// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// e32test\power\t_persistrestart.cpp

// 

//

#include <e32hal.h>

#include <e32modes.h>

#include <e32power.h>

#include <e32test.h>

#include <hal.h>

#include <f32file.h>

#include <e32uid.h>

#define TEST_STARTUP_MODE

#define TEST_RESTART

const TInt KStartupModeLess = -1;

GLDEF_D RTest test(_L("Persist startup mode test"));

void DoTests()

	{

	TInt r;

	TInt startupMode = -1;

	TInt maxStartupModes = -1;

	TInt maxCustomRestartReasons = -1;

	// Read the largest possible persistable value (via HAL Custom Restart)

	r = HAL::Get( HALData::EMaximumCustomRestartReasons, maxCustomRestartReasons );

	test( r == KErrNone );

	test.Printf(_L("Fetching largest possible persistable value (via HAL Custom Restart)..\nmaxCustomRestartReasons = %d\n"), maxCustomRestartReasons);

	// Read the largest possible persistable value

	r = HAL::Get( HALData::EMaximumRestartStartupModes, maxStartupModes );

	test( r == KErrNone );

	test.Printf(_L("Fetching largest possible persistable value..\nmaxStartupModes = %d\n"), maxStartupModes);

	// Read the restart reason

	r = RProperty::Get(KUidSystemCategory, KSystemStartupModeKey, startupMode);

	test( r == KErrNone );

	test.Printf(_L("Reading the stored restart value..\nstartupMode = %d\n"), startupMode);

	// If the restart reason is a default value then it means that the board wasn't restarted with a restart reason.

	if( startupMode == EStartupModeUndefined )

		{

		if ( maxStartupModes != (TInt)0xffffffff )

			{

			// Persist the startup mode

#ifdef TEST_STARTUP_MODE

			// Test erroneous values first

			r = HAL::Set( HALData::EPersistStartupModeKernel, KStartupModeLess );

			test( r == KErrArgument );

			TUint StartupModeMore = maxStartupModes + 1;

			r = HAL::Set( HALData::EPersistStartupModeKernel, StartupModeMore );

			test( r == KErrArgument );		

#endif

			}

		// Then give a proper value

		r = HAL::Set( HALData::EPersistStartupModeKernel, maxStartupModes );

		test( r == KErrNone );

		// Persist contents of HAL file via HALSettings.exe

		RProcess process;

		r = process.Create(_L("HALSettings.exe"), _L("PERSIST"));

		test(r == KErrNone);

		TRequestStatus status;

		process.Logon(status);

		process.Resume();

		User::WaitForRequest(status);

		process.Close();

#ifdef TEST_RESTART

		// Go ahead and restart the board using a restart reason

		test.Printf(_L("Enabling wake up power events to restart..\n"));

		r = Power::EnableWakeupEvents(EPwRestart);

		test( r == KErrNone );

		test.Printf(_L("Restarting..\n"));

		r = Power::PowerDown();

		test( r == KErrNone );

#endif

		}

	// If the restart reason is within an allowed range it means that the board has indeed been restarted with a restart reason.

	if( startupMode >= 0 && startupMode <= maxStartupModes )

		{

		// Report the restart reason and check whether it's of the same value with the original restart reason (a constant)

		if ( startupMode != maxStartupModes )

			test.Printf(_L("\nStartup mode was NOT successfully persisted across system restart.\nStored startup mode = %d"), startupMode);

		else

			test.Printf(_L("\nStartup mode (%d) was successfully persisted across system restart.\n"), startupMode);

		// If the comparison is successful, then exit. Otherwise return the error code.

		return;

		}

	}

GLDEF_C TInt E32Main()

//

// Test restarting and persisting a startup mode

//

    {

	test.Start(_L("Test restarting and persisting a startup mode"));

	DoTests();

 	return(KErrNone);

    }