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                         try {
 223                                 headers.Add ("pragma", "nocache,RequestID=1,g=");
 224                                 Assert.Fail ("pragma");
 225                         } catch (FormatException) {
 226                         }
 227
 228                         headers.Add ("accept", "audio/y");
 229                         headers.Add ("accept-charset", "achs");
 230                         headers.Add ("accept-encoding", "aenc");
 231                         headers.Add ("accept-language", "alan");
 232                         headers.Add ("expect", "exp");
 233                         headers.Add ("if-match", "\"v\"");
 234                         headers.Add ("if-none-match", "\"v2\"");
 235                         headers.Add ("TE", "0.8");
 236                         headers.Add ("trailer", "value2");
 237                         headers.Add ("transfer-encoding", "ttt");
 238                         headers.Add ("upgrade", "uuu");
 239                         headers.Add ("user-agent", "uaua");
 240                         headers.Add ("via", "prot v");
 241                         headers.Add ("warning", "4 ww \"t\"");
 242                         headers.Add ("pragma", "nocache,R=1,g");
 243
 244                         Assert.IsTrue (headers.Accept.SequenceEqual (
 245                                 new[] {
 246                                         new MediaTypeWithQualityHeaderValue ("audio/x"),
 247                                         new MediaTypeWithQualityHeaderValue ("audio/y")
 248                                 }
 249                         ));
 250
 251                         Assert.IsTrue (headers.AcceptCharset.SequenceEqual (
 252                                 new[] {
 253                                         new StringWithQualityHeaderValue ("str-v", 0.002),
 254                                         new StringWithQualityHeaderValue ("achs")
 255                                 }
 256                         ));
 257
 258                         Assert.IsTrue (headers.AcceptEncoding.SequenceEqual (
 259                                 new[] {
 260                                         new StringWithQualityHeaderValue ("str-enc", 0.44),
 261                                         new StringWithQualityHeaderValue ("aenc")
 262                                 }
 263                         ));
 264
 265                         Assert.IsTrue (headers.AcceptLanguage.SequenceEqual (
 266                                 new[] {
 267                                         new StringWithQualityHeaderValue ("str-lang", 0.41),
 268                                         new StringWithQualityHeaderValue ("alan")
 269                                 }
 270                         ));
 271
 272                         Assert.AreEqual (new AuthenticationHeaderValue ("sh-aut", "par"), headers.Authorization);
 273
 274                         var cch = new CacheControlHeaderValue () {
 275                                         MaxAge = TimeSpan.MaxValue,
 276                                 };
 277
 278                         Assert.AreEqual (cch, headers.CacheControl);
 279
 280                         Assert.IsTrue (headers.Connection.SequenceEqual (
 281                                 new string[] { "test-value", "close" }));
 282
 283                         Assert.AreEqual (headers.Date, new DateTimeOffset (DateTime.Today));
 284
 285                         Assert.IsTrue (headers.Expect.SequenceEqual (
 286                                 new [] {
 287                                         new NameValueWithParametersHeaderValue ("en", "ev"),
 288                                         new NameValueWithParametersHeaderValue ("100-continue"),
 289                                         new NameValueWithParametersHeaderValue ("exp")
 290                                 }));
 291
 292                         Assert.AreEqual (headers.From, "webmaster@w3.org");
 293
 294                         Assert.IsTrue (headers.IfMatch.SequenceEqual (
 295                                 new EntityTagHeaderValue[] {
 296                                         new EntityTagHeaderValue ("\"tag\"", true),
 297                                         new EntityTagHeaderValue ("\"v\"", false)
 298                                 }
 299                         ));
 300
 301                         Assert.AreEqual (headers.IfModifiedSince, new DateTimeOffset (DateTime.Today));
 302                         Assert.IsTrue (headers.IfNoneMatch.SequenceEqual (new EntityTagHeaderValue[] { new EntityTagHeaderValue ("\"tag2\"", true), new EntityTagHeaderValue ("\"v2\"", false) }));
 303                         Assert.AreEqual (new DateTimeOffset (DateTime.Today), headers.IfRange.Date);
 304                         Assert.AreEqual (headers.MaxForwards, 0x15b3);
 305                         Assert.AreEqual ("p", headers.ProxyAuthorization.Parameter);
 306                         Assert.AreEqual ("s", headers.ProxyAuthorization.Scheme);
 307                         Assert.AreEqual (5, headers.Range.Ranges.First ().From);
 308                         Assert.AreEqual (30, headers.Range.Ranges.First ().To);
 309                         Assert.AreEqual ("bytes", headers.Range.Unit);
 310                         Assert.AreEqual (headers.Referrer, new Uri ("http://xamarin.com"));
 311                         Assert.IsTrue (headers.TE.SequenceEqual (new TransferCodingWithQualityHeaderValue[] { new TransferCodingWithQualityHeaderValue ("TE", 0.3), new TransferCodingWithQualityHeaderValue ("0.8") }), "29");
 312                         Assert.IsTrue (headers.Trailer.SequenceEqual (
 313                                 new string[] {
 314                                         "value", "value2"
 315                                 }), "30");
 316
 317                         Assert.IsTrue (headers.TransferEncoding.SequenceEqual (
 318                                 new[] {
 319                                         new TransferCodingHeaderValue ("tchv"),
 320                                         new TransferCodingHeaderValue ("chunked"),
 321                                         new TransferCodingHeaderValue ("ttt")
 322                                 }
 323                         ));
 324
 325                         Assert.IsTrue (headers.Upgrade.SequenceEqual (
 326                                 new[] {
 327                                         new ProductHeaderValue ("prod", "ver"),
 328                                         new ProductHeaderValue ("uuu")
 329                                 }
 330                         ));
 331
 332                         Assert.IsTrue (headers.UserAgent.SequenceEqual (
 333                                 new[] {
 334                                         new ProductInfoHeaderValue ("(comment)"),
 335                                         new ProductInfoHeaderValue ("uaua", null)
 336                                 }
 337                         ));
 338
 339                         Assert.IsTrue (headers.Via.SequenceEqual (
 340                                 new[] {
 341                                         new ViaHeaderValue ("protocol", "rec-by"),
 342                                         new ViaHeaderValue ("prot", "v")
 343                                 }
 344                         ));
 345
 346                         Assert.IsTrue (headers.Warning.SequenceEqual (
 347                                 new[] {
 348                                         new WarningHeaderValue (5, "agent", "\"txt\""),
 349                                         new WarningHeaderValue (4, "ww", "\"t\"")
 350                                 }
 351                         ));
 352
 353                         Assert.IsTrue (headers.Pragma.SequenceEqual (
 354                                 new[] {
 355                                         new NameValueHeaderValue ("name", "value"),
 356                                         new NameValueHeaderValue ("nocache", null),
 357                                         new NameValueHeaderValue ("R", "1"),
 358                                         new NameValueHeaderValue ("g", null)
 359                                 }
 360                         ));
 361                 }
 362
 363                 [Test]
 364                 public void Headers_Complex ()
 365                 {
 366                         HttpRequestMessage message = new HttpRequestMessage ();
 367                         HttpRequestHeaders headers = message.Headers;
 368
 369                         headers.Add ("user-Agent", "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.62 Safari/537.36");
 370
 371
 372                         Assert.AreEqual (6, headers.UserAgent.Count);
 373
 374                         Assert.IsTrue (headers.UserAgent.SequenceEqual (
 375                                 new[] {
 376                                         new ProductInfoHeaderValue ("Mozilla", "5.0"),
 377                                         new ProductInfoHeaderValue ("(Macintosh; Intel Mac OS X 10_8_4)"),
 378                                         new ProductInfoHeaderValue ("AppleWebKit", "537.36"),
 379                                         new ProductInfoHeaderValue ("(KHTML, like Gecko)"),
 380                                         new ProductInfoHeaderValue ("Chrome", "29.0.1547.62"),
 381                                         new ProductInfoHeaderValue ("Safari", "537.36")
 382                                 }
 383                         ));
 384                 }
 385
 386                 [Test]
 387                 public void Header_BaseImplementation ()
 388                 {
 389                         HttpRequestMessage message = new HttpRequestMessage ();
 390                         HttpRequestHeaders headers = message.Headers;
 391
 392                         headers.Add ("a", "a-value");
 393                         headers.Add ("b", new List<string> { "v1", "v2" });
 394                         headers.Add ("c", null as string);
 395                         headers.Add ("d", new string[0]);
 396
 397                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#0");
 398
 399                         Assert.IsFalse (headers.Contains ("nn"), "#1a");
 400                         Assert.IsTrue (headers.Contains ("b"), "#1b");
 401
 402                         var values = headers.GetValues ("b").ToList ();
 403                         Assert.AreEqual ("v1", values[0], "#2a");
 404                         Assert.AreEqual ("v2", values[1], "#2b");
 405
 406                         Assert.IsFalse (headers.Remove ("p"), "#3a");
 407                         Assert.IsTrue (headers.Remove ("b"), "#3b");
 408                         Assert.IsFalse (headers.Contains ("b"), "#3b-c");
 409
 410                         IEnumerable<string> values2;
 411                         Assert.IsTrue (headers.TryGetValues ("c", out values2));
 412                         values = values2.ToList ();
 413                         Assert.AreEqual ("", values[0], "#4a");
 414
 415                         int counter = 0;
 416                         foreach (var i in headers) {
 417                                 ++counter;
 418                         }
 419
 420                         Assert.AreEqual (3, counter, "#5");
 421
 422                         headers.Clear ();
 423
 424                         headers.Accept.Add (new MediaTypeWithQualityHeaderValue ("audio/x"));
 425                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#55");
 426
 427                         values = headers.GetValues ("accept").ToList ();
 428                         Assert.AreEqual (2, values.Count, "#6");
 429                         Assert.AreEqual ("audio/x", values[0], "#6a");
 430                         Assert.AreEqual ("audio", values[1], "#6b");
 431                         Assert.AreEqual (1, headers.Accept.Count, "#6c");
 432
 433                         headers.Clear ();
 434
 435                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", new[] { "a@a.com", "ssss@oo.com" }), "#70");
 436                         values = headers.GetValues ("from").ToList ();
 437
 438                         Assert.AreEqual (2, values.Count, "#7");
 439                         Assert.AreEqual ("a@a.com", values[0], "#7a");
 440                         Assert.AreEqual ("ssss@oo.com", values[1], "#7b");
 441                         Assert.AreEqual ("a@a.com", headers.From, "#7c");
 442
 443                         headers.Clear ();
 444
 445                         Assert.IsTrue (headers.TryAddWithoutValidation ("Date", "wrong date"), "#8-0");
 446                         var value = headers.Date;
 447                         Assert.IsNull (headers.Date, "#8");
 448                 }
 449
 450                 [Test]
 451                 public void Headers_Invalid ()
 452                 {
 453                         HttpRequestMessage message = new HttpRequestMessage ();
 454                         HttpRequestHeaders headers = message.Headers;
 455
 456                         try {
 457                                 headers.Add ("Allow", "");
 458                                 Assert.Fail ("#1");
 459                         } catch (InvalidOperationException) {
 460                         }
 461
 462                         try {
 463                                 headers.Add (null, "");
 464                                 Assert.Fail ("#2");
 465                         } catch (ArgumentException) {
 466                         }
 467
 468                         try {
 469                                 headers.Add ("mm", null as IEnumerable<string>);
 470                                 Assert.Fail ("#2b");
 471                         } catch (ArgumentNullException) {
 472                         }
 473
 474                         try {
 475                                 headers.Add ("accept", "audio");
 476                                 Assert.Fail ("#2c");
 477                         } catch (FormatException) {
 478                         }
 479
 480                         Assert.IsFalse (headers.TryAddWithoutValidation ("Allow", ""), "#3"); ;
 481
 482                         Assert.IsFalse (headers.TryAddWithoutValidation (null, ""), "#4");
 483
 484                         try {
 485                                 headers.Contains (null);
 486                                 Assert.Fail ("#5");
 487                         } catch (ArgumentException) {
 488                         }
 489
 490                         try {
 491                                 headers.GetValues (null);
 492                                 Assert.Fail ("#6a");
 493                         } catch (ArgumentException) {
 494                         }
 495
 496                         try {
 497                                 headers.GetValues ("bbbb");
 498                                 Assert.Fail ("#6b");
 499                         } catch (InvalidOperationException) {
 500                         }
 501
 502                         try {
 503                                 headers.Add ("from", new[] { "a@a.com", "ssss@oo.com" });
 504                                 Assert.Fail ("#7a");
 505                         } catch (FormatException) {
 506                         }
 507
 508                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", "a@a.com"), "#7-0");
 509                         try {
 510                                 headers.Add ("from", "valid@w3.org");
 511                                 Assert.Fail ("#7b");
 512                         } catch (FormatException) {
 513                         }
 514                 }
 515
 516                 [Test]
 517                 public void Headers_Response ()
 518                 {
 519                         HttpRequestMessage message = new HttpRequestMessage ();
 520                         HttpRequestHeaders headers = message.Headers;
 521
 522                         headers.Add ("Age", "vv");
 523                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#1");
 524
 525                         headers.Clear ();
 526                         headers.TryAddWithoutValidation ("Age", "vv");
 527                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#2");
 528
 529                         // .NET encloses the "Age: vv" with two whitespaces.
 530                         var normalized = Regex.Replace (message.ToString (), @"\s", "");
 531                         Assert.AreEqual ("Method:GET,RequestUri:'<null>',Version:1.1,Content:<null>,Headers:{Age:vv}", normalized, "#3");
 532                 }
 533
 534                 [Test]
 535                 public void Headers_ExpectContinue ()
 536                 {
 537                         HttpRequestMessage message = new HttpRequestMessage ();
 538                         HttpRequestHeaders headers = message.Headers;
 539                         Assert.IsNull (headers.ExpectContinue, "#1");
 540
 541                         headers.ExpectContinue = false;
 542                         Assert.IsFalse (headers.ExpectContinue.Value, "#2");
 543
 544                         headers.Clear ();
 545
 546                         headers.ExpectContinue = true;
 547                         headers.ExpectContinue = true;
 548                         headers.ExpectContinue = true;
 549                         headers.ExpectContinue = true;
 550                         Assert.IsTrue (headers.ExpectContinue.Value, "#3");
 551                         Assert.AreEqual (1, headers.GetValues ("expect").ToList ().Count, "#4");
 552
 553                         headers.Clear ();
 554                         headers.Expect.Add (new NameValueWithParametersHeaderValue ("100-conTinuE"));
 555                         Assert.IsTrue (headers.ExpectContinue.Value, "#5");
 556                 }
 557
 558                 [Test]
 559                 public void Headers_ConnectionClose ()
 560                 {
 561                         HttpRequestMessage message = new HttpRequestMessage ();
 562                         HttpRequestHeaders headers = message.Headers;
 563                         Assert.IsNull (headers.ConnectionClose, "#1");
 564
 565                         headers.ConnectionClose = false;
 566                         Assert.IsFalse (headers.ConnectionClose.Value, "#2");
 567
 568                         headers.Clear ();
 569
 570                         headers.ConnectionClose = true;
 571                         Assert.IsTrue (headers.ConnectionClose.Value, "#3");
 572
 573                         headers.Clear ();
 574                         headers.Connection.Add ("Close");
 575                         Assert.IsTrue (headers.ConnectionClose.Value, "#4");
 576                 }
 577
 578                 [Test]
 579                 public void Headers_From_Invalid ()
 580                 {
 581                         HttpRequestMessage message = new HttpRequestMessage ();
 582                         HttpRequestHeaders headers = message.Headers;
 583                         headers.From = null;
 584                         headers.From = "";
 585                         try {
 586                                 headers.From = " ";
 587                                 Assert.Fail ("#1");
 588                         } catch (FormatException) {
 589                         }
 590                         try {
 591                                 headers.From = "test";
 592                                 Assert.Fail ("#2");
 593                         } catch (FormatException) {
 594                         }
 595                 }
 596
 597                 [Test]
 598                 public void Headers_TransferEncodingChunked ()
 599                 {
 600                         HttpRequestMessage message = new HttpRequestMessage ();
 601                         HttpRequestHeaders headers = message.Headers;
 602                         Assert.IsNull (headers.TransferEncodingChunked, "#1");
 603
 604                         headers.TransferEncodingChunked = false;
 605                         Assert.IsFalse (headers.TransferEncodingChunked.Value, "#2");
 606
 607                         headers.Clear ();
 608
 609                         headers.TransferEncodingChunked = true;
 610                         Assert.IsTrue (headers.TransferEncodingChunked.Value, "#3");
 611                         Assert.AreEqual (1, headers.TransferEncoding.Count, "#3b");
 612                 }
 613
 614                 [Test]
 615                 public void Properties ()
 616                 {
 617                         var c = new HttpRequestMessage ();
 618                         c.Content = null;
 619                         c.Method = HttpMethod.Post;
 620                         c.Properties.Add ("a", "test");
 621                         c.RequestUri = null;
 622                         c.Version = HttpVersion.Version10;
 623
 624                         Assert.IsNull (c.Content, "#1");
 625                         Assert.AreEqual (HttpMethod.Post, c.Method, "#2");
 626                         Assert.AreEqual ("test", c.Properties["a"], "#3");
 627                         Assert.IsNull (c.RequestUri, "#4");
 628                         Assert.AreEqual (HttpVersion.Version10, c.Version, "#5");
 629                 }
 630
 631                 [Test]
 632                 public void Properties_Invalid ()
 633                 {
 634                         var c = new HttpRequestMessage ();
 635                         try {
 636                                 c.Method = null;
 637                                 Assert.Fail ("#1");
 638                         } catch (ArgumentNullException) {
 639                         }
 640
 641                         try {
 642                                 c.RequestUri = new Uri ("ftp://xamarin.com");
 643                                 Assert.Fail ("#2");
 644                         } catch (ArgumentException) {
 645                         }
 646
 647                         try {
 648                                 c.Version = null;
 649                                 Assert.Fail ("#3");
 650                         } catch (ArgumentNullException) {
 651                         }
 652                 }
 653         }
 654 }