public async Task Expect100Continue_WaitsExpectedPeriodOfTimeBeforeSendingContent()
{
await LoopbackServerFactory.CreateClientAndServerAsync(async uri =>
{
using (var handler = CreateHttpClientHandler())
using (var invoker = new HttpMessageInvoker(handler))
{
var socketsHandler = GetUnderlyingSocketsHttpHandler(handler);
TimeSpan delay = TimeSpan.FromSeconds(3);
socketsHandler.Expect100ContinueTimeout = delay;
var tcs = new TaskCompletionSource <bool>();
var content = new SetTcsContent(new MemoryStream(new byte[1]), tcs);
var request = new HttpRequestMessage(HttpMethod.Post, uri)
{
Content = content, Version = UseVersion
};
request.Headers.ExpectContinue = true;
long start = Environment.TickCount64;
(await invoker.SendAsync(TestAsync, request, default)).Dispose();
long elapsed = content.Ticks - start;
Assert.True(elapsed >= delay.TotalMilliseconds);
}
}, async server =>
{
await server.AcceptConnectionAsync(async connection =>
{
await connection.HandleRequestAsync();
});
});
}
public async Task Expect100Continue_WaitsExpectedPeriodOfTimeBeforeSendingContent()
{
await LoopbackServer.CreateClientAndServerAsync(async uri =>
{
using (var handler = new SocketsHttpHandler())
using (var invoker = new HttpMessageInvoker(handler))
{
TimeSpan delay = TimeSpan.FromSeconds(3);
handler.Expect100ContinueTimeout = delay;
var tcs = new TaskCompletionSource <bool>();
var content = new SetTcsContent(new MemoryStream(new byte[1]), tcs);
var request = new HttpRequestMessage(HttpMethod.Post, uri)
{
Content = content, Version = UseVersion
};
request.Headers.ExpectContinue = true;
var sw = Stopwatch.StartNew();
(await invoker.SendAsync(TestAsync, request, default)).Dispose();
sw.Stop();
Assert.InRange(sw.Elapsed, delay - TimeSpan.FromSeconds(.5), delay * 20); // arbitrary wiggle room
}
}, async server =>
{
await server.AcceptConnectionAsync(async connection =>
{
await connection.ReadRequestHeaderAsync();
await connection.ReadAsync(new byte[1], 0, 1);
await connection.SendResponseAsync();
});
});
}
