def test_barrier_with_align_left(self):
"""Test barrier directive with left alignment context."""
d0 = pulse.DriveChannel(0)
d1 = pulse.DriveChannel(1)
d2 = pulse.DriveChannel(2)
with pulse.build() as schedule:
with pulse.align_left():
pulse.delay(3, d0)
pulse.barrier(d0, d1, d2)
pulse.delay(11, d2)
with pulse.align_left():
pulse.delay(5, d1)
pulse.delay(7, d0)
schedule = transforms.remove_directives(schedule)
reference = pulse.Schedule()
# d0
reference.insert(0, instructions.Delay(3, d0), inplace=True)
reference.insert(3, instructions.Delay(7, d0), inplace=True)
# d1
reference.insert(3, instructions.Delay(5, d1), inplace=True)
# d2
reference.insert(3, instructions.Delay(11, d2), inplace=True)
self.assertEqual(schedule, reference)
def test_barrier_on_qubits(self):
"""Test barrier directive on qubits."""
with pulse.build(self.backend) as schedule:
pulse.barrier(0, 1)
reference = pulse.Schedule()
reference += directives.RelativeBarrier(pulse.DriveChannel(0),
pulse.DriveChannel(1),
pulse.MeasureChannel(0),
pulse.MeasureChannel(1),
pulse.ControlChannel(0),
pulse.ControlChannel(1),
pulse.AcquireChannel(0),
pulse.AcquireChannel(1))
self.assertEqual(schedule, reference)
def test_trivial_barrier(self):
"""Test that trivial barrier is not added."""
with pulse.build() as schedule:
pulse.barrier(pulse.DriveChannel(0))
self.assertEqual(schedule, pulse.Schedule())