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 using System.IO;
  39
  40 namespace MonoTests.System.Net.Http
  41 {
  42         [TestFixture]
  43         public class HttpRequestMessageTest
  44         {
  45                 [Test]
  46                 public void Ctor_Invalid ()
  47                 {
  48                         try {
  49                                 new HttpRequestMessage (null, "");
  50                                 Assert.Fail ("#1");
  51                         } catch (ArgumentNullException) {
  52                         }
  53                 }
  54
  55                 [Test]
  56                 public void Ctor_Default ()
  57                 {
  58                         var m = new HttpRequestMessage ();
  59                         Assert.IsNull (m.Content, "#1");
  60                         Assert.IsNotNull (m.Headers, "#2");
  61                         Assert.AreEqual (HttpMethod.Get, m.Method, "#3");
  62                         Assert.IsNotNull (m.Properties, "#4");
  63                         Assert.IsNull (m.RequestUri, "#5");
  64                         Assert.AreEqual (new Version (1, 1), m.Version, "#6");
  65
  66                         Assert.AreEqual ("Method: GET, RequestUri: '<null>', Version: 1.1, Content: <null>, Headers:\r\n{\r\n}", m.ToString (), "#7");
  67                 }
  68
  69                 [Test]
  70                 public void Ctor_Uri ()
  71                 {
  72                         var c = new HttpRequestMessage (HttpMethod.Get, new Uri ("http://xamarin.com"));
  73                         Assert.AreEqual ("http://xamarin.com/", c.RequestUri.AbsoluteUri, "#1");
  74
  75                         c = new HttpRequestMessage (HttpMethod.Get, new Uri ("https://xamarin.com"));
  76                         Assert.AreEqual ("https://xamarin.com/", c.RequestUri.AbsoluteUri, "#2");
  77
  78                         c = new HttpRequestMessage (HttpMethod.Get, new Uri ("HTTP://xamarin.com:8080"));
  79                         Assert.AreEqual ("http://xamarin.com:8080/", c.RequestUri.AbsoluteUri, "#3");
  80
  81                         var a = Uri.UriSchemeHttps;
  82                         var b = new Uri ("http://xamarin.com");
  83
  84                         try {
  85                                 new HttpRequestMessage (HttpMethod.Get, new Uri ("ftp://xamarin.com"));
  86                                 Assert.Fail ("#4");
  87                         } catch (ArgumentException) {
  88                         }
  89                 }
  90
  91                 [Test]
  92                 public void Ctor_RelativeUri ()
  93                 {
  94                         var client = new HttpClient ();
  95                         client.BaseAddress = new Uri ("http://en.wikipedia.org/wiki/");
  96                         var uri = new Uri ("Computer", UriKind.Relative);
  97                         var req = new HttpRequestMessage (HttpMethod.Get, uri);
  98                         // HttpRequestMessage does not rewrite it here.
  99                         Assert.AreEqual (req.RequestUri, uri);
 100                 }
 101
 102                 [Test]
 103                 public void Ctor_RelativeOrAbsoluteUri ()
 104                 {
 105                         var uri = new Uri ("/", UriKind.RelativeOrAbsolute);
 106                         new HttpRequestMessage (HttpMethod.Get, uri);
 107
 108                         uri = new Uri ("file://", UriKind.RelativeOrAbsolute);
 109                         try {
 110                                 new HttpRequestMessage (HttpMethod.Get, uri);
 111                                 Assert.Fail ("#1");
 112                         } catch (ArgumentException) {
 113                         }
 114                 }
 115
 116                 [Test]
 117                 public void Ctor_RelativeUriString ()
 118                 {
 119                         var client = new HttpClient ();
 120                         client.BaseAddress = new Uri ("http://en.wikipedia.org/wiki/");
 121                         var req = new HttpRequestMessage (HttpMethod.Get, "Computer");
 122                         // HttpRequestMessage does not rewrite it here.
 123                         Assert.IsFalse (req.RequestUri.IsAbsoluteUri);
 124                 }
 125
 126                 [Test]
 127                 public void Ctor_RelativeOrAbsoluteUriString ()
 128                 {
 129                         new HttpRequestMessage (HttpMethod.Get, "/");
 130
 131                         try {
 132                                 new HttpRequestMessage (HttpMethod.Get, "file://");
 133                                 Assert.Fail ("#1");
 134                         } catch (ArgumentException) {
 135                         }
 136                 }
 137
 138                 [Test]
 139                 public void Headers ()
 140                 {
 141                         HttpRequestMessage message = new HttpRequestMessage ();
 142                         HttpRequestHeaders headers = message.Headers;
 143
 144                         headers.Accept.Add (new MediaTypeWithQualityHeaderValue ("audio/x"));
 145                         headers.AcceptCharset.Add (new StringWithQualityHeaderValue ("str-v", 0.002));
 146                         headers.AcceptEncoding.Add (new StringWithQualityHeaderValue ("str-enc", 0.44));
 147                         headers.AcceptLanguage.Add (new StringWithQualityHeaderValue ("str-lang", 0.41));
 148                         headers.Authorization = new AuthenticationHeaderValue ("sh-aut", "par");
 149                         headers.CacheControl = new CacheControlHeaderValue () {
 150                                 MaxAge = TimeSpan.MaxValue
 151                         };
 152                         headers.Connection.Add ("test-value");
 153                         headers.ConnectionClose = true;
 154                         headers.Date = new DateTimeOffset (DateTime.Today);
 155                         headers.Expect.Add (new NameValueWithParametersHeaderValue ("en", "ev"));
 156                         headers.ExpectContinue = true;
 157                         headers.From = "webmaster@w3.org";
 158                         headers.Host = "host";
 159                         headers.IfMatch.Add (new EntityTagHeaderValue ("\"tag\"", true));
 160                         headers.IfModifiedSince = new DateTimeOffset (DateTime.Today);
 161                         headers.IfNoneMatch.Add (new EntityTagHeaderValue ("\"tag2\"", true));
 162                         headers.IfRange = new RangeConditionHeaderValue (new DateTimeOffset (DateTime.Today));
 163                         headers.IfUnmodifiedSince = new DateTimeOffset? (DateTimeOffset.Now);
 164                         headers.MaxForwards = 0x15b3;
 165                         headers.Pragma.Add (new NameValueHeaderValue ("name", "value"));
 166                         headers.ProxyAuthorization = new AuthenticationHeaderValue ("s", "p");
 167                         headers.Range = new RangeHeaderValue (5L, 30L);
 168                         headers.Referrer = new Uri ("http://xamarin.com");
 169                         headers.TE.Add (new TransferCodingWithQualityHeaderValue ("TE", 0.3));
 170                         headers.Trailer.Add ("value");
 171                         headers.TransferEncoding.Add (new TransferCodingHeaderValue ("tchv"));
 172                         headers.TransferEncodingChunked = true;
 173                         headers.Upgrade.Add (new ProductHeaderValue ("prod", "ver"));
 174                         headers.UserAgent.Add (new ProductInfoHeaderValue ("(comment)"));
 175                         headers.Via.Add (new ViaHeaderValue ("protocol", "rec-by"));
 176                         headers.Warning.Add (new WarningHeaderValue (5, "agent", "\"txt\""));
 177
 178                         try {
 179                                 headers.Add ("authorization", "");
 180                                 Assert.Fail ("Authorization");
 181                         } catch (FormatException) {
 182                         }
 183
 184                         try {
 185                                 headers.Add ("connection", "extra ß ");
 186                                 Assert.Fail ("Date");
 187                         } catch (FormatException) {
 188                         }
 189
 190                         try {
 191                                 headers.Add ("date", "");
 192                                 Assert.Fail ("Date");
 193                         } catch (FormatException) {
 194                         }
 195
 196                         try {
 197                                 headers.Add ("from", "a@w3.org");
 198                                 Assert.Fail ("From");
 199                         } catch (FormatException) {
 200                         }
 201
 202                         try {
 203                                 headers.Add ("hOst", "host");
 204                                 Assert.Fail ("Host");
 205                         } catch (FormatException) {
 206                         }
 207
 208                         try {
 209                                 headers.Add ("if-modified-since", "");
 210                                 Assert.Fail ("if-modified-since");
 211                         } catch (FormatException) {
 212                         }
 213
 214                         try {
 215                                 headers.Add ("if-range", "");
 216                                 Assert.Fail ("if-range");
 217                         } catch (FormatException) {
 218                         }
 219
 220                         try {
 221                                 headers.Add ("if-unmodified-since", "");
 222                                 Assert.Fail ("if-unmodified-since");
 223                         } catch (FormatException) {
 224                         }
 225
 226                         try {
 227                                 headers.Add ("max-forwards", "");
 228                                 Assert.Fail ("max-forwards");
 229                         } catch (FormatException) {
 230                         }
 231
 232                         try {
 233                                 headers.Add ("proxy-authorization", "");
 234                                 Assert.Fail ("proxy-authorization");
 235                         } catch (FormatException) {
 236                         }
 237
 238                         try {
 239                                 headers.Add ("range", "");
 240                         } catch (FormatException) {
 241                         }
 242
 243                         try {
 244                                 headers.Add ("referer", "");
 245                                 Assert.Fail ("referer");
 246                         } catch (FormatException) {
 247                         }
 248
 249                         try {
 250                                 headers.Add ("pragma", "nocache,RequestID=1,g=");
 251                                 Assert.Fail ("pragma");
 252                         } catch (FormatException) {
 253                         }
 254
 255                         headers.Add ("accept", "audio/y");
 256                         headers.Add ("accept-charset", "achs");
 257                         headers.Add ("accept-encoding", "aenc");
 258                         headers.Add ("accept-language", "alan");
 259                         headers.Add ("expect", "exp");
 260                         headers.Add ("if-match", "\"v\"");
 261                         headers.Add ("if-none-match", "\"v2\"");
 262                         headers.Add ("TE", "0.8");
 263                         headers.Add ("trailer", "value2");
 264                         headers.Add ("transfer-encoding", "ttt");
 265                         headers.Add ("upgrade", "uuu");
 266                         headers.Add ("user-agent", "uaua");
 267                         headers.Add ("via", "prot v");
 268                         headers.Add ("warning", "4 ww \"t\"");
 269                         headers.Add ("pragma", "nocache,R=1,g");
 270
 271                         Assert.IsTrue (headers.Accept.SequenceEqual (
 272                                 new[] {
 273                                         new MediaTypeWithQualityHeaderValue ("audio/x"),
 274                                         new MediaTypeWithQualityHeaderValue ("audio/y")
 275                                 }
 276                         ));
 277
 278                         Assert.IsTrue (headers.AcceptCharset.SequenceEqual (
 279                                 new[] {
 280                                         new StringWithQualityHeaderValue ("str-v", 0.002),
 281                                         new StringWithQualityHeaderValue ("achs")
 282                                 }
 283                         ));
 284
 285                         Assert.IsTrue (headers.AcceptEncoding.SequenceEqual (
 286                                 new[] {
 287                                         new StringWithQualityHeaderValue ("str-enc", 0.44),
 288                                         new StringWithQualityHeaderValue ("aenc")
 289                                 }
 290                         ));
 291
 292                         Assert.IsTrue (headers.AcceptLanguage.SequenceEqual (
 293                                 new[] {
 294                                         new StringWithQualityHeaderValue ("str-lang", 0.41),
 295                                         new StringWithQualityHeaderValue ("alan")
 296                                 }
 297                         ));
 298
 299                         Assert.AreEqual (new AuthenticationHeaderValue ("sh-aut", "par"), headers.Authorization);
 300
 301                         var cch = new CacheControlHeaderValue () {
 302                                         MaxAge = TimeSpan.MaxValue,
 303                                 };
 304
 305                         Assert.AreEqual (cch, headers.CacheControl);
 306
 307                         Assert.IsTrue (headers.Connection.SequenceEqual (
 308                                 new string[] { "test-value", "close" }));
 309
 310                         Assert.AreEqual (headers.Date, new DateTimeOffset (DateTime.Today));
 311
 312                         Assert.IsTrue (headers.Expect.SequenceEqual (
 313                                 new [] {
 314                                         new NameValueWithParametersHeaderValue ("en", "ev"),
 315                                         new NameValueWithParametersHeaderValue ("100-continue"),
 316                                         new NameValueWithParametersHeaderValue ("exp")
 317                                 }));
 318
 319                         Assert.AreEqual (headers.From, "webmaster@w3.org");
 320
 321                         Assert.IsTrue (headers.IfMatch.SequenceEqual (
 322                                 new EntityTagHeaderValue[] {
 323                                         new EntityTagHeaderValue ("\"tag\"", true),
 324                                         new EntityTagHeaderValue ("\"v\"", false)
 325                                 }
 326                         ));
 327
 328                         Assert.AreEqual (headers.IfModifiedSince, new DateTimeOffset (DateTime.Today));
 329                         Assert.IsTrue (headers.IfNoneMatch.SequenceEqual (new EntityTagHeaderValue[] { new EntityTagHeaderValue ("\"tag2\"", true), new EntityTagHeaderValue ("\"v2\"", false) }));
 330                         Assert.AreEqual (new DateTimeOffset (DateTime.Today), headers.IfRange.Date);
 331                         Assert.AreEqual (headers.MaxForwards, 0x15b3);
 332                         Assert.AreEqual ("p", headers.ProxyAuthorization.Parameter);
 333                         Assert.AreEqual ("s", headers.ProxyAuthorization.Scheme);
 334                         Assert.AreEqual (5, headers.Range.Ranges.First ().From);
 335                         Assert.AreEqual (30, headers.Range.Ranges.First ().To);
 336                         Assert.AreEqual ("bytes", headers.Range.Unit);
 337                         Assert.AreEqual (headers.Referrer, new Uri ("http://xamarin.com"));
 338                         Assert.IsTrue (headers.TE.SequenceEqual (new TransferCodingWithQualityHeaderValue[] { new TransferCodingWithQualityHeaderValue ("TE", 0.3), new TransferCodingWithQualityHeaderValue ("0.8") }), "29");
 339                         Assert.IsTrue (headers.Trailer.SequenceEqual (
 340                                 new string[] {
 341                                         "value", "value2"
 342                                 }), "30");
 343
 344                         Assert.IsTrue (headers.TransferEncoding.SequenceEqual (
 345                                 new[] {
 346                                         new TransferCodingHeaderValue ("tchv"),
 347                                         new TransferCodingHeaderValue ("chunked"),
 348                                         new TransferCodingHeaderValue ("ttt")
 349                                 }
 350                         ));
 351
 352                         Assert.IsTrue (headers.Upgrade.SequenceEqual (
 353                                 new[] {
 354                                         new ProductHeaderValue ("prod", "ver"),
 355                                         new ProductHeaderValue ("uuu")
 356                                 }
 357                         ));
 358
 359                         Assert.IsTrue (headers.UserAgent.SequenceEqual (
 360                                 new[] {
 361                                         new ProductInfoHeaderValue ("(comment)"),
 362                                         new ProductInfoHeaderValue ("uaua", null)
 363                                 }
 364                         ));
 365
 366                         Assert.IsTrue (headers.Via.SequenceEqual (
 367                                 new[] {
 368                                         new ViaHeaderValue ("protocol", "rec-by"),
 369                                         new ViaHeaderValue ("prot", "v")
 370                                 }
 371                         ));
 372
 373                         Assert.IsTrue (headers.Warning.SequenceEqual (
 374                                 new[] {
 375                                         new WarningHeaderValue (5, "agent", "\"txt\""),
 376                                         new WarningHeaderValue (4, "ww", "\"t\"")
 377                                 }
 378                         ));
 379
 380                         Assert.IsTrue (headers.Pragma.SequenceEqual (
 381                                 new[] {
 382                                         new NameValueHeaderValue ("name", "value"),
 383                                         new NameValueHeaderValue ("nocache", null),
 384                                         new NameValueHeaderValue ("R", "1"),
 385                                         new NameValueHeaderValue ("g", null)
 386                                 }
 387                         ));
 388                 }
 389
 390                 [Test]
 391                 public void Headers_MultiValues ()
 392                 {
 393                         HttpRequestMessage message = new HttpRequestMessage ();
 394                         HttpRequestHeaders headers = message.Headers;
 395
 396                         headers.Add ("Accept", "application/vnd.citrix.requesttokenresponse+xml, application/vnd.citrix.requesttokenchoices+xml");
 397                         headers.Add ("Accept-Charset", "aa ;Q=0,bb;Q=1");
 398                         headers.Add ("Expect", "x=1; v, y=5");
 399                         headers.Add ("If-Match", "\"a\",*, \"b\",*");
 400                         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");
 401
 402                         Assert.AreEqual (2, headers.Accept.Count, "#1a");
 403                         Assert.IsTrue (headers.Accept.SequenceEqual (
 404                                 new[] {
 405                                         new MediaTypeWithQualityHeaderValue ("application/vnd.citrix.requesttokenresponse+xml"),
 406                                         new MediaTypeWithQualityHeaderValue ("application/vnd.citrix.requesttokenchoices+xml"),
 407                                 }
 408                         ), "#1b");
 409
 410                         Assert.AreEqual (2, headers.AcceptCharset.Count, "#2a");
 411                         Assert.IsTrue (headers.AcceptCharset.SequenceEqual (
 412                                 new[] {
 413                                         new StringWithQualityHeaderValue ("aa", 0),
 414                                         new StringWithQualityHeaderValue ("bb", 1),
 415                                 }
 416                         ), "#2b");
 417
 418                         Assert.AreEqual (2, headers.Expect.Count, "#3a");
 419                         var expect_expected = new[] {
 420                                         new NameValueWithParametersHeaderValue ("x", "1") {
 421                                         },
 422                                         new NameValueWithParametersHeaderValue ("y", "5"),
 423                                 };
 424                         expect_expected [0].Parameters.Add (new NameValueHeaderValue ("v"));
 425                         Assert.IsTrue (headers.Expect.SequenceEqual (
 426                                 expect_expected
 427                         ), "#3b");
 428
 429                         Assert.AreEqual (4, headers.IfMatch.Count, "#4a");
 430                         Assert.IsTrue (headers.IfMatch.SequenceEqual (
 431                                 new[] {
 432                                         new EntityTagHeaderValue ("\"a\""),
 433                                         EntityTagHeaderValue.Any,
 434                                         new EntityTagHeaderValue ("\"b\""),
 435                                         EntityTagHeaderValue.Any
 436                                 }
 437                         ), "#4b");
 438
 439                         Assert.AreEqual (6, headers.UserAgent.Count, "#10a");
 440
 441                         Assert.IsTrue (headers.UserAgent.SequenceEqual (
 442                                 new[] {
 443                                         new ProductInfoHeaderValue ("Mozilla", "5.0"),
 444                                         new ProductInfoHeaderValue ("(Macintosh; Intel Mac OS X 10_8_4)"),
 445                                         new ProductInfoHeaderValue ("AppleWebKit", "537.36"),
 446                                         new ProductInfoHeaderValue ("(KHTML, like Gecko)"),
 447                                         new ProductInfoHeaderValue ("Chrome", "29.0.1547.62"),
 448                                         new ProductInfoHeaderValue ("Safari", "537.36")
 449                                 }
 450                         ), "#10b");
 451                 }
 452
 453                 [Test]
 454                 public void Headers_UserAgentExtra ()
 455                 {
 456                         HttpRequestMessage message = new HttpRequestMessage ();
 457                         var headers = message.Headers;
 458
 459                         headers.Add ("User-Agent", "MonoDevelop (Unix 3.13.0; amd64; en-US; Octokit 0.3.4)");
 460
 461                         var se = headers.UserAgent.SequenceEqual (
 462                                 new[] {
 463                                                 new ProductInfoHeaderValue ("MonoDevelop", null),
 464                                                 new ProductInfoHeaderValue ("(Unix 3.13.0; amd64; en-US; Octokit 0.3.4)")
 465                                 });
 466                 }
 467
 468                 [Test]
 469                 public void Header_BaseImplementation ()
 470                 {
 471                         HttpRequestMessage message = new HttpRequestMessage ();
 472                         HttpRequestHeaders headers = message.Headers;
 473
 474                         headers.Add ("a", "a-value");
 475                         headers.Add ("b", new List<string> { "v1", "v2" });
 476                         headers.Add ("c", null as string);
 477                         headers.Add ("d", new string[0]);
 478
 479                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#0");
 480
 481                         Assert.IsFalse (headers.Contains ("nn"), "#1a");
 482                         Assert.IsTrue (headers.Contains ("b"), "#1b");
 483
 484                         var values = headers.GetValues ("b").ToList ();
 485                         Assert.AreEqual ("v1", values[0], "#2a");
 486                         Assert.AreEqual ("v2", values[1], "#2b");
 487
 488                         Assert.IsFalse (headers.Remove ("p"), "#3a");
 489                         Assert.IsTrue (headers.Remove ("b"), "#3b");
 490                         Assert.IsFalse (headers.Contains ("b"), "#3b-c");
 491
 492                         IEnumerable<string> values2;
 493                         Assert.IsTrue (headers.TryGetValues ("c", out values2));
 494                         values = values2.ToList ();
 495                         Assert.AreEqual ("", values[0], "#4a");
 496
 497                         int counter = 0;
 498                         foreach (var i in headers) {
 499                                 ++counter;
 500                         }
 501
 502                         Assert.AreEqual (3, counter, "#5");
 503
 504                         headers.Clear ();
 505
 506                         headers.Accept.Add (new MediaTypeWithQualityHeaderValue ("audio/x"));
 507                         Assert.IsTrue (headers.TryAddWithoutValidation ("accept", "audio"), "#55");
 508
 509                         values = headers.GetValues ("accept").ToList ();
 510                         Assert.AreEqual (2, values.Count, "#6");
 511                         Assert.AreEqual ("audio/x", values[0], "#6a");
 512                         Assert.AreEqual ("audio", values[1], "#6b");
 513                         Assert.AreEqual (1, headers.Accept.Count, "#6c");
 514
 515                         headers.Clear ();
 516
 517                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", new[] { "a@a.com", "ssss@oo.com" }), "#70");
 518                         values = headers.GetValues ("from").ToList ();
 519
 520                         Assert.AreEqual (2, values.Count, "#7");
 521                         Assert.AreEqual ("a@a.com", values[0], "#7a");
 522                         Assert.AreEqual ("ssss@oo.com", values[1], "#7b");
 523                         Assert.AreEqual ("a@a.com", headers.From, "#7c");
 524
 525                         headers.Clear ();
 526
 527                         Assert.IsTrue (headers.TryAddWithoutValidation ("Date", "wrong date"), "#8-0");
 528                         var value = headers.Date;
 529                         Assert.IsNull (headers.Date, "#8");
 530                 }
 531
 532                 [Test]
 533                 public void Headers_Invalid ()
 534                 {
 535                         HttpRequestMessage message = new HttpRequestMessage ();
 536                         HttpRequestHeaders headers = message.Headers;
 537
 538                         try {
 539                                 headers.Add ("Allow", "");
 540                                 Assert.Fail ("#1");
 541                         } catch (InvalidOperationException) {
 542                         }
 543
 544                         try {
 545                                 headers.Add (null, "");
 546                                 Assert.Fail ("#2");
 547                         } catch (ArgumentException) {
 548                         }
 549
 550                         try {
 551                                 headers.Add ("mm", null as IEnumerable<string>);
 552                                 Assert.Fail ("#2b");
 553                         } catch (ArgumentNullException) {
 554                         }
 555
 556                         try {
 557                                 headers.Add ("accept", "audio");
 558                                 Assert.Fail ("#2c");
 559                         } catch (FormatException) {
 560                         }
 561
 562                         Assert.IsFalse (headers.TryAddWithoutValidation ("Allow", ""), "#3"); ;
 563
 564                         Assert.IsFalse (headers.TryAddWithoutValidation (null, ""), "#4");
 565
 566                         try {
 567                                 headers.Contains (null);
 568                                 Assert.Fail ("#5");
 569                         } catch (ArgumentException) {
 570                         }
 571
 572                         try {
 573                                 headers.GetValues (null);
 574                                 Assert.Fail ("#6a");
 575                         } catch (ArgumentException) {
 576                         }
 577
 578                         try {
 579                                 headers.GetValues ("bbbb");
 580                                 Assert.Fail ("#6b");
 581                         } catch (InvalidOperationException) {
 582                         }
 583
 584                         try {
 585                                 headers.Add ("from", new[] { "a@a.com", "ssss@oo.com" });
 586                                 Assert.Fail ("#7a");
 587                         } catch (FormatException) {
 588                         }
 589
 590                         Assert.IsTrue (headers.TryAddWithoutValidation ("from", "a@a.com"), "#7-0");
 591                         try {
 592                                 headers.Add ("from", "valid@w3.org");
 593                                 Assert.Fail ("#7b");
 594                         } catch (FormatException) {
 595                         }
 596                 }
 597
 598                 [Test]
 599                 public void Headers_Response ()
 600                 {
 601                         HttpRequestMessage message = new HttpRequestMessage ();
 602                         HttpRequestHeaders headers = message.Headers;
 603
 604                         headers.Add ("Age", "vv");
 605                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#1");
 606
 607                         headers.Clear ();
 608                         headers.TryAddWithoutValidation ("Age", "vv");
 609                         Assert.AreEqual ("vv", headers.GetValues ("Age").First (), "#2");
 610
 611                         // .NET encloses the "Age: vv" with two whitespaces.
 612                         var normalized = Regex.Replace (message.ToString (), @"\s", "");
 613                         Assert.AreEqual ("Method:GET,RequestUri:'<null>',Version:1.1,Content:<null>,Headers:{Age:vv}", normalized, "#3");
 614                 }
 615
 616                 [Test]
 617                 public void Headers_ExpectContinue ()
 618                 {
 619                         HttpRequestMessage message = new HttpRequestMessage ();
 620                         HttpRequestHeaders headers = message.Headers;
 621                         Assert.IsNull (headers.ExpectContinue, "#1");
 622
 623                         headers.ExpectContinue = false;
 624                         Assert.IsFalse (headers.ExpectContinue.Value, "#2");
 625
 626                         headers.Clear ();
 627
 628                         headers.ExpectContinue = true;
 629                         headers.ExpectContinue = true;
 630                         headers.ExpectContinue = true;
 631                         headers.ExpectContinue = true;
 632                         Assert.IsTrue (headers.ExpectContinue.Value, "#3");
 633                         Assert.AreEqual (1, headers.GetValues ("expect").ToList ().Count, "#4");
 634
 635                         headers.Clear ();
 636                         headers.Expect.Add (new NameValueWithParametersHeaderValue ("100-conTinuE"));
 637                         Assert.IsTrue (headers.ExpectContinue.Value, "#5");
 638                 }
 639
 640                 [Test]
 641                 public void Headers_ConnectionClose ()
 642                 {
 643                         HttpRequestMessage message = new HttpRequestMessage ();
 644                         HttpRequestHeaders headers = message.Headers;
 645                         Assert.IsNull (headers.ConnectionClose, "#1");
 646
 647                         headers.ConnectionClose = false;
 648                         Assert.IsFalse (headers.ConnectionClose.Value, "#2");
 649
 650                         headers.Clear ();
 651
 652                         headers.ConnectionClose = true;
 653                         Assert.IsTrue (headers.ConnectionClose.Value, "#3");
 654
 655                         headers.Clear ();
 656                         headers.Connection.Add ("Close");
 657                         Assert.IsTrue (headers.ConnectionClose.Value, "#4");
 658                 }
 659
 660                 [Test]
 661                 public void Headers_From_Invalid ()
 662                 {
 663                         HttpRequestMessage message = new HttpRequestMessage ();
 664                         HttpRequestHeaders headers = message.Headers;
 665                         headers.From = null;
 666                         headers.From = "";
 667                         try {
 668                                 headers.From = " ";
 669                                 Assert.Fail ("#1");
 670                         } catch (FormatException) {
 671                         }
 672                         try {
 673                                 headers.From = "test";
 674                                 Assert.Fail ("#2");
 675                         } catch (FormatException) {
 676                         }
 677                 }
 678
 679                 [Test]
 680                 public void Headers_TransferEncodingChunked ()
 681                 {
 682                         HttpRequestMessage message = new HttpRequestMessage ();
 683                         HttpRequestHeaders headers = message.Headers;
 684                         Assert.IsNull (headers.TransferEncodingChunked, "#1");
 685
 686                         headers.TransferEncodingChunked = false;
 687                         Assert.IsFalse (headers.TransferEncodingChunked.Value, "#2");
 688
 689                         headers.Clear ();
 690
 691                         headers.TransferEncodingChunked = true;
 692                         Assert.IsTrue (headers.TransferEncodingChunked.Value, "#3");
 693                         Assert.AreEqual (1, headers.TransferEncoding.Count, "#3b");
 694                 }
 695
 696                 [Test]
 697                 public void Properties ()
 698                 {
 699                         var c = new HttpRequestMessage ();
 700                         c.Content = null;
 701                         c.Method = HttpMethod.Post;
 702                         c.Properties.Add ("a", "test");
 703                         c.RequestUri = null;
 704                         c.Version = HttpVersion.Version10;
 705
 706                         Assert.IsNull (c.Content, "#1");
 707                         Assert.AreEqual (HttpMethod.Post, c.Method, "#2");
 708                         Assert.AreEqual ("test", c.Properties["a"], "#3");
 709                         Assert.IsNull (c.RequestUri, "#4");
 710                         Assert.AreEqual (HttpVersion.Version10, c.Version, "#5");
 711                 }
 712
 713                 [Test]
 714                 public void Properties_Invalid ()
 715                 {
 716                         var c = new HttpRequestMessage ();
 717                         try {
 718                                 c.Method = null;
 719                                 Assert.Fail ("#1");
 720                         } catch (ArgumentNullException) {
 721                         }
 722
 723                         try {
 724                                 c.RequestUri = new Uri ("ftp://xamarin.com");
 725                                 Assert.Fail ("#2");
 726                         } catch (ArgumentException) {
 727                         }
 728
 729                         try {
 730                                 c.Version = null;
 731                                 Assert.Fail ("#3");
 732                         } catch (ArgumentNullException) {
 733                         }
 734                 }
 735         }
 736 }