//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2 of the License, or (at your
// option) any later version.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please see the GNU General Public License
// for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
// blockrecordarray_t.cpp

#include "stddb.h"
#include "db/blockrecordarray.h"
#include "test/test.h"
#include "core/debug.h"
#include "core/error.h"

void TestBlockRecordArray()
{
	cDebug d( "TestBlockRecordArray" );
	try
	{
		static const TCHAR fileName[] = _T("c:/tmp/test.bf");

		cBlockFile bf;
		bf.Open( fileName, 2, true );	// opened up with two pages

		// make sure the file is large enough...
		//
		while( bf.GetNumBlocks() < 2 )
		{
			bf.CreateBlock();
		}
		
		// create the record arrays and associate them with the two blocks...
		// 
		cBlockRecordArray ra1( &bf, 0 );	ra1.InitNewBlock();
		cBlockRecordArray ra2( &bf, 1 );	ra2.InitNewBlock();
		//
		// now, start adding and removing things from the arrays...
		//
		static const char data1[] = "This is data 1";
		static const char data2[] = "And here we have data 2";
		static const char data3[] = "Here is d a t a 3!";
		static const char data4[] = "Three cheers for data 4!";
		ra1.AddItem( (int8*)data1, sizeof(data1), 1 );
		ra1.AddItem( (int8*)data2, sizeof(data2), 2 );
		ra1.AddItem( (int8*)data3, sizeof(data3), 3 );
		ra1.AddItem( (int8*)data4, sizeof(data4), 4 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif

		// TODO -- try deleting the second to last and then the last thing from the array to 
		//		see if we clean up properly.

		// delete item 2...
		ra1.DeleteItem( 1 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif

		// add a new item...
		static const char data5[] = "fffiiivvveee!";
		ra1.AddItem( (int8*)data5, sizeof(data5), 5 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif
	
		// delete the second to last and last items to see if we clean up properly...
		// note that there are four things here at this point.
		ra1.DeleteItem( 2 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif
		ra1.DeleteItem( 3 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif

		// delete the first item to see if that works ok....
		ra1.DeleteItem( 0 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif

		// add a couple more just for kicks :-)
		static const char data6[] = "We're looking for six";
		static const char data7[] = "All 7s go to heaven";
		ra1.AddItem( (int8*)data6, sizeof(data6), 6 );
		ra1.AddItem( (int8*)data7, sizeof(data7), 7 );
        #ifdef _BLOCKFILE_DEBUG
		ra1.TraceContents();
        #endif

		// Now, we will close the file, reopen it and see if we can read it ok.
		//
		bf.Close();
		bf.Open( fileName, 2, false );
		cBlockRecordArray ra3( &bf, 0 );	ra3.InitForExistingBlock();
		d.TraceDebug( "\n------ Tracing out the contents of the first block after being read back in from disk...\n\n");
        #ifdef _BLOCKFILE_DEBUG
		ra3.TraceContents();
        #endif
	}
	catch( eError& e )
	{
		d.TraceError( "Exception caught: %d %s\n", e.GetID(), e.GetMsg().c_str() );
		TEST( false );
	}
}