tests/test_realtime.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2012 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 import realtime
  18
  19 redef extern class Timespec
  20         fun simplify : Int
  21         do
  22                 return sec*1000000 + nanosec/1000
  23         end
  24 end
  25
  26 var c = new Clock
  27 var t0 = c.total.simplify
  28
  29 print "sleeping 1s"
  30 nanosleep(1, 0)
  31 print c.total.sec >= 1
  32 print c.lapse.sec >= 1
  33
  34 var t1 = c.total.simplify
  35
  36 print "sleeping 5000ns"
  37 nanosleep(0, 5000)
  38 print c.lapse.nanosec >= 5000
  39
  40 var t2 = c.total.simplify
  41
  42 print t0 <= t1
  43 print t1 <= t2