public void Simulate_EnumerableReturned()
{
var process = new Process();
var enumerator = process.Simulate();
Assert.IsNotNull(enumerator);
Assert.IsFalse(enumerator.MoveNext());
}
public void Constructor_SimulationContextExists_ProcessRegistered()
{
using(var context = new SimulationContext(isDefaultContextForProcess: true)){
var process = new Process();
Assert.IsNotNull(process.SimulationState);
Assert.IsTrue(process.SimulationState.IsActive);
var registeredProcesses = context.GetByType<Process>();
Assert.IsTrue(registeredProcesses.Contains(process));
}
}
public void MoveToTimePeriod_TimePeriodSpecified_ProcessCollectionsInitialised()
{
using (var context = new SimulationContext(isDefaultContextForProcess: true)){
var process1 = new Process();
var process2 = new Process();
var process3 = new Process();
var processes = new List<Process>(){
process1,
process2,
process3
};
Assert.AreEqual(0, context.TimePeriod);
context.MoveToTimePeriod(1);
Assert.AreEqual(1, context.TimePeriod);
Assert.AreEqual(processes.Count, context.ActiveProcesses.Count);
foreach(var process in processes){
Assert.IsTrue(context.ActiveProcesses.Contains(process));
Assert.IsTrue(context.ProcessesRemainingThisTimePeriod.Contains(process));
}
}
}
/// <summary>
/// Simulate a single process at the current time period
/// </summary>
/// <param name='process'>
/// The process to be simulated
/// </param>
/// <param name='nextTimePeriod'>
/// The next time period in which this process should be simulated (if known)
/// </param>
private void SimulateProcessAtTimePeriod(Process process, ref long? nextTimePeriod)
{
bool shouldMoveNext = true;
while (shouldMoveNext && !Context.IsSimulationTerminating) {
InstructionBase currentInstruction = process.SimulationState.InstructionEnumerator.Current;
bool didComplete = false;
if (currentInstruction != null) {
long? nextTimePeriodCheck = null;
if (process.SimulationState.IsInterrupted) {
currentInstruction.Interrupt(Context);
}
else if (currentInstruction.IsInterrupted || currentInstruction.IsCompleted){
// no further processing of the instruction is needed
}
else if (currentInstruction.CanComplete(Context, out nextTimePeriodCheck)) {
currentInstruction.Complete(Context);
didComplete = true;
}
else {
shouldMoveNext = false;
}
if (!didComplete){
if (nextTimePeriodCheck != null && (nextTimePeriod == null || nextTimePeriodCheck < nextTimePeriod)) {
nextTimePeriod = nextTimePeriodCheck.Value;
}
}
}
if (shouldMoveNext) {
bool couldMoveNext = process.SimulationState.InstructionEnumerator.MoveNext();
if (couldMoveNext){
process.SimulationState.InstructionEnumerator.Current.RaisedInTimePeriod = Context.TimePeriod;
}
else {
shouldMoveNext = false;
process.SimulationState.IsComplete = true;
Context.ActiveProcesses.Remove(process);
}
}
}
if (process.SimulationState.IsInterrupted)
{
// ensure the process is not in the interrupted state
process.SimulationState.IsInterrupted = false;
}
}