public void CompletionIsCanceledAfterCancellation()
{
var sut = new BufferedChannel <int>(2);
sut.Terminate();
sut.Completion.IsCanceled.ShouldBe(true);
sut.Completion.Exception.ShouldBeNull();
}
public void FailCancelsWriteTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryWriteAsync(1);
var task2 = sut.TryWriteAsync(1);
sut.Terminate(new InvalidOperationException());
Should.Throw <InvalidOperationException>(task1, Timeout1Sec);
Should.Throw <InvalidOperationException>(task2, Timeout1Sec);
}
public void FailCancelsReadTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryReadAsync();
var task2 = sut.TryReadAsync();
sut.Terminate(new InvalidOperationException());
Should.Throw <InvalidOperationException>(task1.AsTask(), Timeout1Sec);
Should.Throw <InvalidOperationException>(task2.AsTask(), Timeout1Sec);
}
public void CancellationCancelsWriteTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryWriteAsync(1);
var task2 = sut.TryWriteAsync(1);
sut.Terminate();
Should.Throw <OperationCanceledException>(task1, Timeout1Sec);
Should.Throw <OperationCanceledException>(task2, Timeout1Sec);
}
public void CancellationCancelsReadTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryReadAsync();
var task2 = sut.TryReadAsync();
sut.Terminate();
Should.Throw <OperationCanceledException>(task1.AsTask(), Timeout1Sec);
Should.Throw <OperationCanceledException>(task2.AsTask(), Timeout1Sec);
}
public void CompletionHasErrorAfterFail()
{
var sut = new BufferedChannel <int>(2);
var exception = new ArgumentOutOfRangeException();
sut.Terminate(exception);
sut.Completion.IsFaulted.ShouldBe(true);
sut.Completion.Exception.ShouldNotBe(null);
sut.Completion.Exception.InnerException.ShouldBe(exception);
}
public void FailCancelsWriteTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryWriteSafeAsync(1);
var task2 = sut.TryWriteSafeAsync(1);
sut.Terminate(new InvalidOperationException());
task1.Result.ShouldBeFalse();
task2.Result.ShouldBeFalse();
}
public void CancellationCancelsWriteTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryWriteSafeAsync(1);
var task2 = sut.TryWriteSafeAsync(1);
sut.Terminate();
task1.Result.ShouldBeFalse();
task2.Result.ShouldBeFalse();
}
public void CancellationCancelsReadTasks()
{
var sut = new BufferedChannel <int>(0);
var task1 = sut.TryReadSafeAsync();
var task2 = sut.TryReadSafeAsync();
sut.Terminate();
task1.Result.HasValue.ShouldBeFalse();
task2.Result.HasValue.ShouldBeFalse();
}
public void TerminationCompletesChannelWithException()
{
var sut = new BufferedChannel <int>(2);
sut.TryWrite(1);
sut.TryWrite(2);
sut.Terminate(new InvalidOperationException());
sut.Completion.IsCompleted.ShouldBe(false);
sut.TryRead(out int _).ShouldBe(true);
sut.TryRead(out int _).ShouldBe(true);
Should.Throw <InvalidOperationException>(() => sut.TryReadAsync().AsTask(), Timeout1Sec);
sut.Completion.IsFaulted.ShouldBeTrue();
}
public void CancellationCompletesChannel()
{
var sut = new BufferedChannel <int>(2);
sut.TryWrite(1);
sut.TryWrite(2);
sut.Terminate();
sut.Completion.IsCompleted.ShouldBe(false);
sut.TryRead(out int _).ShouldBe(true);
sut.TryRead(out int _).ShouldBe(true);
Should.Throw <TaskCanceledException>(sut.TryReadAsync().AsTask(), Timeout1Sec);
sut.Completion.IsCanceled.ShouldBeTrue();
}
public void FailCompletesChannelEvenIfBufferIsNotEmpty()
{
var sut = new BufferedChannel <int>(2);
sut.TryWriteSafe(1);
sut.TryWriteSafe(2);
sut.Terminate(new InvalidOperationException());
sut.Completion.IsCompleted.ShouldBe(false);
sut.TryReadSafe(out int _).ShouldBe(true);
sut.TryReadSafe(out int _).ShouldBe(true);
var result = Should.CompleteIn(() => sut.TryReadSafeAsync().AsTask(), TimeSpan.FromSeconds(1));
result.HasValue.ShouldBeFalse();
sut.Completion.IsFaulted.ShouldBeTrue();
}
public void CancellationCompletesChannel()
{
var sut = new BufferedChannel <int>(2);
sut.TryWriteSafe(1);
sut.TryWriteSafe(2);
sut.Terminate();
sut.Completion.IsCompleted.ShouldBe(false);
sut.TryReadSafe(out int _).ShouldBe(true);
sut.TryReadSafe(out int _).ShouldBe(true);
var result = sut.TryReadSafeAsync().ShouldCompleteIn(Timeout1Sec);
result.HasValue.ShouldBeFalse();
sut.Completion.IsCanceled.ShouldBeTrue();
}
