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|
# Check every path through every method of UserList
from UserList import UserList
l0 = []
l1 = [0]
l2 = [0, 1]
# Test constructors
u = UserList()
u0 = UserList(l0)
u1 = UserList(l1)
u2 = UserList(l2)
uu = UserList(u)
uu0 = UserList(u0)
uu1 = UserList(u1)
uu2 = UserList(u2)
v = UserList(tuple(u))
class OtherList:
def __init__(self, initlist):
self.__data = initlist
def __len__(self):
return len(self.__data)
def __getitem__(self, i):
return self.__data[i]
v0 = UserList(OtherList(u0))
vv = UserList("this is also a sequence")
# Test __repr__
assert str(u0) == str(l0)
assert repr(u1) == repr(l1)
assert `u2` == `l2`
# Test __cmp__ and __len__
def mycmp(a, b):
r = cmp(a, b)
if r < 0: return -1
if r > 0: return 1
return r
all = [l0, l1, l2, u, u0, u1, u2, uu, uu0, uu1, uu2]
for a in all:
for b in all:
assert mycmp(a, b) == mycmp(len(a), len(b))
# Test __getitem__
for i in range(len(u2)):
assert u2[i] == i
# Test __setitem__
uu2[0] = 0
uu2[1] = 100
try:
uu2[2] = 200
except IndexError:
pass
else:
assert 0, "uu2[2] shouldn't be assignable"
# Test __delitem__
del uu2[1]
del uu2[0]
try:
del uu2[0]
except IndexError:
pass
else:
assert 0, "uu2[0] shouldn't be deletable"
# Test __getslice__
for i in range(-3, 4):
assert u2[:i] == l2[:i]
assert u2[i:] == l2[i:]
for j in range(-3, 4):
assert u2[i:j] == l2[i:j]
# Test __setslice__
for i in range(-3, 4):
u2[:i] = l2[:i]
assert u2 == l2
u2[i:] = l2[i:]
assert u2 == l2
for j in range(-3, 4):
u2[i:j] = l2[i:j]
assert u2 == l2
uu2 = u2[:]
uu2[:0] = [-2, -1]
assert uu2 == [-2, -1, 0, 1]
uu2[0:] = []
assert uu2 == []
# Test __delslice__
uu2 = u2[:]
del uu2[1:2]
del uu2[0:1]
assert uu2 == []
uu2 = u2[:]
del uu2[1:]
del uu2[:1]
assert uu2 == []
# Test __add__, __radd__, __mul__ and __rmul__
assert u1 + [] == [] + u1 == u1
assert u1 + [1] == u2
assert [-1] + u1 == [-1, 0]
assert u2 == u2*1 == 1*u2
assert u2+u2 == u2*2 == 2*u2
assert u2+u2+u2 == u2*3 == 3*u2
# Test append
u = u1[:]
u.append(1)
assert u == u2
# Test insert
u = u2[:]
u.insert(0, -1)
assert u == [-1, 0, 1]
# Test pop
u = [-1] + u2
u.pop()
assert u == [-1, 0]
u.pop(0)
assert u == [0]
# Test remove
u = u2[:]
u.remove(1)
assert u == u1
# Test count
u = u2*3
assert u.count(0) == 3
assert u.count(1) == 3
assert u.count(2) == 0
# Test index
assert u2.index(0) == 0
assert u2.index(1) == 1
try:
u2.index(2)
except ValueError:
pass
else:
assert 0, "expected ValueError"
# Test reverse
u = u2[:]
u.reverse()
assert u == [1, 0]
u.reverse()
assert u == u2
# Test sort
u = UserList([1, 0])
u.sort()
assert u == u2
# Test extend
u = u1[:]
u.extend(u2)
assert u == u1 + u2
|
