EventTests.cs :  » GUI » SharpVectorGraphics » SharpVectors » UnitTests » Events » C# / CSharp Open Source

using System;
using NUnit.Framework;
using SharpVectors.Dom.Events;
using SharpVectors.Dom.Svg;

namespace SharpVectors.UnitTests.Events{
  [TestFixture]
  public class EventTests
  {
    SvgDocument doc;
    SvgRectElement rect;
    SvgGElement g;
    int eventStatus = 0;

    [SetUp]
    public void SetUp()
    {
      if(doc == null)
      {
        SvgWindow wnd = new SvgWindow(100, 100, null);
        doc = new SvgDocument(wnd);
        doc.Load("events_01.svg");
        rect = (SvgRectElement)doc.SelectSingleNode("//*[local-name()='rect']");
        g = (SvgGElement)doc.SelectSingleNode("//*[local-name()='g']");
      }
      eventStatus = 0;
    }

    [Test]
    public void EventTarget()
    {
      IEventTarget targ = rect as IEventTarget;
      Assert.IsNotNull(targ);
    }

    [Test]
    public void TestConstructor()
    {
      Event e = new Event("mousemove", true, false);
      Assert.AreEqual("mousemove", e.Type);
      Assert.AreEqual(true, e.Bubbles);
      Assert.AreEqual(false, e.Cancelable);

      e = new Event("dummy", false, true);
      Assert.AreEqual("dummy", e.Type);
      Assert.AreEqual(false, e.Bubbles);
      Assert.AreEqual(true, e.Cancelable);
    }

    [Test]
    public void TestConstructorEmptyType()
    {
      Event e = new Event("", true, false);
    }
    
    [Test]
    public void TestConstructorNullType()
    {
      Event e = new Event(null, true, false);
    }

    private void PropagateHandlerAtTarget(IEvent e)
    {
      Assert.AreSame(rect, e.CurrentTarget);
      Assert.AreEqual(rect, e.Target);
      Assert.AreEqual(EventPhase.AtTarget, e.EventPhase);
      eventStatus = 1;
    }

    private void PropagateHandlerAtG(IEvent e)
    {
      Assert.AreSame(g, e.CurrentTarget);
      Assert.AreEqual(rect, e.Target);
      if(e.EventPhase == EventPhase.CapturingPhase || 
        (e.EventPhase == EventPhase.BubblingPhase && eventStatus == 1))
      {
      }
      else
      {
        Assert.Fail();
      }
      eventStatus = 2;
    }

    [Test]
    public void TestPropagate1()
    {
      ((IEventTarget)rect).AddEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mousemove", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
    }

    [Test]
    public void TestPropagate2()
    {
      ((IEventTarget)g).AddEventListener("mousemove", new EventListener(PropagateHandlerAtG), false);
      ((IEventTarget)rect).AddEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mousemove", true, true));
      Assert.AreEqual(2, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)g).RemoveEventListener("mousemove", new EventListener(PropagateHandlerAtG), false);
    }

    [Test]
    public void TestMouseMove()
    {
      ((IEventTarget)rect).AddEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mousemove", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mousemove", new EventListener(PropagateHandlerAtTarget), false);
    }

    [Test]
    public void TestMouseDown()
    {
      ((IEventTarget)rect).AddEventListener("mousedown", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mousedown", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).AddEventListener("mousedown", new EventListener(PropagateHandlerAtTarget), false);
    }

    [Test]
    public void TestMouseUp()
    {
      ((IEventTarget)rect).AddEventListener("mouseup", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mouseup", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mouseup", new EventListener(PropagateHandlerAtTarget), false);
    }
    
    [Test]
    public void TestMouseOver()
    {
      ((IEventTarget)rect).AddEventListener("mouseover", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mouseover", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mouseover", new EventListener(PropagateHandlerAtTarget), false);
    }

    [Test]
    public void TestMouseOut()
    {
      ((IEventTarget)rect).AddEventListener("mouseout", new EventListener(PropagateHandlerAtTarget), false);
      ((IEventTarget)rect).DispatchEvent(new Event("mouseout", true, true));
      Assert.AreEqual(1, eventStatus);
      ((IEventTarget)rect).RemoveEventListener("mouseout", new EventListener(PropagateHandlerAtTarget), false);
    }
  }
}