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# coding=utf-8
from SimPy.SimulationRT import *
class Ticker(Process):
def tick(self):
self.timing = []
while True:
yield hold,self,1
tSim = self.sim.now()
tRT = self.sim.rtnow()
self.timing.append((tSim,tRT))
def test_ticker():
"""Tests SimulationRT for degree to which simulation time and wallclock
time can be synchronized."""
rel_speed = 10
sim_slow=SimulationRT()
t=Ticker(sim=sim_slow)
sim_slow.activate(t,t.tick())
sim_slow.simulate(until=10,real_time=True,rel_speed=rel_speed)
for tSim, tRT in t.timing:
assert tSim/tRT > rel_speed - 1
rel_speed = 20
sim_fast=SimulationRT()
sim_fast.initialize()
t=Ticker(sim=sim_fast)
sim_fast.activate(t,t.tick())
sim_fast.simulate(until=10,real_time=True,rel_speed=rel_speed)
for tSim, tRT in t.timing:
assert tSim/tRT > rel_speed - 1
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