def test_three_qubit_depolarizing_representation_error():
q0, q1, q2 = LineQubit.range(3)
with pytest.raises(ValueError):
represent_operation_with_global_depolarizing_noise(
Circuit(CCNOT(q0, q1, q2)),
0.05,
)
def test_three_qubit_biased_noise_representation_error():
q0, q1, q2 = LineQubit.range(3)
with pytest.raises(ValueError):
represent_operation_with_local_biased_noise(
Circuit(CCNOT(q0, q1, q2)), 0.05, 10
)
def test_three_qubit_depolarizing_decomposition():
q0, q1, q2 = LineQubit.range(3)
noise_level = 0.05
with pytest.raises(ValueError):
depolarizing_decomposition(CCNOT(q0, q1, q2), noise_level)