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tests: verify transpilation and execution of CSWAP gates #113

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Nov 24, 2023
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tests: verify transpilation and execution of CSWAP gates #113

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24 changes: 23 additions & 1 deletion test/test_execution.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@

from qiskit_aqt_provider import AQTProvider
from qiskit_aqt_provider.aqt_resource import AQTResource
from qiskit_aqt_provider.test.circuits import qft_circuit
from qiskit_aqt_provider.test.circuits import assert_circuits_equivalent, qft_circuit
from qiskit_aqt_provider.test.fixtures import MockSimulator
from qiskit_aqt_provider.test.resources import TestResource
from qiskit_aqt_provider.test.timeout import timeout
Expand Down Expand Up @@ -399,6 +399,28 @@ def test_initialize_not_supported(offline_simulator_no_noise: AQTResource) -> No
qiskit.transpile(qc, offline_simulator_no_noise)


@pytest.mark.parametrize("optimization_level", range(4))
def test_cswap(optimization_level: int, offline_simulator_no_noise: AQTResource) -> None:
"""Verify that CSWAP (Fredkin) gates can be transpiled and executed (in a trivial case)."""
qc = QuantumCircuit(3)
qc.prepare_state("101")
qc.cswap(0, 1, 2)

trans_qc = qiskit.transpile(
qc, offline_simulator_no_noise, optimization_level=optimization_level
)
assert_circuits_equivalent(qc, trans_qc)

qc.measure_all()
shots = 200
job = qiskit.execute(
qc, offline_simulator_no_noise, optimization_level=optimization_level, shots=shots
)
counts = job.result().get_counts()

assert counts == {"011": shots}


@pytest.mark.parametrize(("shots", "qubits"), [(100, 3)])
def test_simulator_quantum_volume(
shots: int, qubits: int, offline_simulator_no_noise: AQTResource
Expand Down