circuitpython/tests/basics/set_pop.py

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2014-01-12 13:23:36 -05:00
s = {1}
print(s.pop())
try:
print(s.pop(), "!!!")
except KeyError:
pass
else:
print("Failed to raise KeyError")
# this tests an optimisation in mp_set_remove_first
# N must not be equal to one of the values in hash_allocation_sizes
N = 11
s = set(range(N))
while s:
print(s.pop()) # last pop() should trigger the optimisation
for i in range(N):
s.add(i) # check that we can add the numbers back to the set
print(list(s))