public async Task EnsureTasksCancelledWhenDisposed()
{
const int NumberOfTasks = 10;
var sequencer = new SequentialTaskExecutor();
var tasks = new List <Task>();
for (int i = 0; i < NumberOfTasks; i++)
{
int num = i;
tasks.Add(sequencer.ExecuteTask(async() =>
{
public async Task EnsureTasksCancelledWhenDisposed()
{
const int NumberOfTasks = 10;
var sequencer = new SequentialTaskExecutor();
var tasks = new List <Task>();
for (int i = 0; i < NumberOfTasks; i++)
{
int num = i;
tasks.Add(sequencer.ExecuteTask(async() =>
{
async Task func()
{
await Task.Delay(100);
}
await func();
}));
}
sequencer.Dispose();
bool mustBeCancelled = false;
try
{
await Task.WhenAll(tasks.ToArray());
}
catch (OperationCanceledException)
{
for (int i = 0; i < NumberOfTasks; i++)
{
// The first task or two may already be running. So we skip completed tasks until we find
// one that is is cancelled
if (mustBeCancelled)
{
Assert.True(tasks[i].IsCanceled);
}
else
{
// All remaining tasks should be cancelled
mustBeCancelled = tasks[i].IsCanceled;
}
}
}
Assert.True(mustBeCancelled);
}