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using System;
using System.Collections.Generic;
using Xamarin.Forms;
using NUnit.Framework;
namespace Xamarin.Forms.Xaml.UnitTests
{
public class BaseForEvents : ContentView
{
protected int baseClicked;
protected void HandleClickedOnBase (object sender, EventArgs e)
{
baseClicked++;
}
}
public class ElementWithEvent : ContentView
{
public event EventHandler Clicked;
public void SendClicked ()
{
var eh = Clicked;
if (eh != null)
eh (this, EventArgs.Empty);
}
}
public class ElementWithGenericEvent : ContentView
{
public event EventHandler<ItemTappedEventArgs> Clicked;
public void SendClicked ()
{
var eh = Clicked;
if (eh != null)
eh (this, new ItemTappedEventArgs ("foo", "bar"));
}
}
public partial class EventsConnection : BaseForEvents
{
public EventsConnection ()
{
InitializeComponent ();
}
public EventsConnection (bool useCompiledXaml)
{
//this stub will be replaced at compile time
}
int clicked;
public void HandleClicked (object sender, EventArgs e)
{
clicked++;
}
int genericClicked;
public void HandleGenericClicked (object sender, ItemTappedEventArgs e)
{
genericClicked++;
}
int asyncPrivateClicked;
#pragma warning disable 1998 // considered for removal
async void HandleClickedPrivateAsync (object sender, EventArgs e)
#pragma warning restore 1998
{
asyncPrivateClicked++;
}
[TestFixture]
public class Tests
{
[TestCase (false)]
[TestCase (true)]
public void TestClicked (bool useCompiledXaml)
{
var layout = new EventsConnection (useCompiledXaml);
Assert.AreEqual (0, layout.clicked);
layout.elementWithEvent.SendClicked ();
Assert.AreEqual (1, layout.clicked);
}
[TestCase (false)]
[TestCase (true)]
public void TestGenericClicked (bool useCompiledXaml)
{
var layout = new EventsConnection (useCompiledXaml);
Assert.AreEqual (0, layout.genericClicked);
layout.elementWithGenericEvent.SendClicked ();
Assert.AreEqual (1, layout.genericClicked);
}
[TestCase (false)]
[TestCase (true)]
public void TestHandlerOnBase (bool useCompiledXaml)
{
var layout = new EventsConnection (useCompiledXaml);
Assert.AreEqual (0, layout.baseClicked);
layout.eventHandlerOnBase.SendClicked ();
Assert.AreEqual (1, layout.baseClicked);
}
[TestCase (false)]
[TestCase (true)]
public void TestAsyncPrivateHandler (bool useCompiledXaml)
{
var layout = new EventsConnection (useCompiledXaml);
Assert.AreEqual (0, layout.asyncPrivateClicked);
layout.elementwithAsyncprivateHandler.SendClicked ();
Assert.AreEqual (1, layout.asyncPrivateClicked);
}
}
}
}
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