campo-sirio/ba/ba1200.cpp

#include <applicat.h>
#include <progind.h>
#include <recarray.h>
#include <relation.h>

///////////////////////////////////////////////////////////
// Testfile
///////////////////////////////////////////////////////////

class TTest_application : public TSkeleton_application
{
protected:
  void test1();
  void test2();
  void test3();
  void test4();

  clock_t start_timer() const;

public:
  virtual void main_loop();
};

clock_t TTest_application::start_timer() const
{
  clock_t t = clock();
  while (clock() == t);
  t = clock();
  return t;
}

void TTest_application::test1()
{            
  TLocalisamfile tab(LF_COMUNI);
  
  clock_t start;
  TRecnotype r = 0;
  TString80 msg;
	{
    const int times = 10;
		TProgind p(times, TR("Lettura file comuni"), TRUE, TRUE);
		start = start_timer();
    for (int i = 0; i < times; i++)
    {
		  for (tab.first(); tab.good(); tab.next())
        r++;

		  msg.format("%ld records %ld msec", r, clock() - start);             
			p.addstatus(1);
			p.set_text(msg);
			if (p.iscancelled()) 
        break;
    }
	}
	const clock_t t = clock() - start;
	msg.format("Lettura file comuni\n"
             "%ld records in %ld msec\n%lg records per sec", r, t, 1000.0*r/t);             
	message_box(msg);
}

void TTest_application::test2()
{            
  TRelation rel(LF_COMUNI);
  TCursor tab(&rel);

  const TRecnotype n = tab.items();

  tab.freeze();
  
  clock_t start;
  TRecnotype r = 0;
  TString80 msg;
	{
    const int times = 10;
		TProgind p(times, TR("Lettura cursore comuni"), TRUE, TRUE);
		start = start_timer();
    for (int i = 0; i < times; i++)
    {
		  for (tab = 0; tab.pos() < n; ++tab)
        r++;
		  
      msg.format("Lettura cursore comuni\n%ld records %ld msec", r, clock() - start);             
		  p.addstatus(1);
		  p.set_text(msg);
		  if (p.iscancelled()) 
        break;
    }
	}
	const clock_t t = clock() - start;
	msg.format("%ld records in %ld msec\n%lg records per sec\n", 
             r, t, 1000.0*r/t);             
	message_box(msg);
}

void TTest_application::test3()
{            
  TRelation rel(LF_COMUNI);
  TSorted_cursor tab(&rel, "CAPCOM|DENCOM");

  clock_t istart = start_timer();
  const TRecnotype n = tab.items();
  clock_t istop = clock() - istart;

  tab.freeze();
  
  clock_t start;
  TRecnotype r = 0;
  TString256 msg;
	{
    const int times = 10;
		TProgind p(times, TR("Lettura cursore C.A.P."), TRUE, TRUE);
		start = start_timer();
    for (int i = 0; i < times; i++)
    {
		  for (tab = 0; tab.pos() < n; ++tab)
        r++;
		  
      msg.format("Lettura cursore C.A.P.\n%ld records %ld msec", r, clock() - start);             
		  p.addstatus(1);
		  p.set_text(msg);
		  if (p.iscancelled()) 
        break;
    }
	}
	const clock_t t = clock() - start;
	msg.format("%ld records in %ld msec\n%lg records per sec\n"
             "%ld msec for initialization", 
             r, t, 1000.0*r/t, istop);             
	message_box(msg);
}

void TTest_application::test4()
{            
  long r = 0;
  srand(r);
  TString8 cod;

  clock_t start;
	{
    const int times = 10;
		TProgind p(times, TR("Lettura casuale tramite cache"), TRUE, TRUE);
    cache().get(LF_COMUNI, cod);  // Inizializzazione
		start = start_timer();
    for (int i = 0; i < times; i++)
    {
      for (long j = 0; j < 10000; j++)
      {
        cod.format(" |%c%03d", 'A'+rand()%8, rand() % 1000);
        cache().get(LF_COMUNI, cod);
        r++;
      }
	    p.addstatus(1);
		  if (p.iscancelled()) 
        break;
    }
	}

	const clock_t t = clock() - start;
  TString msg;
	msg.format("%ld records in %ld msec\n%lg records per sec", r, t, 1000.0*r/t);             
	message_box(msg);
}

void TTest_application::main_loop()
{
  test1();
  test2();
  test3();
  test4();
}

///////////////////////////////////////////////////////////


int ba1200(int argc, char** argv)
{
  TTest_application a;
  a.run(argc, argv, TR("Test File"));
  return 0;
}