def test_custom_two_qubit_control_gate_other_qubits_not_affected():
eqsn = EQSN()
eqsn.new_qubit("400")
eqsn.new_qubit("200")
eqsn.new_qubit("300")
eqsn.new_qubit("100")
eqsn.new_qubit("500")
eqsn.X_gate("100")
eqsn.X_gate("200")
eqsn.X_gate("500")
# CNOT gate
custom_gate = np.asarray(
[[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 0, 1], [0, 0, 1, 0]]
)
eqsn.custom_two_qubit_control_gate("100", "200", "500", custom_gate)
m1 = eqsn.measure("100")
m2 = eqsn.measure("200")
m3 = eqsn.measure("300")
m4 = eqsn.measure("400")
m5 = eqsn.measure("500")
assert m2 == 1
assert m3 == 0
assert m1 == 1
assert m4 == 0
assert m5 == 0
eqsn.stop_all()
def test_custom_two_qubit_control_gate_control_not_applied():
eqsn = EQSN()
eqsn.new_qubit("100")
eqsn.new_qubit("200")
eqsn.new_qubit("300")
eqsn.X_gate("200")
# Swap gate
custom_gate = np.asarray(
[[1, 0, 0, 0], [0, 0, 1, 0], [0, 1, 0, 0], [0, 0, 0, 1]]
)
eqsn.custom_two_qubit_control_gate("100", "200", "300", custom_gate)
m1 = eqsn.measure("100")
m2 = eqsn.measure("200")
m3 = eqsn.measure("300")
assert m2 == 1
assert m3 == 0
assert m1 == 0
eqsn.stop_all()