public void CancellingInputTokenCancelsIssuedToken()
{
var cts = new CancellationTokenSource();
using var series = new CancellationSeries();
var token = series.CreateNext(cts.Token);
Assert.False(token.IsCancellationRequested);
cts.Cancel();
Assert.True(token.IsCancellationRequested);
}
public void CreateNext_ReturnsCancelledTokenIfInputTokenAlreadyCancelled()
{
var cts = new CancellationTokenSource();
using (var series = new CancellationSeries())
{
cts.Cancel();
var token = series.CreateNext(cts.Token);
Assert.True(token.IsCancellationRequested);
}
}
public void CreateNext_HandlesExceptionsFromPreviousTokenRegistration()
{
using var series = new CancellationSeries();
var token1 = series.CreateNext();
var exception = new Exception();
token1.Register(() => throw exception);
var aggregateException = Assert.Throws <AggregateException>(() => series.CreateNext());
Assert.Same(exception, aggregateException.InnerExceptions.Single());
Assert.True(token1.IsCancellationRequested);
}
public void CreateNext_CancelsPreviousToken()
{
using var series = new CancellationSeries();
var token1 = series.CreateNext();
Assert.False(token1.IsCancellationRequested);
var token2 = series.CreateNext();
Assert.True(token1.IsCancellationRequested);
Assert.False(token2.IsCancellationRequested);
var token3 = series.CreateNext();
Assert.True(token2.IsCancellationRequested);
Assert.False(token3.IsCancellationRequested);
}
/// <summary>
/// Creates an instance of the TaskDelayScheduler. If an originalSourceToken is passed, it will be linked to the PendingUpdateTokenSource so
/// that cancelling that token will also flow through and cancel a pending update.
/// </summary>
public TaskDelayScheduler(TimeSpan taskDelayTime, IProjectThreadingService threadService, CancellationToken originalSourceToken)
{
_taskDelayTime = taskDelayTime;
_threadingService = threadService;
_cancellationSeries = new CancellationSeries(originalSourceToken);
}
