SpinalSim single clock fifo example

//Compile the simulator
val compiled = SimConfig.withWave.allOptimisation.compile(
  rtl = new StreamFifo(
    dataType = Bits(32 bits),
    depth = 32
  )
)

//Run the simulation
compiled.doSimUntilVoid{dut =>
  val queueModel = mutable.Queue[Long]()

  dut.clockDomain.forkStimulus(period = 10)
  SimTimeout(1000000*10)

  //Push data randomly and fill the queueModel with pushed transactions
  val pushThread = fork{
    dut.io.push.valid #= false
    while(true){
      dut.io.push.valid.randomize()
      dut.io.push.payload.randomize()
      dut.clockDomain.waitSampling()
      if(dut.io.push.valid.toBoolean && dut.io.push.ready.toBoolean){
        queueModel.enqueue(dut.io.push.payload.toLong)
      }
    }
  }

  //Pop data randomly and check that it match with the queueModel
  val popThread = fork{
    dut.io.pop.ready #= true
    Suspendable.repeat(1000000){
      dut.io.pop.ready.randomize()
      dut.clockDomain.waitSampling()
      if(dut.io.pop.valid.toBoolean && dut.io.pop.ready.toBoolean){
        assert(dut.io.pop.payload.toLong == queueModel.dequeue())
      }
    }
    simSuccess()
  }
}