kitemmodels/autotests/bihash/functionalitytest.cpp

/*
    Copyright (C) 2010 Klarälvdalens Datakonsult AB,
        a KDAB Group company, info@kdab.net,
        author Stephen Kelly <stephen@kdab.com>

    This library is free software; you can redistribute it and/or modify it
    under the terms of the GNU Library General Public License as published by
    the Free Software Foundation; either version 2 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 Library General Public
    License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to the
    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

#include "kbihash_p.h"

#include <QString>
#include <QDebug>
#include <QBuffer>

int main(int argc, char **argv)
{
  KBiHash<int, QString> biHash;
  biHash.insert(5, "5.5");
  biHash.insert(6, "6.6");
  biHash.insert(7, "7.7");
  biHash.insert(8, "8.8");

  qDebug() << "left to right";
  KBiHash<int, QString>::left_iterator it1 = biHash.leftBegin();
  while ( it1 != biHash.leftEnd() )
  {
    qDebug() << it1.key() << it1.value();
    if (it1.key() == 7)
    {
      qDebug() << "erase" << it1.key() << ":" << it1.value();
      it1 = biHash.eraseLeft(it1);
    } else
      ++it1;
  }
  qDebug() << "right to left";
  KBiHash<int, QString>::right_const_iterator it2 = biHash.rightConstBegin();
  const KBiHash<int, QString>::right_const_iterator end2 = biHash.rightConstEnd();
  while ( it2 != end2 )
  {
    qDebug() << it2.key() << it2.value();
    ++it2;
  }

  KBiHash<int, QString>::right_iterator it3 = biHash.rightBegin();
  while ( it3 != biHash.rightEnd() )
  {
    if (it3.value() == 5)
    {
      const int newValue = 55;
      qDebug() << "update" << it3.key() << ":" << it3.value() << "to" << newValue;
      biHash.updateLeft(it3, newValue);
    }
    ++it3;
  }

  KBiHash<int, QString>::left_iterator it4 = biHash.leftBegin();
  while ( it4 != biHash.leftEnd() )
  {
    if (it4.value() == "6.6")
    {
      const QLatin1String newValue("66.66");
      qDebug() << "update" << it4.key() << ":" << it4.value() << "to" << newValue;
      biHash.updateRight(it4, newValue);
    }
    ++it4;
  }

  KBiHash<int, QString>::right_const_iterator it5 = biHash.constFindRight("5.5");
  qDebug() << "found" << it5.key() << it5.value();

  KBiHash<int, QString>::left_const_iterator it6 = biHash.constFindLeft(6);
  qDebug() << "found" << it6.key() << it6.value();

  qDebug() << "subscript operator" << biHash[8];

  qDebug() << "left to right";
  KBiHash<int, QString>::left_iterator it7 = biHash.leftBegin();
  while ( it7 != biHash.leftEnd() )
  {
    qDebug() << it7.key() << it7.value();
    if (it7.key() == 7)
      it7 = biHash.eraseLeft(it7);
    else
      ++it7;
  }

  KBiHash<int, QString> biHash2;
  biHash2.insert(8, "8.8");
  biHash2.insert(9, "9.9");
  biHash2.insert(10, "10.10");
  biHash2.insert(11, "11.11");

  qDebug() << biHash2;
  qDebug() << biHash;

  KBiHash<int, QString> biHash3 = biHash.unite(biHash2);

  qDebug() << biHash;
  qDebug() << biHash3;

  QByteArray ba;
  QBuffer outBuffer(&ba);
  outBuffer.open(QIODevice::WriteOnly);
  QDataStream out(&outBuffer);
  out << biHash;
  outBuffer.close();

  KBiHash<int, QString> biHash4;

  QBuffer inBuffer(&ba);
  inBuffer.open(QIODevice::ReadOnly);
  QDataStream in(&inBuffer);

  in >> biHash4;

  qDebug() << biHash4;

  qDebug() << (biHash == biHash4) << (biHash != biHash4);

  QHash<int, QString> hash;
  hash.insert(1, "1");
  hash.insert(2, "2");
  hash.insert(3, "3");

  KBiHash<int, QString> biHash5 = KBiHash<int, QString>::fromHash(hash);

  qDebug() << biHash5;

  KBiHash<int, QString>::left_iterator it8 = biHash5.findLeft(1);
  qDebug() << ( it8 == biHash.leftEnd() );
  qDebug() << it8.key();
//   qDebug() << it8.key() << it8.value();

  return 0;
}