text: import time
  import unittest
  
  from malcolm.core.timestamp import TimeStamp
  
  
  class TestAlarm(unittest.TestCase):
  
      def test_no_args(self):
          now = time.time()
          o = TimeStamp()
          self.assertAlmostEqual(now, o.to_time(), delta=0.2)
  
      def test_args(self):
          o = TimeStamp(1231112, 211255265, 43)
          assert o.secondsPastEpoch == 1231112
          assert o.nanoseconds == 211255265
          assert o.userTag == 43
          assert o.to_time() == 1231112.211255265
  