def test_create_shuffle_keep_same():
Key.set_random_seed(1111)
Shuffle.set_random_seed(1112)
# Empty shuffle.
key = Key()
assert key.__str__() == ""
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
assert shuffle.__str__() == ""
# Non-empty shuffle.
key = Key.create_random_key(8)
assert key.__str__() == "00101100"
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_KEEP_SAME)
assert shuffle.__str__() == "0->0 1->1 2->2 3->3 4->4 5->5 6->6 7->7"
for index in range(key.get_size()):
assert shuffle.get_bit(key, index) == key.get_bit(index)
def test_create_shuffle_random():
Key.set_random_seed(1111)
Shuffle.set_random_seed(1112)
# Empty shuffle.
key = Key()
assert key.__str__() == ""
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
assert shuffle.__str__() == ""
# Non-empty shuffle.
key = Key.create_random_key(16)
assert key.__str__() == "0010110001010010"
shuffle = Shuffle(key.get_size(), Shuffle.SHUFFLE_RANDOM)
assert shuffle.__str__() == ("0->2 1->9 2->8 3->7 4->3 5->12 6->1 7->5 8->13 "
"9->6 10->0 11->14 12->10 13->4 14->11 15->15")
key = Key()
assert key.__str__() == ""
def test_copy_without_noise():
Key.set_random_seed(3456)
# Copy an empty key.
key = Key()
assert key.__str__() == ""
key_copy = key.copy(0.0, Key.ERROR_METHOD_EXACT)
assert key.__str__() == ""
assert key_copy.__str__() == ""
# Copy a non-empty key.
key = Key.create_random_key(64)
assert key.__str__() == "1110011000011110100111010001100011100000010011010101110100000010"
key_copy = key.copy(0.0, Key.ERROR_METHOD_EXACT)
assert key.__str__() == "1110011000011110100111010001100011100000010011010101110100000010"
assert key_copy.__str__() == "1110011000011110100111010001100011100000010011010101110100000010"
# Make sure that each key has an independent copy of the bits; i.e. that changing a bit in the
# original key does not affect the copied key, or vice versa.
key_copy.flip_bit(1)
assert key.__str__() == "1110011000011110100111010001100011100000010011010101110100000010"
assert key_copy.__str__() == "1010011000011110100111010001100011100000010011010101110100000010"
def test_str():
Key.set_random_seed(222)
key = Key()
assert key.__str__() == ""
key = Key.create_random_key(8)
assert key.__str__() == "00110010"