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

   1 //
   2 // HttpRequestMessageTest.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 System.Text.RegularExpressions;
  33 using NUnit.Framework;
  34 using System.Net.Http;
  35 using System.Net;
  36 using System.Net.Http.Headers;
  37 using System.Linq;
  38
  39 namespace MonoTests.System.Net.Http
  40 {
  41         [TestFixture]
  42         public class HttpRequestMessageTest
  43         {
  44                 [Test]
  45                 public void Ctor_Invalid ()
  46                 {
  47                         try {
  48                                 new HttpRequestMessage (null, "");
  49                                 Assert.Fail ("#1");
  50                         } catch (ArgumentNullException) {
  51                         }
  52                 }
  53
  54                 [Test]
  55                 public void Ctor_Default ()
  56                 {
  57                         var m = new HttpRequestMessage ();
  58                         Assert.IsNull (m.Content, "#1");
  59                         Assert.IsNotNull (m.Headers, "#2");
  60                         Assert.AreEqual (HttpMethod.Get, m.Method, "#3");
  61                         Assert.IsNotNull (m.Properties, "#4");
  62                         Assert.IsNull (m.RequestUri, "#5");
  63                         Assert.AreEqual (new Version (1, 1), m.Version, "#6");
  64
  65                         Assert.AreEqual ("Method: GET, RequestUri: '<null>', Version: 1.1, Content: <null>, Headers:\r\n{\r\n}", m.ToString (), "#7");
  66                 }
  67
  68                 [Test]
  69                 public void Ctor_Uri ()
  70                 {
  71                         var c = new HttpRequestMessage (HttpMethod.Get, new Uri ("http://xamarin.com"));
  72                         Assert.AreEqual ("http://xamarin.com/", c.RequestUri.AbsoluteUri, "#1");
  73
  74                         c = new HttpRequestMessage (HttpMethod.Get, new Uri ("https://xamarin.com"));
  75                         Assert.AreEqual ("https://xamarin.com/", c.RequestUri.AbsoluteUri, "#2");
  76
  77                         c = new HttpRequestMessage (HttpMethod.Get, new Uri ("HTTP://xamarin.com:8080"));
  78                         Assert.AreEqual ("http://xamarin.com:8080/", c.RequestUri.AbsoluteUri, "#3");
  79
  80                         var a = Uri.UriSchemeHttps;
  81                         var b = new Uri ("http://xamarin.com");
  82
  83                         try {
  84                                 new HttpRequestMessage (HttpMethod.Get, new Uri ("ftp://xamarin.com"));
  85                                 Assert.Fail ("#4");
  86                         } catch (ArgumentException) {
  87                         }
  88                 }
  89
  90                 [Test]
  91                 public void Ctor_RelativeUri ()
  92                 {
  93                         var client = new HttpClient ();
  94                         client.BaseAddress = new Uri ("http://en.wikipedia.org/wiki/");
  95                         var uri = new Uri ("Computer", UriKind.Relative);
  96                         var req = new HttpRequestMessage (HttpMethod.Get, uri);
  97                         // HttpRequestMessage does not rewrite it here.
  98                         Assert.AreEqual (req.RequestUri, uri);
  99                 }
 100
 101                 [Test]
 102                 public void Ctor_RelativeUriString ()
 103                 {
 104                         var client = new HttpClient ();
 105                         client.BaseAddress = new Uri ("http://en.wikipedia.org/wiki/");
 106                         var req = new HttpRequestMessage (HttpMethod.Get, "Computer");
 107                         // HttpRequestMessage does not rewrite it here.
 108                         Assert.IsFalse (req.RequestUri.IsAbsoluteUri);
 109                 }
 110
 111                 [Test]
 112                 public void Headers ()
 113                 {
 114                         HttpRequestMessage message = new HttpRequestMessage ();
 115                         HttpRequestHeaders headers = message.Headers;
 116
 117                         headers.Accept.Add (new MediaTypeWithQualityHeaderValue ("audio/x"));
 118                         headers.AcceptCharset.Add (new StringWithQualityHeaderValue ("str-v", 0.002));
 119                         headers.AcceptEncoding.Add (new StringWithQualityHeaderValue ("str-enc", 0.44));
 120                         headers.AcceptLanguage.Add (new StringWithQualityHeaderValue ("str-lang", 0.41));
 121                         headers.Authorization = new AuthenticationHeaderValue ("sh-aut", "par");
 122                         headers.CacheControl = new CacheControlHeaderValue () {
 123                                 MaxAge = TimeSpan.MaxValue
 124                         };
 125                         headers.Connection.Add ("test-value");
 126                         headers.ConnectionClose = true;
 127                         headers.Date = new DateTimeOffset (DateTime.Today);
 128                         headers.Expect.Add (new NameValueWithParametersHeaderValue ("en", "ev"));
 129                         headers.ExpectContinue = true;
 130                         headers.From = "webmaster@w3.org";
 131                         headers.Host = "host";
 132                         headers.IfMatch.Add (new EntityTagHeaderValue ("\"tag\"", true));
 133                         headers.IfModifiedSince = new DateTimeOffset (DateTime.Today);
 134                         headers.IfNoneMatch.Add (new EntityTagHeaderValue ("\"tag2\"", true));
 135                         headers.IfRange = new RangeConditionHeaderValue (new DateTimeOffset (DateTime.Today));
 136                         headers.IfUnmodifiedSince = new DateTimeOffset? (DateTimeOffset.Now);
 137                         headers.MaxForwards = 0x15b3;
 138                         headers.Pragma.Add (new NameValueHeaderValue ("name", "value"));
 139                         headers.ProxyAuthorization = new AuthenticationHeaderValue ("s", "p");
 140                         headers.Range = new RangeHeaderValue (5L, 30L);
 141                         headers.Referrer = new Uri ("http://xamarin.com");
 142                         headers.TE.Add (new TransferCodingWithQualityHeaderValue ("TE", 0.3));
 143                         headers.Trailer.Add ("value");
 144                         headers.TransferEncoding.Add (new TransferCodingHeaderValue ("tchv"));
 145                         headers.TransferEncodingChunked = true;
 146                         headers.Upgrade.Add (new ProductHeaderValue ("prod", "ver"));
 147                         headers.UserAgent.Add (new ProductInfoHeaderValue ("(comment)"));
 148                         headers.Via.Add (new ViaHeaderValue ("protocol", "rec-by"));
 149                         headers.Warning.Add (new WarningHeaderValue (5, "agent", "\"txt\""));
 150
 151                         try {
 152                                 headers.Add ("authorization", "");
 153                                 Assert.Fail ("Authorization");
 154                         } catch (FormatException) {
 155                         }
 156
 157                         try {
 158                                 headers.Add ("connection", "extra ß ");
 159                                 Assert.Fail ("Date");
 160                         } catch (FormatException) {
 161                         }
 162
 163                         try {
 164                                 headers.Add ("date", "");
 165                                 Assert.Fail ("Date");
 166                         } catch (FormatException) {
 167                         }
 168
 169                         try {
 170                                 headers.Add ("from", "a@w3.org");
 171                                 Assert.Fail ("From");
 172                         } catch (FormatException) {
 173                         }
 174
 175                         try {
 176                                 headers.Add ("hOst", "host");
 177                                 Assert.Fail ("Host");
 178                         } catch (FormatException) {
 179                         }
 180
 181                         try {
 182                                 headers.Add ("if-modified-since", "");
 183                                 Assert.Fail ("if-modified-since");
 184                         } catch (FormatException) {
 185                         }
 186
 187                         try {
 188                                 headers.Add ("if-range", "");
 189                                 Assert.Fail ("if-range");
 190                         } catch (FormatException) {
 191                         }
 192
 193                         try {
 194                                 headers.Add ("if-unmodified-since", "");
 195                                 Assert.Fail ("if-unmodified-since");
 196                         } catch (FormatException) {
 197                         }
 198
 199                         try {
 200                                 headers.Add ("max-forwards", "");
 201                                 Assert.Fail ("max-forwards");
 202                         } catch (FormatException) {
 203                         }
 204
 205                         try {
 206                                 headers.Add ("proxy-authorization", "");
 207                                 Assert.Fail ("proxy-authorization");
 208                         } catch (FormatException) {
 209                         }
 210
 211                         try {
 212                                 headers.Add ("range", "");
 213                         } catch (FormatException) {
 214                         }
 215
 216                         try {
 217                                 headers.Add ("referer", "");
 218                                 Assert.Fail ("referer");
 219                         } catch (FormatException) {
 220                         }
 221
 222                         headers.Add ("accept", "audio/y");
 223                         headers.Add ("accept-charset", "achs");
 224                         headers.Add ("accept-encoding", "aenc");
 225                         headers.Add ("accept-language", "alan");
 226                         headers.Add ("expect", "exp");
 227                         headers.Add ("if-match", "\"v\"");
 228                         headers.Add ("if-none-match", "\"v2\"");
 229                         headers.Add ("pragma", "p");
 230                         headers.Add ("TE", "0.8");
 231                         headers.Add ("trailer", "value2");
 232                         headers.Add ("transfer-encoding", "ttt");
 233                         headers.Add ("upgrade", "uuu");
 234                         headers.Add ("user-agent", "uaua");
 235                         headers.Add ("via", "prot v");
 236                         headers.Add ("warning", "4 ww \"t\"");
 237
 238                         Assert.IsTrue (headers.Accept.SequenceEqual (
 239                                 new[] {
 240                                         new MediaTypeWithQualityHeaderValue ("audio/x"),
 241                                         new MediaTypeWithQualityHeaderValue ("audio/y")
 242                                 }
 243                         ));
 244
 245                         Assert.IsTrue (headers.AcceptCharset.SequenceEqual (
 246                                 new[] {
 247                                         new StringWithQualityHeaderValue ("str-v", 0.002),
 248                                         new StringWithQualityHeaderValue ("achs")
 249                                 }
 250                         ));
 251
 252                         Assert.IsTrue (headers.AcceptEncoding.SequenceEqual (
 253                                 new[] {
 254                                         new StringWithQualityHeaderValue ("str-enc", 0.44),
 255                                         new StringWithQualityHeaderValue ("aenc")
 256                                 }
 257                         ));
 258
 259                         Assert.IsTrue (headers.AcceptLanguage.SequenceEqual (
 260                                 new[] {
 261                                         new StringWithQualityHeaderValue ("str-lang", 0.41),
 262                                         new StringWithQualityHeaderValue ("alan")
 263                                 }
 264                         ));
 265
 266                         Assert.AreEqual (new AuthenticationHeaderValue ("sh-aut", "par"), headers.Authorization);
 267
 268                         var cch = new CacheControlHeaderValue () {
 269                                         MaxAge = TimeSpan.MaxValue,
 270                                 };
 271
 272                         Assert.AreEqual (cch, headers.CacheControl);
 273
 274                         Assert.IsTrue (headers.Connection.SequenceEqual (
 275                                 new string[] { "test-value", "close" }));
 276
 277                         Assert.AreEqual (headers.Date, new DateTimeOffset (DateTime.Today));
 278
 279                         Assert.IsTrue (headers.Expect.SequenceEqual (
 280                                 new [] {
 281                                         new NameValueWithParametersHeaderValue ("en", "ev"),
 282                                         new NameValueWithParametersHeaderValue ("100-continue"),
 283                                         new NameValueWithParametersHeaderValue ("exp")
 284                                 }));
 285
 286                         Assert.AreEqual (headers.From, "webmaster@w3.org");
 287
 288                         Assert.IsTrue (headers.IfMatch.SequenceEqual (
 289                                 new EntityTagHeaderValue[] {
 290                                         new EntityTagHeaderValue ("\"tag\"", true),
 291                                         new EntityTagHeaderValue ("\"v\"", false)
 292                                 }
 293                         ));
 294
 295                         Assert.AreEqual (headers.IfModifiedSince, new DateTimeOffset (DateTime.Today));
 296                         Assert.IsTrue (headers.IfNoneMatch.SequenceEqual (new EntityTagHeaderValue[] { new EntityTagHeaderValue ("\"tag2\"", true), new EntityTagHeaderValue ("\"v2\"", false) }));
 297                         Assert.AreEqual (new DateTimeOffset (DateTime.Today), headers.IfRange.Date);
 298                         Assert.AreEqual (headers.MaxForwards, 0x15b3);
 299                         Assert.IsTrue (headers.Pragma.SequenceEqual (new NameValueHeaderValue[] { new NameValueHeaderValue ("name", "value"), new NameValueHeaderValue ("p", null) }));
 300                         Assert.AreEqual ("p", headers.ProxyAuthorization.Parameter);
 301                         Assert.AreEqual ("s", headers.ProxyAuthorization.Scheme);
 302                         Assert.AreEqual (5, headers.Range.Ranges.First ().From);
 303                         Assert.AreEqual (30, headers.Range.Ranges.First ().To);
 304                         Assert.AreEqual ("bytes", headers.Range.Unit);
 305                         Assert.AreEqual (headers.Referrer, new Uri ("http://xamarin.com"));
 306                         Assert.IsTrue (headers.TE.SequenceEqual (new TransferCodingWithQualityHeaderValue[] { new TransferCodingWithQualityHeaderValue ("TE", 0.3), new TransferCodingWithQualityHeaderValue ("0.8") }), "29");
 307                         Assert.IsTrue (headers.Trailer.SequenceEqual (
 308                                 new string[] {
 309                                         "value", "value2"
 310                                 }), "30");
 311
 312                         Assert.IsTrue (headers.TransferEncoding.SequenceEqual (
 313                                 new[] {
 314                                         new TransferCodingHeaderValue ("tchv"),
 315                                         new TransferCodingHeaderValue ("chunked"),
 316                                         new TransferCodingHeaderValue ("ttt")
 317                                 }
 318                         ));
 319
 320                         Assert.IsTrue (headers.Upgrade.SequenceEqual (
 321                                 new[] {
 322                                         new ProductHeaderValue ("prod", "ver"),
 323                                         new ProductHeaderValue ("uuu")
 324                                 }
 325                         ));
 326
 327                         Assert.IsTrue (headers.UserAgent.SequenceEqual (
 328                                 new[] {
 329                                         new ProductInfoHeaderValue ("(comment)"),
 330                                         new ProductInfoHeaderValue ("uaua", null)
 331                                 }
 332                         ));
 333
 334                         Assert.IsTrue (headers.Via.SequenceEqual (
 335                                 new[] {
 336                                         new ViaHeaderValue ("protocol", "rec-by"),
 337                                         new ViaHeaderValue ("prot", "v")
 338                                 }
 339                         ));
 340
 341                         Assert.IsTrue (headers.Warning.SequenceEqual (
 342                                 new[] {
 343                                         new WarningHeaderValue (5, "agent", "\"txt\""),
 344                                         new WarningHeaderValue (4, "ww", "\"t\"")
 345                                 }
 346                         ));
 347
 348                 }
 349
 350                 [Test]
 351                 public void Header_BaseImplementation ()
 352                 {
 353                         HttpRequestMessage message = new HttpRequestMessage ();
 354                         HttpRequestHeaders headers = message.Headers;
 355
 356                         headers.Add ("a", "a-value");
 357                         headers.Add ("b", new List<string> { "v1", "v2" });
 358                         headers.Add ("c", null as string);
 359                         headers.Add ("d", new string[0]);
 360
 361                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#0");
 362
 363                         Assert.IsFalse (headers.Contains ("nn"), "#1a");
 364                         Assert.IsTrue (headers.Contains ("b"), "#1b");
 365
 366                         var values = headers.GetValues ("b").ToList ();
 367                         Assert.AreEqual ("v1", values[0], "#2a");
 368                         Assert.AreEqual ("v2", values[1], "#2b");
 369
 370                         Assert.IsFalse (headers.Remove ("p"), "#3a");
 371                         Assert.IsTrue (headers.Remove ("b"), "#3b");
 372                         Assert.IsFalse (headers.Contains ("b"), "#3b-c");
 373
 374                         IEnumerable<string> values2;
 375                         Assert.IsTrue (headers.TryGetValues ("c", out values2));
 376                         values = values2.ToList ();
 377                         Assert.AreEqual ("", values[0], "#4a");
 378
 379                         int counter = 0;
 380                         foreach (var i in headers) {
 381                                 ++counter;
 382                         }
 383
 384                         Assert.AreEqual (3, counter, "#5");
 385
 386                         headers.Clear ();
 387
 388                         headers.Accept.Add (new MediaTypeWithQualityHeaderValue ("audio/x"));
 389                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#55");
 390
 391                         values = headers.GetValues ("accept").ToList ();
 392                         Assert.AreEqual (2, values.Count, "#6");
 393                         Assert.AreEqual ("audio/x", values[0], "#6a");
 394                         Assert.AreEqual ("audio", values[1], "#6b");
 395                         Assert.AreEqual (1, headers.Accept.Count, "#6c");
 396
 397                         headers.Clear ();
 398
 399                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", new[] { "a@a.com", "ssss@oo.com" }), "#70");
 400                         values = headers.GetValues ("from").ToList ();
 401
 402                         Assert.AreEqual (2, values.Count, "#7");
 403                         Assert.AreEqual ("a@a.com", values[0], "#7a");
 404                         Assert.AreEqual ("ssss@oo.com", values[1], "#7b");
 405                         Assert.AreEqual ("a@a.com", headers.From, "#7c");
 406
 407                         headers.Clear ();
 408
 409                         Assert.IsTrue (headers.TryAddWithoutValidation ("Date", "wrong date"), "#8-0");
 410                         var value = headers.Date;
 411                         Assert.IsNull (headers.Date, "#8");
 412                 }
 413
 414                 [Test]
 415                 public void Headers_Invalid ()
 416                 {
 417                         HttpRequestMessage message = new HttpRequestMessage ();
 418                         HttpRequestHeaders headers = message.Headers;
 419
 420                         try {
 421                                 headers.Add ("Allow", "");
 422                                 Assert.Fail ("#1");
 423                         } catch (InvalidOperationException) {
 424                         }
 425
 426                         try {
 427                                 headers.Add (null, "");
 428                                 Assert.Fail ("#2");
 429                         } catch (ArgumentException) {
 430                         }
 431
 432                         try {
 433                                 headers.Add ("mm", null as IEnumerable<string>);
 434                                 Assert.Fail ("#2b");
 435                         } catch (ArgumentNullException) {
 436                         }
 437
 438                         try {
 439                                 headers.Add ("accept", "audio");
 440                                 Assert.Fail ("#2c");
 441                         } catch (FormatException) {
 442                         }
 443
 444                         Assert.IsFalse (headers.TryAddWithoutValidation ("Allow", ""), "#3"); ;
 445
 446                         Assert.IsFalse (headers.TryAddWithoutValidation (null, ""), "#4");
 447
 448                         try {
 449                                 headers.Contains (null);
 450                                 Assert.Fail ("#5");
 451                         } catch (ArgumentException) {
 452                         }
 453
 454                         try {
 455                                 headers.GetValues (null);
 456                                 Assert.Fail ("#6a");
 457                         } catch (ArgumentException) {
 458                         }
 459
 460                         try {
 461                                 headers.GetValues ("bbbb");
 462                                 Assert.Fail ("#6b");
 463                         } catch (InvalidOperationException) {
 464                         }
 465
 466                         try {
 467                                 headers.Add ("from", new[] { "a@a.com", "ssss@oo.com" });
 468                                 Assert.Fail ("#7a");
 469                         } catch (FormatException) {
 470                         }
 471
 472                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", "a@a.com"), "#7-0");
 473                         try {
 474                                 headers.Add ("from", "valid@w3.org");
 475                                 Assert.Fail ("#7b");
 476                         } catch (FormatException) {
 477                         }
 478                 }
 479
 480                 [Test]
 481                 public void Headers_Response ()
 482                 {
 483                         HttpRequestMessage message = new HttpRequestMessage ();
 484                         HttpRequestHeaders headers = message.Headers;
 485
 486                         headers.Add ("Age", "vv");
 487                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#1");
 488
 489                         headers.Clear ();
 490                         headers.TryAddWithoutValidation ("Age", "vv");
 491                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#2");
 492
 493                         // .NET encloses the "Age: vv" with two whitespaces.
 494                         var normalized = Regex.Replace (message.ToString (), @"\s", "");
 495                         Assert.AreEqual ("Method:GET,RequestUri:'<null>',Version:1.1,Content:<null>,Headers:{Age:vv}", normalized, "#3");
 496                 }
 497
 498                 [Test]
 499                 public void Headers_ExpectContinue ()
 500                 {
 501                         HttpRequestMessage message = new HttpRequestMessage ();
 502                         HttpRequestHeaders headers = message.Headers;
 503                         Assert.IsNull (headers.ExpectContinue, "#1");
 504
 505                         headers.ExpectContinue = false;
 506                         Assert.IsFalse (headers.ExpectContinue.Value, "#2");
 507
 508                         headers.Clear ();
 509
 510                         headers.ExpectContinue = true;
 511                         headers.ExpectContinue = true;
 512                         headers.ExpectContinue = true;
 513                         headers.ExpectContinue = true;
 514                         Assert.IsTrue (headers.ExpectContinue.Value, "#3");
 515                         Assert.AreEqual (1, headers.GetValues ("expect").ToList ().Count, "#4");
 516
 517                         headers.Clear ();
 518                         headers.Expect.Add (new NameValueWithParametersHeaderValue ("100-conTinuE"));
 519                         Assert.IsTrue (headers.ExpectContinue.Value, "#5");
 520                 }
 521
 522                 [Test]
 523                 public void Headers_ConnectionClose ()
 524                 {
 525                         HttpRequestMessage message = new HttpRequestMessage ();
 526                         HttpRequestHeaders headers = message.Headers;
 527                         Assert.IsNull (headers.ConnectionClose, "#1");
 528
 529                         headers.ConnectionClose = false;
 530                         Assert.IsFalse (headers.ConnectionClose.Value, "#2");
 531
 532                         headers.Clear ();
 533
 534                         headers.ConnectionClose = true;
 535                         Assert.IsTrue (headers.ConnectionClose.Value, "#3");
 536
 537                         headers.Clear ();
 538                         headers.Connection.Add ("Close");
 539                         Assert.IsTrue (headers.ConnectionClose.Value, "#4");
 540                 }
 541
 542                 [Test]
 543                 public void Headers_From_Invalid ()
 544                 {
 545                         HttpRequestMessage message = new HttpRequestMessage ();
 546                         HttpRequestHeaders headers = message.Headers;
 547                         headers.From = null;
 548                         headers.From = "";
 549                         try {
 550                                 headers.From = " ";
 551                                 Assert.Fail ("#1");
 552                         } catch (FormatException) {
 553                         }
 554                         try {
 555                                 headers.From = "test";
 556                                 Assert.Fail ("#2");
 557                         } catch (FormatException) {
 558                         }
 559                 }
 560
 561                 [Test]
 562                 public void Headers_TransferEncodingChunked ()
 563                 {
 564                         HttpRequestMessage message = new HttpRequestMessage ();
 565                         HttpRequestHeaders headers = message.Headers;
 566                         Assert.IsNull (headers.TransferEncodingChunked, "#1");
 567
 568                         headers.TransferEncodingChunked = false;
 569                         Assert.IsFalse (headers.TransferEncodingChunked.Value, "#2");
 570
 571                         headers.Clear ();
 572
 573                         headers.TransferEncodingChunked = true;
 574                         Assert.IsTrue (headers.TransferEncodingChunked.Value, "#3");
 575                         Assert.AreEqual (1, headers.TransferEncoding.Count, "#3b");
 576                 }
 577
 578                 [Test]
 579                 public void Properties ()
 580                 {
 581                         var c = new HttpRequestMessage ();
 582                         c.Content = null;
 583                         c.Method = HttpMethod.Post;
 584                         c.Properties.Add ("a", "test");
 585                         c.RequestUri = null;
 586                         c.Version = HttpVersion.Version10;
 587
 588                         Assert.IsNull (c.Content, "#1");
 589                         Assert.AreEqual (HttpMethod.Post, c.Method, "#2");
 590                         Assert.AreEqual ("test", c.Properties["a"], "#3");
 591                         Assert.IsNull (c.RequestUri, "#4");
 592                         Assert.AreEqual (HttpVersion.Version10, c.Version, "#5");
 593                 }
 594
 595                 [Test]
 596                 public void Properties_Invalid ()
 597                 {
 598                         var c = new HttpRequestMessage ();
 599                         try {
 600                                 c.Method = null;
 601                                 Assert.Fail ("#1");
 602                         } catch (ArgumentNullException) {
 603                         }
 604
 605                         try {
 606                                 c.RequestUri = new Uri ("ftp://xamarin.com");
 607                                 Assert.Fail ("#2");
 608                         } catch (ArgumentException) {
 609                         }
 610
 611                         try {
 612                                 c.Version = null;
 613                                 Assert.Fail ("#3");
 614                         } catch (ArgumentNullException) {
 615                         }
 616                 }
 617         }
 618 }