mcs/class/System.Net.Http/Test/System.Net.Http/HttpClientTest.cs

   1 //
   2 // HttpClientTest.cs
   3 //
   4 // Authors:
   5 //      Marek Safar  <marek.safar@gmail.com>
   6 //
   7 // Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.Collections.Generic;
  32 using NUnit.Framework;
  33 using System.Net.Http;
  34 using System.Net.Http.Headers;
  35 using System.Threading;
  36 using System.Threading.Tasks;
  37 using System.Net;
  38 using System.Linq;
  39 using System.IO;
  40
  41 namespace MonoTests.System.Net.Http
  42 {
  43         [TestFixture]
  44         public class HttpClientTest
  45         {
  46                 class HttpMessageHandlerMock : HttpMessageHandler
  47                 {
  48                         public Func<HttpRequestMessage, Task<HttpResponseMessage>> OnSend;
  49                         public Func<HttpRequestMessage, CancellationToken, Task<HttpResponseMessage>> OnSendFull;
  50
  51                         public HttpMessageHandlerMock ()
  52                         {
  53                         }
  54
  55                         protected override Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
  56                         {
  57                                 if (OnSend != null)
  58                                         return OnSend (request);
  59
  60                                 if (OnSendFull != null)
  61                                         return OnSendFull (request, cancellationToken);
  62
  63                                 Assert.Fail ("Send");
  64                                 return null;
  65                         }
  66                 }
  67
  68                 class HttpClientHandlerMock : HttpClientHandler
  69                 {
  70                         public Func<HttpRequestMessage, Task<HttpResponseMessage>> OnSend;
  71                         public Func<HttpRequestMessage, CancellationToken, Task<HttpResponseMessage>> OnSendFull;
  72
  73                         protected override Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
  74                         {
  75                                 if (OnSend != null)
  76                                         return OnSend (request);
  77
  78                                 if (OnSendFull != null)
  79                                         return OnSendFull (request, cancellationToken);
  80
  81                                 Assert.Fail ("Send");
  82                                 return null;
  83                         }
  84                 }
  85
  86                 class CustomStream : Stream
  87                 {
  88                         public override void Flush ()
  89                         {
  90                                 throw new NotImplementedException ();
  91                         }
  92
  93                         int pos;
  94
  95                         public override int Read (byte[] buffer, int offset, int count)
  96                         {
  97                                 ++pos;
  98                                 if (pos > 4)
  99                                         return 0;
 100
 101                                 return 11;
 102                         }
 103
 104                         public override long Seek (long offset, SeekOrigin origin)
 105                         {
 106                                 throw new NotImplementedException ();
 107                         }
 108
 109                         public override void SetLength (long value)
 110                         {
 111                                 throw new NotImplementedException ();
 112                         }
 113
 114                         public override void Write (byte[] buffer, int offset, int count)
 115                         {
 116                                 throw new NotImplementedException ();
 117                         }
 118
 119                         public override bool CanRead {
 120                                 get {
 121                                         return true;
 122                                 }
 123                         }
 124
 125                         public override bool CanSeek {
 126                                 get {
 127                                         return false;
 128                                 }
 129                         }
 130
 131                         public override bool CanWrite {
 132                                 get {
 133                                         throw new NotImplementedException ();
 134                                 }
 135                         }
 136
 137                         public override long Length {
 138                                 get {
 139                                         throw new NotImplementedException ();
 140                                 }
 141                         }
 142
 143                         public override long Position {
 144                                 get {
 145                                         throw new NotImplementedException ();
 146                                 }
 147                                 set {
 148                                         throw new NotImplementedException ();
 149                                 }
 150                         }
 151                 }
 152
 153                 const int WaitTimeout = 5000;
 154
 155                 string port, TestHost, LocalServer;
 156
 157                 [SetUp]
 158                 public void SetupFixture ()
 159                 {
 160                         if (Environment.OSVersion.Platform == PlatformID.Win32NT) {
 161                                 port = "810";
 162                         } else {
 163                                 port = "8810";
 164                         }
 165
 166                         TestHost = "localhost:" + port;
 167                         LocalServer = string.Format ("http://{0}/", TestHost);
 168                 }
 169
 170                 [Test]
 171                 public void Ctor_Default ()
 172                 {
 173                         var client = new HttpClient ();
 174                         Assert.IsNull (client.BaseAddress, "#1");
 175                         Assert.IsNotNull (client.DefaultRequestHeaders, "#2");  // TODO: full check
 176                         Assert.AreEqual (int.MaxValue, client.MaxResponseContentBufferSize, "#3");
 177                         Assert.AreEqual (TimeSpan.FromSeconds (100), client.Timeout, "#4");
 178                 }
 179
 180                 [Test]
 181                 public void CancelPendingRequests ()
 182                 {
 183                         var mh = new HttpMessageHandlerMock ();
 184
 185                         var client = new HttpClient (mh);
 186                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 187                         var mre = new ManualResetEvent (false);
 188
 189                         mh.OnSendFull = (l, c) => {
 190                                 mre.Set ();
 191                                 Assert.IsTrue (c.WaitHandle.WaitOne (1000), "#20");
 192                                 Assert.IsTrue (c.IsCancellationRequested, "#21");
 193                                 mre.Set ();
 194                                 return Task.FromResult (new HttpResponseMessage ());
 195                         };
 196
 197                         var t = Task.Factory.StartNew (() => {
 198                                 client.SendAsync (request).Wait (WaitTimeout);
 199                         });
 200
 201                         Assert.IsTrue (mre.WaitOne (500), "#1");
 202                         mre.Reset ();
 203                         client.CancelPendingRequests ();
 204                         Assert.IsTrue (t.Wait (500), "#2");
 205
 206                         request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 207                         mh.OnSendFull = (l, c) => {
 208                                 Assert.IsFalse (c.IsCancellationRequested, "#30");
 209                                 return Task.FromResult (new HttpResponseMessage ());
 210                         };
 211
 212                         client.SendAsync (request).Wait (WaitTimeout);
 213                 }
 214
 215                 [Test]
 216                 public void CancelPendingRequests_BeforeSend ()
 217                 {
 218                         var ct = new CancellationTokenSource ();
 219                         ct.Cancel ();
 220                         var rr = CancellationTokenSource.CreateLinkedTokenSource (new CancellationToken (), ct.Token);
 221
 222
 223                         var mh = new HttpMessageHandlerMock ();
 224
 225                         var client = new HttpClient (mh);
 226                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 227                         client.CancelPendingRequests ();
 228
 229                         mh.OnSendFull = (l, c) => {
 230                                 Assert.IsFalse (c.IsCancellationRequested, "#30");
 231                                 return Task.FromResult (new HttpResponseMessage ());
 232                         };
 233
 234                         client.SendAsync (request).Wait (WaitTimeout);
 235
 236                         request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 237                         client.SendAsync (request).Wait (WaitTimeout);
 238                 }
 239
 240
 241                 [Test]
 242                 public void CancelRequestViaProxy ()
 243                 {
 244                         var handler = new HttpClientHandler {
 245                                 Proxy = new WebProxy ("192.168.10.25:8888/"), // proxy that doesn't exist
 246                                 UseProxy = true,
 247                                 AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
 248                         };
 249
 250                         var httpClient = new HttpClient (handler) {
 251                                 BaseAddress = new Uri ("https://google.com"),
 252                                 Timeout = TimeSpan.FromMilliseconds (1)
 253                         };
 254
 255                         try {
 256                                 var restRequest = new HttpRequestMessage {
 257                                         Method = HttpMethod.Post,
 258                                         RequestUri = new Uri("foo", UriKind.Relative),
 259                                         Content = new StringContent("", null, "application/json")
 260                                 };
 261
 262                                 httpClient.PostAsync (restRequest.RequestUri, restRequest.Content).Wait (WaitTimeout);
 263                                 Assert.Fail ("#1");
 264                         } catch (AggregateException e) {
 265                                 Assert.IsTrue (e.InnerException is TaskCanceledException, "#2");
 266                         }
 267                 }
 268
 269                 [Test]
 270                 public void Properties ()
 271                 {
 272                         var client = new HttpClient ();
 273                         client.BaseAddress = null;
 274                         client.MaxResponseContentBufferSize = int.MaxValue;
 275                         client.Timeout = Timeout.InfiniteTimeSpan;
 276
 277                         Assert.IsNull (client.BaseAddress, "#1");
 278                         Assert.AreEqual (int.MaxValue, client.MaxResponseContentBufferSize, "#2");
 279                         Assert.AreEqual (Timeout.InfiniteTimeSpan, client.Timeout, "#3");
 280                 }
 281
 282                 [Test]
 283                 public void Properties_Invalid ()
 284                 {
 285                         var client = new HttpClient ();
 286                         try {
 287                                 client.MaxResponseContentBufferSize = 0;
 288                                 Assert.Fail ("#1");
 289                         } catch (ArgumentOutOfRangeException) {
 290                         }
 291
 292                         try {
 293                                 client.Timeout = TimeSpan.MinValue;
 294                                 Assert.Fail ("#2");
 295                         } catch (ArgumentOutOfRangeException) {
 296                         }
 297                 }
 298
 299                 [Test]
 300                 public void Send ()
 301                 {
 302                         var mh = new HttpMessageHandlerMock ();
 303
 304                         var client = new HttpClient (mh);
 305                         client.BaseAddress = new Uri ("http://xamarin.com");
 306                         var request = new HttpRequestMessage ();
 307                         var response = new HttpResponseMessage ();
 308
 309                         mh.OnSend = l => {
 310                                 Assert.AreEqual (l, request, "#2");
 311                                 Assert.AreEqual (client.BaseAddress, l.RequestUri, "#2");
 312                                 return Task.FromResult (response);
 313                         };
 314
 315                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 316                 }
 317
 318                 [Test]
 319                 public void Send_DefaultRequestHeaders ()
 320                 {
 321                         var mh = new HttpMessageHandlerMock ();
 322
 323                         var client = new HttpClient (mh);
 324                         client.DefaultRequestHeaders.Referrer = new Uri ("http://google.com");
 325
 326                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 327                         var response = new HttpResponseMessage ();
 328
 329                         mh.OnSend = l => {
 330                                 Assert.AreEqual (client.DefaultRequestHeaders.Referrer, l.Headers.Referrer, "#2");
 331                                 Assert.IsNotNull (l.Headers.Referrer, "#3");
 332                                 return Task.FromResult (response);
 333                         };
 334
 335                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 336                 }
 337
 338                 [Test]
 339                 public void Send_Complete_Default ()
 340                 {
 341                         bool? failed = null;
 342                         var listener = CreateListener (l => {
 343                                 try {
 344                                         var request = l.Request;
 345
 346                                         Assert.IsNull (request.AcceptTypes, "#1");
 347                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 348                                         Assert.IsNull (request.ContentType, "#3");
 349                                         Assert.AreEqual (0, request.Cookies.Count, "#4");
 350                                         Assert.IsFalse (request.HasEntityBody, "#5");
 351                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6b");
 352                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 353                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 354                                         Assert.IsTrue (request.IsLocal, "#9");
 355                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 356                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 357                                         Assert.IsTrue (request.KeepAlive, "#12");
 358                                         Assert.AreEqual (HttpVersion.Version11, request.ProtocolVersion, "#13");
 359                                         Assert.IsNull (request.ServiceName, "#14");
 360                                         Assert.IsNull (request.UrlReferrer, "#15");
 361                                         Assert.IsNull (request.UserAgent, "#16");
 362                                         Assert.IsNull (request.UserLanguages, "#17");
 363                                         failed = false;
 364                                 } catch {
 365                                         failed = true;
 366                                 }
 367                         });
 368
 369                         try {
 370                                 var client = new HttpClient ();
 371                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 372                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 373
 374                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 375                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 376                                 Assert.AreEqual (false, failed, "#102");
 377                         } finally {
 378                                 listener.Close ();
 379                         }
 380                 }
 381
 382                 [Test]
 383                 public void Send_Complete_Version_1_0 ()
 384                 {
 385                         bool? failed = null;
 386
 387                         var listener = CreateListener (l => {
 388                                 try {
 389                                         var request = l.Request;
 390
 391                                         Assert.IsNull (request.AcceptTypes, "#1");
 392                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 393                                         Assert.IsNull (request.ContentType, "#3");
 394                                         Assert.AreEqual (0, request.Cookies.Count, "#4");
 395                                         Assert.IsFalse (request.HasEntityBody, "#5");
 396                                         Assert.AreEqual (1, request.Headers.Count, "#6");
 397                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6a");
 398                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 399                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 400                                         Assert.IsTrue (request.IsLocal, "#9");
 401                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 402                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 403                                         Assert.IsFalse (request.KeepAlive, "#12");
 404                                         Assert.AreEqual (HttpVersion.Version10, request.ProtocolVersion, "#13");
 405                                         Assert.IsNull (request.ServiceName, "#14");
 406                                         Assert.IsNull (request.UrlReferrer, "#15");
 407                                         Assert.IsNull (request.UserAgent, "#16");
 408                                         Assert.IsNull (request.UserLanguages, "#17");
 409                                         failed = false;
 410                                 } catch {
 411                                         failed = true;
 412                                 }
 413                         });
 414
 415                         try {
 416                                 var client = new HttpClient ();
 417                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 418                                 request.Version = HttpVersion.Version10;
 419                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 420
 421                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 422                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 423                                 Assert.AreEqual (false, failed, "#102");
 424                         } finally {
 425                                 listener.Close ();
 426                         }
 427                 }
 428
 429                 [Test]
 430                 public void Send_Complete_ClientHandlerSettings ()
 431                 {
 432                         bool? failed = null;
 433
 434                         var listener = CreateListener (l => {
 435                                 var request = l.Request;
 436
 437                                 try {
 438                                         Assert.IsNull (request.AcceptTypes, "#1");
 439                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 440                                         Assert.IsNull (request.ContentType, "#3");
 441                                         Assert.AreEqual (1, request.Cookies.Count, "#4");
 442                                         Assert.AreEqual (new Cookie ("mycookie", "vv"), request.Cookies[0], "#4a");
 443                                         Assert.IsFalse (request.HasEntityBody, "#5");
 444                                         Assert.AreEqual (4, request.Headers.Count, "#6");
 445                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6a");
 446                                         Assert.AreEqual ("gzip", request.Headers["Accept-Encoding"], "#6b");
 447                                         Assert.AreEqual ("mycookie=vv", request.Headers["Cookie"], "#6c");
 448                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 449                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 450                                         Assert.IsTrue (request.IsLocal, "#9");
 451                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 452                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 453                                         Assert.IsTrue (request.KeepAlive, "#12");
 454                                         Assert.AreEqual (HttpVersion.Version10, request.ProtocolVersion, "#13");
 455                                         Assert.IsNull (request.ServiceName, "#14");
 456                                         Assert.IsNull (request.UrlReferrer, "#15");
 457                                         Assert.IsNull (request.UserAgent, "#16");
 458                                         Assert.IsNull (request.UserLanguages, "#17");
 459                                         failed = false;
 460                                 } catch {
 461                                         failed = true;
 462                                 }
 463                         });
 464
 465                         try {
 466                                 var chandler = new HttpClientHandler ();
 467                                 chandler.AllowAutoRedirect = true;
 468                                 chandler.AutomaticDecompression = DecompressionMethods.GZip;
 469                                 chandler.MaxAutomaticRedirections = 33;
 470                                 chandler.MaxRequestContentBufferSize = 5555;
 471                                 chandler.PreAuthenticate = true;
 472                                 chandler.CookieContainer.Add (new Uri (LocalServer), new Cookie ( "mycookie", "vv"));
 473                                 chandler.UseCookies = true;
 474                                 chandler.UseDefaultCredentials = true;
 475                                 chandler.Proxy = new WebProxy ("ee");
 476                                 chandler.UseProxy = true;
 477
 478                                 var client = new HttpClient (chandler);
 479                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 480                                 request.Version = HttpVersion.Version10;
 481                                 request.Headers.Add ("Keep-Alive", "false");
 482                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 483
 484                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 485                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 486                                 Assert.AreEqual (false, failed, "#102");
 487                         } finally {
 488                                 listener.Abort ();
 489                                 listener.Close ();
 490                         }
 491                 }
 492
 493                 [Test]
 494                 public void Send_Complete_CustomHeaders ()
 495                 {
 496                         bool? failed = null;
 497
 498                         var listener = CreateListener (l => {
 499                                 var request = l.Request;
 500                                 try {
 501                                         Assert.AreEqual ("vv", request.Headers["aa"], "#1");
 502
 503                                         var response = l.Response;
 504                                         response.Headers.Add ("rsp", "rrr");
 505                                         response.Headers.Add ("upgrade", "vvvvaa");
 506                                         response.Headers.Add ("Date", "aa");
 507                                         response.Headers.Add ("cache-control", "audio");
 508
 509                                         response.StatusDescription = "test description";
 510                                         response.ProtocolVersion = HttpVersion.Version10;
 511                                         response.SendChunked = true;
 512                                         response.RedirectLocation = "w3.org";
 513
 514                                         failed = false;
 515                                 } catch {
 516                                         failed = true;
 517                                 }
 518                         });
 519
 520                         try {
 521                                 var client = new HttpClient ();
 522                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 523                                 Assert.IsTrue (request.Headers.TryAddWithoutValidation ("aa", "vv"), "#0");
 524                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 525
 526                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 527                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 528
 529                                 IEnumerable<string> values;
 530                                 Assert.IsTrue (response.Headers.TryGetValues ("rsp", out values), "#102");
 531                                 Assert.AreEqual ("rrr", values.First (), "#102a");
 532
 533                                 Assert.IsTrue (response.Headers.TryGetValues ("Transfer-Encoding", out values), "#103");
 534                                 Assert.AreEqual ("chunked", values.First (), "#103a");
 535                                 Assert.AreEqual (true, response.Headers.TransferEncodingChunked, "#103b");
 536
 537                                 Assert.IsTrue (response.Headers.TryGetValues ("Date", out values), "#104");
 538                                 Assert.AreEqual (1, values.Count (), "#104b");
 539                                 // .NET overwrites Date, Mono does not
 540                                 // Assert.IsNotNull (response.Headers.Date, "#104c");
 541
 542                                 Assert.AreEqual (new ProductHeaderValue ("vvvvaa"), response.Headers.Upgrade.First (), "#105");
 543
 544                                 Assert.AreEqual ("audio", response.Headers.CacheControl.Extensions.First ().Name, "#106");
 545
 546                                 Assert.AreEqual ("w3.org", response.Headers.Location.OriginalString, "#107");
 547
 548                                 Assert.AreEqual ("test description", response.ReasonPhrase, "#110");
 549                                 Assert.AreEqual (HttpVersion.Version11, response.Version, "#111");
 550
 551                                 Assert.AreEqual (false, failed, "#112");
 552                         } finally {
 553                                 listener.Close ();
 554                         }
 555                 }
 556
 557                 [Test]
 558                 public void Send_Complete_Content ()
 559                 {
 560                         var listener = CreateListener (l => {
 561                                 var request = l.Request;
 562                                 l.Response.OutputStream.WriteByte (55);
 563                                 l.Response.OutputStream.WriteByte (75);
 564                         });
 565
 566                         try {
 567                                 var client = new HttpClient ();
 568                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 569                                 Assert.IsTrue (request.Headers.TryAddWithoutValidation ("aa", "vv"), "#0");
 570                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 571
 572                                 Assert.AreEqual ("7K", response.Content.ReadAsStringAsync ().Result, "#100");
 573                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 574
 575                                 IEnumerable<string> values;
 576                                 Assert.IsTrue (response.Headers.TryGetValues ("Transfer-Encoding", out values), "#102");
 577                                 Assert.AreEqual ("chunked", values.First (), "#102a");
 578                                 Assert.AreEqual (true, response.Headers.TransferEncodingChunked, "#102b");
 579                         } finally {
 580                                 listener.Close ();
 581                         }
 582                 }
 583
 584                 [Test]
 585                 public void Send_Complete_Content_MaxResponseContentBufferSize ()
 586                 {
 587                         var listener = CreateListener (l => {
 588                                 var request = l.Request;
 589                                 var b = new byte[4000];
 590                                 l.Response.OutputStream.Write (b, 0, b.Length);
 591                         });
 592
 593                         try {
 594                                 var client = new HttpClient ();
 595                                 client.MaxResponseContentBufferSize = 1000;
 596                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 597                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 598
 599                                 Assert.AreEqual (4000, response.Content.ReadAsStringAsync ().Result.Length, "#100");
 600                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 601                         } finally {
 602                                 listener.Close ();
 603                         }
 604                 }
 605
 606                 [Test]
 607                 public void Send_Complete_Content_MaxResponseContentBufferSize_Error ()
 608                 {
 609                         var listener = CreateListener (l => {
 610                                 var request = l.Request;
 611                                 var b = new byte[4000];
 612                                 l.Response.OutputStream.Write (b, 0, b.Length);
 613                         });
 614
 615                         try {
 616                                 var client = new HttpClient ();
 617                                 client.MaxResponseContentBufferSize = 1000;
 618                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 619
 620                                 try {
 621                                         client.SendAsync (request, HttpCompletionOption.ResponseContentRead).Wait (WaitTimeout);
 622                                         Assert.Fail ("#2");
 623                                 } catch (AggregateException e) {
 624                                         Assert.IsTrue (e.InnerException is HttpRequestException, "#3");
 625                                 }
 626
 627                         } finally {
 628                                 listener.Close ();
 629                         }
 630                 }
 631
 632                 [Test]
 633                 public void Send_Complete_NoContent ()
 634                 {
 635                         foreach (var method in new HttpMethod[] { HttpMethod.Post, HttpMethod.Put, HttpMethod.Delete }) {
 636                                 bool? failed = null;
 637                                 var listener = CreateListener (l => {
 638                                         try {
 639                                                 var request = l.Request;
 640
 641                                                 Assert.AreEqual (2, request.Headers.Count, "#1");
 642                                                 Assert.AreEqual ("0", request.Headers ["Content-Length"], "#1b");
 643                                                 Assert.AreEqual (method.Method, request.HttpMethod, "#2");
 644                                                 failed = false;
 645                                         } catch {
 646                                                 failed = true;
 647                                         }
 648                                 });
 649
 650                                 try {
 651                                         var client = new HttpClient ();
 652                                         var request = new HttpRequestMessage (method, LocalServer);
 653                                         var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 654
 655                                         Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 656                                         Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 657                                         Assert.AreEqual (false, failed, "#102");
 658                                 } finally {
 659                                         listener.Close ();
 660                                 }
 661                         }
 662                 }
 663
 664                 [Test]
 665                 public void Send_Complete_Error ()
 666                 {
 667                         var listener = CreateListener (l => {
 668                                 var response = l.Response;
 669                                 response.StatusCode = 500;
 670                         });
 671
 672                         try {
 673                                 var client = new HttpClient ();
 674                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 675                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 676
 677                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 678                                 Assert.AreEqual (HttpStatusCode.InternalServerError, response.StatusCode, "#101");
 679                         } finally {
 680                                 listener.Close ();
 681                         }
 682                 }
 683
 684                 [Test]
 685                 public void Send_Content_Get ()
 686                 {
 687                         var listener = CreateListener (l => {
 688                                 var request = l.Request;
 689                                 l.Response.OutputStream.WriteByte (72);
 690                         });
 691
 692                         try {
 693                                 var client = new HttpClient ();
 694                                 var r = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 695                                 var response = client.SendAsync (r).Result;
 696
 697                                 Assert.AreEqual ("H", response.Content.ReadAsStringAsync ().Result);
 698                         } finally {
 699                                 listener.Close ();
 700                         }
 701                 }
 702
 703                 [Test]
 704                 public void Send_Content_BomEncoding ()
 705                 {
 706                         var listener = CreateListener (l => {
 707                                 var request = l.Request;
 708
 709                                 var str = l.Response.OutputStream;
 710                                 str.WriteByte (0xEF);
 711                                 str.WriteByte (0xBB);
 712                                 str.WriteByte (0xBF);
 713                                 str.WriteByte (71);
 714                         });
 715
 716                         try {
 717                                 var client = new HttpClient ();
 718                                 var r = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 719                                 var response = client.SendAsync (r).Result;
 720
 721                                 Assert.AreEqual ("G", response.Content.ReadAsStringAsync ().Result);
 722                         } finally {
 723                                 listener.Close ();
 724                         }
 725                 }
 726
 727                 [Test]
 728                 public void Send_Content_Put ()
 729                 {
 730                         bool passed = false;
 731                         var listener = CreateListener (l => {
 732                                 var request = l.Request;
 733                                 passed = 7 == request.ContentLength64;
 734                                 passed &= request.ContentType == "text/plain; charset=utf-8";
 735                                 passed &= request.InputStream.ReadByte () == 'm';
 736                         });
 737
 738                         try {
 739                                 var client = new HttpClient ();
 740                                 var r = new HttpRequestMessage (HttpMethod.Put, LocalServer);
 741                                 r.Content = new StringContent ("my text");
 742                                 var response = client.SendAsync (r).Result;
 743
 744                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#1");
 745                                 Assert.IsTrue (passed, "#2");
 746                         } finally {
 747                                 listener.Abort ();
 748                                 listener.Close ();
 749                         }
 750                 }
 751
 752                 [Test]
 753                 public void Send_Content_Put_CustomStream ()
 754                 {
 755                         bool passed = false;
 756                         var listener = CreateListener (l => {
 757                                 var request = l.Request;
 758                                 passed = 44 == request.ContentLength64;
 759                                 passed &= request.ContentType == null;
 760                         });
 761
 762                         try {
 763                                 var client = new HttpClient ();
 764                                 var r = new HttpRequestMessage (HttpMethod.Put, LocalServer);
 765                                 r.Content = new StreamContent (new CustomStream ());
 766                                 var response = client.SendAsync (r).Result;
 767
 768                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#1");
 769                                 Assert.IsTrue (passed, "#2");
 770                         } finally {
 771                                 listener.Abort ();
 772
 773                                 listener.Close ();
 774                         }
 775                 }
 776
 777                 [Test]
 778                 public void Send_Timeout ()
 779                 {
 780                         var mh = new HttpMessageHandlerMock ();
 781
 782                         var client = new HttpClient (mh);
 783                         client.Timeout = TimeSpan.FromMilliseconds (100);
 784                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 785                         var response = new HttpResponseMessage ();
 786
 787                         mh.OnSendFull = (l, c) => {
 788                                 Assert.IsTrue (c.WaitHandle.WaitOne (500), "#2");
 789                                 return Task.FromResult (response);
 790                         };
 791
 792                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 793                 }
 794
 795                 [Test]
 796                 public void Send_Invalid ()
 797                 {
 798                         var client = new HttpClient ();
 799                         try {
 800                                 client.SendAsync (null).Wait (WaitTimeout);
 801                                 Assert.Fail ("#1");
 802                         } catch (ArgumentNullException) {
 803                         }
 804
 805                         try {
 806                                 var request = new HttpRequestMessage ();
 807                                 client.SendAsync (request).Wait (WaitTimeout);
 808                                 Assert.Fail ("#2");
 809                         } catch (InvalidOperationException) {
 810                         }
 811                 }
 812
 813                 [Test]
 814                 public void Send_InvalidHandler ()
 815                 {
 816                         var mh = new HttpMessageHandlerMock ();
 817
 818                         var client = new HttpClient (mh);
 819                         client.BaseAddress = new Uri ("http://xamarin.com");
 820                         var request = new HttpRequestMessage ();
 821
 822                         mh.OnSend = l => {
 823                                 Assert.AreEqual (l, request, "#1");
 824                                 return null;
 825                         };
 826
 827                         try {
 828                                 // Broken by design
 829                                 client.SendAsync (request).Wait (WaitTimeout);
 830                                 Assert.Fail ("#2");
 831                         } catch (Exception) {
 832                         }
 833                 }
 834
 835                 [Test]
 836                 public void Send_SameMessage ()
 837                 {
 838                         var mh = new HttpMessageHandlerMock ();
 839
 840                         var client = new HttpClient (mh);
 841                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 842
 843                         mh.OnSend = l => Task.FromResult (new HttpResponseMessage ());
 844
 845                         client.SendAsync (request).Wait (WaitTimeout);
 846                         try {
 847                                 client.SendAsync (request).Wait (WaitTimeout);
 848                                 Assert.Fail ("#1");
 849                         } catch (InvalidOperationException) {
 850                         }
 851                 }
 852
 853                 [Test]
 854                 public void GetString_RelativeUri ()
 855                 {
 856                         var client = new HttpClient ();
 857                         client.BaseAddress = new Uri ("http://en.wikipedia.org/wiki/");
 858                         var uri = new Uri ("Computer", UriKind.Relative);
 859
 860                         Assert.That (client.GetStringAsync (uri).Result != null);
 861                         Assert.That (client.GetStringAsync ("Computer").Result != null);
 862                 }
 863
 864                 [Test]
 865                 [Category ("MobileNotWorking")] // Missing encoding
 866                 public void GetString_Many ()
 867                 {
 868                         var client = new HttpClient ();
 869                         var t1 = client.GetStringAsync ("http://www.google.com");
 870                         var t2 = client.GetStringAsync ("http://www.google.com");
 871                         Assert.IsTrue (Task.WaitAll (new [] { t1, t2 }, WaitTimeout));
 872                 }
 873
 874                 [Test]
 875                 public void GetByteArray_ServerError ()
 876                 {
 877                         var listener = CreateListener (l => {
 878                                 var response = l.Response;
 879                                 response.StatusCode = 500;
 880                                 l.Response.OutputStream.WriteByte (72);
 881                         });
 882
 883                         try {
 884                                 var client = new HttpClient ();
 885                                 try {
 886                                         client.GetByteArrayAsync (LocalServer).Wait (WaitTimeout);
 887                                         Assert.Fail ("#1");
 888                                 } catch (AggregateException e) {
 889                                         Assert.IsTrue (e.InnerException is HttpRequestException , "#2");
 890                                 }
 891                         } finally {
 892                                 listener.Close ();
 893                         }
 894                 }
 895
 896                 [Test]
 897                 public void DisallowAutoRedirect ()
 898                 {
 899                         var listener = CreateListener (l => {
 900                                 var request = l.Request;
 901                                 var response = l.Response;
 902
 903                                 response.StatusCode = (int)HttpStatusCode.Moved;
 904                                 response.RedirectLocation = "http://xamarin.com/";
 905                         });
 906
 907                         try {
 908                                 var chandler = new HttpClientHandler ();
 909                                 chandler.AllowAutoRedirect = false;
 910                                 var client = new HttpClient (chandler);
 911
 912                                 try {
 913                                         client.GetStringAsync (LocalServer).Wait (WaitTimeout);
 914                                         Assert.Fail ("#1");
 915                                 } catch (AggregateException e) {
 916                                         Assert.IsTrue (e.InnerException is HttpRequestException, "#2");
 917                                 }
 918                         } finally {
 919                                 listener.Abort ();
 920                                 listener.Close ();
 921                         }
 922                 }
 923
 924                 [Test]
 925                 public void RequestUriAfterRedirect ()
 926                 {
 927                         var listener = CreateListener (l => {
 928                                 var request = l.Request;
 929                                 var response = l.Response;
 930
 931                                 response.StatusCode = (int)HttpStatusCode.Moved;
 932                                 response.RedirectLocation = "http://xamarin.com/";
 933                         });
 934
 935                         try {
 936                                 var chandler = new HttpClientHandler ();
 937                                 chandler.AllowAutoRedirect = true;
 938                                 var client = new HttpClient (chandler);
 939
 940                                 var r = client.GetAsync (LocalServer);
 941                                 Assert.IsTrue (r.Wait (WaitTimeout), "#1");
 942                                 var resp = r.Result;
 943                                 Assert.AreEqual ("http://xamarin.com/", resp.RequestMessage.RequestUri.AbsoluteUri, "#2");
 944                         } finally {
 945                                 listener.Abort ();
 946                                 listener.Close ();
 947                         }
 948                 }
 949
 950                 [Test]
 951                 /*
 952                  * Properties may only be modified before sending the first request.
 953                  */
 954                 public void ModifyHandlerAfterFirstRequest ()
 955                 {
 956                         var chandler = new HttpClientHandler ();
 957                         chandler.AllowAutoRedirect = true;
 958                         var client = new HttpClient (chandler, true);
 959
 960                         var listener = CreateListener (l => {
 961                                 var response = l.Response;
 962                                 response.StatusCode = 200;
 963                                 response.OutputStream.WriteByte (55);
 964                         });
 965
 966                         try {
 967                                 client.GetStringAsync (LocalServer).Wait (WaitTimeout);
 968                                 try {
 969                                         chandler.AllowAutoRedirect = false;
 970                                         Assert.Fail ("#1");
 971                                 } catch (InvalidOperationException) {
 972                                         ;
 973                                 }
 974                         } finally {
 975                                 listener.Abort ();
 976                                 listener.Close ();
 977                         }
 978                 }
 979
 980                 [Test]
 981                 /*
 982                  * However, this policy is not enforced for custom handlers and there
 983                  * is also no way a derived class could tell its HttpClientHandler parent
 984                  * that it just sent a request.
 985                  *
 986                  */
 987                 public void ModifyHandlerAfterFirstRequest_Mock ()
 988                 {
 989                         var ch = new HttpClientHandlerMock ();
 990                         ch.AllowAutoRedirect = true;
 991
 992                         var client = new HttpClient (ch);
 993
 994                         ch.OnSend = (l) => {
 995                                 return Task.FromResult (new HttpResponseMessage ());
 996                         };
 997
 998                         client.GetAsync ("http://xamarin.com").Wait (WaitTimeout);
 999                         ch.AllowAutoRedirect = false;
1000                 }
1001
1002                 HttpListener CreateListener (Action<HttpListenerContext> contextAssert)
1003                 {
1004                         var l = new HttpListener ();
1005                         l.Prefixes.Add (string.Format ("http://+:{0}/", port));
1006                         l.Start ();
1007                         l.BeginGetContext (ar => {
1008                                 var ctx = l.EndGetContext (ar);
1009
1010                                 try {
1011                                         if (contextAssert != null)
1012                                                 contextAssert (ctx);
1013                                 } finally {
1014                                         ctx.Response.Close ();
1015                                 }
1016                         }, null);
1017
1018                         return l;
1019                 }
1020         }
1021 }