/*
  Copyright (c) 2009 Constantin Berzan <exit3219@gmail.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 "utiltest.h"

#include <qtest_kde.h>

#include <messagecomposer/utils/util.h>
using namespace MessageComposer;

QTEST_KDEMAIN( UtilTest, NoGUI )

void UtilTest::testSelectCharset()
{
  // Pick a charset that actually works.
  {
    QString text = QString::fromUtf8( "text 123 ăîşţâ" );
    QList<QByteArray> charsets;
    charsets << "us-ascii";
    charsets << "iso-8859-1";
    charsets << "iso-8859-2"; // This one works.
    QByteArray choice = Util::selectCharset( charsets, text );
    QCOMPARE( choice, QByteArray( "iso-8859-2" ) );
  }

  // Pick as simple a charset as possible.
  {
    QString text = QString::fromUtf8( "plain English text" );
    QList<QByteArray> charsets;
    charsets << "us-ascii"; // This one works.
    charsets << "iso-8859-1";
    charsets << "utf-8";
    QByteArray choice = Util::selectCharset( charsets, text );
    QCOMPARE( choice, QByteArray( "us-ascii" ) );
  }

  // Return empty charset if none works.
  {
    QString text = QString::fromUtf8( "text 123 ăîşţâ" );
    QList<QByteArray> charsets;
    QByteArray choice = Util::selectCharset( charsets, text );
    QVERIFY( choice.isEmpty() );
    charsets << "us-ascii";
    charsets << "iso-8859-1";
    choice = Util::selectCharset( charsets, text );
    QVERIFY( choice.isEmpty() );
  }

}