add info if the current powertrain is the 'real' powertrain or a test-powertrain to databus

use in brakes as for AT powertrains no dry-run requests are used and the brake power may get negative

VectoCore/VectoCore/Models/Simulation/DataBus/IDataBus.cs

@@ -84,6 +84,8 @@ namespace TUGraz.VectoCore.Models.Simulation.DataBus
 
 		IHybridControllerCtl HybridControllerCtl { get; }
 		IAngledriveInfo AngledriveInfo { get; }
+		
+		bool IsTestPowertrain { get; }
 	}
 
 	public interface IPowertainInfo

VectoCore/VectoCore/Models/Simulation/Impl/VehicleContainer.cs

@@ -78,6 +78,10 @@ namespace TUGraz.VectoCore.Models.Simulation.Impl
 
 		public virtual ITorqueConverterControl TorqueConverterCtl { get; private set; }
 
+		public virtual bool IsTestPowertrain
+		{
+			get { return false; }
+		}
 
 		internal ISimulationOutPort Cycle;
 

VectoCore/VectoCore/Models/SimulationComponent/Impl/Brakes.cs

@@ -71,7 +71,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 				}
 			}
 
-			if (!dryRun && BrakePower < 0) {
+			if (!dryRun && !DataBus.IsTestPowertrain && BrakePower < 0) {
 				throw new VectoSimulationException("Negative Braking Power is not allowed! P_br: {0}", BrakePower);
 			}
 			CurrentState.SetState(outTorque + brakeTorque, outAngularVelocity, outTorque, outAngularVelocity);

VectoCore/VectoCore/Models/SimulationComponent/Impl/ElectricMotor.cs

@@ -29,8 +29,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 		protected internal Joule ThermalBuffer = 0.SI<Joule>();
 		protected internal bool DeRatingActive = false;
 		
-		private bool IsTestPowertrain;
-
 		public Joule OverloadBuffer { get; }
 		public NewtonMeter ContinuousTorque { get; }
 
@@ -43,8 +41,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			Position = position;
 			container.AddComponent(this); // We have to do this again because in the base class the position is unknown!
 
-			IsTestPowertrain = container is SimplePowertrainContainer;
-
 			ContinuousTorque = ModelData.ContinuousPower / ModelData.ContinuousPowerSpeed;
 			var contElPwr =
 				ModelData.EfficiencyMap.LookupElectricPower(ModelData.ContinuousPowerSpeed, -ContinuousTorque).ElectricalPower ??
@@ -161,7 +157,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 			var emTorque = emTorqueDt == null ? null : ConvertDrivetrainTorqueToEm(emTorqueDt);
 			var emOff = emTorqueDt == null;
 
-			if (!dryRun && !IsTestPowertrain && emTorqueDt != null && ((emTorque).IsSmaller(maxDriveTorqueEm ?? 0.SI<NewtonMeter>(), 1e-3) ||
+			if (!dryRun && !DataBus.IsTestPowertrain && emTorqueDt != null && ((emTorque).IsSmaller(maxDriveTorqueEm ?? 0.SI<NewtonMeter>(), 1e-3) ||
 																		(emTorque).IsGreater(maxRecuperationTorqueEm ?? 0.SI<NewtonMeter>(), 1e-3))) {
 				// check if provided EM torque (drivetrain) is valid)
 				if ((!avgDtSpeed.IsEqual(DataBus.HybridControllerInfo.ElectricMotorSpeed(Position)) ||
@@ -237,7 +233,7 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl
 
 			var electricSupplyResponse =
 				ElectricPower.Request(absTime, dt, electricPower, dryRun);
-			if (!dryRun && !IsTestPowertrain && !emOff && !(electricSupplyResponse is ElectricSystemResponseSuccess)) {
+			if (!dryRun && !DataBus.IsTestPowertrain && !emOff && !(electricSupplyResponse is ElectricSystemResponseSuccess)) {
 				if ( !avgEmSpeed.IsEqual(DataBus.HybridControllerInfo.ElectricMotorSpeed(Position))) {
 					return new ResponseInvalidOperatingPoint(this);
 				}

VectoCore/VectoCore/Models/SimulationComponent/Impl/SimplePowertrainContainer.cs

@@ -32,6 +32,11 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Impl {
 
 		public override IDriverInfo DriverInfo { get { return base.DriverInfo ?? this; } }
 
+		public override bool IsTestPowertrain
+		{
+			get { return true; }
+		}
+
 		#region Implementation of IDriverInfo
 
 		public DrivingBehavior DriverBehavior

VectoCore/VectoCoreTest/Utils/MockVehicleContainer.cs

@@ -167,6 +167,10 @@ namespace TUGraz.VectoCore.Tests.Utils
 		public IHybridControllerInfo HybridControllerInfo { get; }
 		public IHybridControllerCtl HybridControllerCtl { get; }
 		public IAngledriveInfo AngledriveInfo { get; }
+		public bool IsTestPowertrain
+		{
+			get { return false; }
+		}
 
 		public Watt GearboxLoss()
 		{