a')
assert_equal(list(items), list('bba'))
items.remove('b')
items.remove('a')
items.remove('b')
assert_equal(list(items), list(''))
assert_raises(ValueError, items.remove, 'nonex')
