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// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System;
using System.Reactive;
using System.Reactive.Linq;
using Microsoft.Reactive.Testing;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace ReactiveTests.Tests
{
[TestClass]
public class EventPatternSourceBaseTest
{
[TestMethod]
public void ArgumentChecking()
{
var xs = Observable.Empty<EventPattern<object, EventArgs>>();
ReactiveAssert.Throws<ArgumentNullException>(() => new MyEventPatternSource(null, (a, x) => { }));
ReactiveAssert.Throws<ArgumentNullException>(() => new MyEventPatternSource(xs, null));
var e = new MyEventPatternSource(xs, (a, x) => { });
e.GetInvoke = h => (_, __) => { };
ReactiveAssert.Throws<ArgumentNullException>(() => e.OnNext += null);
e.GetInvoke = h => null;
ReactiveAssert.Throws<ArgumentNullException>(() => e.OnNext += (_, __) => { });
e.GetInvoke = null;
ReactiveAssert.Throws<ArgumentNullException>(() => e.OnNext -= null);
}
}
class MyEventPatternSource : EventPatternSourceBase<object, EventArgs>
{
public MyEventPatternSource(IObservable<EventPattern<object, EventArgs>> source, Action<Action<object, EventArgs>, EventPattern<object, EventArgs>> invokeHandler)
: base(source, invokeHandler)
{
}
public Func<EventHandler<EventArgs>, Action<object, EventArgs>> GetInvoke;
public event EventHandler<EventArgs> OnNext
{
add
{
base.Add(value, GetInvoke(value));
}
remove
{
Remove(value);
}
}
}
}
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