public async Task ComputeHashAsync_SupportsCancellation()
{
using (CancellationTokenSource cancellationSource = new CancellationTokenSource(100))
using (PositionValueStream stream = new SlowPositionValueStream(10000))
using (HashAlgorithm hash = new SummingTestHashAlgorithm())
{
await Assert.ThrowsAnyAsync <OperationCanceledException>(
() => hash.ComputeHashAsync(stream, cancellationSource.Token));
}
}
public void ComputeHashAsync_Disposed()
{
using (PositionValueStream stream = new SlowPositionValueStream(10000))
using (HashAlgorithm hash = new SummingTestHashAlgorithm())
{
hash.Dispose();
Assert.Throws <ObjectDisposedException>(
() =>
{
// Not returning or awaiting the Task, it never got created.
hash.ComputeHashAsync(stream);
});
}
}