public async Task BlockedWritesShouldUnblockOnStreamCancel()
{
var inPipe = new BufferedPipe(1024);
var outPipe = new BufferedPipe(1024);
// Create a stream. It will have a flow control window of 64kb
// for stream and connection
var res = await ServerStreamTests.StreamCreator.CreateConnectionAndStream(
StreamState.Open, loggerProvider, inPipe, outPipe);
// Initiate response by sending and consuming headers
await res.stream.WriteHeadersAsync(
DefaultStatusHeaders, false);
await outPipe.ReadAndDiscardHeaders(1u, false);
// Start discarding all ougoing data -> Not needed for this test
// and pipe may not be blocked
var readTask = Task.Run(async() =>
{
await outPipe.ReadAllToArrayWithTimeout();
});
// Write flow control window amount of data
await res.stream.WriteWithTimeout(new ArraySegment <byte>(new byte[65535]));
var resetTask = Task.Run(async() =>
{
await Task.Delay(20);
res.stream.Cancel();
});
// Write additional bytes. This should block and cause a streamreset
// exception when the cancel arrives
await Assert.ThrowsAsync <StreamResetException>(async() =>
{
await res.stream.WriteAsync(new ArraySegment <byte>(new byte[1024]));
});
}
