--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/misc/t_unzip.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,171 @@
+// Copyright (c) 1998-2009 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:
+// e32test\misc\t_unzip.cpp
+// 
+//
+
+#include <e32test.h>
+#include <f32file.h>
+#include "unzip.h"
+
+RTest test(_L("T_UNZIP"));
+
+RFile TheInputFile;
+TUint8* OutPtr;
+
+GLDEF_C void AcceptUnzippedBlock(TZipInfo& /*aInfo*/, TUint8*& aOutPtr, TInt aError)
+	{
+	if (aError==KErrNone)
+		OutPtr=aOutPtr;
+	}
+
+GLDEF_C TInt ReadInputData(TUint8* aDest, TInt& aLength)
+	{
+	TPtr8 ptr(aDest,0,aLength);
+	return TheInputFile.Read(ptr);
+	}
+
+GLDEF_C TInt UnzipComplete(TZipInfo& /*a*/, TUint8* /*aOutPtr*/, TInt /*aError*/)
+	{
+	return KErrNone;
+	}
+
+_LIT(KLitThreadName,"Unzip");
+TInt Initialise(TZipInfo& a)
+	{
+	TInt r=InitInfo(a);
+	if (r!=KErrNone)
+		return r;
+	a.iFileBufSize=4*a.iInBufSize;
+	TAny* pFileBuf=MALLOC(a.iFileBufSize);
+	if (!pFileBuf)
+		return KErrNoMemory;
+	a.iFileBuf=(TUint8*)pFileBuf;
+	RThread t;
+	r=t.Create(KLitThreadName,UnzipThread,0x2000,NULL,&a);
+	if (r!=KErrNone)
+		{
+		FREE(pFileBuf);
+		a.iFileBuf=NULL;
+		return r;
+		}
+	t.SetPriority(EPriorityLess);
+	t.Logon(a.iThreadStatus);
+	t.Resume();
+	a.iThreadHandle=t.Handle();
+	return KErrNone;
+	}
+
+void ProcessHeader(TZipInfo& a)
+	{
+	test.Printf(_L("Flags=%d\n"),a.iFlags);
+	test.Printf(_L("Method=%d\n"),a.iMethod);
+	test.Printf(_L("Crc=%d\n"),a.iCrc);
+	test.Printf(_L("Compressed size=%d\n"),a.iCompressedSize);
+	test.Printf(_L("Uncompressed size=%d\n"),a.iUncompressedSize);
+	test.Printf(_L("File name %S\n"),&a.iName);
+	test.Printf(_L("Data offset %d\n\n"),a.iDataOffset);
+
+	test.Next(_L("Allocate memory for unzipped file"));
+	a.iOutBuf=(TUint8*)User::Alloc(a.iUncompressedSize);
+	test(a.iOutBuf!=NULL);
+	test.Next(_L("Begin unzipping"));
+	a.iHeaderDone=2;
+	TRequestStatus* pS=&a.iProcessedHeader;
+	RThread t;
+	t.SetHandle(a.iThreadHandle);
+	t.RequestComplete(pS,0);
+	}
+
+void Cleanup(TZipInfo& a)
+	{
+	delete a.iFileBuf;
+	a.iFileBuf=NULL;
+	delete a.iOutBuf;
+	a.iOutBuf=NULL;
+	RThread& t=*(RThread*)&a.iThreadHandle;
+	t.Close();
+	}
+
+GLDEF_C TInt E32Main()
+	{
+	test.Title();
+	TFileName inputFileName;
+	User::CommandLine(inputFileName);
+	test.Start(_L("Connect to file server"));
+	RFs fs;
+	TInt r=fs.Connect();
+	test(r==KErrNone);
+	test.Printf(_L("Open file %S\n"),&inputFileName);
+	r=TheInputFile.Open(fs,inputFileName,EFileRead);
+	test(r==KErrNone);
+	TZipInfo z;
+	r=TheInputFile.Size(z.iRemain);
+	test(r==KErrNone);
+	test.Printf(_L("File size %d\n"),z.iRemain);
+
+	test.Next(_L("Initialise"));
+	r=Initialise(z);
+	test(r==KErrNone);
+
+	test.Next(_L("Read header"));
+	TUint32 c=0;
+	RThread t;
+	t.SetHandle(z.iThreadHandle);
+	while (z.iRemain && z.iThreadStatus==KRequestPending)
+		{
+		TRequestStatus dummy;
+		TRequestStatus* pS=&dummy;
+		r=ReadBlockToBuffer(z);
+		test(r==KErrNone);
+		t.RequestComplete(pS,0);		// same process
+//		test.Printf(_L("."));
+		while(z.iHeaderDone==0 && z.iThreadStatus==KRequestPending)
+			DELAY(20000);
+		if (z.iHeaderDone==1 && z.iThreadStatus==KRequestPending)
+			{
+			// after reading first block, process the header
+			ProcessHeader(z);
+			c=User::NTickCount();
+			}
+		}
+
+	test.Next(_L("\nWait for thread to exit"));
+	User::WaitForRequest(z.iThreadStatus);
+	if (z.iRemain || t.ExitReason()!=KErrNone)
+		{
+		test.Printf(_L("Error %d\n"),t.ExitReason());
+		test(0);
+		}
+	TUint c2=User::NTickCount();
+	test.Printf(_L("Took %dms\n"),c2-c);
+	TheInputFile.Close();
+	test.Getch();
+
+	TInt unc_size=OutPtr-z.iOutBuf;
+	test.Printf(_L("Recovered size %d\n"),unc_size);
+	test.Printf(_L("Writing to file\n"));
+	RFile file;
+	r=file.Replace(fs,z.iName,EFileWrite);
+	test(r==KErrNone);
+	TPtrC8 ptr(z.iOutBuf,unc_size);
+	r=file.Write(ptr);
+	file.Close();
+
+	fs.Close();
+	Cleanup(z);
+
+	return KErrNone;
+	}
+