// 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\server\t_fsys.cpp

// 

//

#define __E32TEST_EXTENSION__

#include <f32file.h>

#include <f32file_private.h>

#include <e32test.h>

#include <e32math.h>

#include "t_server.h"

#include "fat_utils.h"

#include "filesystem_fat.h"

using namespace Fat_Test_Utils;

RTest test(_L("T_FSYS"));

static TInt64   gRndSeed;

//---------------------------------------------------

void InitGlobals()

{

    //-- initialise random generator 

    gRndSeed = 0xf73c1ab;

    Math::Rand(gRndSeed);

}

//---------------------------------------------------

void DestroyGlobals()

{

}

//---------------------------------------------------

/**

    The maximum length for the file system and extension names is KMaxFSNameLength

    test how the file server supports this

*/

void TestFileSystemNameLength()

{

    if(Is_SimulatedSystemDrive(TheFs, CurrentDrive()))

    {

        return;

    }

    TInt nRes;

    TBuf<1024> name;

    TInt i;

    _LIT(KEmptyName, "");                //-- invalid length == 0

    _LIT(KDoesNotExist,  "RubbishName"); //-- valid length == 11

    _LIT(KDoesNotExist1, "RubbishName123456789012345678901"); //-- valid length == 32 (KMaxFSNameLength)

    _LIT(KNameTooLong1,  "RubbishName123456789012345678901_"); //-- invalid length == 33 (KMaxFSNameLength+1)

    test(KDoesNotExist1().Length() == KMaxFSNameLength);

    //-- generate a very long name

    name.Zero();

    for(i=0; i<(name.MaxLength()/KDoesNotExist1().Length()); ++i)

    {

        name.Append(KDoesNotExist1);

    }

    //-- 1. try to dismount the existing FS/extension specifying invalid name

    //-- 1.1 try empty names

    nRes = TheFs.DismountFileSystem(KEmptyName, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.DismountExtension(KEmptyName, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- 1.2 valid length, but non-existing name

    nRes = TheFs.DismountFileSystem(KDoesNotExist, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    nRes = TheFs.DismountExtension(KDoesNotExist, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    //-- 1.2 valid length == KMaxFSNameLength, but non-existing name

    nRes = TheFs.DismountFileSystem(KDoesNotExist1, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    nRes = TheFs.DismountExtension(KDoesNotExist1, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    //-- 1.3 too long name == KMaxFSNameLength+1, 

    nRes = TheFs.DismountFileSystem(KNameTooLong1, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.DismountExtension(KNameTooLong1, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- 1.4 a very long name ~ 1024 characters, 

    nRes = TheFs.DismountFileSystem(name, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.DismountExtension(name, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- try mounting extensions with valid, bu non-existing names

    nRes = TheFs.MountExtension(KDoesNotExist, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    nRes = TheFs.MountExtension(KDoesNotExist1, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    //====================================================

    //-- dismount original file system from the drive

    TFSDescriptor orgFSDesc;

    nRes = GetFileSystemDescriptor(TheFs, CurrentDrive(), orgFSDesc);

    test_KErrNone(nRes);

    nRes = TheFs.DismountFileSystem(orgFSDesc.iFsName, CurrentDrive());

    test_KErrNone(nRes);

    //-- 2. try to mount a FS/extension with the invalid name

    //-- 2.1 try empty names

    nRes = TheFs.MountFileSystem(KEmptyName, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.MountExtension(KEmptyName, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- 1.2 valid length, but non-existing name

    nRes = TheFs.MountFileSystem(KDoesNotExist, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    //-- 1.2 valid length == KMaxFSNameLength, but non-existing name

    nRes = TheFs.MountFileSystem(KDoesNotExist1, CurrentDrive());

    test_Value(nRes, nRes == KErrNotFound);

    //-- 1.3 too long name == KMaxFSNameLength+1, 

    nRes = TheFs.MountFileSystem(KNameTooLong1, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.MountExtension(KNameTooLong1, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- 1.4 a very long name ~ 1024 characters, 

    nRes = TheFs.MountFileSystem(name, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    nRes = TheFs.MountExtension(name, CurrentDrive());

    test_Value(nRes, nRes == KErrArgument);

    //-- mount original file system back to the drive

    nRes = MountFileSystem(TheFs, CurrentDrive(), orgFSDesc);

    test_KErrNone(nRes);

}

static void TestFileSystemNames()

    {

    TFullName name;

        {

        else

        }

    }

static void CheckDismount(TDesC& aFs,TInt aDrive)

    {

    if (aDrive==EDriveC) // ??? Can't test on C: - see below

        return;

    TInt r;

    TFullName oldSess, newSess;

    r=TheFs.SessionPath(oldSess);

    test_KErrNone(r);

    TChar c;

    r=TheFs.DriveToChar(aDrive,c);

    test_KErrNone(r);

    newSess.Append(c);

    newSess.Append(':');

    newSess.Append('\\');

    TBuf<128> b;

    TDriveInfo di;

    r=TheFs.Drive(di,aDrive);

    test_KErrNone(r);

    test.Next(b);

    // Test cannot dismount on rom drive

    TFullName zName;

    r=TheFs.FileSystemName(zName,EDriveZ);

    test_KErrNone(r);

    r=TheFs.DismountFileSystem(zName,EDriveZ);

    // NB if paging is enabled on a ROFS partition which is part of the composite file system then the 

    // likelihood is that there will be a at least one file clamped: in this case there error will be KErrInUse

    test_Value(r, r == KErrAccessDenied || r==KErrInUse);

    // Test cannot dismount on wrong drive

    r=TheFs.DismountFileSystem(aFs,EDriveA);

    test_Value(r, r == KErrNotReady);

    // Test cannot dismount with wrong name

    r=TheFs.DismountFileSystem(_L("abc"),aDrive);

    test_Value(r, r == KErrNotFound);

    // Test cannot dismount with a file open

    r=TheFs.SetSessionPath(newSess);

    RFile file;

    r=file.Replace(TheFs,_L("abc"),EFileShareAny);

    test_KErrNone(r);

    r=TheFs.SessionPath(newSess);

    TBool open;

    r=TheFs.IsFileOpen(_L("abc"),open);

    test_KErrNone(r);

    test(open);

    r=TheFs.DismountFileSystem(aFs,aDrive);

    test_Value(r, r == KErrInUse);

    file.Close();

    // Now test dismount works

    r=TheFs.DismountFileSystem(aFs,aDrive);

    if(r!=KErrNone)

        {

        test(EFalse);

        }

    TFullName n;

    r=TheFs.FileSystemName(n,aDrive);

    test_Value(r, r == KErrNone || r==KErrNotFound);

    test(!n.Length());

    r=file.Replace(TheFs,_L("abc"),EFileShareAny);

    test_Value(r, r == KErrNotReady);

    file.Close();

    r=TheFs.MountFileSystem(aFs,aDrive);

    if(r!=KErrNone) 

        {

        test.Printf(_L("error = %d\n"),r);

        test(EFalse);

        }

    r=TheFs.FileSystemName(n,aDrive);

    test_KErrNone(r);

    test(n.Compare(aFs)==0);

    r=file.Replace(TheFs,_L("abc"),EFileShareAny); // ??? bang

    test_KErrNone(r);

    file.Close();

    r=TheFs.SetSessionPath(oldSess);

    test_KErrNone(r);

    }

static void TestDismountFileSystem(TInt aDrive)

    {

    TInt r;

    TFullName name;

    r=TheFs.FileSystemName(name,aDrive);

    test_Value(r, r == KErrNone || r==KErrNotFound);

    if(name.Length())

        CheckDismount(name,aDrive);

    }

//

// Mount a new CTestFileSystem on the drive under test

//

    {

    TBuf<64> b;

    TChar c;

    TInt r=TheFs.DriveToChar(aDrive,c);

    test_KErrNone(r);

    TDriveInfo di;

    r=TheFs.Drive(di,aDrive);

    test_KErrNone(r);

    test.Next(b);

    if(r!=KErrNone && r!=KErrAlreadyExists)

        {

        test(EFalse);

        }

    TFullName oldFs;

    r=TheFs.FileSystemName(oldFs,aDrive);

//  TFileName oldFs;

//  r=TheFs.FileSystemName(oldFs,aDrive);

    test_KErrNone(r);

    r=TheFs.DismountFileSystem(oldFs,aDrive);

    if(r!=KErrNone)

        {

        test(EFalse);

        }

    test_KErrNone(r);

    TFileName newFs;

    r=TheFs.FileSystemName(newFs,aDrive);

    test_KErrNone(r);

    // Check attributes

    TDriveInfo info;

    r=TheFs.Drive(info,aDrive);

    test_KErrNone(r);

    //Try to remove filesystem without dismounting.

    if(r!=KErrInUse)

        {

        test(EFalse);

        }

    r=TheFs.FileSystemName(newFs,aDrive);

    test_KErrNone(r);

    r=TheFs.DismountFileSystem(newFs,aDrive);

    test_KErrNone(r);

    r=TheFs.MountFileSystem(oldFs,aDrive);

    test_KErrNone(r);

    }

static void TestMountInvalidDrive()

    {

    }

// Additional step for INC083446: Corrupted miniSD not detected as corrupted by phone 

static void TestMountingBrokenMedia(TInt aDrive)

//

// Mount a new CTestFileSystem on the drive under test

//

    {

    if (aDrive==EDriveC) // ??? Can't test on C:

        return;

    TBuf<64> b;

    TChar c;

    TInt r=TheFs.DriveToChar(aDrive,c);

    test_KErrNone(r);

    TDriveInfo di;

    r=TheFs.Drive(di,aDrive);

    test_KErrNone(r);

    test.Next(b);

    if(r!=KErrNone && r!=KErrAlreadyExists)

        {

        test(EFalse);

        }

    TFullName oldFs;

    r=TheFs.FileSystemName(oldFs,aDrive);

    test_KErrNone(r);

    r=TheFs.DismountFileSystem(oldFs,aDrive);

    if(r!=KErrNone)

        {

        test(EFalse);

        }

    test_Value(r, r == KErrCorrupt);

    TFileName newFs;

    r=TheFs.FileSystemName(newFs,aDrive);

    test_KErrNone(r);

    // Get the number of remounts by checking the volume attributes -

    // T_TFSYS2 hijacks the iBattery member to report back the number of times MountL() has been called

    TDriveInfo info;

    TInt remounts;

    r=TheFs.Drive(info,aDrive);

    test_KErrNone(r);

    test.Printf(_L("iType=%d,iBattery=%d,iDriveAtt=%x,iMediaAtt=%x\n"),(TUint)info.iType,\

        (TUint)info.iBattery,info.iDriveAtt,info.iMediaAtt);

    remounts = (TInt) info.iBattery;

    // Make the file server attempt to remount the drive by looking for a non-existant DLL

    // The file server should setop trying to remount the driver after KMaxMountFailures attempts

    const TInt KMaxMountFailures = 3;   // copied from sf_drv.cpp

    const TInt KEntryAttempts = 10;