BigBlockExample

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    // -------- Start of File -------- //
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    // C++ Source Code File Name: testprog.cpp
    // Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC
    // Produced By: DataReel Software Development Team
    // File Creation Date: 02/04/1997
    // Date Last Modified: 06/17/2016
    // Copyright (c) 2001-2016 DataReel Software Development
    // ----------------------------------------------------------- //
    // ------------- Program Description and Details ------------- //
    // ----------------------------------------------------------- //
    /*
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
    USA

    Program used to test the allocation of large database blocks.
    */
    // ----------------------------------------------------------- //
    #include "gxdlcode.h"

    #if defined (__USE_ANSI_CPP__) // Use the ANSI Standard C++ library
    #include <iostream>
    using namespace std; // Use unqualified names for Standard C++ library
    #else // Use the old iostream library by default
    #include <iostream.h>
    #endif // __USE_ANSI_CPP__

    #include "gxdbase.h"
    #include "gxdstats.h"

    void PausePrg()
    {
      cout << "\n";
      cout << "Press enter to continue..." << "\n";
      cin.get();
    }

    int main()
    {
      gxDatabase *f = new gxDatabase;
      if(!f) {
        cout << "Error allocating memory for database object" << "\n";
        return 1;
      }
      const char *fname = "bigblk.gxd";
      f->Create(fname);
      if(CheckError(f) != 0) {
        delete f;
        return 1;
      }

      __UWORD__ xl_block = 10000000; // 10Meg bytes
      __UWORD__ el_block = 1000000;  // 1Meg bytes
      __UWORD__ vl_block = 100000;   // 100K bytes
      __UWORD__ l_block  = 10000;    // 10K bytes

      cout << "Testing the allocation/removal of large blocks." << "\n";
      cout << "WARNING: This test will require 12 Meg of disk space." << "\n";
      cout << "Press Enter to continue or Ctrl-C to abort..." << "\n";
      cin.get();

      cout << "\n";
      cout << "Allocating " << xl_block << " bytes..." << "\n";
      FAU_t addr = f->Alloc(xl_block);
      f->CalcChecksum(xl_block, addr);
      cout << "Removing the block..." << "\n";
      f->Remove(addr);
      PausePrg();

      DatabaseStats(f);
      PausePrg();
      cout << "Allocating " << el_block << " bytes..." << "\n";
      addr = f->Alloc(el_block);
      f->CalcChecksum(el_block, addr);
      cout << "Removing the block..." << "\n";
      f->Remove(addr);
      PausePrg();

      DatabaseStats(f);
      PausePrg();
      cout << "Allocating " << vl_block << " bytes..." << "\n";
      addr = f->Alloc(vl_block);
      f->CalcChecksum(vl_block, addr);
      cout << "Removing the block..." << "\n";
      f->Remove(addr);
      PausePrg();

      DatabaseStats(f);
      PausePrg();
      cout << "Allocating " << l_block << " bytes..." << "\n";
      addr = f->Alloc(l_block);
      f->CalcChecksum(l_block, addr);
      cout << "Removing the block..." << "\n";
      f->Remove(addr);
      PausePrg();

      DatabaseStats(f);
      PausePrg();

      cout << "Exiting..." << "\n";
      f->Close();
      if(CheckError(f) != 0) {
        delete f;
        return 1;
      }

      delete f;
      return 0;
    }
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