// 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 "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:

 //

 #include <s32mem.h>

 #include <e32test.h>

 const TInt KTestCleanupStack=0x20;

 const TUint8* KTestData=_S8("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");

 const TInt KTestLength=36;

 const TInt KTestTotal=KTestLength*(KTestLength+1);

 const TPtrC8 KTestDes(KTestData,KTestLength);

 const TInt KTestExpandSize=0x20;

 const TInt KTestCopyExpandSize=17;

 LOCAL_D CTrapCleanup *TheTrapCleanup;

 LOCAL_D RTest test(_L("t_stormemstrm"));

 LOCAL_D TUint8 TheBuf[KTestTotal+1];

 //

 // Test writing to a stream.

 //

 LOCAL_C void testWriteL(RWriteStream& aStream)

 	{

 	test.Next(_L("Writing..."));

 	for (TInt i=0;i<=KTestLength;++i)

 		{

 		aStream.WriteL(KTestDes,i);

 		aStream.WriteL(&KTestData[i],KTestLength-i);

 		}

 	}

 //

 // Test reading from a stream.

 //

 LOCAL_C void testReadL(RReadStream& aStream)

 	{

 	test.Next(_L("Reading..."));

 	for (TInt i=KTestLength;i>=0;--i)

 		{

 		TBuf8<KTestLength+1> buf;

 		aStream.ReadL(buf,i);

 		test(buf.Length()==i);

 		buf.SetMax();

 		aStream.ReadL(&buf[i],KTestLength-i);

 		buf.SetLength(KTestLength);

 		test(buf==KTestDes);

 		}

 	}

 //

 // Test skipping data on a stream.

 //

 LOCAL_C void testSkipL(RReadStream& aStream)

 	{

 	test.Next(_L("Skipping..."));

 	for (TInt i=0;i<=KTestLength;++i)

 		{

 		aStream.ReadL(i);

 		aStream.ReadL(KTestLength-i);

 		}

 	}

 //

 // Test a stream is at end-of-file.

 //

 LOCAL_C void testEofL(RReadStream& aStream)

 	{

 	test.Next(_L("At end"));

 	TUint8 b;

 	test(aStream.Source()->ReadL(&b,1)==0);

 	}

 //

 // Test copying from one stream to another.

 //

 LOCAL_C void testCopyL(RWriteStream& aWriteStream,RReadStream& aReadStream)

 	{

 	test.Next(_L("Copying"));

 	for (TInt i=KTestLength;i>=0;--i)

 		{

 		aWriteStream.WriteL(aReadStream,i);

 		aReadStream.ReadL(aWriteStream,KTestLength-i);

 		}

 	}

 //

 // Test writing to a memory stream.

 //

 LOCAL_C void testWriteL(TAny* aPtr)

 	{

 	test.Next(_L("Writing to constructed stream"));

 	RMemWriteStream out(aPtr,KTestTotal);

 	testWriteL(out);

 	out.CommitL();

 //

 	test.Next(_L("Writing one byte too many"));

 	TRAPD(r,out.WriteUint8L(0));

 	test(r==KErrOverflow);

 	out.Close();

 //

 	test.Next(_L("Over-writing massively"));

 	out.Open(aPtr,KTestLength);

 	TRAP(r,testWriteL(out));

 	test(r==KErrOverflow);

 	out.Open((TUint8*)aPtr+KTestLength,KTestTotal-KTestLength);

 	TRAP(r,testWriteL(out));

 	test(r==KErrOverflow);

 //

 	test.Next(_L("Writing to opened stream"));

 	out.Open(aPtr,KTestTotal);

 	testWriteL(out);

 	}

 //

 // Test reading from a memory stream.

 //

 LOCAL_C void testReadL(const TAny* aPtr)

 	{

 	test.Next(_L("Reading from constructed stream"));

 	RMemReadStream in(KTestData,KTestLength);

 	TRAPD(r,testReadL(in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Reading from opened stream"));

 	in.Open(aPtr,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	}

 //

 // Test skipping on a memory stream.

 //

 LOCAL_C void testSkipL(const TAny* aPtr)

 	{

 	test.Next(_L("Skipping using small transfers"));

 	RMemReadStream in(aPtr,KTestTotal);

 	testSkipL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Skipping using a single big transfer"));

 	in.Open(aPtr,KTestTotal);

 	in.ReadL(KTestTotal);

 	testEofL(in);

 	}

 //

 // Test copying memory streams.

 //

 LOCAL_C void testCopyL(TAny* aPtr)

 	{

 	test.Next(_L("Copying using small transfers"));

 	TUint8 buf[KTestTotal];

 	RMemReadStream in(KTestData,KTestLength);

 	RMemWriteStream out(buf,KTestTotal);

 	TRAPD(r,testCopyL(out,in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aPtr,KTestTotal);

 	TRAP(r,testCopyL(out,in));

 	test(r==KErrOverflow);

 	in.Open(buf,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf,KTestTotal);

 	out.Open(aPtr,KTestTotal);

 	testCopyL(out,in);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aPtr,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying using a single big transfer"));

 	Mem::FillZ(buf,KTestTotal);

 	in.Open(KTestData,KTestLength);

 	out.Open(buf,KTestTotal);

 	TRAP(r,in.ReadL(out,KTestTotal));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aPtr,KTestTotal);

 	TRAP(r,out.WriteL(in,KTestTotal));

 	test(r==KErrOverflow);

 	in.Open(buf,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf,KTestTotal);

 	out.Open(aPtr,KTestTotal);

 	in.ReadL(out,KTestTotal);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aPtr,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying until end of file"));

 	Mem::FillZ(buf,KTestTotal);

 	in.Open(KTestData,KTestLength);

 	out.Open(buf,KTestTotal);

 	out.WriteL(in);

 	testEofL(in);

 	in.Open(aPtr,KTestTotal);

 	TRAP(r,in.ReadL(out));

 	test(r==KErrOverflow);

 	in.Open(buf,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf,KTestTotal);

 	out.Open(aPtr,KTestTotal);

 	out.WriteL(in);

 	testEofL(in);

 	out.CommitL();

 	out.Close();

 	in.Close();

 	in.Open(aPtr,KTestTotal);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 	}

 //

 // Test writing to a descriptor stream.

 //

 LOCAL_C void testWriteL(TDes8& aDes)

 	{

 	test.Next(_L("Writing to constructed stream"));

 	RDesWriteStream out(aDes);

 	testWriteL(out);

 //

 	test.Next(_L("Writing one byte too many"));

 	TRAPD(r,out.WriteUint8L(0));

 	test(r==KErrOverflow);

 	out.Close();

 //

 	test.Next(_L("Over-writing massively"));

 	TPtr8 ptr((TUint8*)aDes.Ptr(),KTestLength);

 	out.Open(ptr);

 	TRAP(r,testWriteL(out));

 	test(r==KErrOverflow);

 	ptr.Set((TUint8*)aDes.Ptr()+KTestLength,KTestLength,KTestTotal-KTestLength);

 	out.Open(ptr);

 	TRAP(r,testWriteL(out));

 	test(r==KErrOverflow);

 //

 	test.Next(_L("Writing to opened stream"));

 	out.Open(aDes);

 	testWriteL(out);

 	out.CommitL();

 	}

 //

 // Test reading from a descriptor stream.

 //

 LOCAL_C void testReadL(const TDesC8& aDes)

 	{

 	test.Next(_L("Reading from constructed stream"));

 	RDesReadStream in(KTestDes);

 	TRAPD(r,testReadL(in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Reading from opened stream"));

 	in.Open(aDes);

 	testReadL(in);

 	testEofL(in);

 	}

 //

 // Test skipping on a descriptor stream.

 //

 LOCAL_C void testSkipL(const TDesC8& aDes)

 	{

 	test.Next(_L("Skipping using small transfers"));

 	RDesReadStream in(aDes);

 	testSkipL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Skipping using a single big transfer"));

 	in.Open(aDes);

 	in.ReadL(KTestTotal);

 	testEofL(in);

 	}

 //

 // Test copying descriptor streams.

 //

 LOCAL_C void testCopyL(TDes8& aDes)

 	{

 	test.Next(_L("Copying using small transfers"));

 	TBuf8<KTestTotal> buf;

 	RDesReadStream in(KTestDes);

 	RDesWriteStream out(buf);

 	TRAPD(r,testCopyL(out,in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aDes);

 	TRAP(r,testCopyL(out,in));

 	test(r==KErrOverflow);

 	out.CommitL();

 	testEofL(in);

 	in.Open(buf);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf);

 	out.Open(aDes);

 	testCopyL(out,in);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aDes);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying using a single big transfer"));

 	buf.FillZ();

 	in.Open(KTestDes);

 	out.Open(buf);

 	TRAP(r,in.ReadL(out,KTestTotal));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aDes);

 	TRAP(r,out.WriteL(in,KTestTotal));

 	test(r==KErrOverflow);

 	out.CommitL();

 	in.Open(buf);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf);

 	out.Open(aDes);

 	in.ReadL(out,KTestTotal);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aDes);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying until end of file"));

 	buf.FillZ();

 	in.Open(KTestDes);

 	out.Open(buf);

 	out.WriteL(in);

 	testEofL(in);

 	in.Open(aDes);

 	TRAP(r,in.ReadL(out));

 	test(r==KErrOverflow);

 	out.CommitL();

 	in.Open(buf);

 	testReadL(in);

 	testEofL(in);

 	in.Open(buf);

 	out.Open(aDes);

 	out.WriteL(in);

 	testEofL(in);

 	out.CommitL();

 	out.Close();

 	in.Close();

 	in.Open(aDes);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 	}

 //

 // Test writing to a buffer stream.

 //

 LOCAL_C void testWriteL(CBufBase& aBuf)

 	{

 	test.Next(_L("Writing to constructed stream"));

 	RBufWriteStream out(aBuf);

 	testWriteL(out);

 	out.CommitL();

 //

 	test.Next(_L("Writing to opened stream"));

 	out.Open(aBuf,KTestLength);

 	testWriteL(out);

 //

 	test.Next(_L("Writing to inserting stream"));

 	out.Insert(aBuf,KTestLength);

 	testWriteL(out);

 	out.Close();

 	out.Insert(aBuf,0);

 	testWriteL(out);

 //

 	test.Next(_L("Writing to appending stream"));

 	out.Append(aBuf);

 	testWriteL(out);

 //

 	test.Next(_L("Writing to truncating stream"));

 	out.Truncate(aBuf,KTestLength);

 	testWriteL(out);

 	out.Close();

 	out.Truncate(aBuf);

 	testWriteL(out);

 	out.CommitL();

 	}

 //

 // Test reading from a buffer stream.

 //

 LOCAL_C void testReadL(const CBufBase& aBuf)

 	{

 	test.Next(_L("Reading from constructed stream"));

 	RBufReadStream in(aBuf,KTestLength);

 	TRAPD(r,testReadL(in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Reading from opened stream"));

 	in.Open(aBuf);

 	testReadL(in);

 	testEofL(in);

 	}

 //

 // Test skipping on a buffer stream.

 //

 LOCAL_C void testSkipL(const CBufBase& aBuf)

 	{

 	test.Next(_L("Skipping using small transfers"));

 	RBufReadStream in(aBuf);

 	testSkipL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Skipping using a single big transfer"));

 	in.Open(aBuf);

 	in.ReadL(KTestTotal);

 	testEofL(in);

 	in.Close();

 	}

 //

 // Test copying buffer streams.

 //

 LOCAL_C void testCopyL(CBufBase& aBuf)

 	{

 	test.Next(_L("Copying using small transfers"));

 	CBufBase* buf=0;

 	TRAPD(r,buf=CBufFlat::NewL(KTestCopyExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	RBufReadStream in(aBuf);

 	RBufWriteStream out(*buf);

 	TRAP(r,testCopyL(out,in));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aBuf,KTestTotal-2*KTestLength);

 	TRAP(r,testCopyL(out,in));

 	test(r==KErrEof);

 	out.Close();

 	testEofL(in);

 	in.Open(*buf);

 	out.Open(aBuf);

 	testCopyL(out,in);

 	testEofL(in);

 	out.CommitL();

 	in.Open(aBuf);

 	testReadL(in);

 	testEofL(in);

 	delete buf;

 	TRAP(r,buf=CBufSeg::NewL(KTestCopyExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	in.Open(aBuf);

 	out.Open(*buf);

 	testCopyL(out,in);

 	testEofL(in);

 	out.CommitL();

 	in.Open(*buf);

 	out.Open(aBuf);

 	testCopyL(out,in);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aBuf);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying using a single big transfer"));

 	in.Open(aBuf);

 	out.Truncate(*buf,KTestLength);

 	TRAP(r,in.ReadL(out,KTestTotal+KTestLength));

 	test(r==KErrEof);

 	testEofL(in);

 	in.Open(aBuf,KTestTotal);

 	TRAP(r,out.WriteL(in,KTestTotal));

 	test(r==KErrEof);

 	out.CommitL();

 	testEofL(in);

 	in.Open(*buf);

 	testReadL(in);

 	in.ReadL(KTestLength);

 	testEofL(in);

 	delete buf;

 	TRAP(r,buf=CBufFlat::NewL(KTestExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	in.Open(aBuf);

 	out.Open(*buf);

 	testCopyL(out,in);

 	testEofL(in);

 	out.CommitL();

 	in.Open(*buf);

 	out.Open(aBuf);

 	in.ReadL(out,KTestTotal);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aBuf);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 //

 	test.Next(_L("Copying until end of file"));

 	in.Open(aBuf,KTestLength);

 	out.Truncate(*buf);

 	out.WriteL(in);

 	testEofL(in);

 	in.Open(aBuf,KTestTotal-KTestLength);

 	in.ReadL(out);

 	out.CommitL();

 	testEofL(in);

 	in.Open(*buf);

 	testReadL(in);

 	testEofL(in);

 	delete buf;

 	TRAP(r,buf=CBufSeg::NewL(KTestExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	in.Open(aBuf);

 	out.Open(*buf);

 	testCopyL(out,in);

 	testEofL(in);

 	out.CommitL();

 	in.Open(*buf);

 	out.Open(aBuf);

 	out.WriteL(in);

 	testEofL(in);

 	out.Close();

 	in.Close();

 	in.Open(aBuf);

 	testReadL(in);

 	testEofL(in);

 	in.Close();

 	delete buf;

 	}

 /**

 @SYMTestCaseID          SYSLIB-STORE-CT-1173

 @SYMTestCaseDesc	    Tests for defect number FER56EJNS

 @SYMTestPriority 	    High

 @SYMTestActions  	    Tests for MStreamBuf::SizeL() function returning zero length.

 @SYMTestExpectedResults Test must not fail

 @SYMREQ                 REQ0000

 */

 LOCAL_C void test_defect_FER_56EJNS()

 	{

 	const TPtrC8 p;

 	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1173 "));

 	// don't replace p with TPtrC8() because gcc interprets it as a function declaration.

 	RDesReadStream s(p);

 	TInt sz=-1;

 	TRAPD(r,sz=s.Source()->SizeL());

 	test (r==KErrNone);

 	test (sz==0);

 	}

 /**

 @SYMTestCaseID          SYSLIB-STORE-CT-1174

 @SYMTestCaseDesc	    Memory streams test

 @SYMTestPriority 	    High

 @SYMTestActions  	    Tests for writing,reading,skipping and copying on memory streams operations

 @SYMTestExpectedResults Test must not fail

 @SYMREQ                 REQ0000

 */

 LOCAL_C void testMemL()

 	{

 	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1174 Test memory streams "));

 	Mem::Fill(TheBuf,KTestTotal,'|');

 	TheBuf[KTestTotal]=KMaxTUint8;

 	testWriteL(TheBuf);

 	testReadL(TheBuf);

 	testSkipL(TheBuf);

 	testCopyL(TheBuf);

 	test(TheBuf[KTestTotal]==KMaxTUint8);

 	}

 /**

 @SYMTestCaseID          SYSLIB-STORE-CT-1175

 @SYMTestCaseDesc	    Tests for read,write,copy operations on descriptor streams buffer

 @SYMTestPriority 	    High

 @SYMTestActions  	    Test for writing,reading,skipping and copying on descriptor streams operations

 @SYMTestExpectedResults Test must not fail

 @SYMREQ                 REQ0000

 */

 LOCAL_C void testDesL()

 	{

 	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1175 Test descriptor streams "));

 	Mem::Fill(TheBuf,KTestTotal,'|');

 	TheBuf[KTestTotal]=KMaxTUint8;

 	TPtr8 des(TheBuf,KTestTotal);

 	testWriteL(des);

 	test(des.Length()==KTestTotal);

 	testReadL(des);

 	testSkipL(des);

 	des.SetLength(KTestTotal-KTestLength+1);

 	testCopyL(des);

 	test(des.Length()==KTestTotal);

 	test(TheBuf[KTestTotal]==KMaxTUint8);

 	}

 /**

 @SYMTestCaseID          SYSLIB-STORE-CT-1176

 @SYMTestCaseDesc	    Buffer streaming test

 @SYMTestPriority 	    High

 @SYMTestActions  	    Tests by writing,reading,skipping and copying on buffer streams

                         Tests for panic during creation of a new buffer

 @SYMTestExpectedResults Test must not fail

 @SYMREQ                 REQ0000

 */

 LOCAL_C void testBufL()

 	{

 	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1176 Test buffer streams "));

 	CBufBase* buf=0;

 	TRAPD(r,buf=CBufFlat::NewL(KTestExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	testWriteL(*buf);

 	test(buf->Size()==KTestTotal);

 	testReadL(*buf);

 	testSkipL(*buf);

 	buf->ResizeL(KTestTotal-KTestLength);

 	testCopyL(*buf);

 	test(buf->Size()==KTestTotal);

 	delete buf;

 //

 	TRAP(r,buf=CBufSeg::NewL(KTestExpandSize));

 	if (r!=KErrNone)

 		test.Panic(_L("Allocating buffer"));

 	testWriteL(*buf);

 	test(buf->Size()==KTestTotal);

 	testReadL(*buf);

 	testSkipL(*buf);

 	buf->ResizeL(KTestTotal-KTestLength);

 	testCopyL(*buf);

 	test(buf->Size()==KTestTotal);

 	delete buf;

 	}

 /**

 DEF038720 - RBufReadStream Close/Re-Open doesn't return to initial open state

 @SYMTestCaseID          SYSLIB-STORE-CT-1177

 @SYMTestCaseDesc	    Tests for defect number DEF038720

 						RBufReadStream Close/Re-Open doesn't return to initial open state

 @SYMTestPriority 	    High

 @SYMTestActions  	    Write to buffer stream and read back,asserts if any problem while reading the buffer

 @SYMTestExpectedResults Test must not fail

 @SYMREQ                 REQ0000

 */

 LOCAL_C void test_DEF038720L()

 	{

 	test.Next(_L(" @SYMTestCaseID:SYSLIB-STORE-CT-1177 "));

 	CBufFlat* buf = CBufFlat::NewL(0x20);

 	CleanupStack::PushL(buf);

 	buf->ExpandL(0, 0x20);

 	RBufWriteStream writeStream(*buf);

 	writeStream.PushL();

 	writeStream.WriteInt32L(1);

 	CleanupStack::PopAndDestroy(&writeStream);

 	TInt temp;

 	RBufReadStream readStream;

 	for(TInt i=0; i<2; i++)

 		{

 		readStream.Open(*buf);

 		readStream.PushL();

 		temp = readStream.ReadInt32L();

 		__ASSERT_ALWAYS(temp==1, User::Invariant());   //Fails here 2nd time, if the defect is not fixed

 		CleanupStack::PopAndDestroy(&readStream);

 		}

 	CleanupStack::PopAndDestroy(buf);

 	}

 //

 // Initialise the cleanup stack.

 //

 LOCAL_C void setupCleanup()

     {

 	TheTrapCleanup=CTrapCleanup::New();

 	test(TheTrapCleanup!=NULL);

 	TRAPD(r,\

 		{\

 		for (TInt i=KTestCleanupStack;i>0;i--)\

 			CleanupStack::PushL((TAny*)1);\

 		test(r==KErrNone);\

 		CleanupStack::Pop(KTestCleanupStack);\

 		});

 	test(r==KErrNone);

 	}

 //

 // Test memory-based streams.

 //

 GLDEF_C TInt E32Main()

     {

 	test.Title();

 	setupCleanup();

 	__UHEAP_MARK;

 //

 	test.Start(_L("Test memory-based streams"));

 	TRAPD(r,testMemL());

 	test(r==KErrNone);

 	TRAP(r,testDesL());

 	test(r==KErrNone);

 	TRAP(r,testBufL());

 	test(r==KErrNone);

 //

 	test.Next(_L("Test defect fixes"));

 	test_defect_FER_56EJNS();

 	TRAP(r,::test_DEF038720L());

 	test(r==KErrNone);

 	test.End();

 //

 	__UHEAP_MARKEND;

 	delete TheTrapCleanup;

 	test.Close();

 	return 0;

     }