text: /****************************************************************************
  **
  ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  ** All rights reserved.
  ** Contact: Nokia Corporation (qt-info@nokia.com)
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** You may use this file under the terms of the BSD license as follows:
  **
  ** "Redistribution and use in source and binary forms, with or without
  ** modification, are permitted provided that the following conditions are
  ** met:
  **   * Redistributions of source code must retain the above copyright
  **     notice, this list of conditions and the following disclaimer.
  **   * Redistributions in binary form must reproduce the above copyright
  **     notice, this list of conditions and the following disclaimer in
  **     the documentation and/or other materials provided with the
  **     distribution.
  **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
  **     the names of its contributors may be used to endorse or promote
  **     products derived from this software without specific prior written
  **     permission.
  **
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  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #include <qtest.h>
  #include <QTextDocument>
  #include <QDir>
  #include <QtDeclarative>
  #include <QDeclarativeEngine>
  #include "../../src/canvas.h"
  
  class tst_canvas : public QObject
  
  {
      Q_OBJECT
  
  private slots:
      void create();
      void setInterval();
      void setTimeout();
      void initTestCase();
  
  private:
      QDeclarativeEngine engine;
  };
  
  void tst_canvas::initTestCase()
  {
      const char *uri ="com.nokia.qmlcanvas";
      qmlRegisterType<Canvas>(uri, 1, 0, "Canvas");
      qmlRegisterType<Context2D>(uri, 1, 0, "Context2D");
      qmlRegisterUncreatableType<CanvasImage>(uri, 1, 0, "CanvasImage", QString());
      qmlRegisterUncreatableType<CanvasGradient>(uri, 1, 0, "Gradient", QString());
  }
  
  
  void tst_canvas::create()
  {
      QString componentStr = "import Qt 4.7 \n"
              "import com.nokia.qmlcanvas 1.0\n"
              "Canvas { width: 300; height: 300 }";
      QDeclarativeComponent component(&engine);
      component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
      Canvas *obj = qobject_cast<Canvas*>(component.create());
      QVERIFY(obj != 0);
      QCOMPARE(obj->width(), 300.);
      QCOMPARE(obj->height(), 300.);
      QCOMPARE(obj->fillMode(), Canvas::Stretch);
      delete obj;
  }
  
  void tst_canvas::setTimeout()
  {
      QString componentStr =
              "import Qt 4.7 \n"
              "import com.nokia.qmlcanvas 1.0\n"
              "Canvas {"
              "property int count:0;"
              "function test() { count++; }"
              "Component.onCompleted:setTimeout(test, 0)"
              "}";
      QDeclarativeComponent component(&engine);
      component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
      Canvas *obj = qobject_cast<Canvas*>(component.create());
      QTest::qWait(100);
      QCOMPARE(obj->property("count").toInt(), 1);
      delete obj;
  
      // Starts two timers where the second cancels the first
      componentStr =
              "import Qt 4.7 \n"
              "import com.nokia.qmlcanvas 1.0\n"
              "Canvas {"
              "property int count:0;"
              "function test() { count++ } "
              "function cancel() { clearTimeout(test) } "
              "Component.onCompleted:{ setTimeout(test, 50); setTimeout(cancel, 25); }"
              "}";
      QDeclarativeComponent component2(&engine);
      component2.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
      obj = qobject_cast<Canvas*>(component2.create());
      QTest::qWait(100);
      QCOMPARE(obj->property("count").toInt(), 0);
      delete obj;
  }
  
  void tst_canvas::setInterval()
  {
      QString componentStr =
              "import Qt 4.7 \n"
              "import com.nokia.qmlcanvas 1.0\n"
              "Canvas {"
              "property int count:0;"
              "function test() { count++; }"
              "Component.onCompleted:setInterval(test, 40)"
              "}";
      QDeclarativeComponent component(&engine);
      component.setData(componentStr.toLatin1(), QUrl::fromLocalFile(""));
      Canvas *obj = qobject_cast<Canvas*>(component.create());
      QTest::qWait(100);
      QCOMPARE(obj->property("count").toInt(), 2);
      delete obj;
  }
  
  
  QTEST_MAIN(tst_canvas)
  
  #include "tst_canvas.moc"
  