public void CancelReceiveAsync()
{
// Arrange
var endpoint = new NonDisposableEndpoint();
var safetyCt = new CancellationTokenSource(MaxTaskTimeout);
var testCt = new CancellationTokenSource(MaxTaskTimeout / 2);
Task receiveTask1;
Task receiveTask2;
Task receiveTask3;
// Ack
using (var client = new CoapClient(endpoint))
{
receiveTask1 = client.ReceiveAsync(testCt.Token);
receiveTask2 = client.ReceiveAsync(testCt.Token);
receiveTask3 = client.ReceiveAsync(testCt.Token);
Task.Run(() =>
{
// Assert
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask1, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask2, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
Assert.ThrowsAsync <TaskCanceledException>(
async() => await receiveTask3, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
}, safetyCt.Token).Wait();
}
Assert.That(testCt.IsCancellationRequested, Is.True, "The test's CancellationToken should have timed out.");
Assert.That(safetyCt.IsCancellationRequested, Is.False, "The test's safety CancellationToken timed out");
}
public void DisposeCoapClient_With_NonDisposableEndpoint()
{
// Arrange
var endpoint = new NonDisposableEndpoint();
var client = new CoapClient(endpoint);
Task receiveTask;
var ct = new CancellationTokenSource(MaxTaskTimeout);
// Ack
receiveTask = client.ReceiveAsync(ct.Token);
client.Dispose();
// Assert
Assert.ThrowsAsync <CoapEndpointException>(async() => await receiveTask, $"{nameof(CoapClient.ReceiveAsync)} did not throw an {nameof(CoapEndpointException)} when {nameof(CoapClient)} was disposed.");
Assert.That(ct.IsCancellationRequested, Is.False, "The test's safety CancellationToken timed out");
}
public void DisposeCoapClient_With_NonDisposableEndpoint()
{
// Arrange
var endpoint = new NonDisposableEndpoint();
Task receiveTask;
var ct = new CancellationTokenSource(MaxTaskTimeout);
// Ack
using (var client = new CoapClient(endpoint))
{
receiveTask = client.ReceiveAsync(ct.Token);
}
// Assert
Assert.ThrowsAsync <TaskCanceledException>(async() => await receiveTask);
Assert.That(ct.IsCancellationRequested, Is.False, "The test's safety CancellationToken timed out");
}
