public async Task InvokeAsync_DerivedEventArgsWithFaultedBackgroundTasks_ShouldCompleteFaulted()
{
// Arrange.
var error = new Exception();
DerivedEvent += (sender, e) => e.RegisterBackgroundTask(Task.CompletedTask);
DerivedEvent += (sender, e) => e.RegisterBackgroundTask(async cancellationToken =>
{
await Task.Yield();
cancellationToken.ThrowIfCancellationRequested();
});
DerivedEvent += (sender, e) => e.RegisterBackgroundTask(async cancellationToken =>
{
await Task.Yield();
throw error;
});
using (var cancellationSource = new CancellationTokenSource())
{
cancellationSource.Cancel();
// Act.
var args = new DerivedEventArgs(cancellationSource.Token);
var thrown = await Assert.ThrowsAsync <Exception>(() => DerivedEvent.InvokeAsync(this, args));
// Assert.
Assert.Equal(error, thrown);
}
}
public async Task InvokeAsync_DerivedEventArgsWithSucceededBackgroundTasks_ShouldCompleteSucceeded()
{
// Arrange.
DerivedEvent += (sender, e) => e.RegisterBackgroundTask(Task.CompletedTask);
// Act.
var args = new DerivedEventArgs(CancellationToken.None);
await DerivedEvent.InvokeAsync(this, args);
}
public static void GotDerivedEvent()
{
var x = new RaisingClass();
var args = new DerivedEventArgs();
var evt = Assert.RaisesAny <EventArgs>(
h => x.Completed += h,
h => x.Completed -= h,
() => x.RaiseWithArgs(args));
Assert.NotNull(evt);
Assert.Equal(x, evt.Sender);
Assert.Equal(args, evt.Arguments);
}
public static async Task GotDerivedEvent()
{
var x = new RaisingClass();
var args = new DerivedEventArgs();
var evt = await Assert.RaisesAnyAsync <EventArgs>(
h => x.Completed += h,
h => x.Completed -= h,
() => Task.Run(() => x.RaiseWithArgs(args)));
Assert.NotNull(evt);
Assert.Equal(x, evt.Sender);
Assert.Equal(args, evt.Arguments);
}
public static void GotDerivedEvent()
{
var x = new RaisingClass();
var args = new DerivedEventArgs();
var evt = Assert.RaisesAny<EventArgs>(
h => x.Completed += h,
h => x.Completed -= h,
() => x.RaiseWithArgs(args));
Assert.NotNull(evt);
Assert.Equal(x, evt.Sender);
Assert.Equal(args, evt.Arguments);
}
public static async Task GotDerivedEvent()
{
var x = new RaisingClass();
var args = new DerivedEventArgs();
var evt = await Assert.RaisesAnyAsync<EventArgs>(
h => x.Completed += h,
h => x.Completed -= h,
() => Task.Run(() => x.RaiseWithArgs(args)));
Assert.NotNull(evt);
Assert.Equal(x, evt.Sender);
Assert.Equal(args, evt.Arguments);
}
