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test_isfdrawing.cpp

/***************************************************************************
 *   Copyright (C) 2009 by Adam Goossens                                   *
 *   adam@kmess.org                                                        *
 *                                                                         *
 *   This program 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 program 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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#include "test_isfdrawing.h"

#include <QtTest/QtTest>

#include <IsfQtDrawing>

using namespace Isf;



TestIsfDrawing::TestIsfDrawing()
{
}



void TestIsfDrawing::emptyConstructor_NullDrawing()
{
  Drawing doc;
  QCOMPARE(doc.isNull(), true);
}



// invalid ISF version numbers should return a null Drawing
void TestIsfDrawing::invalidVersion_NullDrawing()
{
  QByteArray data;
  data.append(0x0B);  // isf version 11 - invalid.

  Drawing drawing = Stream::reader( data );
  QCOMPARE( drawing.isNull(), true );
  QVERIFY( drawing.error() == ISF_ERROR_BAD_VERSION );
}



// by default the parser error should be ISF_ERROR_NONE
void TestIsfDrawing::parserErrorNoneByDefault()
{
  Drawing drawing;
  QCOMPARE( drawing.error(), ISF_ERROR_NONE );
}



// an invalid stream size should give a null drawing.
void TestIsfDrawing::invalidStreamSize_NullDrawing()
{
  QByteArray data;
  data.append((char)0x00);  // ISF version 1.0.
  data.append(0x01);  // stream size of 1 byte, but only 3 bytes of data.

  Drawing drawing = Stream::reader( data );
  QCOMPARE( drawing.isNull(), true );
  QCOMPARE( drawing.error(), ISF_ERROR_BAD_STREAMSIZE );
}



// valid ISF test data should generate a non-null
// drawing with the appropriate number of strokes.
void TestIsfDrawing::parseValidRawIsfData()
{
  QByteArray data;
  readTestIsfData( "tests/test1.isf", data );
  Drawing drawing = Stream::reader( data );
  QCOMPARE( drawing.isNull(), false );
}



// Create a drawing and feed it to the parser
void TestIsfDrawing::createDrawing()
{
  qDebug() << "------------------------- Creating drawing from ISF -------------------------";
  QByteArray data1;
  readTestIsfData( "tests/test4.isf", data1 );
  Isf::Drawing drawing1 = Isf::Stream::reader( data1 );

  QCOMPARE( drawing1.isNull(), false );

  qDebug() << "------------------------- Writing drawing to ISF file -------------------------";
  QByteArray data2( Isf::Stream::writer( drawing1 ) );

  qDebug() << "------------------------- Reading it back -------------------------";
  Isf::Drawing drawing2 = Isf::Stream::reader( data2 );

  QCOMPARE( drawing2.isNull(), false );

  qDebug() << "Streams size - data1:" << data1.size() << "data2:" << data2.size();
  QVERIFY( data1.size() == data2.size() );
}



// read some test raw ISF data from a file on the filesystem and
// return it as a QByteArray.
void TestIsfDrawing::readTestIsfData( const QString& filename, QByteArray& byteArray )
{
  QFile file( filename );
  QVERIFY( file.exists() );

  // read file and convert to qbytearray.
  QVERIFY( file.open( QIODevice::ReadOnly ) );

  byteArray = file.readAll();

  file.close();
}



QTEST_MAIN(TestIsfDrawing)



#include "test_isfdrawing.moc"

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