def test_dirty_qubit_tag():
tag0 = _dirtyqubit.DirtyQubitTag()
tag1 = _dirtyqubit.DirtyQubitTag()
tag2 = ComputeTag()
assert tag0 == tag1
assert not tag0 != tag1
assert not tag0 == tag2
def test_qubit_placement_tag():
tag0 = QubitPlacementTag(0)
tag1 = QubitPlacementTag(0)
tag2 = QubitPlacementTag(2)
tag3 = ComputeTag()
assert tag0 == tag1
assert not tag0 == tag2
assert not tag0 == tag3
assert not tag3 == tag2
def test_loop_tag():
tag0 = _loop.LoopTag(10)
tag1 = _loop.LoopTag(10)
tag2 = tag0
tag3 = deepcopy(tag0)
tag3.num = 9
other_tag = ComputeTag()
assert tag0 == tag2
assert tag0 != tag1
assert not tag0 == tag3
assert not tag0 == other_tag
def _has_compute_uncompute_tag(self, cmd):
"""
Return True if command cmd has a compute/uncompute tag.
Args:
cmd (Command object): a command object.
"""
for t in cmd.tags:
if t in [UncomputeTag(), ComputeTag()]:
return True
return False
def test_logical_qubit_id_tag():
tag0 = _logicalqubit.LogicalQubitIDTag(10)
tag1 = _logicalqubit.LogicalQubitIDTag(1)
tag2 = tag0
tag3 = deepcopy(tag0)
tag3.logical_qubit_id = 9
other_tag = ComputeTag()
assert tag0 == tag2
assert tag0 != tag1
assert not tag0 == tag3
assert not tag0 == other_tag
def test_control_engine_has_compute_tag():
eng = MainEngine(backend=DummyEngine(), engine_list=[DummyEngine()])
qubit = eng.allocate_qubit()
test_cmd0 = Command(eng, H, (qubit,))
test_cmd1 = Command(eng, H, (qubit,))
test_cmd2 = Command(eng, H, (qubit,))
test_cmd0.tags = [DirtyQubitTag(), ComputeTag(), DirtyQubitTag()]
test_cmd1.tags = [DirtyQubitTag(), UncomputeTag(), DirtyQubitTag()]
test_cmd2.tags = [DirtyQubitTag()]
assert _control._has_compute_uncompute_tag(test_cmd0)
assert _control._has_compute_uncompute_tag(test_cmd1)
assert not _control._has_compute_uncompute_tag(test_cmd2)
def test_command_get_inverse(main_engine):
qubit = main_engine.allocate_qubit()
ctrl_qubit = main_engine.allocate_qubit()
cmd = _command.Command(main_engine, Rx(0.5), (qubit,))
cmd.add_control_qubits(ctrl_qubit)
cmd.tags = [ComputeTag()]
inverse_cmd = cmd.get_inverse()
assert inverse_cmd.gate == Rx(-0.5 + 4 * math.pi)
assert len(cmd.qubits) == len(inverse_cmd.qubits)
assert cmd.qubits[0][0].id == inverse_cmd.qubits[0][0].id
assert id(cmd.qubits[0][0]) != id(inverse_cmd.qubits[0][0])
assert len(cmd.control_qubits) == len(inverse_cmd.control_qubits)
assert cmd.control_qubits[0].id == inverse_cmd.control_qubits[0].id
assert id(cmd.control_qubits[0]) != id(inverse_cmd.control_qubits[0])
assert cmd.tags == inverse_cmd.tags
assert id(cmd.tags[0]) != id(inverse_cmd.tags[0])
assert id(cmd.engine) == id(inverse_cmd.engine)