diff -r 000000000000 -r 96e5fb8b040d kerneltest/f32test/server/b_open.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/f32test/server/b_open.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,361 @@
+// 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\b_open.cpp
+// 
+//
+
+#define __E32TEST_EXTENSION__
+
+#include <f32file.h>
+#include <e32test.h>
+#include <e32hal.h>
+#include <f32dbg.h>
+#include "t_server.h"
+#include "t_chlffs.h"
+
+#ifdef __WINS__
+#define WIN32_LEAN_AND_MEAN
+#pragma warning( disable : 4201 ) // nonstandard extension used : nameless struct/union
+#include <windows.h>
+#pragma warning( default : 4201 ) // nonstandard extension used : nameless struct/union
+#endif
+
+GLDEF_D RTest test(_L("B_OPEN"));
+
+LOCAL_D const TInt KMaxFiles=200;
+LOCAL_D TBuf<32> nameBuf[KMaxFiles];
+LOCAL_D TBuf<0x100> nameBuf1;
+LOCAL_D RFile chan[KMaxFiles];
+LOCAL_D RFile chan1;
+LOCAL_D TFileName fBuf;
+LOCAL_D TVolumeInfo vInfo;
+LOCAL_D TInt LeaveMemFree;
+
+LOCAL_C void testOpenFiles()
+//
+// Open files till memory is full
+// Write, seek, read, seteof, close, check and delete all files.
+//
+    {
+	
+	TChar currentDrive=gSessionPath[0];
+	TInt driveNum;
+	TInt r=TheFs.CharToDrive(currentDrive,driveNum);
+	test_KErrNone(r);
+
+    TInt i=0;
+	TInt totalRam;
+    FOREVER
+        {
+
+#if defined(__WINS__)
+		DWORD sectorsPerCluster;
+		DWORD bytesPerSector;
+		DWORD freeClusters;
+		DWORD sizeClusters;
+		BOOL b=GetDiskFreeSpaceA("C:\\",&sectorsPerCluster,&bytesPerSector,&freeClusters,&sizeClusters);
+		test(b==TRUE);
+		totalRam=sizeClusters*sectorsPerCluster*bytesPerSector;
+#else
+		TMemoryInfoV1Buf memInfoBuf;
+		UserHal::MemoryInfo(memInfoBuf);
+		totalRam=memInfoBuf().iTotalRamInBytes;
+#endif
+        test.Printf(_L("Open %u\n"),i);
+        nameBuf[i].Format(_L("B_OPEN test file %d"),i);
+		r=chan[i].Replace(TheFs,nameBuf[i],EFileStream|EFileWrite);
+		if (r==KErrNone)
+			{
+			r=chan[i].Write(_L8("SomeText"));
+			if ((gDriveCacheFlags & EFileCacheWriteOn) && (r == KErrNone))
+				r = chan[i].Flush();
+			if (r==KErrDiskFull)
+				{
+				chan[i].Close();
+				test(TheFs.Delete(nameBuf[i])==KErrNone);
+				}
+			}
+		if (r==KErrDiskFull)
+			break;
+		if (r==KErrNoMemory)
+			break;
+		if (r!=KErrNone)
+			{
+			test.Printf(_L("ERROR: RFile::Replace returned %d\n"),r);
+			test(EFalse);
+			}
+
+        r=TheFs.Volume(vInfo);
+		test_KErrNone(r);
+		if (driveNum==EDriveC)
+	        test.Printf(_L("VInfo size=0x%x free=0x%x TotalRam = 0x%x\n"),vInfo.iSize,vInfo.iFree,totalRam);
+        test(vInfo.iFree<=vInfo.iSize);
+
+//      r=TheFs.Volume(vInfo,(driveNum==EDriveC) ? EDriveD : EDriveC);
+//		if (r==KErrNone);
+//		test(vInfo.iFree<=vInfo.iSize);
+	    i++;
+        if (i==KMaxFiles)
+            {
+            if (IsTestingLFFS())
+                break;
+            else
+                test.Panic(_L("Too many files opened"));
+            }
+        }
+
+	test.Printf(_L("Created %d extra files\n"),i);
+	const TInt n_files=i;
+	r=TheFs.Volume(vInfo);
+	test_KErrNone(r);
+	if (driveNum==EDriveC && (vInfo.iDrive.iMediaAtt & KMediaAttVariableSize))
+		{
+		test(vInfo.iSize<=totalRam);
+		test(vInfo.iFree<=totalRam);
+		}
+    test(vInfo.iFree<=vInfo.iSize);
+
+	test.Next(_L("SetSize to each file"));
+    for (i=0;i<n_files;i++)
+        {
+		r=chan[i].SetSize(0);
+		test_KErrNone(r);
+        }
+
+	test.Next(_L("Write to each file"));
+    TBuf8<3> numBuf;
+    for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Write %u\n"),i);
+		numBuf.Format(_L8("%d"),i);
+		r=chan[i].Write(0,numBuf);
+		test_KErrNone(r);
+        }
+
+	test.Next(_L("Seek on each file"));
+    for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Seeking %u\n"),i);
+        TInt pos=0;
+        r=chan[i].Seek(ESeekStart,pos);
+		test_KErrNone(r);
+        }
+
+	test.Next(_L("Read from each file"));
+    TBuf8<3> checkBuf;
+	for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Read %u\n"),i);
+        r=chan[i].Read(checkBuf,3);
+		test_KErrNone(r);
+		numBuf.Format(_L8("%d"),i);
+		test(numBuf==checkBuf);
+        }
+
+	test.Next(_L("Set size of each file"));
+    for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Set size %u\n"),i);
+        r=chan[i].SetSize(i);
+		test_KErrNone(r);
+        }
+
+    r=TheFs.Volume(vInfo);
+	test_KErrNone(r);
+	if (driveNum==EDriveC && (vInfo.iDrive.iMediaAtt & KMediaAttVariableSize))
+		{
+	    test(vInfo.iSize<=totalRam);
+		test(vInfo.iFree<=totalRam);
+		}
+    test(vInfo.iFree<=vInfo.iSize);
+
+	test.Next(_L("Close each file"));
+    for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Close %u\n"),i);
+        chan[i].Close();
+        }
+
+	test.Next(_L("Open each file"));
+
+	TInt n_files_open;
+    for (n_files_open=0; n_files_open < n_files; n_files_open++)
+        {
+        r = chan[n_files_open].Open(TheFs,nameBuf[n_files_open],EFileRead|EFileStream);
+		test.Printf(_L("Open(%d) ret %d\n"), n_files_open, r);
+		if (r != KErrNone)
+			{
+			if (driveNum==EDriveC && (vInfo.iDrive.iMediaAtt & KMediaAttVariableSize))
+				break;
+			else
+				test(0);
+			}
+        }
+
+	test.Next(_L("Check size of each file"));
+    for (i=0;i<n_files_open;i++)
+        {
+        test.Printf(_L("Check %u\n"),i);
+        TInt size;
+		TInt r=chan[i].Size(size);
+		test.Printf(_L("size of file %u is %d ret %d\n"),i,size, r);
+		test_KErrNone(r);
+		test_Equal(i,size);
+        }
+
+	test.Next(_L("Close each file"));
+    for (i=0;i<n_files_open;i++)
+        {
+        test.Printf(_L("Close %u\n"),i);
+        chan[i].Close();
+        }
+	
+	test.Next(_L("Delete files"));
+    for (i=0;i<n_files;i++)
+        {
+        test.Printf(_L("Delete %u\n"),i);
+        r=TheFs.Delete(nameBuf[i]);
+		test_KErrNone(r);
+        }
+    }
+
+
+
+LOCAL_C void InitTest()
+//
+// Create a large file
+//
+	{
+	TInt fileNumber = 0;
+	TBool fileSizeTruncated;
+
+	do
+		{
+		fileSizeTruncated = EFalse;
+		nameBuf1.Format(_L("\\Hooge Test File for B_OPEN %d"), fileNumber++);
+
+		TInt r=chan1.Replace(TheFs,nameBuf1,EFileStream|EFileWrite);
+		test_KErrNone(r);
+		r=TheFs.Volume(vInfo);
+		test_KErrNone(r);
+		TInt64 size;
+		LeaveMemFree = 0x400; // ???
+		if (vInfo.iFree>LeaveMemFree)
+			size=vInfo.iFree-LeaveMemFree;
+		else
+			size=0;
+
+		const TInt KMaxFileSize = 0x40000000;
+
+		// test as 64 bit numbers in case size is very large (eg. enough that TInt is
+		// not large enough to hold it)
+		TInt64 KMaxFileSize64 = MAKE_TINT64(0, KMaxFileSize);
+
+		test.Printf(_L("Free space available = %08x:%08x\n"), I64HIGH(size), I64LOW(size));
+		if (size > KMaxFileSize64)
+			{
+			size = KMaxFileSize;
+			test.Printf(_L("Truncated to %d to avoid current FAT FSY file size limit !!!\n"), size);
+			fileSizeTruncated = ETrue;
+			}
+
+		TFileName sessionPath;
+		TheFs.SessionPath(sessionPath);
+		TBuf<32> message=_L("?: has %ld bytes free\n");
+		message[0]=sessionPath[0];
+		test.Printf(message,vInfo.iFree);
+		if (((vInfo.iDrive.iMediaAtt)&KMediaAttVariableSize)==0)
+			{
+			// Not a variable sized drive, so should be safe to to just create big file
+			test.Printf(_L("Creating %S, 0x%08lx\n"),&nameBuf1,size);
+			r=chan1.SetSize((TUint)size);
+			}
+		else
+			{
+			// Variable sized drive (proabably RAM drive) needs a bit of special treatment
+			// Use a binary search to allocate largest sized file possible...
+			test.Printf(_L("Creating %S, 0x%08x\n"),&nameBuf1,size);
+			TInt lo = 0;
+			TInt hi = (TInt)size;
+			const TInt KSizeGranularity = 0x200; // must be power-of-2
+			while(hi-lo>KSizeGranularity && r==KErrNone)
+				{
+				TInt trySize = (lo+hi)/2;
+				trySize &= ~(KSizeGranularity-1);
+				r = chan1.SetSize((TUint)trySize);
+				if(r==KErrNone)
+					{
+					size = trySize;
+					lo = trySize;
+					}
+				else if(r==KErrDiskFull)
+					{
+					hi = trySize;
+					r = KErrNone;
+					}
+				}
+			if(r==KErrNone)
+				{
+				// reduce size to leave some free for tests...
+				LeaveMemFree = 4096*4; // best leave several RAM pages worth of space so rest of test has some memory
+				size -= LeaveMemFree;
+				r = chan1.SetSize((TUint)size);
+				}
+			}
+
+		if (r!=KErrNone)
+			{
+			test.Printf(_L("ERROR: Creating large file failed %d\n"),r);
+			test(EFalse);
+			}
+		test.Printf(_L("Created %S, 0x%08x\n"),&nameBuf1,size);
+		chan1.Close();
+		}
+	while (fileSizeTruncated);
+
+	}
+
+LOCAL_C void Cleanup()
+//
+// Cleanup test files
+//
+	{
+
+	TInt r=TheFs.Delete(nameBuf1);
+	test_KErrNone(r);
+	r=TheFs.RmDir(gSessionPath);
+	test_KErrNone(r);
+	}
+
+
+GLDEF_C void CallTestsL()
+//
+// Call tests that may leave
+//
+	{
+
+#ifdef __WINS__
+// These tests try to create a huge file to fill up the drive.
+// This fails on WINS with drives with > 1/2G free because
+// RFile::SetSize() (among other things) only takes a TInt.
+//
+	if (gSessionPath.Left(1).CompareF(_L("C")) == 0)
+		return;
+#endif
+	CreateTestDirectory(_L("\\B_OPEN\\"));
+	InitTest();
+	testOpenFiles();
+	Cleanup();
+	}
+