/// <summary>
/// Note that Explore can silently fail (exits with 1), if a second chance AV happens
/// </summary>
/// <param name="timer"></param>
/// <param name="planManager"></param>
/// <param name="methodWeigthing"></param>
/// <param name="forbidNull"></param>
/// <param name="mutateFields"></param>
public void Explore(ITimer timer, PlanManager planManager, MethodWeighing methodWeigthing,
bool forbidNull, bool mutateFields, bool fairOpt)
{
int currentPlans = planManager.Plans;
int currentRedundantAdds = planManager.RedundantAdds;
// Start timing test generation.
Timer.QueryPerformanceCounter(ref TimeTracking.generationStartTime);
//exercise the fair option
if (fairOpt)
{
Console.WriteLine("Using the fair option ....");
//fairOptLog = new StreamWriter("Randoop.fairopt.log");
//compute the initial working set and the active methods for each class
InitializeActiveMemberAndDependency(planManager);
for (; ; )
{
//field setting
if (mutateFields && this.actions.fieldList.Count > 0 && Common.Enviroment.Random.Next(2) == 0)
NewFieldSettingPlan(this.actions.RandomField(), planManager, forbidNull);
//If the active set is recomputed from scratch
//InitializeActiveMemberAndDependency(planManager);
//copy the keys
Dictionary<Type, bool>.KeyCollection keys = new Dictionary<Type, bool>.KeyCollection(activeTypes);
List<Type> activeList = new List<Type>();
foreach (Type t in keys) activeList.Add(t);
RandoopPrintFairStats("Randoop.RandomExplore::Explore", "Starting a round of the fair workset algorithm with " + activeTypes.Count + "activeTypes");
foreach (Type t in activeList)
{
//pick up an active method of the type
MemberInfo m;
try
{
m = this.actions.RandomActiveMethodorConstructor(activeMembers, t);
}
catch (Exception e)
{
Console.WriteLine("Exception raised from RandomActiveMethodorConstructor is {0}", e.ToString());
continue;
}
//Console.WriteLine("Picked up method {0}::{1}", m.DeclaringType,m.Name );
int prevBuilderPlanCnt = planManager.builderPlans.NumPlans;
//Randoop step
ExploreMemberInternal(timer, planManager, forbidNull, m);
//need to know if the object creation was succesful, since we know the type
//we do it indirectly by looking at the builder plans
if (planManager.builderPlans.NumPlans > prevBuilderPlanCnt)
{
Type retType;
if (m is MethodInfo)
{
retType = (m as MethodInfo).ReturnType;
}
else if (m is ConstructorInfo)
{
retType = (m as ConstructorInfo).DeclaringType;
}
else
{
throw new RandoopBug("Constructor or Method expected");
}
//use the return type of the method/constructor to incrementally activate more methods/classes
try
{
UpdateActiveMethodsAndClasses(retType);
}
catch (Exception e) // had a nasty bug in the updateActiveMethodsAndClasses, so using try-catch
{
Console.WriteLine("Exception raised from UpdateActiveMethodsAndClasses is {0}", e.ToString());
}
}
if (timer.TimeToStop())
{
//get the size of # of active members
int size = 0;
foreach (KeyValuePair<Type, List<MemberInfo>> kv in activeMembers)
{
List<MemberInfo> l = kv.Value;
size = size + l.Count;
}
//stats printing
Console.WriteLine("Finishing the fair exploration...printing activity stats");
Console.WriteLine("Stats: <#ActiveTypes, #ActiveMembers, #BuilderPlans, #typesWithObjs> = <{0},{1},{2},{3}>",
activeTypes.Count, size, planManager.builderPlans.NumPlans, typesWithObjects.Count);
//fairOptLog.Close();
return;
}
}
}
}
else
{
#region Old code for the Randoop exploration
for (; ; )
{
//field setting
if (mutateFields && this.actions.fieldList.Count > 0 && Common.Enviroment.Random.Next(2) == 0)
NewFieldSettingPlan(this.actions.RandomField(), planManager, forbidNull);
MemberInfo m;
if (methodWeigthing == MethodWeighing.RoundRobin)
{
m = this.actions.RandomMethodOrConstructorRoundRobin();
}
else if (methodWeigthing == MethodWeighing.Uniform)
{
m = this.actions.RandomMethodOrConstructorUniform();
}
else
throw new RandoopBug("Unrecognized method weighting option.");
ExploreMemberInternal(timer, planManager, forbidNull, m);
if (timer.TimeToStop())
{
// this computation gives us the activity stats for the non-fair option
InitializeActiveMemberAndDependency(planManager);
//get the size of # of active members
int size = 0;
foreach (KeyValuePair<Type, List<MemberInfo>> kv in activeMembers)
{
List<MemberInfo> l = kv.Value;
size = size + l.Count;
}
//stats printing
Console.WriteLine("Finishing the non-fair exploration...printing activity stats");
Console.WriteLine("Stats: <#ActiveTypes, #ActiveMembers, #BuilderPlans, #typesWithObjs> = <{0},{1},{2},{3}>",
activeTypes.Count, size, planManager.builderPlans.NumPlans, typesWithObjects.Count);
//fairOptLog.Close();
return;
}
}
#endregion
}
}
public void RestoreTimer(ITimer timer)
{
TimerPool.Restore(timer);
}
private void ExploreMemberInternal(ITimer timer, PlanManager planManager, bool forbidNull,
MemberInfo m)
{
Type[] sugg = GetParameterTypeSuggestions(m, planManager);
if (m is ConstructorInfo)
{
NewConstructorPlan((m as ConstructorInfo).DeclaringType, m as ConstructorInfo, planManager,
forbidNull, sugg);
}
else
{
Util.Assert(m is MethodInfo);
NewMethodPlan((m as MethodInfo).DeclaringType, m as MethodInfo, planManager, forbidNull, sugg);
}
}
public CStateMachine(CCallManager manager)
{
// store manager reference...
_manager = manager;
// create call proxy
_sigProxy = _manager.Factory.createCallProxy();
// initialize call states
_stateIdle = new CIdleState(this);
_stateAlerting = new CAlertingState(this);
_stateActive = new CActiveState(this);
_stateCalling = new CConnectingState(this);
_stateReleased = new CReleasedState(this);
_stateIncoming = new CIncomingState(this);
_stateHolding = new CHoldingState(this);
// change state
_state = _stateIdle;
// initialize data
Time = System.DateTime.Now;
Duration = System.TimeSpan.Zero;
// Initialize timers
if (null != _manager)
{
_noreplyTimer = _manager.Factory.createTimer();
_noreplyTimer.Interval = 15000; // hardcoded to 15s
_noreplyTimer.Elapsed = new TimerExpiredCallback(_noreplyTimer_Elapsed);
_releasedTimer = _manager.Factory.createTimer();
_releasedTimer.Interval = 5000; // hardcoded to 15s
_releasedTimer.Elapsed = new TimerExpiredCallback(_releasedTimer_Elapsed);
}
}