os/kernelhwsrv/kerneltest/f32test/server/t_filecache.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kerneltest/f32test/server/t_filecache.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,1813 @@
     1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// f32test\server\t_filecache.cpp
    1.18 +// 
    1.19 +//
    1.20 +#define __E32TEST_EXTENSION__
    1.21 +#include <f32file.h>
    1.22 +#include <e32test.h>
    1.23 +#include <e32svr.h> 
    1.24 +#include <f32dbg.h>
    1.25 +#include "t_server.h"
    1.26 +#include <e32twin.h>
    1.27 +#include <e32rom.h>
    1.28 +
    1.29 +
    1.30 +//----------------------------------------------------------------------------------------------
    1.31 +//! @SYMTestCaseID      PBASE-T_FILECACHE-0189
    1.32 +//! @SYMTestType        UT
    1.33 +//! @SYMPREQ            PREQ914
    1.34 +//! @SYMTestCaseDesc    Unit tests for fair scheduling, read caching and lazy writing
    1.35 +//! @SYMTestActions     0   setup the environment to execute the tests 
    1.36 +//!						1 	Reads a file with different blocksizes
    1.37 +//!						2	Write a file with different blocksizes
    1.38 +//!						3	Small reads while controlling the cache 
    1.39 +//!						4	Read operations with and without read ahead
    1.40 +//!						5 	Write operations with write buffer
    1.41 +//! @SYMTestExpectedResults finishes if the implementation of PREQ914 behaves as expected, panics otherwise
    1.42 +//! @SYMTestPriority        High
    1.43 +//! @SYMTestStatus          Critical
    1.44 +//----------------------------------------------------------------------------------------------
    1.45 +
    1.46 +
    1.47 +//#define SYMBIAN_TEST_EXTENDED_BUFFER_SIZES
    1.48 +
    1.49 +
    1.50 +GLDEF_D RTest test(_L("T_FILECACHE"));
    1.51 +
    1.52 +GLDEF_D	RFs TheFs;
    1.53 +GLDEF_D TChar gDriveToTest;
    1.54 +GLDEF_D TInt gDrive;
    1.55 +GLDEF_D TFileName gSessionPath;
    1.56 +
    1.57 +GLDEF_D TVolumeInfo gVolInfo;	// volume info for current drive
    1.58 +GLDEF_D TFileCacheFlags gDriveCacheFlags = TFileCacheFlags(0);
    1.59 +
    1.60 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
    1.61 +static TFileCacheConfig gFileCacheConfig;
    1.62 +static TBool gDisplayCacheFlags = EFalse;
    1.63 +static TBool gWriteCacheFlags = EFalse;
    1.64 +static TBool gRomPaged = EFalse;
    1.65 +#endif
    1.66 +static TBool gRunTests = ETrue;
    1.67 +static TBool gRunUnitTests = ETrue;
    1.68 +static TBool gRunPerformanceTests = EFalse;
    1.69 +static TBool gRunManualTests = EFalse;
    1.70 +
    1.71 +
    1.72 +LOCAL_D TInt KMaxFileSize = 768 * 1024;
    1.73 +
    1.74 +// Chosing a file size of 128K ensures entire file will be cached
    1.75 +//LOCAL_D TInt KMaxFileSize = 128 * 1024;
    1.76 +
    1.77 +LOCAL_D TBuf8<256*1024> DataBuf;
    1.78 +
    1.79 +const TInt KBufSize = 513 * 1024 - 16;
    1.80 +HBufC8* gBuf = NULL;
    1.81 +
    1.82 +
    1.83 +LOCAL_D TPtr8 gBufPtr(NULL, 0);
    1.84 +
    1.85 +const TReal KOneK = 1024;
    1.86 +const TReal KOneMeg = 1024 * KOneK;
    1.87 +
    1.88 +const TInt KSegmentSize = 4096;
    1.89 +const TInt KSegmentSizeMask = (4096-1);
    1.90 +
    1.91 +GLDEF_D template <class C>
    1.92 +GLDEF_C TInt controlIo(RFs &fs, TInt drv, TInt fkn, C &c)
    1.93 +{
    1.94 +    TPtr8 ptrC((TUint8 *)&c, sizeof(C), sizeof(C));
    1.95 +
    1.96 +    TInt r = fs.ControlIo(drv, fkn, ptrC);
    1.97 +
    1.98 +    return r;
    1.99 +}
   1.100 +
   1.101 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.102 +void PrintFileCacheStats(TFileCacheStats& fileCacheStats, TBool aDisplay = ETrue)
   1.103 +	{
   1.104 +	TInt r = controlIo(TheFs,gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.105 +	test_KErrNone(r);
   1.106 +	if (!aDisplay)
   1.107 +		return;
   1.108 +	test.Printf(_L("File cache: Cachelines (free %d, used %d), Segments(allocated %d locked %d). Closed files(%d) Holes %d Failures (commit %d Lock %d)\n"), 
   1.109 +		fileCacheStats.iFreeCount, fileCacheStats.iUsedCount, fileCacheStats.iAllocatedSegmentCount,fileCacheStats.iLockedSegmentCount,fileCacheStats.iFilesOnClosedQueue, fileCacheStats.iHoleCount, fileCacheStats.iCommitFailureCount, fileCacheStats.iLockFailureCount);
   1.110 +	test.Printf(_L("File cache: iUncachedPacketsRead %d iUncachedBytesRead %d iUncachedPacketsWritten %d iUncachedBytesWritten %d\n"), 
   1.111 +		fileCacheStats.iUncachedPacketsRead,
   1.112 +		fileCacheStats.iUncachedBytesRead,
   1.113 +		fileCacheStats.iUncachedPacketsWritten,
   1.114 +		fileCacheStats.iUncachedBytesWritten);
   1.115 +	}
   1.116 +
   1.117 +void PrintFileCacheConfig(TFileCacheConfig& aFileCacheConfig, TBool aDisplay = ETrue)
   1.118 +	{
   1.119 +	TInt r = controlIo(TheFs,gDrive, KControlIoFileCacheConfig, aFileCacheConfig);
   1.120 +	test (r == KErrNone);
   1.121 +	if (!aDisplay)
   1.122 +		return;
   1.123 +	
   1.124 +	test.Printf(_L("File cache:\nDrive %c\nFlags %08X\nFileCacheReadAsync %d\nFairSchedulingLen %d\nCacheSize %d\nMaxReadAheadLen %d\nClosedFileKeepAliveTime %d\nDirtyDataFlushTime %d"), 
   1.125 +		aFileCacheConfig.iDrive + 'A',
   1.126 +		aFileCacheConfig.iFlags,
   1.127 +		aFileCacheConfig.iFileCacheReadAsync,
   1.128 +		aFileCacheConfig.iFairSchedulingLen,
   1.129 +		aFileCacheConfig.iCacheSize,
   1.130 +		aFileCacheConfig.iMaxReadAheadLen,
   1.131 +		aFileCacheConfig.iClosedFileKeepAliveTime,
   1.132 +		aFileCacheConfig.iDirtyDataFlushTime);
   1.133 +	
   1.134 +	}
   1.135 +
   1.136 +void TestDirtyDataWrittenToDisk(TFileCacheStats& fileCacheStats)
   1.137 +	{
   1.138 +	test.Next(_L("test dirty data has been written to disk"));
   1.139 +	// wait a maximum of double KDefaultDirtyDataFlushTime for dirty data to be flushed
   1.140 +	const TInt KWaitTime = 250;	// 250 milisecs
   1.141 +	for (TInt n=0; n<(gFileCacheConfig.iDirtyDataFlushTime/1000)<<1 ; n+= KWaitTime)
   1.142 +		{
   1.143 +		test.Printf(_L("After %d milisecs : "), n );
   1.144 +		PrintFileCacheStats(fileCacheStats);
   1.145 +		User::After(KWaitTime * 1000);		// wait 100 ms
   1.146 +		if (fileCacheStats.iLockedSegmentCount == 0)
   1.147 +			break;
   1.148 +		}
   1.149 +	PrintFileCacheStats(fileCacheStats);
   1.150 +	test(fileCacheStats.iLockedSegmentCount == 0);
   1.151 +	}
   1.152 +#endif 
   1.153 +
   1.154 +void TestsInit()
   1.155 +	{
   1.156 +	gBuf = HBufC8::NewL(KBufSize);
   1.157 +	test(gBuf!=NULL);
   1.158 +	gBufPtr.Set(gBuf->Des());
   1.159 +	}
   1.160 +void TestsEnd()
   1.161 +	{
   1.162 +	delete gBuf;
   1.163 +	gBuf = NULL;
   1.164 +	}
   1.165 +
   1.166 +LOCAL_C void SetSessionPath(TInt aDrive)
   1.167 +	{
   1.168 +	gSessionPath=_L("?:\\F32-TST\\");
   1.169 +	TChar driveLetter;
   1.170 +	TInt r=TheFs.DriveToChar(aDrive,driveLetter);
   1.171 +	test_KErrNone(r);
   1.172 +	gSessionPath[0]=(TText)driveLetter;
   1.173 +	r=TheFs.SetSessionPath(gSessionPath);
   1.174 +	test_KErrNone(r);
   1.175 +	}
   1.176 +
   1.177 +LOCAL_C void PrintFileMode(TUint aFileMode)
   1.178 +	{
   1.179 +	TBuf<80> buf;
   1.180 +
   1.181 +	buf.Format(_L("FileMode = %08X"), aFileMode);
   1.182 +
   1.183 +	if (aFileMode & EFileWriteBuffered)
   1.184 +		buf.Append(_L(", EFileWriteBuffered"));
   1.185 +
   1.186 +	if (aFileMode & EFileWriteDirectIO)
   1.187 +		buf.Append(_L(", EFileWriteDirectIO"));
   1.188 +
   1.189 +	if (aFileMode & EFileReadBuffered)
   1.190 +		buf.Append(_L(", EFileReadBuffered"));
   1.191 +
   1.192 +	if (aFileMode & EFileReadDirectIO)
   1.193 +		buf.Append(_L(", EFileReadDirectIO"));
   1.194 +
   1.195 +	if (aFileMode & EFileReadAheadOn)
   1.196 +		buf.Append(_L(", EFileReadAheadOn"));
   1.197 +
   1.198 +	if (aFileMode & EFileReadAheadOff)
   1.199 +		buf.Append(_L(", EFileReadAheadOff"));
   1.200 +
   1.201 +	buf.Append(_L("\n"));
   1.202 +	test.Printf(buf);
   1.203 +	}
   1.204 +
   1.205 +void FillBuffer(TDes8& aBuffer, TInt aLength)
   1.206 +	{
   1.207 +	test (aBuffer.MaxLength() >= aLength);
   1.208 +	for(TInt i=0; i<aLength; i+=2)
   1.209 +		{
   1.210 +		aBuffer[i]=(TUint8) (i >> 8);
   1.211 +		aBuffer[i+1]=(TUint8) i;
   1.212 +		}
   1.213 +	}
   1.214 +
   1.215 +void TestBufferFail(TDes8& aBuffer, TInt aPos, TInt aLength)
   1.216 +	{
   1.217 +	test.Printf(_L("TestBuffer failed at pos %d len %d\n"), aPos, aLength);
   1.218 +
   1.219 +	#define PRINTCH(ch) ((ch >= 0x20 && ch < 0x7F)?ch:' ')
   1.220 +	TInt startPos = Max(0, aPos - 64);
   1.221 +	TInt endPos = startPos + 64;
   1.222 +
   1.223 +	for(TInt n=startPos; n<=endPos; n+=16)
   1.224 +		RDebug::Print(_L("%08X: %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X  [%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c%c]"), 
   1.225 +			//&aBuffer[aPos+n],
   1.226 +			n,
   1.227 +			aBuffer[n+0], aBuffer[n+1], aBuffer[n+2], aBuffer[n+3], aBuffer[n+4], aBuffer[n+5], aBuffer[n+6], aBuffer[n+7], aBuffer[n+8], aBuffer[n+9], aBuffer[n+10], aBuffer[n+11], aBuffer[n+12], aBuffer[n+13], aBuffer[n+14], aBuffer[n+15],
   1.228 +			PRINTCH(aBuffer[n+0]), PRINTCH(aBuffer[n+1]), PRINTCH(aBuffer[n+2]), PRINTCH(aBuffer[n+3]), PRINTCH(aBuffer[n+4]), PRINTCH(aBuffer[n+5]), PRINTCH(aBuffer[n+6]), PRINTCH(aBuffer[n+7]), PRINTCH(aBuffer[n+8]), PRINTCH(aBuffer[n+9]), PRINTCH(aBuffer[n+10]), PRINTCH(aBuffer[n+11]), PRINTCH(aBuffer[n+12]), PRINTCH(aBuffer[n+13]), PRINTCH(aBuffer[n+14]), PRINTCH(aBuffer[n+15]));
   1.229 +
   1.230 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.231 +		TInt x;
   1.232 +		TInt r = controlIo(TheFs,gDrive, KControlIoFileCacheDump, x);
   1.233 +		test_KErrNone(r);
   1.234 +#endif
   1.235 +	test (0);
   1.236 +	}
   1.237 +
   1.238 +void TestBuffer(TDes8& aBuffer, TInt aPos, TInt aLength)
   1.239 +	{
   1.240 +	TInt pos = aPos;
   1.241 +	for(TInt i=0; i<aLength; i++, pos++)
   1.242 +		{
   1.243 +		if (pos & 1)
   1.244 +			{
   1.245 +			if (aBuffer[pos] != (TUint8) pos-1)
   1.246 +				TestBufferFail(aBuffer, pos, aLength);
   1.247 +			}
   1.248 +		else
   1.249 +			{
   1.250 +			if (aBuffer[pos] != (TUint8) (pos >> 8))
   1.251 +				TestBufferFail(aBuffer, pos, aLength);
   1.252 +			}
   1.253 +		}
   1.254 +	}
   1.255 +
   1.256 +
   1.257 +LOCAL_C void UnitTests()
   1.258 +//
   1.259 +// Test read file handling.
   1.260 +//
   1.261 +	{
   1.262 +
   1.263 +	test.Start(_L("File cache read and write unit tests"));
   1.264 +	
   1.265 +//TheFs.SetDebugRegister(KCACHE);
   1.266 +	
   1.267 +	RFile f;
   1.268 +	TInt r;
   1.269 +	TInt pos;
   1.270 +	TInt len;
   1.271 +	TInt testNum;
   1.272 +
   1.273 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.274 +	TBool simulatelockFailureMode;
   1.275 +	TFileCacheStats fileCacheStats;
   1.276 +	r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.277 +	test (r == KErrNone);
   1.278 +	test.Printf(_L("Number of files on closed queue=%d\n"),fileCacheStats.iFilesOnClosedQueue);
   1.279 +	test(fileCacheStats.iFilesOnClosedQueue == 0);
   1.280 +#endif
   1.281 +
   1.282 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.283 +	// turn OFF lock failure mode 
   1.284 +	simulatelockFailureMode = EFalse;
   1.285 +	r = controlIo(TheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
   1.286 +	test (r == KErrNone);
   1.287 +#endif
   1.288 +
   1.289 +	TFileName testFile   = _L("TEST.BIN");
   1.290 +
   1.291 +	//**********************************
   1.292 +	// Test Read-Modify-Write
   1.293 +	//**********************************
   1.294 +	test.Next(_L("Test read-modify-write"));
   1.295 +	gBufPtr.SetLength(KBufSize);
   1.296 +	FillBuffer(gBufPtr, KBufSize);
   1.297 +	TestBuffer(gBufPtr, 0,KBufSize);
   1.298 +	TPtrC8 writePtr;
   1.299 +	TPtr8 readPtr(gBuf->Des());
   1.300 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.301 +	TInt uncachedBytesRead;
   1.302 +	TInt uncachedPacketsRead;
   1.303 +#endif
   1.304 +
   1.305 +	// create an empty file, so that any writes overlapping segemt boundaries
   1.306 +	// need a read first
   1.307 +	// create a test file using directIO and then re-open it in buffered mode, 
   1.308 +	// so that any writes overlapping segemt boundaries need a read first
   1.309 +	r = f.Replace(TheFs, testFile, EFileWrite | EFileWriteDirectIO);
   1.310 +	test_KErrNone(r);
   1.311 +	writePtr.Set(gBuf->Des());
   1.312 +	r = f.Write(0, writePtr);
   1.313 +	test_KErrNone(r);
   1.314 +	f.Close();
   1.315 +	r = f.Open(TheFs, testFile, EFileReadBuffered | EFileWrite | EFileWriteBuffered);
   1.316 +	test_KErrNone(r);
   1.317 +
   1.318 +	TInt cacheLineLen = 128*1024;
   1.319 +
   1.320 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.321 +	PrintFileCacheStats(fileCacheStats);
   1.322 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.323 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.324 +#endif
   1.325 +
   1.326 +	// write 1 partial segment at offset 0 to 7 in segment
   1.327 +	test.Next(_L("Test read-modify-write #1"));
   1.328 +	pos = cacheLineLen*0 + KSegmentSize*2 + 0;
   1.329 +	len = 7;
   1.330 +	writePtr.Set(gBuf->Mid(pos, len));
   1.331 +	r = f.Write(pos, writePtr, len);
   1.332 +	test_KErrNone(r);
   1.333 +	// read back & verify whole segment
   1.334 +	pos&= ~KSegmentSizeMask; len = (len + KSegmentSize-1) & ~KSegmentSizeMask;
   1.335 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.336 +	readPtr.SetLength(len);
   1.337 +	readPtr.FillZ();
   1.338 +	r = f.Read(pos, readPtr, len);
   1.339 +	test_KErrNone(r);
   1.340 +	TestBuffer(gBufPtr, pos, len);
   1.341 +	test_KErrNone(r);
   1.342 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.343 +	PrintFileCacheStats(fileCacheStats);
   1.344 +	test (fileCacheStats.iUncachedBytesRead - uncachedBytesRead == KSegmentSize);
   1.345 +	test (fileCacheStats.iUncachedPacketsRead - uncachedPacketsRead == 1);
   1.346 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.347 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.348 +#endif
   1.349 +
   1.350 +	// write 1 partial segment at offset 7 to 4096 in segment
   1.351 +	test.Next(_L("Test read-modify-write #2"));
   1.352 +	pos = cacheLineLen*0 + KSegmentSize*3 + 7;
   1.353 +	len = KSegmentSize - 7;
   1.354 +	writePtr.Set(gBuf->Mid(pos, len));
   1.355 +	r = f.Write(pos, writePtr, len);
   1.356 +	test_KErrNone(r);
   1.357 +	// read back & verify whole segment
   1.358 +	pos&= ~KSegmentSizeMask; len = (len + KSegmentSize-1) & ~KSegmentSizeMask;
   1.359 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.360 +	readPtr.SetLength(len);
   1.361 +	readPtr.FillZ();
   1.362 +	r = f.Read(pos, readPtr, len);
   1.363 +	test_KErrNone(r);
   1.364 +	TestBuffer(gBufPtr, pos, len);
   1.365 +	test_KErrNone(r);
   1.366 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.367 +	PrintFileCacheStats(fileCacheStats);
   1.368 +	test (fileCacheStats.iUncachedBytesRead - uncachedBytesRead == KSegmentSize);
   1.369 +	test (fileCacheStats.iUncachedPacketsRead - uncachedPacketsRead == 1);
   1.370 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.371 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.372 +#endif
   1.373 +
   1.374 +	// write 1 partial segment at offset 7 to 37 in segment
   1.375 +	test.Next(_L("Test read-modify-write #3"));
   1.376 +	pos = cacheLineLen*0 + KSegmentSize*4 + 7;
   1.377 +	len = 30;
   1.378 +	writePtr.Set(gBuf->Mid(pos, len));
   1.379 +	r = f.Write(pos, writePtr, len);
   1.380 +	test_KErrNone(r);
   1.381 +	// read back & verify whole segment
   1.382 +	pos&= ~KSegmentSizeMask; len = (len + KSegmentSize-1) & ~KSegmentSizeMask;
   1.383 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.384 +	readPtr.SetLength(len);
   1.385 +	readPtr.FillZ();
   1.386 +	r = f.Read(pos, readPtr, len);
   1.387 +	test_KErrNone(r);
   1.388 +	TestBuffer(gBufPtr, pos, len);
   1.389 +	test_KErrNone(r);
   1.390 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.391 +	PrintFileCacheStats(fileCacheStats);
   1.392 +	test (fileCacheStats.iUncachedBytesRead - uncachedBytesRead == KSegmentSize);
   1.393 +	test (fileCacheStats.iUncachedPacketsRead - uncachedPacketsRead == 1);
   1.394 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.395 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.396 +#endif
   1.397 +
   1.398 +	// write 2 segments, first and last both partial
   1.399 +	test.Next(_L("Test read-modify-write #4"));
   1.400 +	pos = cacheLineLen*1 + KSegmentSize*2 + 3;
   1.401 +	len = KSegmentSize * 1;
   1.402 +	writePtr.Set(gBuf->Mid(pos, len));
   1.403 +	r = f.Write(pos, writePtr, len);
   1.404 +	test_KErrNone(r);
   1.405 +	// read back & verify whole segment
   1.406 +	pos&= ~KSegmentSizeMask; len = (len + KSegmentSize-1) & ~KSegmentSizeMask;
   1.407 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.408 +	readPtr.SetLength(len);
   1.409 +	readPtr.FillZ();
   1.410 +	r = f.Read(pos, readPtr, len);
   1.411 +	test_KErrNone(r);
   1.412 +	TestBuffer(gBufPtr, pos, len);
   1.413 +	test_KErrNone(r);
   1.414 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.415 +	PrintFileCacheStats(fileCacheStats);
   1.416 +	test (fileCacheStats.iUncachedBytesRead - uncachedBytesRead == KSegmentSize*2);
   1.417 +	// should read both segments in one read as they are contiguous
   1.418 +	test (fileCacheStats.iUncachedPacketsRead - uncachedPacketsRead == 1);	
   1.419 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.420 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.421 +#endif
   1.422 +
   1.423 +	// write 3 segments, first and last both partial
   1.424 +	test.Next(_L("Test read-modify-write #5"));
   1.425 +	pos = cacheLineLen*2 + KSegmentSize*2 + 7;
   1.426 +	len = KSegmentSize * 2;
   1.427 +	writePtr.Set(gBuf->Mid(pos, len));
   1.428 +	r = f.Write(pos, writePtr, len);
   1.429 +	test_KErrNone(r);
   1.430 +	// read back & verify whole segment
   1.431 +	pos&= ~KSegmentSizeMask; len = (len + KSegmentSize-1) & ~KSegmentSizeMask;
   1.432 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.433 +	readPtr.SetLength(len);
   1.434 +	readPtr.FillZ();
   1.435 +	r = f.Read(pos, readPtr, len);
   1.436 +	test_KErrNone(r);
   1.437 +	TestBuffer(gBufPtr, pos, len);
   1.438 +	test_KErrNone(r);
   1.439 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.440 +	PrintFileCacheStats(fileCacheStats);
   1.441 +	test (fileCacheStats.iUncachedBytesRead - uncachedBytesRead == KSegmentSize*2);
   1.442 +	test (fileCacheStats.iUncachedPacketsRead - uncachedPacketsRead == 2);
   1.443 +	uncachedBytesRead = fileCacheStats.iUncachedBytesRead;
   1.444 +	uncachedPacketsRead = fileCacheStats.iUncachedPacketsRead;
   1.445 +#endif
   1.446 +
   1.447 +	f.Close();
   1.448 +
   1.449 +	//**************************************************************
   1.450 +	// Test dirty data NOT written to disk if continuously writing to a file which fits in tke cache
   1.451 +	//**************************************************************
   1.452 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.453 +	test.Printf(_L("Test dirty data NOT written to disk if continuously writing to a file which fits in tke cache...\n"));
   1.454 +
   1.455 +	// flush closed files queue to empty cache 
   1.456 +	test.Printf(_L("Flushing close queue to empty cache...\n"));
   1.457 +	r = TheFs.ControlIo(gDrive, KControlIoFlushClosedFiles);
   1.458 +	test_KErrNone(r);
   1.459 +
   1.460 +	r = f.Replace(TheFs, testFile, EFileReadBuffered | EFileWrite | EFileWriteBuffered);
   1.461 +	test_KErrNone(r);
   1.462 +
   1.463 +	RTimer timer;
   1.464 +	timer.CreateLocal();
   1.465 +	TRequestStatus reqStat;
   1.466 +	timer.After(reqStat,gFileCacheConfig.iClosedFileKeepAliveTime*3); // write 3 times the flush timer
   1.467 +
   1.468 +	pos = 0;
   1.469 +	TInt bufLen = 7;
   1.470 +	TInt maxLockedSegmentCount = 0;
   1.471 +	while (reqStat == KRequestPending)
   1.472 +		{
   1.473 +		bufLen = (bufLen + 1023) & 0x3FFF;
   1.474 +		len = Min(bufLen, KBufSize - pos);
   1.475 +		len = Min(len, gFileCacheConfig.iCacheSize-pos);
   1.476 +		TPtrC8 writePtr = gBuf->Mid(pos, len);
   1.477 +		r = f.Write(pos, writePtr, len);
   1.478 +		test_KErrNone(r);
   1.479 +		pos+= len;
   1.480 +		TInt r = controlIo(TheFs,gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.481 +		test_KErrNone(r);
   1.482 +		// test the locked (i.e. dirty) count always goes up & never down (down would indicate a flush)
   1.483 +		if (fileCacheStats.iLockedSegmentCount != maxLockedSegmentCount)
   1.484 +			test.Printf(_L("iLockedSegmentCount %d...\n"), fileCacheStats.iLockedSegmentCount);
   1.485 +
   1.486 +		test(fileCacheStats.iLockedSegmentCount >= maxLockedSegmentCount);
   1.487 +		maxLockedSegmentCount = Max(maxLockedSegmentCount, fileCacheStats.iLockedSegmentCount);
   1.488 +		// wrap to start of file
   1.489 +		if (pos >= gFileCacheConfig.iCacheSize)	
   1.490 +			pos = 0;
   1.491 +		}
   1.492 +	timer.Close();
   1.493 +
   1.494 +	test(fileCacheStats.iLockedSegmentCount > 0);
   1.495 +
   1.496 +	if (gDriveCacheFlags & (EFileCacheWriteEnabled | EFileCacheWriteOn))
   1.497 +		TestDirtyDataWrittenToDisk(fileCacheStats);
   1.498 +	f.Close();
   1.499 +#endif
   1.500 +
   1.501 +
   1.502 +	//**************************************************************
   1.503 +	// Test dirty data written to disk
   1.504 +	//**************************************************************
   1.505 +	enum {ETestDataWrittenAfterTimeout, ETestDataWrittenAfterFileClose, ETestDataWrittenAfterSessionClose, ETestEnd};
   1.506 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.507 +	for (testNum = 0; testNum < ETestEnd; testNum++)
   1.508 +#else
   1.509 +	for (testNum = 0; testNum < 1; testNum++)
   1.510 +#endif
   1.511 +		{
   1.512 +		switch(testNum)
   1.513 +			{
   1.514 +			case ETestDataWrittenAfterTimeout		: test.Next(_L("ETestDataWrittenAfterTimeout"));		break;
   1.515 +			case ETestDataWrittenAfterFileClose		: test.Next(_L("ETestDataWrittenAfterFileClose"));		break;
   1.516 +			case ETestDataWrittenAfterSessionClose	: test.Next(_L("ETestDataWrittenAfterSessionClose"));	break;
   1.517 +			};
   1.518 +
   1.519 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.520 +		// flush closed files queue to empty cache 
   1.521 +		test.Printf(_L("Flushing close queue to empty cache...\n"));
   1.522 +		r = TheFs.ControlIo(gDrive, KControlIoFlushClosedFiles);
   1.523 +		test_KErrNone(r);
   1.524 +#endif
   1.525 +
   1.526 +		r = f.Replace(TheFs, testFile, EFileReadBuffered | EFileWrite | EFileWriteBuffered);
   1.527 +		test_KErrNone(r);
   1.528 +
   1.529 +
   1.530 +		gBufPtr.SetLength(KBufSize);
   1.531 +		
   1.532 +		test.Printf(_L("writing file in small blocks to test write caching...\n"));
   1.533 +
   1.534 +		FillBuffer(gBufPtr, KBufSize);
   1.535 +		TestBuffer(gBufPtr, 0,KBufSize);
   1.536 +
   1.537 +		pos = 0;
   1.538 +		TInt bufLen = 7;
   1.539 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.540 +		TInt maxLockedSegmentCount = 0;
   1.541 +		TInt maxUsedCount = 0;
   1.542 +#endif
   1.543 +		while (pos < KBufSize) 
   1.544 +			{
   1.545 +			bufLen = (bufLen + 1023) & 0x3FFF;
   1.546 +			len = Min(bufLen, KBufSize - pos);
   1.547 +//RDebug::Print(_L("write len %d"), len);
   1.548 +			TPtrC8 writePtr = gBuf->Mid(pos, len);
   1.549 +			r = f.Write(pos, writePtr, len);
   1.550 +			test_KErrNone(r);
   1.551 +			pos+= len;
   1.552 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.553 +//			PrintFileCacheStats(fileCacheStats);
   1.554 +			TInt r = controlIo(TheFs,gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.555 +			test_KErrNone(r);
   1.556 +			maxLockedSegmentCount = Max(maxLockedSegmentCount, fileCacheStats.iLockedSegmentCount);
   1.557 +			maxUsedCount = Max(maxUsedCount, fileCacheStats.iUsedCount);
   1.558 +#endif
   1.559 +			}
   1.560 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.561 +		test.Next(_L("Test maxiimum locked page and cacheline count is reasonable"));
   1.562 +		test.Printf(_L("maxLockedSegmentCount %d maxUsedCount %d"), maxLockedSegmentCount, maxUsedCount);
   1.563 +		test (maxLockedSegmentCount > 0 && maxLockedSegmentCount <= (gFileCacheConfig.iCacheSize * 2) / KSegmentSize );
   1.564 +		test (maxUsedCount > 0 && maxUsedCount <= 5);
   1.565 +#endif
   1.566 +
   1.567 +
   1.568 +
   1.569 +		if (testNum == ETestDataWrittenAfterTimeout)
   1.570 +			{
   1.571 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.572 +			if (gDriveCacheFlags & (EFileCacheWriteEnabled | EFileCacheWriteOn))
   1.573 +				TestDirtyDataWrittenToDisk(fileCacheStats);
   1.574 +#endif
   1.575 +			f.Close();
   1.576 +			}
   1.577 +
   1.578 +		if (testNum == ETestDataWrittenAfterFileClose)
   1.579 +			{
   1.580 +			f.Close();
   1.581 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.582 +			test.Next(_L("test dirty data has been written to disk after file close"));
   1.583 +			PrintFileCacheStats(fileCacheStats);
   1.584 +			test(fileCacheStats.iLockedSegmentCount == 0);
   1.585 +#endif
   1.586 +			}
   1.587 +
   1.588 +		if (testNum == ETestDataWrittenAfterSessionClose)
   1.589 +			{
   1.590 +			// verify that closing the file server session (i.e. not the file)
   1.591 +			// flushes the data to disk...
   1.592 +			// *** NB This is likely to complete sometime AFTER returning from RFs::Close()
   1.593 +			// *** as  the file server doesn't wait for the disconnect thread to complete !!! 
   1.594 +
   1.595 +			TheFs.Close();
   1.596 +			TheFs.Connect();
   1.597 +			SetSessionPath(gDrive);
   1.598 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.599 +			test.Next(_L("Test dirty data is eventually written to disk after session close"));
   1.600 +			TestDirtyDataWrittenToDisk(fileCacheStats);
   1.601 +			test(fileCacheStats.iLockedSegmentCount == 0);
   1.602 +#endif
   1.603 +			}
   1.604 +
   1.605 +		}	// for (TInt testNum = 0; testNum < ETestEnd; testNum++)
   1.606 +
   1.607 +
   1.608 +//#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.609 +//	PrintFileCacheStats(fileCacheStats);
   1.610 +//#endif
   1.611 +
   1.612 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.613 +	// flush closed files queue to empty cache 
   1.614 +	test.Printf(_L("Flushing close queue to empty cache...\n"));
   1.615 +	r = TheFs.ControlIo(gDrive, KControlIoFlushClosedFiles);
   1.616 +	test_KErrNone(r);
   1.617 +#endif
   1.618 +
   1.619 +	r = f.Open(TheFs, testFile, EFileRead | EFileReadBuffered | EFileWrite);
   1.620 +	test_KErrNone(r);
   1.621 +
   1.622 +	TInt size;
   1.623 +	r = f.Size(size);
   1.624 +	test (r == KErrNone);
   1.625 +	test (size = KBufSize);
   1.626 +
   1.627 +	readPtr.Set(gBuf->Des());
   1.628 +
   1.629 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.630 +	// Allocate full cachelines - so we can enable hole testing
   1.631 +	TBool allocateAllSegmentsInCacheLine = ETrue;
   1.632 +	r = controlIo(TheFs, gDrive, KControlIoAllocateMaxSegments, allocateAllSegmentsInCacheLine);
   1.633 +	test (r == KErrNone);
   1.634 +	PrintFileCacheStats(fileCacheStats, EFalse);
   1.635 +	TInt holesDetected = fileCacheStats.iHoleCount;
   1.636 +	TInt lockFailures = fileCacheStats.iCommitFailureCount + fileCacheStats.iLockFailureCount;
   1.637 +#endif
   1.638 +
   1.639 +	test.Next(_L("Test reading a partially filled cacheline"));
   1.640 +	// create a cacheline with only the first segment filled
   1.641 +	TInt startPos = KSegmentSize;
   1.642 +	pos = startPos;
   1.643 +	len = KSegmentSize;
   1.644 +	writePtr.Set(gBuf->Mid(pos, len));
   1.645 +	r = f.Write(pos, writePtr, len);
   1.646 +	test_KErrNone(r);
   1.647 +
   1.648 +	// read from first & second segments
   1.649 +	pos = startPos;
   1.650 +	len = 8192;
   1.651 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.652 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.653 +	readPtr.SetLength(len);
   1.654 +	r = f.Read(pos, readPtr, len);
   1.655 +	test_KErrNone(r);
   1.656 +	TestBuffer(gBufPtr, pos, len);
   1.657 +
   1.658 +	
   1.659 +	test.Next(_L("Test reading an empty segment towards the end of a partially filled cacheline (hole test)"));
   1.660 +	// read from segment #4 and beyond end of cacheline into next
   1.661 +	pos = startPos + KSegmentSize * 4;
   1.662 +	len = KSegmentSize * 33;	// 132 K
   1.663 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.664 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.665 +	readPtr.SetLength(len);
   1.666 +	r = f.Read(pos, readPtr, len);
   1.667 +	test_KErrNone(r);
   1.668 +	TestBuffer(gBufPtr, pos, len);
   1.669 +
   1.670 +
   1.671 +	test.Next(_L("Test writing to an empty segment towards the end of a partially filled cacheline (hole test)"));
   1.672 +	// create a cacheline with only the first segment filled
   1.673 +	startPos = 256 * 1024;			
   1.674 +	pos = startPos;
   1.675 +	len = KSegmentSize;
   1.676 +	writePtr.Set(gBuf->Mid(pos, len));
   1.677 +	r = f.Write(pos, writePtr, len);
   1.678 +	test_KErrNone(r);
   1.679 +
   1.680 +
   1.681 +	// write into segment 3, 4 & 5
   1.682 +	pos = startPos + KSegmentSize * 2;
   1.683 +	len = KSegmentSize * 3;
   1.684 +	writePtr.Set(gBuf->Mid(pos, len));
   1.685 +	r = f.Write(pos, writePtr, len);
   1.686 +	test_KErrNone(r);
   1.687 +	// read back whole cacheline & verify
   1.688 +	pos = startPos;
   1.689 +	len = KSegmentSize * 32;	// 128 K
   1.690 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.691 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.692 +	readPtr.SetLength(len);
   1.693 +	r = f.Read(pos, readPtr, len);
   1.694 +	test_KErrNone(r);
   1.695 +	TestBuffer(gBufPtr, pos, len);
   1.696 +
   1.697 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.698 +	PrintFileCacheStats(fileCacheStats);
   1.699 +	if (fileCacheStats.iCommitFailureCount + fileCacheStats.iLockFailureCount != lockFailures)
   1.700 +		{
   1.701 +		if (gRomPaged)
   1.702 +			{
   1.703 +			test.Printf(_L("Lock failures detected on paged ROM, abandoning hole test"));
   1.704 +			}
   1.705 +		else
   1.706 +			{
   1.707 +			test.Printf(_L("Unexpected lock failures detected on unpaged ROM!!!"));
   1.708 +			test(0);
   1.709 +			}
   1.710 +		}
   1.711 +	else
   1.712 +		{
   1.713 +		test(fileCacheStats.iHoleCount > holesDetected);
   1.714 +		}
   1.715 +	// Don't allocate full cachelines any more
   1.716 +	allocateAllSegmentsInCacheLine = EFalse;
   1.717 +	r = controlIo(TheFs, gDrive, KControlIoAllocateMaxSegments, allocateAllSegmentsInCacheLine);
   1.718 +	test (r == KErrNone);
   1.719 +#endif
   1.720 +
   1.721 +
   1.722 +
   1.723 +	gBufPtr.FillZ();
   1.724 +	gBufPtr.SetLength(KBufSize);
   1.725 +
   1.726 +	
   1.727 +
   1.728 +	readPtr.SetLength(0);
   1.729 +
   1.730 +
   1.731 +	// read from middle of fifth sector to half way thru seventh
   1.732 +	test.Next(_L("Test read that spans two pages"));
   1.733 +	pos = 512*4 + 16;
   1.734 +	len = 512*2;
   1.735 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.736 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.737 +	readPtr.SetLength(len);
   1.738 +	r = f.Read(pos, readPtr, len);
   1.739 +	test_KErrNone(r);
   1.740 +	TestBuffer(gBufPtr, pos, len);
   1.741 +
   1.742 +
   1.743 +
   1.744 +	// read to end of file
   1.745 +	test.Next(_L("Test reading past end of file"));
   1.746 +    pos = KBufSize - 0x100;			// 0xfb05;
   1.747 +	len = KBufSize - pos;
   1.748 +//	pos = KBufSize - 16;
   1.749 +//	len = 512;;
   1.750 +//	len = Min(len, KBufSize-pos);
   1.751 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.752 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.753 +	readPtr.SetLength(len);
   1.754 +	r = f.Read(pos, readPtr, len/* + 0x67*/);
   1.755 +	test_KErrNone(r);
   1.756 +
   1.757 +	test.Next(_L("Test async reads"));
   1.758 +	// issue 2 async reads
   1.759 +	pos = KSegmentSize*7 + 16;
   1.760 +	len = KSegmentSize;
   1.761 +	RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.762 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.763 +	readPtr.SetLength(len);
   1.764 +
   1.765 +	TInt pos2 = pos + len;
   1.766 +	TInt len2 = KSegmentSize;
   1.767 +	TPtr8 readPtr2 = gBuf->Des();
   1.768 +	readPtr2.Set(gBufPtr.MidTPtr(pos2, len2));
   1.769 +	readPtr2.SetLength(len2);
   1.770 +	
   1.771 +	TRequestStatus status1(KRequestPending);
   1.772 +	TRequestStatus status2(KRequestPending);
   1.773 +	
   1.774 +	f.Read(pos, readPtr, len, status1);
   1.775 +	f.Read(readPtr2, len2, status2);
   1.776 +
   1.777 +
   1.778 +	User::WaitForRequest(status1);
   1.779 +	User::WaitForRequest(status2);
   1.780 +	test.Printf(_L("status1 %d status2 %d\n"), status1.Int(), status2.Int());
   1.781 +	TestBuffer(gBufPtr, pos, len);
   1.782 +	TestBuffer(gBufPtr, pos2, len2);
   1.783 +
   1.784 +
   1.785 +	test.Next(_L("Read entire file"));
   1.786 +
   1.787 +	for (pos = 0, len = 1; len <= 1024 && pos < KBufSize; len = (len+1) & 0x3FF)
   1.788 +		{
   1.789 +		len = Min(len, KBufSize-pos);
   1.790 +//		RDebug::Print(_L("+%x, %x\n"), pos, len);
   1.791 +		readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.792 +		readPtr.SetLength(len);
   1.793 +
   1.794 +		r = f.Read(pos, readPtr, len);
   1.795 +		test_KErrNone(r);
   1.796 +		TestBuffer(gBufPtr, pos, len);
   1.797 +		test_KErrNone(r);
   1.798 +		pos+= len;
   1.799 +		}
   1.800 +	
   1.801 +	TestBuffer(gBufPtr, 0, KBufSize);
   1.802 +
   1.803 +	// read from position zero to ensure it's cached
   1.804 +	pos = 0;
   1.805 +	len = 512;
   1.806 +	readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.807 +	readPtr.SetLength(len);
   1.808 +	r = f.Read(pos, readPtr, len);
   1.809 +	test_KErrNone(r);
   1.810 +	TestBuffer(gBufPtr, pos, len);
   1.811 +	test_KErrNone(r);
   1.812 +
   1.813 +	f.Close();
   1.814 +
   1.815 +
   1.816 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.817 +	r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.818 +	test (r == KErrNone);
   1.819 +	test.Printf(_L("Number of files on closed queue=%d\n"),fileCacheStats.iFilesOnClosedQueue);
   1.820 +	test(fileCacheStats.iFilesOnClosedQueue == 1);
   1.821 +#endif
   1.822 +	//
   1.823 +
   1.824 +	
   1.825 +	//**************************************************************
   1.826 +	// Test closed file queue 
   1.827 +	//**************************************************************
   1.828 +	enum 
   1.829 +		{
   1.830 +		ETestCloseQueueEmptyAfterTimeout, 
   1.831 +		ETestCloseQueueEmptyAfterOpenWithDirectIo, 
   1.832 +		ETestCloseQueueEmptyAfterDelete, 
   1.833 +		ETestCloseEnd};
   1.834 +	for (testNum = 0; testNum < ETestCloseEnd; testNum++)
   1.835 +		{
   1.836 +	
   1.837 +		test.Next(_L("Reopen file & verify closed queue is empty"));
   1.838 +
   1.839 +		r = f.Open(TheFs, testFile, EFileRead | EFileReadBuffered);
   1.840 +		test_KErrNone(r);
   1.841 +		pos = 0;
   1.842 +		len = 512;
   1.843 +		readPtr.Set(gBufPtr.MidTPtr(pos, len));
   1.844 +		readPtr.SetLength(len);
   1.845 +		r = f.Read(pos, readPtr, len);
   1.846 +		test_KErrNone(r);
   1.847 +		TestBuffer(gBufPtr, pos, len);
   1.848 +		test_KErrNone(r);
   1.849 +
   1.850 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.851 +		r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.852 +		test (r == KErrNone);
   1.853 +		test.Printf(_L("Number of files on closed queue=%d\n"),fileCacheStats.iFilesOnClosedQueue);
   1.854 +		test(fileCacheStats.iFilesOnClosedQueue == 0);
   1.855 +#endif
   1.856 +		f.Close();
   1.857 +
   1.858 +		test.Next(_L("close & verify file is back on close queue"));
   1.859 +
   1.860 +
   1.861 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.862 +		r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.863 +		test (r == KErrNone);
   1.864 +		test.Printf(_L("Number of files on closed queue=%d\n"),fileCacheStats.iFilesOnClosedQueue);
   1.865 +		test(fileCacheStats.iFilesOnClosedQueue == 1);
   1.866 +#endif
   1.867 +
   1.868 +		if (testNum == ETestCloseQueueEmptyAfterDelete)
   1.869 +			{
   1.870 +			test.Next(_L("delete file and verify closed queue is empty"));
   1.871 +			r = TheFs.Delete(testFile);
   1.872 +			test_KErrNone(r);
   1.873 +			}
   1.874 +		if (testNum == ETestCloseQueueEmptyAfterTimeout)
   1.875 +			{
   1.876 +			test.Next(_L("wait for a while and verify closed queue is empty"));
   1.877 +			// wait for closed file queue to empty
   1.878 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.879 +			User::After(gFileCacheConfig.iClosedFileKeepAliveTime + 1000000);
   1.880 +#endif
   1.881 +			}
   1.882 +		if (testNum == ETestCloseQueueEmptyAfterOpenWithDirectIo)
   1.883 +			{
   1.884 +			test.Next(_L("Re-open file in directIo mode and then close and verify closed queue is empty"));
   1.885 +			r = f.Open(TheFs, testFile, EFileRead | EFileReadDirectIO);
   1.886 +			test_KErrNone(r);
   1.887 +			f.Close();
   1.888 +			}
   1.889 +
   1.890 +	#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.891 +		r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.892 +		test (r == KErrNone);
   1.893 +		test.Printf(_L("Number of files on closed queue=%d\n"),fileCacheStats.iFilesOnClosedQueue);
   1.894 +		test(fileCacheStats.iFilesOnClosedQueue == 0);
   1.895 +	#endif
   1.896 +		}
   1.897 +
   1.898 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.899 +	// turn lock failure mode back ON (if enabled)
   1.900 +	simulatelockFailureMode = ETrue;
   1.901 +	r = controlIo(TheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
   1.902 +	test (r == KErrNone);
   1.903 +#endif
   1.904 +
   1.905 +	//**************************************************************
   1.906 +	// Test opening a file with a silly open mode flags combinations 
   1.907 +	//**************************************************************
   1.908 +	test.Next(_L("Open file with illegal cache on/off bits"));
   1.909 +	r = f.Open(TheFs, testFile, EFileRead | EFileReadBuffered | EFileReadDirectIO);
   1.910 +	test_Value(r, r==KErrArgument);
   1.911 +	r = f.Open(TheFs, testFile, EFileRead | EFileWriteBuffered | EFileWriteDirectIO);
   1.912 +	test_Value(r, r==KErrArgument);
   1.913 +	//**********************************
   1.914 +	// Test that continuously appending to a file yields the correct size...
   1.915 +	// NB: Must have lock failure more ON in debug mode for this test to pass
   1.916 +	//**********************************
   1.917 +	test.Next(_L("Test appending to a file & checking the file size..."));
   1.918 +	gBufPtr.SetLength(KBufSize);
   1.919 +
   1.920 +	r = f.Replace(TheFs, testFile, EFileWrite | EFileWriteBuffered);
   1.921 +	test_KErrNone(r);
   1.922 +
   1.923 +	const TInt KWriteLen = KSegmentSize+1;
   1.924 +	writePtr.Set(gBuf->Des().Ptr(), KWriteLen);
   1.925 +
   1.926 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.927 +	r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.928 +	test (r == KErrNone);
   1.929 +	test.Printf(_L("Number of Write-throughs with dirty data=%d\n"),fileCacheStats.iWriteThroughWithDirtyDataCount);
   1.930 +	TInt writeThroughWithDirtyDataCountOld = fileCacheStats.iWriteThroughWithDirtyDataCount;
   1.931 +	TInt writeThroughWithDirtyDataCountNew = writeThroughWithDirtyDataCountOld;
   1.932 +#endif
   1.933 +
   1.934 +	TInt fileSize = 0;
   1.935 +	for (TInt i=0; i<4; i++)
   1.936 +		{
   1.937 +		fileSize = 0;
   1.938 +		r = f.SetSize(fileSize);
   1.939 +		test (r == KErrNone);
   1.940 +		for (pos = 0; pos < KMaxFileSize; )
   1.941 +			{
   1.942 +			r = f.Write(pos, writePtr);
   1.943 +			if (r != KErrNone)
   1.944 +				{
   1.945 +				test.Printf(_L("Iter #%d, write pos %d size %d, Write() returned %d"), i, pos, fileSize, r);
   1.946 +				r = f.Flush();
   1.947 +				test.Printf(_L("Flush returned %d"), r);
   1.948 +				test(0);
   1.949 +				}
   1.950 +			test(r == KErrNone);
   1.951 +			pos+= writePtr.Length();
   1.952 +
   1.953 +			r = f.Size(fileSize);
   1.954 +			test (r == KErrNone);
   1.955 +			if (fileSize != pos)
   1.956 +				{
   1.957 +				test.Printf(_L("Iter #%d, write pos %d != size %d"), i, pos, fileSize);
   1.958 +				r = f.Flush();
   1.959 +				test.Printf(_L("Flush returned %d"), r);
   1.960 +				test(0);
   1.961 +				}
   1.962 +			test (fileSize == pos);
   1.963 +
   1.964 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.965 +			r = controlIo(TheFs, gDrive, KControlIoFileCacheStats, fileCacheStats);
   1.966 +			test (r == KErrNone);
   1.967 +			writeThroughWithDirtyDataCountNew = fileCacheStats.iWriteThroughWithDirtyDataCount;
   1.968 +			if (writeThroughWithDirtyDataCountNew > writeThroughWithDirtyDataCountOld)
   1.969 +				{
   1.970 +				test.Printf(_L("Iter #%d, write pos %d size %d"), i, pos, fileSize);
   1.971 +				test.Printf(_L("Number of Write-throughs with dirty data=%d\n"),fileCacheStats.iWriteThroughWithDirtyDataCount);
   1.972 +				i = 4;
   1.973 +				break;
   1.974 +				}
   1.975 +#endif
   1.976 +
   1.977 +			}
   1.978 +		}
   1.979 +
   1.980 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
   1.981 +	test(writeThroughWithDirtyDataCountNew > writeThroughWithDirtyDataCountOld);
   1.982 +#endif
   1.983 +
   1.984 +
   1.985 +	f.Close();
   1.986 +
   1.987 +
   1.988 +//TheFs.SetDebugRegister(0);
   1.989 +	test.End();
   1.990 +	}
   1.991 +
   1.992 +
   1.993 +// This thread is used to test what happens if requests are sent to the file server
   1.994 +// while the drive thread is hung in the critical notifier server. The requests should
   1.995 +// complete immediately with KErrNotReady
   1.996 +TInt ReaderThread(TAny* aFileName)
   1.997 +	{
   1.998 +	RTest test(_L("T_FILECACHE, ReaderThread"));
   1.999 +	
  1.1000 +	TDesC& fileName = *(TDesC*) aFileName;
  1.1001 +
  1.1002 +	RFs fs;
  1.1003 +	TInt r = fs.Connect();
  1.1004 +	test (r==KErrNone);
  1.1005 +	r = fs.SetSessionPath(gSessionPath);
  1.1006 +	test (r==KErrNone);
  1.1007 +
  1.1008 +
  1.1009 +	RFile file;
  1.1010 +	r = file.Open(fs, fileName, EFileRead | EFileReadBuffered | EFileShareReadersOrWriters);
  1.1011 +	test_KErrNone(r);
  1.1012 +
  1.1013 +	RTimer timer;
  1.1014 +	timer.CreateLocal();
  1.1015 +	TRequestStatus reqStat;
  1.1016 +	timer.After(reqStat,10000000); // Read for 10 secs
  1.1017 +
  1.1018 +	TInt pos=0;
  1.1019 +	TInt KReadLen = 32768;
  1.1020 +	TInt retCode = KErrNone;
  1.1021 +		
  1.1022 +	for (TInt i=0; reqStat == KRequestPending; i++)
  1.1023 +		{
  1.1024 +		r = file.Read(pos, DataBuf, KReadLen);
  1.1025 +		test_Value(r, r == KErrNone || r == KErrNotReady);
  1.1026 +
  1.1027 +		//test.Printf(_L("ReaderThread: iter %d, read at %d ret %d\n"), i, pos, r);
  1.1028 +		if (r == KErrNotReady)
  1.1029 +			retCode = r;
  1.1030 +		else if (r == KErrNone)
  1.1031 +			pos = DataBuf.Length() == 0 ? 0: pos + DataBuf.Length();
  1.1032 +		if (retCode == KErrNotReady)
  1.1033 +			test.Printf(_L("ReaderThread: iter %d, read at %d ret %d \n"), i, pos, r);
  1.1034 +		}
  1.1035 +
  1.1036 +	timer.Close();
  1.1037 +	file.Close();
  1.1038 +	fs.Close();
  1.1039 +
  1.1040 +	return retCode;
  1.1041 +	}
  1.1042 +
  1.1043 +
  1.1044 +void ManualTests()
  1.1045 +	{
  1.1046 +	RFile f;
  1.1047 +	TInt r;
  1.1048 +	gBufPtr.SetLength(KBufSize);
  1.1049 +	FillBuffer(gBufPtr, KBufSize);
  1.1050 +	TestBuffer(gBufPtr, 0,KBufSize);
  1.1051 +
  1.1052 +	TPtrC8 writePtr;
  1.1053 +	writePtr.Set(gBuf->Des());
  1.1054 +	
  1.1055 +	TFileName testFile   = _L("TEST.BIN");
  1.1056 +	
  1.1057 +#if defined(_DEBUG)
  1.1058 +	test.Next(_L("Testing writing and then closing with an immediate simulated card eject"));
  1.1059 +	test.Printf(_L("**********************************************************\n"));
  1.1060 +	test.Printf(_L("When critical notifier message appears, PRESS RETRY\n"));
  1.1061 +	test.Printf(_L("**********************************************************\n"));
  1.1062 +
  1.1063 +	r = f.Replace(TheFs, testFile, EFileWrite | EFileWriteBuffered | EFileShareReadersOrWriters);
  1.1064 +	test_KErrNone(r);
  1.1065 +
  1.1066 +	test.Printf(_L("Writing...."));
  1.1067 +	r = f.Write(0, writePtr);
  1.1068 +	test.Printf(_L("Write returned %d\n"), r);
  1.1069 +	test_KErrNone(r);
  1.1070 +
  1.1071 +	r=TheFs.ControlIo(gDrive, KControlIoSimulateFileCacheWriteFailure);
  1.1072 +	test_KErrNone(r);
  1.1073 +
  1.1074 +	f.Close();
  1.1075 +
  1.1076 +	TEntry entry;
  1.1077 +
  1.1078 +	// wait for re-insertion....
  1.1079 +	do
  1.1080 +		{
  1.1081 +		r = TheFs.Entry(testFile, entry);
  1.1082 +		User::After(500000);
  1.1083 +		}
  1.1084 +	while (r == KErrNotReady);
  1.1085 +	test_KErrNone(r);
  1.1086 +
  1.1087 +	test.Printf(_L("FileSize %d expected %d\n"), entry.iSize, writePtr.Length());
  1.1088 +
  1.1089 +	// test all data is written to disk 
  1.1090 +	test (entry.iSize == writePtr.Length());
  1.1091 +#endif
  1.1092 +
  1.1093 +
  1.1094 +	test.Next(_L("Testing writing and then ejecting card"));
  1.1095 +
  1.1096 +//	r = f.Replace(TheFs, testFile, EFileWrite | EFileWriteDirectIO);
  1.1097 +	r = f.Replace(TheFs, testFile, EFileWrite | EFileWriteBuffered | EFileShareReadersOrWriters);
  1.1098 +	test_KErrNone(r);
  1.1099 +	writePtr.Set(gBuf->Des());
  1.1100 +
  1.1101 +
  1.1102 +	// set the file size first so that the cluster chain already exists
  1.1103 +	r = f.SetSize(writePtr.Length());
  1.1104 +	test.Printf(_L("SetSize returned %d"));
  1.1105 +
  1.1106 +	// Create another thread which will attempt to issue reads while this thread is suspended
  1.1107 +	// These reads should complete with KErrNotReady
  1.1108 +	const TInt KHeapSize = 32768;
  1.1109 +	test.Printf(_L("Creating file-reading thread\n"));
  1.1110 +	RThread readerThread;
  1.1111 +	readerThread.Create(_L("FileReaderThread"), ReaderThread, KDefaultStackSize, KHeapSize, KHeapSize, &testFile);
  1.1112 +
  1.1113 +	test.Printf(_L("Writing...."));
  1.1114 +	r = f.Write(0, writePtr);
  1.1115 +	test.Printf(_L("Write returned %d\n"), r);
  1.1116 +
  1.1117 +
  1.1118 +	test.Printf(_L("Waiting 5 seconds.\n"));
  1.1119 +	test.Printf(_L("**********************************************************\n"));
  1.1120 +	test.Printf(_L("Please press a key, EJECT MEDIA BEFORE WRITE TIMER EXPIRES,\n"));
  1.1121 +	test.Printf(_L("wait for critical notifier, replace media and retry\n"));
  1.1122 +	test.Printf(_L("**********************************************************\n"));
  1.1123 +//	test.Printf(_L("press any key..."));
  1.1124 +	test.Getch();
  1.1125 +	test.Printf(_L("\n"));
  1.1126 +
  1.1127 +	test.Printf(_L("Writing...."));
  1.1128 +	r = f.Write(0, writePtr);
  1.1129 +	test.Printf(_L("Write returned %d\n"), r);
  1.1130 +	readerThread.Resume();
  1.1131 +
  1.1132 +	User::After(5000000);
  1.1133 +
  1.1134 +	do
  1.1135 +		{
  1.1136 +		test.Printf(_L("Flushing....\n"));
  1.1137 +		r = f.Flush();
  1.1138 +		test.Printf(_L("Flush returned %d\n"), r);
  1.1139 +		if (r != KErrNone)
  1.1140 +			User::After(5000000);
  1.1141 +		}
  1.1142 +	while (r != KErrNone);
  1.1143 +
  1.1144 +
  1.1145 +//	r = f.Write(0, writePtr);
  1.1146 +//	test.Printf(_L("Write returned %d"));
  1.1147 +
  1.1148 +//	test_KErrNone(r);
  1.1149 +
  1.1150 +	test.Next(_L("Testing reader thread completed with KErrNotReady"));
  1.1151 +	TRequestStatus status;
  1.1152 +	readerThread.Logon(status);
  1.1153 +	readerThread.Resume();
  1.1154 +	User::WaitForRequest(status);
  1.1155 +	test.Printf(_L("ReaderThread status  %d\n"), status.Int());
  1.1156 +	test (status.Int() == KErrNotReady);
  1.1157 +	readerThread.Close();
  1.1158 +
  1.1159 +	test.Printf(_L("press any key..."));
  1.1160 +	test.Getch();
  1.1161 +	test.Printf(_L("\n"));
  1.1162 +
  1.1163 +	f.Close();
  1.1164 +	}
  1.1165 +
  1.1166 +
  1.1167 +LOCAL_C void DoTestFileRead(TUint aFileMode, TInt aReadBlockSize)
  1.1168 +//
  1.1169 +// Do Read Test
  1.1170 +//
  1.1171 +	{
  1.1172 +
  1.1173 +	RFile file;
  1.1174 +	TInt r=file.Open(TheFs,_L("READTEST.XXX"),EFileStream | aFileMode);
  1.1175 +	test_KErrNone(r);
  1.1176 +
  1.1177 +	TInt maxReadCount=KMaxFileSize/aReadBlockSize;
  1.1178 +	TInt loopCount=0;
  1.1179 +
  1.1180 +	TTime startTime;
  1.1181 +	TTime endTime;
  1.1182 +
  1.1183 +	RTimer timer;
  1.1184 +	timer.CreateLocal();
  1.1185 +	TRequestStatus reqStat;
  1.1186 +	timer.After(reqStat,10000000); // After 10 secs
  1.1187 +	startTime.HomeTime();
  1.1188 +
  1.1189 +	FOREVER
  1.1190 +		{
  1.1191 +		TInt pos=0;
  1.1192 +		file.Seek(ESeekStart,pos);
  1.1193 +		for(TInt ii=0;ii<maxReadCount;ii++)
  1.1194 +			{
  1.1195 +			r = file.Read(DataBuf,aReadBlockSize);
  1.1196 +			test_KErrNone(r);
  1.1197 +#if defined(_DEBUG)
  1.1198 +			for(TInt jj=0;jj<DataBuf.Size();jj++)
  1.1199 +				{
  1.1200 +				if (DataBuf[jj] != ((jj+ii*aReadBlockSize)%256))
  1.1201 +					{
  1.1202 +					test.Printf(_L("len %d size %d jj %d ii %d"), DataBuf.Length(), DataBuf.Size(), jj, ii);
  1.1203 +					test(0);
  1.1204 +					}
  1.1205 +//				test(DataBuf[jj] == ((jj+ii*aReadBlockSize)%256) );
  1.1206 +				}
  1.1207 +#endif
  1.1208 +			if (reqStat!=KRequestPending)
  1.1209 +				{
  1.1210 +				endTime.HomeTime();
  1.1211 +
  1.1212 +				TInt functionCalls=loopCount*maxReadCount+ii;
  1.1213 +//				TReal rate = ( TReal32(functionCalls) * TReal32(aReadBlockSize) ) / 10;
  1.1214 +//				test.Printf(_L("Read %5d byte blocks:\t%11.3f KBytes/s\n"), aReadBlockSize, rate / (KOneK));
  1.1215 +				
  1.1216 +				TReal transferRate = 
  1.1217 +					(TReal32(functionCalls) * TReal32(aReadBlockSize)) / 
  1.1218 +					TReal(endTime.MicroSecondsFrom(startTime).Int64()) * TReal(KOneMeg) / TReal(KOneK);
  1.1219 +				test.Printf(_L("Read %5d byte blocks:\t%11.3f KBytes/s\n"), aReadBlockSize,transferRate);
  1.1220 +
  1.1221 +				timer.Close();
  1.1222 +				file.Close();
  1.1223 +
  1.1224 +				return;
  1.1225 +				}
  1.1226 +			}
  1.1227 +		loopCount++;
  1.1228 +		}
  1.1229 +	}
  1.1230 +
  1.1231 +LOCAL_C void DoTestFileWrite(TUint aFileMode, TInt aWriteBlockSize)
  1.1232 +//
  1.1233 +// Do Write benchmark
  1.1234 +//
  1.1235 +	{
  1.1236 +	DataBuf.SetLength(aWriteBlockSize);
  1.1237 +	TInt maxWriteCount=KMaxFileSize/aWriteBlockSize;
  1.1238 +	TInt loopCount=0;
  1.1239 +
  1.1240 +	RFile file;
  1.1241 +	TInt r = file.Replace(TheFs,_L("WRITETST"),EFileStream | aFileMode);
  1.1242 +	test (r == KErrNone);
  1.1243 +
  1.1244 +	TTime startTime;
  1.1245 +	TTime endTime;
  1.1246 +
  1.1247 +	RTimer timer;
  1.1248 +	timer.CreateLocal();
  1.1249 +	TRequestStatus reqStat;
  1.1250 +	timer.After(reqStat,10000000); // After 10 secs
  1.1251 +	startTime.HomeTime();
  1.1252 +
  1.1253 +	
  1.1254 +
  1.1255 +	FOREVER
  1.1256 +		{
  1.1257 +		TInt pos=0;
  1.1258 +		file.Seek(ESeekStart,pos);
  1.1259 +		for(TInt ii=0;ii<maxWriteCount;ii++)
  1.1260 +			{
  1.1261 +			r = file.Write(DataBuf);
  1.1262 +			test_KErrNone(r);
  1.1263 +			if (reqStat!=KRequestPending)
  1.1264 +				{
  1.1265 +				
  1.1266 +//				TReal rate = (TReal32(functionCalls) * TReal32(aWriteBlockSize)) / 10;
  1.1267 +//				test.Printf(_L("Write %5d byte blocks:\t%11.3f KBytes/s\n"), aWriteBlockSize, rate / (KOneK));
  1.1268 +
  1.1269 +				r = file.Flush();
  1.1270 +				test_KErrNone(r);
  1.1271 +
  1.1272 +				endTime.HomeTime();
  1.1273 +
  1.1274 +				TInt functionCalls=loopCount*maxWriteCount+ii;
  1.1275 +				TReal transferRate = 
  1.1276 +					(TReal32(functionCalls) * TReal32(aWriteBlockSize)) / 
  1.1277 +					TReal(endTime.MicroSecondsFrom(startTime).Int64()) * TReal(KOneMeg) / TReal(KOneK);
  1.1278 +				test.Printf(_L("Write %5d byte blocks:\t%11.3f KBytes/s\n"), aWriteBlockSize,transferRate);
  1.1279 +
  1.1280 +				file.Close();
  1.1281 +				timer.Close();
  1.1282 +				TInt r=TheFs.Delete(_L("WRITETST"));
  1.1283 +				test_KErrNone(r);
  1.1284 +				return;
  1.1285 +				}
  1.1286 +			}
  1.1287 +		loopCount++;
  1.1288 +		}
  1.1289 +	}
  1.1290 +
  1.1291 +LOCAL_C void TestFileRead(TUint aFileMode)
  1.1292 +//
  1.1293 +// Benchmark read method
  1.1294 +//
  1.1295 +	{
  1.1296 +
  1.1297 +//	ClearSessionDirectory();
  1.1298 +	test.Next(_L("Benchmark read method"));
  1.1299 +//	test.Printf(_L("aFileMode %08X\n"), aFileMode);
  1.1300 +	PrintFileMode(aFileMode);
  1.1301 +
  1.1302 +// Create test data
  1.1303 +	TBuf8<1024> testdata(1024);
  1.1304 +	for (TInt i=0;i<testdata.MaxSize();i++)
  1.1305 +		testdata[i]=TText8(i%256);		
  1.1306 +	
  1.1307 +	// create & fill the file
  1.1308 +	RFile file;
  1.1309 +	TInt r=file.Replace(TheFs,_L("READTEST.XXX"),EFileStream | aFileMode);
  1.1310 +	test_KErrNone(r);
  1.1311 +
  1.1312 +	test.Printf(_L("Creating test file....."));
  1.1313 +	TInt count=KMaxFileSize/testdata.Length();
  1.1314 +	while (count--)
  1.1315 +		file.Write(testdata);
  1.1316 +	file.Close();
  1.1317 +	test.Printf(_L("done.\n"));
  1.1318 +
  1.1319 +#ifdef SYMBIAN_TEST_EXTENDED_BUFFER_SIZES
  1.1320 +
  1.1321 +	DoTestFileRead(aFileMode, 1);
  1.1322 +	DoTestFileRead(aFileMode, 2);
  1.1323 +	DoTestFileRead(aFileMode, 4);
  1.1324 +	DoTestFileRead(aFileMode, 8);
  1.1325 +	DoTestFileRead(aFileMode, 16);
  1.1326 +	DoTestFileRead(aFileMode, 32);
  1.1327 +	DoTestFileRead(aFileMode, 64);
  1.1328 +	DoTestFileRead(aFileMode, 128);
  1.1329 +	DoTestFileRead(aFileMode, 256);
  1.1330 +	DoTestFileRead(aFileMode, 512);
  1.1331 +	DoTestFileRead(aFileMode, 1024);
  1.1332 +	DoTestFileRead(aFileMode, 2048);
  1.1333 +	DoTestFileRead(aFileMode, 4096);
  1.1334 +	DoTestFileRead(aFileMode, 8192);
  1.1335 +	DoTestFileRead(aFileMode, 16384);
  1.1336 +	DoTestFileRead(aFileMode, 32768);
  1.1337 +	DoTestFileRead(aFileMode, 65536);
  1.1338 +	DoTestFileRead(aFileMode, 131072);
  1.1339 +#else
  1.1340 +//TheFs.SetDebugRegister(KCACHE);
  1.1341 +	DoTestFileRead(aFileMode, 1);
  1.1342 +	DoTestFileRead(aFileMode, 16);
  1.1343 +	DoTestFileRead(aFileMode, 512);
  1.1344 +//TheFs.SetDebugRegister(0);
  1.1345 +	DoTestFileRead(aFileMode, 4 * 1024);
  1.1346 +	DoTestFileRead(aFileMode, 32 * 1024);
  1.1347 +	DoTestFileRead(aFileMode, 64 * 1024);
  1.1348 +	DoTestFileRead(aFileMode, 128 * 1024);
  1.1349 +	DoTestFileRead(aFileMode, 256 * 1024);
  1.1350 +#endif
  1.1351 +
  1.1352 +	r=TheFs.Delete(_L("READTEST.XXX"));
  1.1353 +
  1.1354 +
  1.1355 +
  1.1356 +	test_KErrNone(r);
  1.1357 +	}
  1.1358 +
  1.1359 +
  1.1360 +LOCAL_C void TestFileWrite(TUint aFileMode)
  1.1361 +//
  1.1362 +// Benchmark write method
  1.1363 +//
  1.1364 +	{
  1.1365 +//	ClearSessionDirectory();
  1.1366 +	test.Next(_L("Benchmark write method"));
  1.1367 +//	test.Printf(_L("aFileMode %08X\n"), aFileMode);
  1.1368 +	PrintFileMode(aFileMode);
  1.1369 +
  1.1370 +	
  1.1371 +//	RFile file;
  1.1372 +//	TInt r = file.Replace(TheFs,_L("WRITETST"),EFileStream | aFileMode);
  1.1373 +//	test_KErrNone(r);
  1.1374 +
  1.1375 +
  1.1376 +#ifdef SYMBIAN_TEST_EXTENDED_BUFFER_SIZES
  1.1377 +	DoTestFileWrite(aFileMode, 1);
  1.1378 +	DoTestFileWrite(aFileMode, 2);
  1.1379 +	DoTestFileWrite(aFileMode, 4);
  1.1380 +	DoTestFileWrite(aFileMode, 8);
  1.1381 +	DoTestFileWrite(aFileMode, 16);
  1.1382 +	DoTestFileWrite(aFileMode, 32);
  1.1383 +	DoTestFileWrite(aFileMode, 64);
  1.1384 +	DoTestFileWrite(aFileMode, 128);
  1.1385 +	DoTestFileWrite(aFileMode, 256);
  1.1386 +	DoTestFileWrite(aFileMode, 512);
  1.1387 +	DoTestFileWrite(aFileMode, 1024);
  1.1388 +	DoTestFileWrite(aFileMode, 2048);
  1.1389 +	DoTestFileWrite(aFileMode, 4096);
  1.1390 +	DoTestFileWrite(aFileMode, 8192);
  1.1391 +	DoTestFileWrite(aFileMode, 16384);
  1.1392 +	DoTestFileWrite(aFileMode, 32768);
  1.1393 +	DoTestFileWrite(aFileMode, 65536);
  1.1394 +	DoTestFileWrite(aFileMode, 131072);
  1.1395 +#else
  1.1396 +	DoTestFileWrite(aFileMode, 1);
  1.1397 +	DoTestFileWrite(aFileMode, 16);
  1.1398 +	DoTestFileWrite(aFileMode, 512);
  1.1399 +	DoTestFileWrite(aFileMode, 4 * 1024);
  1.1400 +	DoTestFileWrite(aFileMode, 32 * 1024);
  1.1401 +	DoTestFileWrite(aFileMode, 64 * 1024);
  1.1402 +	DoTestFileWrite(aFileMode, 128 * 1024);
  1.1403 +	DoTestFileWrite(aFileMode, 256 * 1024);
  1.1404 +#endif
  1.1405 +	}
  1.1406 +
  1.1407 +enum CommandId {
  1.1408 +    CMD_NO_COMMAND,
  1.1409 +    CMD_HELP,
  1.1410 +	CMD_DISPLAY_CACHE_FLAGS,
  1.1411 +	CMD_WRITE_CACHE_FLAGS,
  1.1412 +	CMD_PERFORMANCE_TEST,
  1.1413 +	CMD_MANUAL_TEST
  1.1414 +};
  1.1415 +
  1.1416 +
  1.1417 +class CommandLineOption { 
  1.1418 +public:
  1.1419 +    CommandLineOption(const TPtrC &s, CommandId i) : str(s), id(i) { }
  1.1420 +    
  1.1421 +    const TPtrC str;
  1.1422 +    CommandId   id;
  1.1423 +    
  1.1424 +private:
  1.1425 +    CommandLineOption() { }
  1.1426 +};
  1.1427 +
  1.1428 +// Lists of command line options
  1.1429 +static const CommandLineOption commandList[] = {
  1.1430 +    CommandLineOption(_L("-help"), CMD_HELP),
  1.1431 +    CommandLineOption(_L("-h"), CMD_HELP),
  1.1432 +    CommandLineOption(_L("-?"), CMD_HELP),
  1.1433 +    CommandLineOption(_L("/?"), CMD_HELP),
  1.1434 +    CommandLineOption(_L("-d"), CMD_DISPLAY_CACHE_FLAGS),
  1.1435 +    CommandLineOption(_L("-w"), CMD_WRITE_CACHE_FLAGS),
  1.1436 +    CommandLineOption(_L("-p"), CMD_PERFORMANCE_TEST),
  1.1437 +    CommandLineOption(_L("-m"), CMD_MANUAL_TEST),
  1.1438 +};
  1.1439 +
  1.1440 +
  1.1441 +
  1.1442 +LOCAL_C void printHelp() {
  1.1443 +    test.Printf(_L("Option          Explanation\r\n"));
  1.1444 +    test.Printf(_L("-help           Print this text\r\n"));
  1.1445 +    test.Printf(_L("-d				Display cache flags\n"));
  1.1446 +    test.Printf(_L("-p				Performance test\n"));
  1.1447 +}
  1.1448 +
  1.1449 +
  1.1450 +
  1.1451 +/////////////////////////////////////////////////////////////////////////////
  1.1452 +// Function: 
  1.1453 +//		bool parseCommandLine()
  1.1454 +//
  1.1455 +// Parameters:
  1.1456 +//		-
  1.1457 +//
  1.1458 +// Return value:
  1.1459 +//		true if command line options was correct, false if any command was
  1.1460 +//      invalid
  1.1461 +//
  1.1462 +// Purpose:
  1.1463 +//		Parses the command line
  1.1464 +//
  1.1465 +/////////////////////////////////////////////////////////////////////////////
  1.1466 +
  1.1467 +//TBuf<512> commandLine;
  1.1468 +
  1.1469 +
  1.1470 +LOCAL_C bool ParseCommandLine( const TDesC& aCommand )
  1.1471 +	{
  1.1472 +    TLex lex(aCommand);
  1.1473 +    TInt tokenCount = 0;
  1.1474 +
  1.1475 +	gDriveToTest='C';		
  1.1476 +	gRunTests = ETrue;
  1.1477 +
  1.1478 +    for (TPtrC token=lex.NextToken(); token.Length() != 0;token.Set(lex.NextToken()))
  1.1479 +		{
  1.1480 +        tokenCount++;
  1.1481 +
  1.1482 +        //
  1.1483 +        // Search the list of commands for a match.
  1.1484 +        //
  1.1485 +        CommandId commandId = CMD_NO_COMMAND;
  1.1486 +        for (TUint i = 0; i < sizeof commandList / sizeof commandList[0]; i++) 
  1.1487 +			{
  1.1488 +            if (token.CompareF(commandList[i].str) == 0) 
  1.1489 +				{
  1.1490 +                //
  1.1491 +                // Found a matching string
  1.1492 +                //
  1.1493 +                commandId = commandList[i].id;
  1.1494 +                break;
  1.1495 +				}
  1.1496 +			}
  1.1497 +
  1.1498 +        switch (commandId) 
  1.1499 +			{
  1.1500 +			case CMD_NO_COMMAND:
  1.1501 +				{
  1.1502 +				TFileName thisfile=RProcess().FileName();
  1.1503 +				if (token.MatchF(thisfile)==0)
  1.1504 +					{
  1.1505 +					token.Set(lex.NextToken());
  1.1506 +					}
  1.1507 +				test.Printf(_L("CLP=%S\n"),&token);
  1.1508 +
  1.1509 +				TChar ch = token[0];
  1.1510 +				if (ch.IsAlpha())
  1.1511 +					{
  1.1512 +					if(token.Length()!=0)		
  1.1513 +						{
  1.1514 +						gDriveToTest=token[0];
  1.1515 +						gDriveToTest.UpperCase();
  1.1516 +						}
  1.1517 +					else						
  1.1518 +						gDriveToTest='C';		
  1.1519 +					lex.NextToken();
  1.1520 +					}
  1.1521 +				}
  1.1522 +				break;
  1.1523 +
  1.1524 +			case CMD_HELP:
  1.1525 +				printHelp();
  1.1526 +				gRunTests = EFalse;
  1.1527 +				break;
  1.1528 +
  1.1529 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1530 +			case CMD_WRITE_CACHE_FLAGS:
  1.1531 +				{         
  1.1532 +					token.Set(lex.NextToken());
  1.1533 +					if (token.Length() == 0) {
  1.1534 +						printHelp();
  1.1535 +						return false;
  1.1536 +					}
  1.1537 +					//
  1.1538 +					// Extract flags (in hex) from next token.
  1.1539 +					//
  1.1540 +					TPtrC numStr(token);
  1.1541 +					TUint val;
  1.1542 +					TInt r = TLex(numStr).Val(val, EHex);
  1.1543 +					if (r != KErrNone) {
  1.1544 +						printHelp();
  1.1545 +						return false;
  1.1546 +					}
  1.1547 +					gDriveCacheFlags = TFileCacheFlags(val);
  1.1548 +					gWriteCacheFlags = ETrue;
  1.1549 +					gRunTests = EFalse;
  1.1550 +					break;
  1.1551 +				}
  1.1552 +
  1.1553 +			case CMD_DISPLAY_CACHE_FLAGS:
  1.1554 +				gDisplayCacheFlags = ETrue;
  1.1555 +				gRunTests = EFalse;
  1.1556 +				break;
  1.1557 +#endif
  1.1558 +			case CMD_PERFORMANCE_TEST:
  1.1559 +				gRunPerformanceTests = ETrue;
  1.1560 +				gRunUnitTests = EFalse;
  1.1561 +				break;
  1.1562 +
  1.1563 +			case CMD_MANUAL_TEST:
  1.1564 +				gRunManualTests = ETrue;
  1.1565 +				gRunUnitTests = EFalse;
  1.1566 +				break;
  1.1567 +
  1.1568 +			default:
  1.1569 +				test.Printf(_L("Sorry, command option '%S' not implemented\n"),
  1.1570 +					&token);
  1.1571 +				break;
  1.1572 +			}
  1.1573 +
  1.1574 +		}
  1.1575 +    return true;
  1.1576 +}
  1.1577 +
  1.1578 +
  1.1579 +LOCAL_C TBool parseCommandLine() {
  1.1580 +    //
  1.1581 +    // Loop through all tokens in the command line
  1.1582 +    //
  1.1583 +	TInt cmdLineLen = User::CommandLineLength();
  1.1584 +	HBufC* cmdLineBuf = HBufC::New( cmdLineLen );
  1.1585 +    if( !cmdLineBuf )
  1.1586 +		{
  1.1587 +		return false;
  1.1588 +		}
  1.1589 +	TPtr ptr = cmdLineBuf->Des();
  1.1590 +	User::CommandLine(ptr);
  1.1591 +
  1.1592 +	bool err = ParseCommandLine( *cmdLineBuf );
  1.1593 +	delete cmdLineBuf;
  1.1594 +	return err;
  1.1595 +	}
  1.1596 +
  1.1597 +GLDEF_C void CallTestsL()
  1.1598 +//
  1.1599 +// Do tests relative to the session path
  1.1600 +//
  1.1601 +	{
  1.1602 +	TestsInit();
  1.1603 +
  1.1604 +	TVolumeInfo volInfo;
  1.1605 +	TInt r = TheFs.Volume(volInfo, gDrive);
  1.1606 +	test (r == KErrNone);
  1.1607 +
  1.1608 +	TFullName extName;
  1.1609 +	r = TheFs.ExtensionName(extName,gDrive, 0);
  1.1610 +	if (r == KErrNone)
  1.1611 +		{
  1.1612 +		test.Printf(_L("File system extension present (%S)\n"), &extName);
  1.1613 +		}
  1.1614 +
  1.1615 +	if ((volInfo.iDrive.iType == EMediaRam) ||
  1.1616 +		((gDriveCacheFlags & (EFileCacheReadEnabled | EFileCacheReadOn)) == 0))
  1.1617 +		{
  1.1618 +		if (gRunPerformanceTests)
  1.1619 +			{
  1.1620 +			TestFileRead(EFileReadDirectIO);
  1.1621 +			TestFileWrite(EFileWriteDirectIO);
  1.1622 +			}
  1.1623 +		TestsEnd();
  1.1624 +		return;
  1.1625 +		}
  1.1626 +
  1.1627 +	if (gRunUnitTests)
  1.1628 +		UnitTests();
  1.1629 +
  1.1630 +	if (gRunManualTests)
  1.1631 +		{		
  1.1632 +		ManualTests();
  1.1633 +		}
  1.1634 +
  1.1635 +	if (gRunPerformanceTests)
  1.1636 +		{
  1.1637 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1638 +		// turn OFF lock failure mode
  1.1639 +		TBool simulatelockFailureMode = EFalse;
  1.1640 +		r = controlIo(TheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
  1.1641 +		test (r == KErrNone);
  1.1642 +#endif
  1.1643 +
  1.1644 +		TestFileRead(EFileReadDirectIO);
  1.1645 +		if (gDriveCacheFlags & (EFileCacheReadEnabled | EFileCacheReadOn))
  1.1646 +			{
  1.1647 +			TestFileRead(EFileReadBuffered | EFileReadAheadOff);
  1.1648 +			TestFileRead(EFileReadBuffered | EFileReadAheadOn);
  1.1649 +			}
  1.1650 +
  1.1651 +		TestFileWrite(EFileWriteDirectIO);
  1.1652 +
  1.1653 +		if (gDriveCacheFlags & (EFileCacheWriteEnabled | EFileCacheWriteOn))
  1.1654 +			TestFileWrite(EFileWriteBuffered);
  1.1655 +
  1.1656 +
  1.1657 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1658 +		// turn lock failure mode back ON (if enabled)
  1.1659 +		simulatelockFailureMode = ETrue;
  1.1660 +		r = controlIo(TheFs, gDrive, KControlIoSimulateLockFailureMode, simulatelockFailureMode);
  1.1661 +		test (r == KErrNone);
  1.1662 +#endif
  1.1663 +		}	// if (gRunPerformanceTests)
  1.1664 +
  1.1665 +	TestsEnd();
  1.1666 +	}
  1.1667 +
  1.1668 +
  1.1669 +
  1.1670 +LOCAL_C void DoTests(TInt aDrive)
  1.1671 +//
  1.1672 +// Do testing on aDrive
  1.1673 +//
  1.1674 +	{
  1.1675 +
  1.1676 +	SetSessionPath(aDrive);
  1.1677 +
  1.1678 +// !!! Disable platform security tests until we get the new APIs
  1.1679 +//	if(User::Capability() & KCapabilityRoot)
  1.1680 +//		CheckMountLFFS(TheFs,driveLetter);
  1.1681 +	
  1.1682 +	User::After(1000000);
  1.1683 +
  1.1684 +	TInt r=TheFs.MkDirAll(gSessionPath);
  1.1685 +	test_Value(r, r == KErrNone || r == KErrAlreadyExists);
  1.1686 +	TheFs.ResourceCountMarkStart();
  1.1687 +
  1.1688 +	TRAP(r,CallTestsL());
  1.1689 +	test_KErrNone(r);
  1.1690 +
  1.1691 +	TheFs.ResourceCountMarkEnd();
  1.1692 +	}
  1.1693 +
  1.1694 +
  1.1695 +void Format(TInt aDrive)
  1.1696 +//
  1.1697 +// Format current drive
  1.1698 +//
  1.1699 +	{
  1.1700 +
  1.1701 +	test.Next(_L("Format"));
  1.1702 +	TBuf<4> driveBuf=_L("?:\\");
  1.1703 +	driveBuf[0]=(TText)(aDrive+'A');
  1.1704 +	RFormat format;
  1.1705 +	TInt count;
  1.1706 +	TInt r=format.Open(TheFs,driveBuf,EQuickFormat,count);
  1.1707 +	//TInt r=format.Open(TheFs,driveBuf,EFullFormat,count);
  1.1708 +	test.Printf(_L("RFormat::Open() returned %d\n"), r);
  1.1709 +	test_KErrNone(r);
  1.1710 +	while(count)
  1.1711 +		{
  1.1712 +		TInt r=format.Next(count);
  1.1713 +		test_KErrNone(r);
  1.1714 +		}
  1.1715 +	format.Close();
  1.1716 +	}
  1.1717 +
  1.1718 +GLDEF_C TInt E32Main()
  1.1719 +//
  1.1720 +// Test with drive nearly full
  1.1721 +//
  1.1722 +	{
  1.1723 +
  1.1724 +	CTrapCleanup* cleanup;
  1.1725 +	cleanup=CTrapCleanup::New();
  1.1726 +
  1.1727 +	__UHEAP_MARK;
  1.1728 +
  1.1729 +	TBool parseOk = parseCommandLine();
  1.1730 +	if (!parseOk)
  1.1731 +		User::Leave(KErrNotSupported);
  1.1732 +
  1.1733 +
  1.1734 +	TInt r = TheFs.Connect();
  1.1735 +	test_KErrNone(r);
  1.1736 +
  1.1737 +	r=TheFs.CharToDrive(gDriveToTest,gDrive);
  1.1738 +	test_KErrNone(r);
  1.1739 +
  1.1740 +#if !defined(__WINS__)
  1.1741 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1742 +	test.Start(_L("Check that the rom is paged"));
  1.1743 +	TRomHeader* romHeader = (TRomHeader*)UserSvr::RomHeaderAddress();
  1.1744 +	if (romHeader->iPageableRomStart != NULL)
  1.1745 +		{
  1.1746 +		test.Printf(_L("ROM is paged\n"));
  1.1747 +		gRomPaged = ETrue;
  1.1748 +		}
  1.1749 +#endif
  1.1750 +#endif
  1.1751 +
  1.1752 +	// Get the TFileCacheFlags for this drive
  1.1753 +	r = TheFs.Volume(gVolInfo, gDrive);
  1.1754 +	if (r == KErrNotReady)
  1.1755 +		{
  1.1756 +		TDriveInfo info;
  1.1757 +		TInt err = TheFs.Drive(info,gDrive);
  1.1758 +		test_KErrNone(err);
  1.1759 +		if (info.iType == EMediaNotPresent)
  1.1760 +			test.Printf(_L("%c: Medium not present - cannot perform test.\n"), (TUint)gDriveToTest);
  1.1761 +		else
  1.1762 +			test.Printf(_L("medium found (type %d) but drive %c: not ready\nPrevious test may have hung; else, check hardware.\n"), (TInt)info.iType, (TUint)gDriveToTest);
  1.1763 +		}
  1.1764 +	else if (r == KErrCorrupt)
  1.1765 +		{
  1.1766 +		test.Printf(_L("%c: Media corruption; previous test may have aborted; else, check hardware\n"), (TUint)gDriveToTest);
  1.1767 +		}
  1.1768 +	test_KErrNone(r);
  1.1769 +	gDriveCacheFlags = gVolInfo.iFileCacheFlags;
  1.1770 +	test.Printf(_L("DriveCacheFlags for drive %C = %08X\n"), (TInt) gDriveToTest, gDriveCacheFlags);
  1.1771 +
  1.1772 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1773 +	PrintFileCacheConfig(gFileCacheConfig, gDrive);
  1.1774 +	
  1.1775 +	if (gDisplayCacheFlags)
  1.1776 +		{
  1.1777 +		test.Printf(_L("Press any key...\n"));
  1.1778 +		test.Getch();
  1.1779 +		}
  1.1780 +
  1.1781 +	if (gWriteCacheFlags)
  1.1782 +		{
  1.1783 +		test.Printf(_L("Writing DriveCacheFlags for drive %C = %08X\n"), (TInt) gDriveToTest, gDriveCacheFlags);
  1.1784 +		r = controlIo(TheFs,gDrive, KControlIoFileCacheFlagsWrite, gDriveCacheFlags);
  1.1785 +		test (r == KErrNone);
  1.1786 +		}
  1.1787 +#endif
  1.1788 +
  1.1789 +	if (gRunTests)
  1.1790 +		{
  1.1791 +		test.Title();
  1.1792 +
  1.1793 +
  1.1794 +		test.Start(_L("Starting tests..."));
  1.1795 +
  1.1796 +		if ((gVolInfo.iDrive.iMediaAtt & KMediaAttFormattable))
  1.1797 +			Format(gDrive);
  1.1798 +
  1.1799 +//TheFs.SetDebugRegister(KCACHE);
  1.1800 +			DoTests(gDrive);
  1.1801 +//TheFs.SetDebugRegister(0);
  1.1802 +			test.End();
  1.1803 +//			}
  1.1804 +		}
  1.1805 +
  1.1806 +#if defined(_DEBUG) || defined(_DEBUG_RELEASE)
  1.1807 +	TFileCacheStats fileCacheStats;
  1.1808 +	PrintFileCacheStats(fileCacheStats);
  1.1809 +#endif
  1.1810 +
  1.1811 +	TheFs.Close();
  1.1812 +	test.Close();
  1.1813 +	__UHEAP_MARKEND;
  1.1814 +	delete cleanup;
  1.1815 +	return(KErrNone);
  1.1816 +    }