// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

/**

 @file

 @test

 @internalComponent - Internal Symbian test code

*/

#include "gsatestapps.h"

#include <ssm/ssmstates.hrh>

#include <ssm/ssmsubstates.hrh>

#include <ssm/ssmstate.h>

#include <ssm/ssmstatetransition.h>

#include <ssm/ssmstatemanager.h>

#include <ssm/ssmstateawaresession.h>

#include <ssm/ssmdomaindefs.h>

#include "tgsastatetran_base.h"

class CStateTranFromNormal : public CTGsaStateTransition

	{

public:

	static CStateTranFromNormal* NewL();

	~CStateTranFromNormal();

	void StartTestL();

private:

	void ConstructL();

	CStateTranFromNormal();

public:

	void DoTestStateTranFromNormalL();

	};

static TInt StopScheduler(TAny* aStateTranFromNormal)

 	{

 	CStateTranFromNormal* stateTran = reinterpret_cast<CStateTranFromNormal*>(aStateTranFromNormal);

 	TRAPD(err,stateTran->CallStopSchedulerL());

 	return err;

 	}

static TInt StartTest(TAny* aStateTranFromNormal)

 	{

 	TInt testCompletionReason = KErrNone;

 	CStateTranFromNormal* stateTran = reinterpret_cast<CStateTranFromNormal*>(aStateTranFromNormal);

 	TBool stateTest = stateTran->DoStartStateTranTest();

 	if (stateTest)

		TRAP(testCompletionReason, stateTran->DoTestStateTranFromNormalL());

 	return testCompletionReason;

 	}

CStateTranFromNormal* CStateTranFromNormal::NewL()

	{

	CStateTranFromNormal* self = new(ELeave) CStateTranFromNormal();

	self->ConstructL();

	return self;

	}

void CStateTranFromNormal::ConstructL()

	{

	CTGsaStateTransition::ConstructL(KGsaTestStateTranResultFilePath);

	}

CStateTranFromNormal::~CStateTranFromNormal()

	{

	}

CStateTranFromNormal::CStateTranFromNormal()

	{

	}

// Tests the Fail state transitions under different scenarios

void CStateTranFromNormal::DoTestStateTranFromNormalL()

	{

	// This async callback is used to stop the scheduler once the system goes into fail state.

	iAsyncCallbackForStopScheduler =  new(ELeave) CAsyncCallBack(CActive::EPriorityIdle);

	TCallBack stopSchedulerCallback(StopScheduler, this);

	iAsyncCallbackForStopScheduler->Set(stopSchedulerCallback);

	// call the callback function which keeps looping until the system state gets into fail state.

	iAsyncCallbackForStopScheduler->CallBack();

	RSsmStateManager stateMan;

	TInt err = stateMan.Connect();

	if (err == KErrNone)

		RDebug::Print(_L("\nStateTran Test: RSsmStateManager sess Connect %d\n"), err);

	else

		{

		RDebug::Print(_L("\nStateTran Test: Unable to connect to RSsmStateManager sess\n"));	

		User::Leave(KTestAppFailure);

		}

	// Creates and open the result file for streaming

	err = iFileWriteStream.Replace(iFs, KGsaTestStateTranFromNormalResult, EFileWrite);

	RDebug::Print(_L("\nStateTran Test: iFileWriteStream open with %d\n"), err);

	// Gets the Current system state

	CurrentSystemStateL();

	//Scenario 1 - Request for state change from Normal to invalid state

	RDebug::Print(_L("\nStateTran Test: Scenario 1 \n"));

	TSsmState state(10, KSsmAnySubState);

	TSsmStateTransition stateTrans_InvalidState(state, 1);

	TRequestStatus status;

	stateMan.RequestStateTransition(stateTrans_InvalidState, status);

	RDebug::Print(_L("\nStateTran Test: Start RequestStateTransition from Normal to Invalid state with %d\n "), status.Int());

	User::WaitForRequest(status);

	iFileWriteStream.WriteInt32L(status.Int());

	if (status.Int() == KErrNotSupported)

		{

		CurrentSystemStateL();

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to Invalid state completes with %d Expected -5\n "), status.Int());

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to Invalid state Failed"));

		User::Leave(KTestAppFailure);

		}

	//Scenario 2 - Request for state change from Normal to fail state with invalid substate

	RDebug::Print(_L("\nStateTran Test: Scenario 2 \n"));

	const TInt KInvalidFailSubState = 20;

	state.Set(ESsmFail, KInvalidFailSubState);

	TSsmStateTransition stateTrans_InvalidSubState(state, 1);

	stateMan.RequestStateTransition(stateTrans_InvalidSubState, status);

	RDebug::Print(_L("\nStateTran Test: Start RequestStateTransition from Normal to fail state with invalid substate %d\n "), status.Int());

	User::WaitForRequest(status);

	iFileWriteStream.WriteInt32L(status.Int());

	if (status.Int() == KErrNotSupported)

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to fail state with invalid substate completes with %d Expected -5\n "), status.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to fail state with invalid substate Failed"));

		User::Leave(KTestAppFailure);		

		}

	TRequestStatus status1;

	TSsmState shutdownState_Critical(ESsmShutdown, ESsmShutdownSubStateCritical);

	TSsmStateTransition stateTrans_Shutdowncritical(shutdownState_Critical, 1);

	TRequestStatus status2;

	state.Set(ESsmFail, KSsmAnySubState);

	TSsmStateTransition stateTrans3(state, 1);

	//Scenario 3 - Request for two state changes(1. fail state 2. shutdown state) one after the other without waiting 

	// for the first one to complete. Cancels the state transition request. The first request to the fail state will be 

	// completed with KErrCancel and the second request to transit to the shutdown state is also completed with KErrCancel.

	RDebug::Print(_L("\nStateTran Test: Scenario 3 \n"));

	stateMan.RequestStateTransition(stateTrans3, status1);

	RDebug::Print(_L("\nStateTran Test: Start RequestStateTransition from Normal to fail state %d\n "), status1.Int());

	stateMan.RequestStateTransition(stateTrans_Shutdowncritical, status2);

	RDebug::Print(_L("\nStateTran Test: Start RequestStateTransition from Normal to shutdown state %d\n "), status2.Int());

	stateMan.RequestStateTransitionCancel();

	User::WaitForRequest(status1);

	iFileWriteStream.WriteInt32L(status1.Int());

	if (status1.Int() == KErrCancel)

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to fail state completes with %d Expected -3\n "), status1.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to fail state Failed"));

		User::Leave(KTestAppFailure);		

		}

	User::WaitForRequest(status2);

	iFileWriteStream.WriteInt32L(status2.Int());

	if (status2.Int() == KErrCancel)

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to shutdown state completes %d Expected -3\n "), status2.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from Normal to shutdown state Failed"));

		User::Leave(KTestAppFailure);		

		}

	//Scenario 4 - Request for two state changes one after the other without waiting for the first one to complete

	// Once first and second request are completed the system will be in fail state, now issue another state transition

	// request to fail state again.

	// The first request to the fail state will be completed with KErrCancel 

	// the second request to transit to the fail state will be completed with KErrNone.

	// the third request to transit to the fail state will be completed with KErrNotSupported.

	RDebug::Print(_L("\nStateTran Test: Scenario 4 \n"));

	stateMan.RequestStateTransition(stateTrans3, status1);

	RDebug::Print(_L("\nStateTran Test: Start First RequestStateTransition from Normal to fail state %d\n "), status1.Int());

	stateMan.RequestStateTransition(stateTrans3, status2);

	RDebug::Print(_L("\nStateTran Test: Start Second RequestStateTransition from Normal to fail state %d\n "), status2.Int());

	User::WaitForRequest(status1);

	iFileWriteStream.WriteInt32L(status1.Int());

	if (status1.Int() == KErrCancel)

		{

		RDebug::Print(_L("\nStateTran Test: First RequestStateTransition from Normal to fail state completes with %d Expected -3\n "), status1.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: First RequestStateTransition from Normal to fail state Failed"));

		User::Leave(KTestAppFailure);		

		}

	User::WaitForRequest(status2);

	iFileWriteStream.WriteInt32L(status2.Int());

	if (status2.Int() == KErrNone)

		{

		RDebug::Print(_L("\nStateTran Test: Second RequestStateTransition from Normal to fail state %d Expected 0\n "), status2.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: Second RequestStateTransition from Normal to fail state Failed"));

		User::Leave(KTestAppFailure);		

		}

	stateMan.RequestStateTransition(stateTrans3, status2); //System is in fail state

	RDebug::Print(_L("\nStateTran Test: Start RequestStateTransition from fail to fail state %d\n "), status2.Int());

	User::WaitForRequest(status2);

	iFileWriteStream.WriteInt32L(status2.Int());

	if (status2.Int() == KErrNotSupported)

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from fail to fail state completed with %d Expected -5\n "), status2.Int());

		CurrentSystemStateL();

		}

	else

		{

		RDebug::Print(_L("\nStateTran Test: RequestStateTransition from fail to fail state Failed"));

		User::Leave(KTestAppFailure);

		}

	}

void CStateTranFromNormal::StartTestL()

	{

	CActiveScheduler* sched=new(ELeave) CActiveScheduler;

	CleanupStack::PushL(sched);

	CActiveScheduler::Install(sched);

	// Notifier used to get the notification when system gets to fail state

	CSsmStateAwareSession* notif_for_failstate = CSsmStateAwareSession::NewLC(KSM2UiServicesDomain3);

	notif_for_failstate->AddSubscriberL(*this);

	// This async callback is used to start the state transition test once system enters to normal state.

	iAsyncCallbackForStartTest =  new(ELeave) CAsyncCallBack(CActive::EPriorityIdle);

	TCallBack startTestCallback(StartTest, this);

	iAsyncCallbackForStartTest->Set(startTestCallback);

	// call the callback function which keeps looping until the system state gets into normal state.

	iAsyncCallbackForStartTest->CallBack();

	RProcess::Rendezvous(KErrNone);

	sched->Start();

	CleanupStack::PopAndDestroy(2);

	}

TInt E32Main()

	{

	__UHEAP_MARK;

	CTrapCleanup* cleanup=CTrapCleanup::New();

	TInt r=KErrNoMemory;

	TInt testCompletionReason = KErrNone;

	if (cleanup)

		{

		__UHEAP_MARK;

		CStateTranFromNormal* stateTran = NULL;

		TRAP(r, stateTran = CStateTranFromNormal::NewL());

		if (r == KErrNone)

			{

			TRAP(testCompletionReason, stateTran->StartTestL());

			// testCompletionReason is the reason with which the test case completes.

			TRAP(r, stateTran->CommitTestResultsL(testCompletionReason));

			delete stateTran;

			}

		delete cleanup;

		__UHEAP_MARKEND;

		if (r != KErrNone)

			{

			User::Panic(_L("tgsastatetranfromnormalPanic"), r);

			}

		}

	__UHEAP_MARKEND;

	return r;

	}