def test_duration_message_conversions(self):
duration = Duration(nanoseconds=1)
builtins_msg = Builtins()
builtins_msg.duration_value = duration.to_msg()
duration2 = Duration.from_msg(builtins_msg.duration_value)
assert isinstance(duration2, Duration)
assert duration2.nanoseconds == 1
def test_time_message_conversions_big_nanoseconds(self):
time1 = Time(nanoseconds=1553575413247045598, clock_type=ClockType.ROS_TIME)
builtins_msg = Builtins()
builtins_msg.time_value = time1.to_msg()
# Default clock type resulting from from_msg will be ROS time
time2 = Time.from_msg(builtins_msg.time_value)
assert isinstance(time2, Time)
assert time1 == time2
def test_time_message_conversions(self):
time1 = Time(nanoseconds=1, clock_type=ClockType.ROS_TIME)
builtins_msg = Builtins()
builtins_msg.time_value = time1.to_msg()
# Default clock type resulting from from_msg will be ROS time
time2 = Time.from_msg(builtins_msg.time_value)
assert isinstance(time2, Time)
assert time1 == time2
# Clock type can be specified if appropriate
time3 = Time.from_msg(builtins_msg.time_value, clock_type=ClockType.SYSTEM_TIME)
assert time3.clock_type == ClockType.SYSTEM_TIME
def get_msg_builtins():
msg = Builtins()
msg.duration_value.sec = -1234567890
msg.duration_value.nanosec = 123456789
msg.time_value.sec = -1234567890
msg.time_value.nanosec = 987654321
return [msg]