// Copyright (c) 1996-2009 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:

// f32test\manager\t_oom.cpp

// 

//

#include <hal.h>

#include <f32file.h>

#include <e32test.h>

#include "../server/t_server.h"

GLDEF_D RTest test(_L("T_OOM"));

LOCAL_C void FormatFat()

//

// Call all RFormat methods

//

	{

	test.Next(_L("Format the disk"));

	RFormat format;

	TFileName sessionPath;

	TInt r=TheFs.SessionPath(sessionPath);

	TInt count;

	r=format.Open(TheFs,sessionPath,EHighDensity,count);

//	test(count==100);

//	TRequestStatus status;

//	TPckgBuf<TInt> step;

//	do 	{

//		format.Next(step,status);

//		User::WaitForRequest(status);

//		test(status==KErrNone);

//	} while (step()<count);

//	test(step()==count);

	const TInt total(count);

	while (count && r == KErrNone)

		{

		test((r = format.Next(count)) == KErrNone);

		test.Printf(_L("\r%d/%d"), count, total);

		}

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

	format.Close();

	}

LOCAL_C void Test1()

//

// Test openning a large file

//

	{

	test.Next(_L("Create a file GOBBLE.DAT"));

	TUint size=0x340000; // 3.25MB

	test.Printf(_L("FileSize = 0x%x\n"),size);

	RFile file;

	TInt r=file.Replace(TheFs,_L("\\F32-TST\\GOBBLE.DAT"),EFileRead);

	r=file.SetSize(size);

	if (r==KErrDiskFull)

		{

		TFileName sessionPath;

		r=TheFs.SessionPath(sessionPath);

		test.Printf(_L("Error %S diskfull\n"),&sessionPath);

// Reintroduce when we can detect that the test is being run manually

//		test.Getch();

		}

	file.Close();

	}

/** if internal RAM drive has a defined limit, test cannot be exceeded */

LOCAL_C void TestRAMDriveLimit()

	{

	test.Start(_L("TestRAMDriveLimit"));

	TInt r;										// error code

	for (TInt d = EDriveA; d <= EDriveZ; ++d)

		{

		TDriveInfo di;

		test((r = TheFs.Drive(di, d)) == KErrNone);

		TInt maxRam;

		if (di.iType == EMediaRam && HAL::Get(HAL::EMaxRAMDriveSize, maxRam) == KErrNone)

			{

#ifdef __WINS__									// c: not EMediaRam on WINS

			if (d != EDriveY)

				continue;

#endif

			test.Printf(_L("Testing RAM drive limit %08x on drive %x\n"), maxRam, d);

			// create lots of files and check KErrDiskFull after right number

			const TInt KFileSize = 16 * 1024;

			_LIT(KDrvTmp, "?:\\");				// set session path to limited drive

			TBuf<3> bfDrv(KDrvTmp);

			TChar ch;

			test(RFs::DriveToChar(d, ch) == KErrNone);

			bfDrv[0] = static_cast<TText>(ch);

			test.Printf(_L("Setting session path to \"%S\".\n"), &bfDrv);

			test(TheFs.SetSessionPath(bfDrv) == KErrNone);

			FormatFat();						// remove all current files from drive

			TBuf<3 + 2> bfDir;					// subdir to avoid root KErrDirFull

			bfDir.Append(bfDrv);

			_LIT(KTstDir, "t\\");

			bfDir.Append(KTstDir);

			test.Printf(_L("creating directory \"%S\".\n"), &bfDir);

			r = TheFs.MkDir(bfDir);

			TBuf<3 + 3 + 8 + 1 + 3> bfFlNm(bfDir);

			TInt ctr = 0;						// create files until KErrDiskFull

			do

				{

				bfFlNm.SetLength(bfDir.Length());

				bfFlNm.AppendFormat(_L("%08x.dat"), ctr);

				test.Printf(

					_L("\rcreating %S @ %08x (total %08x)"),

					&bfFlNm, KFileSize, ctr * KFileSize);

				RFile f;

				r = f.Create(TheFs, bfFlNm, EFileShareExclusive | EFileStream | EFileWrite);

				if (r == KErrNone)

					{

					r = f.SetSize(KFileSize);

					}

				f.Close();

				++ctr;

				} while (r != KErrDiskFull);

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

			// new file takes KFileSize, any possibly metadata cluster

			TVolumeInfo vi;

			test(TheFs.Volume(vi, d) == KErrNone);

			test(vi.iSize < maxRam);			// vi.iSize does not include FAT

			test(vi.iFree < 2 * KFileSize);

			FormatFat();

			// create single file and set to > maxRam

			RFile fS;

			_LIT(bfFlNmS, "00000000.dat");

			test(fS.Create(TheFs, bfFlNmS, EFileShareExclusive | EFileStream | EFileWrite) == KErrNone);

			test(fS.SetSize(maxRam) == KErrDiskFull);

			fS.Close();

			}

		}	// for (TInt d = EDriveA; d <= EDriveZ; ++d)

	test.End();

	}

GLDEF_C void CallTestsL()

//

// Call all tests

//

	{

	test.Title();

	test.Start(_L("Starting T_OOM test"));

	TDriveInfo driveInfo;

	TInt r=TheFs.Drive(driveInfo);

	if (driveInfo.iType==EMediaNotPresent)

		{

		test.Printf(_L("ERROR: MEDIA NOT PRESENT\n"));

// Reintroduce when we can detect that the test is being run manually

//		test.Getch();

		return;

		}

	TFileName sessionPath;

	r=TheFs.SessionPath(sessionPath);

	r=TheFs.MkDirAll(sessionPath);

	if (r==KErrCorrupt)

		FormatFat();

	if (r==KErrAlreadyExists)

		{

		test.Next(_L("Remove test directory"));

		CFileMan* fman=CFileMan::NewL(TheFs);

		TInt ret=fman->RmDir(sessionPath);

		delete fman;

		}

	if (r!=KErrNone)

		{

		r=TheFs.MkDirAll(sessionPath);

		}

	Test1();

	TestRAMDriveLimit();

	test.End();

	test.Close();

	}