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import sys
from Stack import *
def test():
s = Stack()
print repr(s)
s = Stack()
for i in range(1000):
s.push(i)
while s:
print s.pop(),
# which could also be done as:
s = StackFromSequence(range(1000))
while s:
print s.pop(),
# or a little different
s = StackFromSequence(range(1000))
print s.as_tuple()
print s.as_list()
print
# pop many
print 'Pop 3 entries at once:',s.pop_many(3)
# push many
print 'Push many.'
s.push_many(range(100))
assert s.pop_many(100) == tuple(range(100-1,-1,-1))
assert len(s) > 0
s.resize()
s.clear()
assert len(s) == 0
# push many + exceptions
class C:
def __getitem__(self,i):
if i < 50:
return i + 1
else:
raise IndexError
def __len__(self):
return 100
l = C()
try:
s.push_many(l)
except IndexError:
pass
else:
raise AssertionError,'push_many() does not handle errors correctly'
assert len(s) == 0
del s
# Implementation deleaked up to this line.
print
print 'Works.'
if '-c' in sys.argv:
while 1:
test()
else:
test()
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