def test_bell_state_to_from_qasm():
"""Tests cirq.Circuit --> QASM string --> cirq.Circuit
with a Bell state circuit.
"""
qreg = cirq.LineQubit.range(2)
cirq_circuit = cirq.Circuit(
[cirq.ops.H.on(qreg[0]),
cirq.ops.CNOT.on(qreg[0], qreg[1])])
qasm = to_qasm(cirq_circuit) # Qasm from Cirq
circuit_cirq = from_qasm(qasm)
assert _equal(cirq_circuit, circuit_cirq)
def test_random_circuit_to_from_qasm():
"""Tests cirq.Circuit --> QASM string --> cirq.Circuit
with a random one-qubit circuit.
"""
cirq_circuit = cirq.testing.random_circuit(qubits=2,
n_moments=10,
op_density=0.99,
random_state=2)
qasm = to_qasm(cirq_circuit)
circuit_cirq = from_qasm(qasm)
assert cirq.equal_up_to_global_phase(cirq_circuit.unitary(),
circuit_cirq.unitary())
