Qt memory leak test

// main.h

#pragma once

#include <QtCore>
#include <QtGui>

class WndTable : public QDialog
{
  Q_OBJECT

  public: WndTable( QWidget* parent = 0 ) :
    QDialog( parent )
  {
    QVBoxLayout* layout = new QVBoxLayout( this );
    QTableWidget* table = new QTableWidget( this );
    layout->addWidget( table );

    setAttribute( Qt::WA_DeleteOnClose );
    table->setColumnCount( 1 );
    table->setRowCount( 128 * 1024 );
    for( int i = 0; i < 128 * 1024; i ++ )
    {
      QTableWidgetItem* item = new QTableWidgetItem( tr( "%1" ).arg( i ) );
      table->setItem( i, 0, item );
    }
  }
};

class WndMain : public QPushButton
{
  Q_OBJECT

  public: WndMain( QWidget* parent = 0 ) :
    QPushButton( parent )
  {
    connect( this, SIGNAL(clicked()), this, SLOT(OnClick()) );
  }

  private slots: void OnClick()
  {
    (new WndTable( this ))->show();
  }
};

// main.cpp


#include "main.h"

int main( int argc, char** argv )
{
  QApplication app( argc, argv );
  WndMain wndMain;
  wndMain.setText( "Click me" );
  wndMain.show();

  return app.exec();
}