diff -r 000000000000 -r bde4ae8d615e os/kernelhwsrv/kerneltest/f32test/filesystem/fat/t_main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/kernelhwsrv/kerneltest/f32test/filesystem/fat/t_main.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,638 @@
+// Copyright (c) 1997-2009 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_main.cpp
+//
+//
+
+#define __E32TEST_EXTENSION__
+
+#include <f32file.h>
+#include <e32test.h>
+#include <e32math.h>
+#include <f32dbg.h>
+#include "t_server.h"
+
+GLDEF_D	RFs TheFs;
+GLDEF_D TFileName gSessionPath;
+GLDEF_D TInt gAllocFailOff=KAllocFailureOff;
+GLDEF_D TInt gAllocFailOn=KAllocFailureOff;
+GLDEF_D TInt64 gSeed=51703;
+
+GLDEF_D TChar gDriveToTest;
+GLDEF_D TVolumeInfo gVolInfo;	// volume info for current drive
+GLDEF_D TFileCacheFlags gDriveCacheFlags;
+
+_LIT(KPrivate, "\\Private\\");
+
+
+////////////////////////////////////////////////////////////
+// Template functions encapsulating ControlIo magic
+//
+GLDEF_D template <class C>
+GLDEF_C TInt controlIo(RFs &fs, TInt drv, TInt fkn, C &c)
+{
+    TPtr8 ptrC((TUint8 *)&c, sizeof(C), sizeof(C));
+
+    TInt r = fs.ControlIo(drv, fkn, ptrC);
+
+    return r;
+}
+
+
+GLDEF_C void CreateShortName(TDes& aFileName,TInt64& aSeed)
+//
+// Create a random, dos legal 8.3 char name
+//
+	{
+
+	TInt length=Math::Rand(aSeed)%11;
+	if (length==0)
+		length=1;
+	else if (length==3)	// don't create three letter names like 'AUX' or 'PRN'
+		length++;
+	else if (length>8)	// end in '.' if no extension
+		length++;
+
+	aFileName.SetLength(length);
+	for(TInt i=0;i<length;i++)
+		{
+		if (i==9)
+			{
+			aFileName[i]='.';
+			continue;
+			}
+		TInt letter=Math::Rand(aSeed)%26;
+		aFileName[i]=(TText)('A'+letter);
+		}
+	}
+
+
+GLDEF_C void CreateLongName(TDes& aFileName,TInt64& aSeed,TInt aLength)
+//
+// Create a random, dos legal 8.3 char name
+//
+	{
+
+	TInt length;
+	if (aLength>0)
+		length=aLength;
+	else
+		{
+		length=Math::Rand(aSeed)%128;
+		length+=Math::Rand(aSeed)%128;
+		length+=Math::Rand(aSeed)%128;
+		length+=Math::Rand(aSeed)%128;
+		length-=256;
+			length=Abs(length);
+		if (length==0)
+			length=1;
+		if (length>220)
+			length=31;
+		}
+	if (length==3)	// don't create three letter names like 'AUX' or 'PRN'
+		length++;
+
+	aFileName.SetLength(length);
+	TInt spaceChar=-1;
+	TInt i;
+	for(i=0;i<length;i++)
+		{
+StartAgain:
+		TChar letter=0;
+		TBool illegalChar=ETrue;
+
+		while(illegalChar)
+			{
+#if defined(__WINS__)
+			if (gSessionPath[0]=='C')
+				letter=(TChar)('A'+Math::Rand(aSeed)%26);
+			else
+				letter=(TChar)Math::Rand(aSeed)%256;
+#else
+			letter=(TChar)Math::Rand(aSeed)%256;
+#endif
+			TBool space=letter.IsSpace();
+			if (space && spaceChar==-1)
+				spaceChar=i;
+			else if (!space && spaceChar!=-1)
+				spaceChar=-1;
+
+			switch(letter)
+				{
+			case '<':
+			case '>':
+			case ':':
+			case '"':
+			case '/':
+			case '|':
+			case '*':
+			case '?':
+			case '\\':
+			case '\0':
+				break;
+			default:
+				illegalChar=EFalse;
+				};
+			}
+		aFileName[i]=(TText)letter;
+		}
+
+	if (spaceChar!=-1)
+		{
+		i=spaceChar;
+		goto StartAgain;
+		}
+	}
+
+
+GLDEF_C void CheckDisk()
+//
+// Do a checkdisk and report failure
+//
+	{
+	test.Next(_L("Check Disk"));
+	TInt r=TheFs.CheckDisk(gSessionPath);
+	if (r!=KErrNone && r!=KErrNotSupported && r!=KErrPermissionDenied)
+		ReportCheckDiskFailure(r);
+	}
+
+GLDEF_C void ReportCheckDiskFailure(TInt aRet)
+//
+// Report the failure of checkdisk
+//
+	{
+
+	test.Printf(_L("CHECKDISK FAILED: "));
+	switch(aRet)
+		{
+	case 1:	test.Printf(_L("File cluster chain contains a bad value (<2 or >maxCluster)\n")); break;
+	case 2:	test.Printf(_L("Two files are linked to the same cluster\n")); break;
+	case 3:	test.Printf(_L("Unallocated cluster contains a value != 0\n"));	break;
+	case 4:	test.Printf(_L("Size of file != number of clusters in chain\n")); break;
+	default: test.Printf(_L("Undefined Error value %d\n"),aRet);
+		}
+	test(EFalse);
+	}
+
+
+GLDEF_C void MakeFile(const TDesC& aFileName,const TUidType& aUidType,const TDesC8& aFileContents)
+//
+// Make a file and write uid and data
+//
+	{
+
+	RFile file;
+	TInt r=file.Replace(TheFs,aFileName,0);
+	if (r==KErrPathNotFound)
+		{
+		r=TheFs.MkDirAll(aFileName);
+		test_KErrNone(r);
+		r=file.Replace(TheFs,aFileName,0);
+		}
+	test_KErrNone(r);
+	TCheckedUid checkedUid(aUidType);
+	TPtrC8 uidData((TUint8*)&checkedUid,sizeof(TCheckedUid));
+	r=file.Write(uidData);
+	test_KErrNone(r);
+	r=file.Write(aFileContents);
+	test_KErrNone(r);
+	file.Close();
+	}
+
+GLDEF_C void MakeFile(const TDesC& aFileName,const TDesC8& aFileContents)
+//
+// Make a file and write something in it
+//
+	{
+
+	RFile file;
+	TInt r=file.Replace(TheFs,aFileName,0);
+	if (r==KErrPathNotFound)
+		{
+		r=TheFs.MkDirAll(aFileName);
+		test_KErrNone(r);
+		r=file.Replace(TheFs,aFileName,0);
+		}
+	test_KErrNone(r);
+	r=file.Write(aFileContents);
+	test_KErrNone(r);
+	file.Close();
+	}
+
+GLDEF_C void MakeFile(const TDesC& aFileName,TInt anAttributes)
+//
+// Make a file and write something in it
+//
+	{
+
+	RFile file;
+	TInt r=file.Replace(TheFs,aFileName,0);
+	if (r==KErrPathNotFound)
+		{
+		r=TheFs.MkDirAll(aFileName);
+		test_KErrNone(r);
+		r=file.Replace(TheFs,aFileName,0);
+		}
+	test_KErrNone(r);
+	file.Close();
+	r=TheFs.SetAtt(aFileName,anAttributes,0);
+	test_KErrNone(r);
+	}
+
+GLDEF_C void MakeFile(const TDesC& aFileName)
+//
+// Make a file
+//
+	{
+
+	MakeFile(aFileName,_L8(""));
+	}
+
+GLDEF_C void MakeDir(const TDesC& aDirName)
+//
+// Make a directory
+//
+	{
+
+	TInt r=TheFs.MkDirAll(aDirName);
+	if (r!=KErrNone && r!=KErrAlreadyExists)
+		{
+		test.Printf(_L("%c: MakeDir Error %d\n"),aDirName[0],r);
+		test(0);
+		}
+	}
+
+
+GLDEF_C void DeleteTestDirectory()
+//
+// Delete the leaf session path directory
+//
+	{
+
+	TheFs.SetAtt(_L("\\F32-TST\\SCANTEST\\Left\\Dir3\\Dir4\\Hidden"), 0, KEntryAttHidden);
+	TheFs.SetAtt(_L("\\F32-TST\\SCANTEST\\Left\\Dir3\\Dir4\\Hidden\\HiddenFile"), 0, KEntryAttHidden);
+	TheFs.SetAtt(_L("\\F32-TST\\SCANTEST\\Left\\Dir3\\Dir4\\Hidden\\System"), 0, KEntryAttSystem);
+	test.Next(_L("Delete test directory"));
+	CFileMan* fMan=CFileMan::NewL(TheFs);
+	test(fMan!=NULL);
+	TInt r=TheFs.SessionPath(gSessionPath);
+	test_KErrNone(r);
+	r=TheFs.CheckDisk(gSessionPath);
+	if (r!=KErrNone && r!=KErrNotSupported)
+		ReportCheckDiskFailure(r);
+	r=fMan->RmDir(gSessionPath);
+	test_KErrNone(r);
+	delete fMan;
+	}
+
+GLDEF_C void CreateTestDirectory(const TDesC& aSessionPath)
+//
+// Create directory for test
+//
+	{
+	TParsePtrC path(aSessionPath);
+	test(path.DrivePresent()==EFalse);
+
+	TInt r=TheFs.SetSessionPath(aSessionPath);
+	test_KErrNone(r);
+	r=TheFs.SessionPath(gSessionPath);
+	test_KErrNone(r);
+	r=TheFs.MkDirAll(gSessionPath);
+	test_Value(r, r == KErrNone || r == KErrAlreadyExists);
+	}
+
+GLDEF_C TInt CurrentDrive()
+//
+// Return the current drive number
+//
+	{
+
+	TInt driveNum;
+	TInt r=TheFs.CharToDrive(gSessionPath[0],driveNum);
+	test_KErrNone(r);
+	return(driveNum);
+	}
+
+GLDEF_C void Format(TInt aDrive)
+//
+// Format current drive
+//
+	{
+
+	test.Next(_L("Format"));
+	TBuf<4> driveBuf=_L("?:\\");
+	driveBuf[0]=(TText)(aDrive+'A');
+	RFormat format;
+	TInt count;
+	TInt r=format.Open(TheFs,driveBuf,EQuickFormat,count);
+	test_KErrNone(r);
+	while(count)
+		{
+		TInt r=format.Next(count);
+		test_KErrNone(r);
+		}
+	format.Close();
+	}
+
+LOCAL_C void PushLotsL()
+//
+// Expand the cleanup stack
+//
+	{
+	TInt i;
+	for(i=0;i<1000;i++)
+		CleanupStack::PushL((CBase*)NULL);
+	CleanupStack::Pop(1000);
+	}
+
+
+LOCAL_C void DoTests(TInt aDrive)
+//
+// Do testing on aDrive
+//
+	{
+
+	gSessionPath=_L("?:\\F32-TST\\");
+	TChar driveLetter;
+	TInt r=TheFs.DriveToChar(aDrive,driveLetter);
+	test_KErrNone(r);
+	gSessionPath[0]=(TText)driveLetter;
+	r=TheFs.SetSessionPath(gSessionPath);
+	test_KErrNone(r);
+
+	User::After(1000000);
+
+//	Format(CurrentDrive());
+
+	test.Printf(_L("Creating session path"));
+	r=TheFs.MkDirAll(gSessionPath);
+	if(r == KErrCorrupt)
+		{
+		test.Printf(_L("Attempting to create directory \'%S\' failed, KErrCorrupt\n"), &gSessionPath);
+		test.Printf(_L("This could be caused by a previous failing test, or a test media defect\n"));
+		test.Printf(_L("Formatting drive, retrying MkDirall\nShould subsequent tests fail with KErrCorrupt (%d) as well, replace test medium !\n"),
+			r);
+		Format(aDrive);
+		r=TheFs.MkDirAll(gSessionPath);
+		test_KErrNone(r);
+		}
+	else if (r == KErrNotReady)
+		{
+		TDriveInfo d;
+		r=TheFs.Drive(d, aDrive);
+		test_KErrNone(r);
+		if (d.iType == EMediaNotPresent)
+			test.Printf(_L("%c: Medium not present - cannot perform test.\n"), (TUint)driveLetter);
+		else
+			test.Printf(_L("medium found (type %d) but drive %c: not ready\nPrevious test may have hung; else, check hardware.\n"), (TInt)d.iType, (TUint)driveLetter);
+		}
+	test_Value(r, r == KErrNone || r == KErrAlreadyExists);
+	TheFs.ResourceCountMarkStart();
+	test.Printf(_L("Calling main test sequence ...\n"));
+	TRAP(r,CallTestsL());
+	test_KErrNone(r);
+	test.Printf(_L("test sequence completed without error\n"));
+	TheFs.ResourceCountMarkEnd();
+
+	CheckDisk();
+	}
+
+
+void ParseCommandArguments()
+//
+//
+//
+	{
+	TBuf<0x100> cmd;
+	User::CommandLine(cmd);
+	TLex lex(cmd);
+	TPtrC token=lex.NextToken();
+	TFileName thisfile=RProcess().FileName();
+	if (token.MatchF(thisfile)==0)
+		{
+		token.Set(lex.NextToken());
+		}
+	test.Printf(_L("CLP=%S\n"),&token);
+
+	if(token.Length()!=0)
+		{
+		gDriveToTest=token[0];
+		gDriveToTest.UpperCase();
+		}
+	else
+		gDriveToTest='C';
+	}
+
+TFullName gExtName;
+TBool gPrimaryExtensionExists = EFalse;
+
+GLDEF_C TInt DismountFileSystem(RFs& aFs, const TDesC& aFileSystemName,TInt aDrive)
+	{
+	//Make note of the first extension if it exists, so that we remount
+	//it when the file system is remounted.
+	TInt r = aFs.ExtensionName(gExtName, aDrive, 0);
+
+	if (r == KErrNone)
+		{
+		gPrimaryExtensionExists = ETrue;
+		}
+	return aFs.DismountFileSystem(aFileSystemName, aDrive);
+	}
+
+GLDEF_C TInt MountFileSystem(RFs& aFs, const TDesC& aFileSystemName,TInt aDrive, TBool aIsSync)
+	{
+	TInt r;
+	if (gPrimaryExtensionExists)
+		{
+		r = aFs.MountFileSystem(aFileSystemName, gExtName, aDrive, aIsSync);
+		}
+	else
+		{
+		r = aFs. MountFileSystem(aFileSystemName, aDrive, aIsSync);
+		}
+	return r;
+	}
+
+GLDEF_C TInt E32Main()
+//
+// Test with drive nearly full
+//
+    {
+
+	CTrapCleanup* cleanup;
+	cleanup=CTrapCleanup::New();
+	TRAPD(r,PushLotsL());
+	__UHEAP_MARK;
+
+	test.Title();
+	test.Start(_L("Starting tests..."));
+
+
+	ParseCommandArguments(); //need this for drive letter to test
+
+
+	r=TheFs.Connect();
+	test_KErrNone(r);
+	TheFs.SetAllocFailure(gAllocFailOn);
+	TTime timerC;
+	timerC.HomeTime();
+	TFileName sessionp;
+	TheFs.SessionPath(sessionp);
+
+	TBuf<30> privatedir;
+	privatedir = KPrivate;
+
+	TUid thisUID = RProcess().Identity();
+	privatedir.AppendFormat(_L("%08x"),thisUID.iUid);
+	privatedir.Append(_L("\\"));
+
+	test(privatedir == sessionp.Mid(2,sessionp.Length()-2));
+
+	test.Printf(_L("sp=%S\n"),&sessionp);
+	sessionp[0]=(TText)gDriveToTest;
+	test.Printf(_L("sp1=%S\n"),&sessionp);
+
+	TInt theDrive;
+	r=TheFs.CharToDrive(gDriveToTest,theDrive);
+	test_KErrNone(r);
+
+	// Get the TFileCacheFlags for this drive
+	r = TheFs.Volume(gVolInfo, theDrive);
+	if (r == KErrNotReady)
+		{
+		TDriveInfo info;
+		TInt err = TheFs.Drive(info,theDrive);
+		test_KErrNone(err);
+		if (info.iType == EMediaNotPresent)
+			test.Printf(_L("%c: Medium not present - cannot perform test.\n"), (TUint)gDriveToTest);
+		else
+			test.Printf(_L("%c: medium found (type %d) but drive not ready\nPrevious test may have hung; else, check hardware.\n"), (TUint)gDriveToTest, (TInt)info.iType);
+		}
+	else if (r == KErrCorrupt)
+		{
+		test.Printf(_L("%c: Media corruption; previous test may have aborted; else, check hardware\n"), (TUint)gDriveToTest);
+		}
+	test_KErrNone(r);
+	gDriveCacheFlags = gVolInfo.iFileCacheFlags;
+	test.Printf(_L("DriveCacheFlags = %08X\n"), gDriveCacheFlags);
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+	TPckgBuf<TIOCacheValues> pkgOrgValues;
+	TIOCacheValues& orgValues=pkgOrgValues();
+	r = controlIo(TheFs,theDrive, KControlIoCacheCount, orgValues);
+	test_KErrNone(r);
+
+	test.Printf(_L("\n"));
+	test.Printf(_L("Requests on close queue at start=%d\n"),orgValues.iCloseCount);
+	test.Printf(_L("Requests on free queue at start=%d\n"),orgValues.iFreeCount);
+	test.Printf(_L("Requests dynamically allocated at start=%d\n"),orgValues.iAllocated);
+	test.Printf(_L("Requests in total at start=%d\n"),orgValues.iTotalCount);
+
+	// File cache
+
+	// flush closed files queue
+	r = TheFs.ControlIo(theDrive, KControlIoFlushClosedFiles);
+	test_KErrNone(r);
+
+	// get number of items on File Cache
+	TFileCacheStats startFileCacheStats;
+	r = controlIo(TheFs,theDrive, KControlIoFileCacheStats, startFileCacheStats);
+	test_Value(r, r == KErrNone || r == KErrNotSupported);
+	test.Printf(_L("File cache: Cachelines (free %d, used %d), Segments(allocated %d locked %d). Closed files(%d)\n"),
+		startFileCacheStats.iFreeCount,
+		startFileCacheStats.iUsedCount,
+		startFileCacheStats.iAllocatedSegmentCount,
+		startFileCacheStats.iLockedSegmentCount,
+		startFileCacheStats.iFilesOnClosedQueue);
+#endif
+
+	DoTests(theDrive);
+
+	TTime endTimeC;
+	endTimeC.HomeTime();
+	TTimeIntervalSeconds timeTakenC;
+	r=endTimeC.SecondsFrom(timerC,timeTakenC);
+	test_KErrNone(r);
+	test.Printf(_L("Time taken for test = %d seconds\n"),timeTakenC.Int());
+	TheFs.SetAllocFailure(gAllocFailOff);
+
+#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
+	TPckgBuf<TIOCacheValues> pkgValues;
+	TIOCacheValues& values=pkgValues();
+	r = controlIo(TheFs,theDrive, KControlIoCacheCount, values);
+	test_KErrNone(r);
+
+	test.Printf(_L("Requests on close queue at end=%d\n"),values.iCloseCount);
+	test.Printf(_L("Requests on free queue at end=%d\n"),values.iFreeCount);
+	test.Printf(_L("Requests dynamically allocated at end=%d\n"),values.iAllocated);
+	test.Printf(_L("Requests in total at end=%d\n"),values.iTotalCount);
+
+	test(orgValues.iCloseCount==values.iCloseCount);
+	test(orgValues.iAllocated == values.iAllocated);
+	// The free count can increase if the file server runs out of requests in the RequestAllocator
+	// free pool but this should never decrease - this implies a request leak
+	test(orgValues.iFreeCount <= values.iFreeCount);
+
+	// The total number of allocated requests should be equal to :
+	// requests on the close queue + requests on free queue
+	// + 1 (because we used one request to issue KControlIoCacheCount)
+	// If this doesn't equate then this implies a request leak
+	test(values.iTotalCount == values.iCloseCount + values.iFreeCount + 1);
+
+	// File cache
+	TFileCacheStats endFileCacheStats;
+	r = controlIo(TheFs,theDrive, KControlIoFileCacheStats, endFileCacheStats);
+	test_Value(r, r == KErrNone || r == KErrNotSupported);
+
+	test.Printf(_L("File cache: Cachelines (free %d, used %d), Segments(allocated %d locked %d). Closed files(%d)\n"),
+		endFileCacheStats.iFreeCount,
+		endFileCacheStats.iUsedCount,
+		endFileCacheStats.iAllocatedSegmentCount,
+		endFileCacheStats.iLockedSegmentCount,
+		endFileCacheStats.iFilesOnClosedQueue);
+
+	// flush closed files queue
+	test.Printf(_L("Flushing close queue..."));
+	r = TheFs.ControlIo(theDrive, KControlIoFlushClosedFiles);
+	test_KErrNone(r);
+
+	r = controlIo(TheFs,theDrive, KControlIoFileCacheStats, endFileCacheStats);
+	test_Value(r, r == KErrNone || r == KErrNotSupported);
+	test.Printf(_L("File cache: Cachelines (free %d, used %d), Segments(allocated %d locked %d). Closed files(%d)\n"),
+		endFileCacheStats.iFreeCount,
+		endFileCacheStats.iUsedCount,
+		endFileCacheStats.iAllocatedSegmentCount,
+		endFileCacheStats.iLockedSegmentCount,
+		endFileCacheStats.iFilesOnClosedQueue);
+
+
+	if (r == KErrNone)
+		{
+		test(startFileCacheStats.iFreeCount == endFileCacheStats.iFreeCount);
+		test(startFileCacheStats.iUsedCount == endFileCacheStats.iUsedCount);
+		test(startFileCacheStats.iAllocatedSegmentCount == endFileCacheStats.iAllocatedSegmentCount);
+		test(startFileCacheStats.iLockedSegmentCount == endFileCacheStats.iLockedSegmentCount);
+		test(startFileCacheStats.iFileCount == endFileCacheStats.iFileCount);
+		}
+#endif
+
+	TheFs.Close();
+	test.End();
+	test.Close();
+	__UHEAP_MARKEND;
+	delete cleanup;
+	return(KErrNone);
+    }
+
+