mcs/class/System/Test/System/UriTest.cs

   1 //
   2 // UriTest.cs - NUnit Test Cases for System.Uri
   3 //
   4 // Authors:
   5 //   Lawrence Pit (loz@cable.a2000.nl)
   6 //   Martin Willemoes Hansen (mwh@sysrq.dk)
   7 //   Ben Maurer (bmaurer@users.sourceforge.net)
   8 //
   9 // (C) 2003 Martin Willemoes Hansen
  10 // (C) 2003 Ben Maurer
  11 //
  12
  13 using NUnit.Framework;
  14 using System;
  15 using System.IO;
  16
  17 namespace MonoTests.System
  18 {
  19         [TestFixture]
  20         public class UriTest : Assertion
  21         {
  22                 protected bool isWin32 = false;
  23
  24                 [SetUp]
  25                 public void GetReady ()
  26                 {
  27                         isWin32 = (Path.DirectorySeparatorChar == '\\');
  28                 }
  29
  30                 [Test]
  31                 public void Constructors ()
  32                 {
  33                         Uri uri = null;
  34
  35                         /*
  36                         uri = new Uri ("http://www.ximian.com/foo" + ((char) 0xa9) + "/bar/index.cgi?a=1&b=" + ((char) 0xa9) + "left#fragm?ent2");
  37                         Print (uri);
  38
  39                         uri = new Uri ("http://www.ximian.com/foo/xxx\"()-._;<=>@{|}~-,.`_^]\\[xx/" + ((char) 0xa9) + "/bar/index.cgi#fra+\">=@[gg]~gment2");
  40                         Print (uri);
  41
  42                         uri = new Uri("http://11.22.33.588:9090");
  43                         Print (uri);
  44
  45                         uri = new Uri("http://[11:22:33::88]:9090");
  46                         Print (uri);
  47
  48                         uri = new Uri("http://[::127.11.22.33]:8080");
  49                         Print (uri);
  50
  51                         uri = new Uri("http://[abcde::127.11.22.33]:8080");
  52                         Print (uri);
  53                         */
  54
  55                         /*
  56                         uri = new Uri ("http://www.contoso.com:1234/foo/bar/");
  57                         Print (uri);
  58
  59                         uri = new Uri ("http://www.contoso.com:1234/foo/bar");
  60                         Print (uri);
  61
  62                         uri = new Uri ("http://www.contoso.com:1234/");
  63                         Print (uri);
  64
  65                         uri = new Uri ("http://www.contoso.com:1234");
  66                         Print (uri);
  67                         */
  68
  69                         uri = new Uri ("http://contoso.com?subject=uri");
  70                         AssertEquals ("#k1", "/", uri.AbsolutePath);
  71                         AssertEquals ("#k2", "http://contoso.com/?subject=uri", uri.AbsoluteUri);
  72                         AssertEquals ("#k3", "contoso.com", uri.Authority);
  73                         AssertEquals ("#k4", "", uri.Fragment);
  74                         AssertEquals ("#k5", "contoso.com", uri.Host);
  75                         AssertEquals ("#k6", UriHostNameType.Dns, uri.HostNameType);
  76                         AssertEquals ("#k7", true, uri.IsDefaultPort);
  77                         AssertEquals ("#k8", false, uri.IsFile);
  78                         AssertEquals ("#k9", false, uri.IsLoopback);
  79                         AssertEquals ("#k10", false, uri.IsUnc);
  80                         AssertEquals ("#k11", "/", uri.LocalPath);
  81                         AssertEquals ("#k12", "/?subject=uri", uri.PathAndQuery);
  82                         AssertEquals ("#k13", 80, uri.Port);
  83                         AssertEquals ("#k14", "?subject=uri", uri.Query);
  84                         AssertEquals ("#k15", "http", uri.Scheme);
  85                         AssertEquals ("#k16", false, uri.UserEscaped);
  86                         AssertEquals ("#k17", "", uri.UserInfo);
  87
  88                         uri = new Uri ("mailto:user:pwd@contoso.com?subject=uri");
  89                         AssertEquals ("#m1", "", uri.AbsolutePath);
  90                         AssertEquals ("#m2", "mailto:user:pwd@contoso.com?subject=uri", uri.AbsoluteUri);
  91                         AssertEquals ("#m3", "contoso.com", uri.Authority);
  92                         AssertEquals ("#m4", "", uri.Fragment);
  93                         AssertEquals ("#m5", "contoso.com", uri.Host);
  94                         AssertEquals ("#m6", UriHostNameType.Dns, uri.HostNameType);
  95                         AssertEquals ("#m7", true, uri.IsDefaultPort);
  96                         AssertEquals ("#m8", false, uri.IsFile);
  97                         AssertEquals ("#m9", false, uri.IsLoopback);
  98                         AssertEquals ("#m10", false, uri.IsUnc);
  99                         AssertEquals ("#m11", "", uri.LocalPath);
 100                         AssertEquals ("#m12", "?subject=uri", uri.PathAndQuery);
 101                         AssertEquals ("#m13", 25, uri.Port);
 102                         AssertEquals ("#m14", "?subject=uri", uri.Query);
 103                         AssertEquals ("#m15", "mailto", uri.Scheme);
 104                         AssertEquals ("#m16", false, uri.UserEscaped);
 105                         AssertEquals ("#m17", "user:pwd", uri.UserInfo);
 106
 107                         uri = new Uri (@"\\myserver\mydir\mysubdir\myfile.ext");
 108                         AssertEquals ("#n1", "/mydir/mysubdir/myfile.ext", uri.AbsolutePath);
 109                         AssertEquals ("#n2", "file://myserver/mydir/mysubdir/myfile.ext", uri.AbsoluteUri);
 110                         AssertEquals ("#n3", "myserver", uri.Authority);
 111                         AssertEquals ("#n4", "", uri.Fragment);
 112                         AssertEquals ("#n5", "myserver", uri.Host);
 113                         AssertEquals ("#n6", UriHostNameType.Dns, uri.HostNameType);
 114                         AssertEquals ("#n7", true, uri.IsDefaultPort);
 115                         AssertEquals ("#n8", true, uri.IsFile);
 116                         AssertEquals ("#n9", false, uri.IsLoopback);
 117                         AssertEquals ("#n10", true, uri.IsUnc);
 118
 119                         if (isWin32)
 120                                 AssertEquals ("#n11", @"\\myserver\mydir\mysubdir\myfile.ext", uri.LocalPath);
 121                         else
 122                                 // myserver never could be the part of Unix path.
 123                                 AssertEquals ("#n11", "/mydir/mysubdir/myfile.ext", uri.LocalPath);
 124
 125                         AssertEquals ("#n12", "/mydir/mysubdir/myfile.ext", uri.PathAndQuery);
 126                         AssertEquals ("#n13", -1, uri.Port);
 127                         AssertEquals ("#n14", "", uri.Query);
 128                         AssertEquals ("#n15", "file", uri.Scheme);
 129                         AssertEquals ("#n16", false, uri.UserEscaped);
 130                         AssertEquals ("#n17", "", uri.UserInfo);
 131
 132                         uri = new Uri (new Uri("http://www.contoso.com"), "Hello World.htm", true);
 133                         AssertEquals ("#rel1a", "http://www.contoso.com/Hello World.htm", uri.AbsoluteUri);
 134                         AssertEquals ("#rel1b", true, uri.UserEscaped);
 135                         uri = new Uri (new Uri("http://www.contoso.com"), "Hello World.htm", false);
 136                         AssertEquals ("#rel2a", "http://www.contoso.com/Hello%20World.htm", uri.AbsoluteUri);
 137                         AssertEquals ("#rel2b", false, uri.UserEscaped);
 138                         uri = new Uri (new Uri("http://www.contoso.com"), "http://www.xxx.com/Hello World.htm", false);
 139                         AssertEquals ("#rel3", "http://www.xxx.com/Hello%20World.htm", uri.AbsoluteUri);
 140                         //uri = new Uri (new Uri("http://www.contoso.com"), "foo:8080/bar/Hello World.htm", false);
 141                         //AssertEquals ("#rel4", "foo:8080/bar/Hello%20World.htm", uri.AbsoluteUri);
 142                         uri = new Uri (new Uri("http://www.contoso.com"), "foo/bar/Hello World.htm?x=0:8", false);
 143                         AssertEquals ("#rel5", "http://www.contoso.com/foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 144                         uri = new Uri (new Uri("http://www.contoso.com/xxx/yyy/index.htm"), "foo/bar/Hello World.htm?x=0:8", false);
 145                         AssertEquals ("#rel6", "http://www.contoso.com/xxx/yyy/foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 146                         uri = new Uri (new Uri("http://www.contoso.com/xxx/yyy/index.htm"), "/foo/bar/Hello World.htm?x=0:8", false);
 147                         AssertEquals ("#rel7", "http://www.contoso.com/foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 148                         uri = new Uri (new Uri("http://www.contoso.com/xxx/yyy/index.htm"), "../foo/bar/Hello World.htm?x=0:8", false);
 149                         AssertEquals ("#rel8", "http://www.contoso.com/xxx/foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 150                         uri = new Uri (new Uri("http://www.contoso.com/xxx/yyy/index.htm"), "../../../foo/bar/Hello World.htm?x=0:8", false);
 151                         AssertEquals ("#rel9", "http://www.contoso.com/../foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 152                         uri = new Uri (new Uri("http://www.contoso.com/xxx/yyy/index.htm"), "./foo/bar/Hello World.htm?x=0:8", false);
 153                         AssertEquals ("#rel10", "http://www.contoso.com/xxx/yyy/foo/bar/Hello%20World.htm?x=0:8", uri.AbsoluteUri);
 154
 155                         try {
 156                                 uri = new Uri (null, "http://www.contoso.com/index.htm", false);
 157                                 Fail ("#rel20");
 158                         } catch (NullReferenceException) {
 159                         }
 160                         try {
 161                                 uri = new Uri (new Uri("http://www.contoso.com"), null, false);
 162                                 Fail ("#rel21");
 163                         } catch (NullReferenceException) {
 164                         }
 165                         try {
 166                                 uri = new Uri (new Uri("http://www.contoso.com/foo/bar/index.html?x=0"), String.Empty, false);
 167                                 AssertEquals("#22", "http://www.contoso.com/foo/bar/index.html?x=0", uri.ToString ());
 168                         } catch (NullReferenceException) {
 169                         }
 170
 171                         uri = new Uri (new Uri("http://www.xxx.com"), "?x=0");
 172                         AssertEquals ("#rel30", "http://www.xxx.com/?x=0", uri.ToString());
 173                         uri = new Uri (new Uri("http://www.xxx.com/index.htm"), "?x=0");
 174                         AssertEquals ("#rel31", "http://www.xxx.com/?x=0", uri.ToString());
 175                         uri = new Uri (new Uri("http://www.xxx.com/index.htm"), "#here");
 176                         AssertEquals ("#rel32", "http://www.xxx.com/index.htm#here", uri.ToString());
 177                 }
 178
 179                 // regression for bug #47573
 180                 [Test]
 181                 public void RelativeCtor ()
 182                 {
 183                         Uri b = new Uri ("http://a/b/c/d;p?q");
 184 //                      AssertEquals ("g:h", "g:h", new Uri (b, "g:h").ToString ()); this causes crash under MS.NET 1.1
 185                         AssertEquals ("#1", "http://a/g", new Uri (b, "/g").ToString ());
 186                         AssertEquals ("#2", "http://g/", new Uri (b, "//g").ToString ());
 187                         AssertEquals ("#3", "http://a/b/c/?y", new Uri (b, "?y").ToString ());
 188                         Assert ("#4", new Uri (b, "#s").ToString ().EndsWith ("#s"));
 189
 190                         Uri u = new Uri (b, "/g?q=r");
 191                         AssertEquals ("#5", "http://a/g?q=r", u.ToString ());
 192                         AssertEquals ("#6", "?q=r", u.Query);
 193
 194                         u = new Uri (b, "/g?q=r;. a");
 195                         AssertEquals ("#5", "http://a/g?q=r;. a", u.ToString ());
 196                         AssertEquals ("#6", "?q=r;.%20a", u.Query);
 197                 }
 198
 199                 [Test]
 200                 // some tests from bug 75144
 201                 public void LeadingSlashes ()
 202                 {
 203                         Uri u;
 204                         AssertEquals ("#1", "file:///", new Uri ("file:///").ToString());
 205                         AssertEquals ("#2", "file:///", new Uri ("file://").ToString());
 206
 207                         u = new Uri ("file:///foo/bar");
 208                         AssertEquals ("#3", "file:///foo/bar", u.ToString());
 209                         AssertEquals ("#4", false, u.IsUnc);
 210
 211                         u = new Uri ("file://foo/bar");
 212                         AssertEquals ("#5", "file://foo/bar", u.ToString());
 213                         AssertEquals ("#6", true, u.IsUnc);
 214
 215                         u = new Uri ("file:////foo/bar");
 216                         AssertEquals ("#7", "file://foo/bar", u.ToString());
 217                         AssertEquals ("#8", true, u.IsUnc);
 218
 219                         AssertEquals ("#9", "file://foo/bar", new Uri ("file://///foo/bar").ToString());
 220
 221                         AssertEquals ("#10", "mailto:", new Uri ("mailto:").ToString());
 222                         AssertEquals ("#11", "mailto:foo", new Uri ("mailto:foo").ToString());
 223                         AssertEquals ("#12", "mailto:/", new Uri ("mailto:/").ToString());
 224                         AssertEquals ("#13", "mailto:/foo", new Uri ("mailto:/foo").ToString());
 225                         AssertEquals ("#14", "mailto://foo", new Uri ("mailto://foo").ToString());
 226                         AssertEquals ("#15", "mailto:///foo", new Uri ("mailto:///foo").ToString());
 227
 228                         AssertEquals ("#16", "news:", new Uri ("news:").ToString());
 229                         AssertEquals ("#17", "news:foo", new Uri ("news:foo").ToString());
 230                         AssertEquals ("#18", "news:/", new Uri ("news:/").ToString());
 231                         AssertEquals ("#19", "news:/foo", new Uri ("news:/foo").ToString());
 232                         AssertEquals ("#20", "news://foo", new Uri ("news://foo").ToString());
 233                         AssertEquals ("#21", "news:///foo", new Uri ("news:///foo").ToString());
 234                 }
 235
 236                 [Test]
 237                 [ExpectedException (typeof (UriFormatException))]
 238                 public void HttpHostname1 ()
 239                 {
 240                         new Uri ("http:");
 241                 }
 242
 243                 [Test]
 244                 [ExpectedException (typeof (UriFormatException))]
 245                 public void HttpHostname2 ()
 246                 {
 247                         new Uri ("http:a");
 248                 }
 249
 250                 [Test]
 251                 [ExpectedException (typeof (UriFormatException))]
 252                 public void HttpHostname3 ()
 253                 {
 254                         new Uri ("http:/");
 255                 }
 256
 257                 [Test]
 258                 [ExpectedException (typeof (UriFormatException))]
 259                 public void HttpHostname4 ()
 260                 {
 261                         new Uri ("http:/foo");
 262                 }
 263
 264                 [Test]
 265                 [ExpectedException (typeof (UriFormatException))]
 266                 public void HttpHostname5 ()
 267                 {
 268                         new Uri ("http://");
 269                 }
 270
 271                 [Test]
 272                 [ExpectedException (typeof (UriFormatException))]
 273                 public void HttpHostname6 ()
 274                 {
 275                         new Uri ("http:///");
 276                 }
 277
 278                 [Test]
 279                 [ExpectedException (typeof (UriFormatException))]
 280                 public void HttpHostname7 ()
 281                 {
 282                         new Uri ("http:///foo");
 283                 }
 284
 285                 [Test]
 286                 [ExpectedException (typeof (UriFormatException))]
 287                 public void InvalidFile1 ()
 288                 {
 289                         new Uri ("file:");
 290                 }
 291
 292                 [Test]
 293                 [ExpectedException (typeof (UriFormatException))]
 294                 public void InvalidFile2 ()
 295                 {
 296                         new Uri ("file:/");
 297                 }
 298
 299                 [Test]
 300                 [ExpectedException (typeof (UriFormatException))]
 301                 public void InvalidFile3 ()
 302                 {
 303                         new Uri ("file:/foo");
 304                 }
 305
 306                 [Test]
 307                 [ExpectedException (typeof (UriFormatException))]
 308                 public void InvalidScheme ()
 309                 {
 310                         new Uri ("_:/");
 311                 }
 312
 313                 [Test]
 314                 public void ConstructorsRejectRelativePath ()
 315                 {
 316                         string [] reluris = new string [] {
 317                                 "readme.txt",
 318                                 "thisdir/childdir/file",
 319                                 "./testfile"
 320                         };
 321                         string [] winRelUris = new string [] {
 322                                 "c:readme.txt"
 323                         };
 324
 325                         for (int i = 0; i < reluris.Length; i++) {
 326                                 try {
 327                                         new Uri (reluris [i]);
 328                                         Fail ("Should be failed: " + reluris [i]);
 329                                 } catch (UriFormatException) {
 330                                 }
 331                         }
 332
 333                         if (isWin32) {
 334                                 for (int i = 0; i < winRelUris.Length; i++) {
 335                                         try {
 336                                                 new Uri (winRelUris [i]);
 337                                                 Fail ("Should be failed: " + winRelUris [i]);
 338                                         } catch (UriFormatException) {
 339                                         }
 340                                 }
 341                         }
 342                 }
 343
 344
 345                 [Test]
 346                 public void LocalPath ()
 347                 {
 348                         Uri uri = new Uri ("c:\\tmp\\hello.txt");
 349                         AssertEquals ("#1a", "file:///c:/tmp/hello.txt", uri.ToString ());
 350                         AssertEquals ("#1b", "c:\\tmp\\hello.txt", uri.LocalPath);
 351                         AssertEquals ("#1c", "file", uri.Scheme);
 352                         AssertEquals ("#1d", "", uri.Host);
 353                         AssertEquals ("#1e", "c:/tmp/hello.txt", uri.AbsolutePath);
 354
 355                         uri = new Uri ("file:////////cygwin/tmp/hello.txt");
 356                         AssertEquals ("#3a", "file://cygwin/tmp/hello.txt", uri.ToString ());
 357                         if (isWin32)
 358                                 AssertEquals ("#3b win32", "\\\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 359                         else
 360                                 AssertEquals ("#3b *nix", "/tmp/hello.txt", uri.LocalPath);
 361                         AssertEquals ("#3c", "file", uri.Scheme);
 362                         AssertEquals ("#3d", "cygwin", uri.Host);
 363                         AssertEquals ("#3e", "/tmp/hello.txt", uri.AbsolutePath);
 364
 365                         uri = new Uri ("file://mymachine/cygwin/tmp/hello.txt");
 366                         AssertEquals ("#4a", "file://mymachine/cygwin/tmp/hello.txt", uri.ToString ());
 367                         if (isWin32)
 368                                 AssertEquals ("#4b win32", "\\\\mymachine\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 369                         else
 370                                 AssertEquals ("#4b *nix", "/cygwin/tmp/hello.txt", uri.LocalPath);
 371                         AssertEquals ("#4c", "file", uri.Scheme);
 372                         AssertEquals ("#4d", "mymachine", uri.Host);
 373                         AssertEquals ("#4e", "/cygwin/tmp/hello.txt", uri.AbsolutePath);
 374
 375                         uri = new Uri ("file://///c:/cygwin/tmp/hello.txt");
 376                         AssertEquals ("#5a", "file:///c:/cygwin/tmp/hello.txt", uri.ToString ());
 377                         AssertEquals ("#5b", "c:\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 378                         AssertEquals ("#5c", "file", uri.Scheme);
 379                         AssertEquals ("#5d", "", uri.Host);
 380                         AssertEquals ("#5e", "c:/cygwin/tmp/hello.txt", uri.AbsolutePath);
 381                         // Hmm, they should be regarded just as a host name, since all URIs are base on absolute path.
 382                         uri = new Uri("file://one_file.txt");
 383                         AssertEquals("#6a", "file://one_file.txt", uri.ToString());
 384                         if (isWin32)
 385                                 AssertEquals("#6b", "\\\\one_file.txt", uri.LocalPath);
 386                         else
 387                                 AssertEquals("#6b", "/", uri.LocalPath);
 388                         AssertEquals("#6c", "file", uri.Scheme);
 389                         AssertEquals("#6d", "one_file.txt", uri.Host);
 390                         AssertEquals("#6e", "", uri.AbsolutePath);
 391                 }
 392
 393                 [Test]
 394                 public void UnixPath () {
 395                         if (!isWin32)
 396                                 AssertEquals ("#6a", "file:///cygwin/tmp/hello.txt", new Uri ("/cygwin/tmp/hello.txt").ToString ());
 397                 }
 398
 399                 [Test]
 400                 public void Unc ()
 401                 {
 402                         Uri uri = new Uri ("http://www.contoso.com");
 403                         Assert ("#1", !uri.IsUnc);
 404
 405                         uri = new Uri ("news:123456@contoso.com");
 406                         Assert ("#2", !uri.IsUnc);
 407
 408                         uri = new Uri ("file://server/filename.ext");
 409                         Assert ("#3", uri.IsUnc);
 410
 411                         uri = new Uri (@"\\server\share\filename.ext");
 412                         Assert ("#6", uri.IsUnc);
 413
 414                         uri = new Uri (@"a:\dir\filename.ext");
 415                         Assert ("#8", !uri.IsUnc);
 416                 }
 417
 418                 [Test]
 419                 [Category("NotDotNet")]
 420                 public void UncFail ()
 421                 {
 422                         Uri uri = new Uri ("/home/user/dir/filename.ext");
 423                         Assert ("#7", !uri.IsUnc);
 424                 }
 425
 426                 [Test]
 427                 public void FromHex ()
 428                 {
 429                         AssertEquals ("#1", 0, Uri.FromHex ('0'));
 430                         AssertEquals ("#2", 9, Uri.FromHex ('9'));
 431                         AssertEquals ("#3", 10, Uri.FromHex ('a'));
 432                         AssertEquals ("#4", 15, Uri.FromHex ('f'));
 433                         AssertEquals ("#5", 10, Uri.FromHex ('A'));
 434                         AssertEquals ("#6", 15, Uri.FromHex ('F'));
 435                         try {
 436                                 Uri.FromHex ('G');
 437                                 Fail ("#7");
 438                         } catch (ArgumentException) {}
 439                         try {
 440                                 Uri.FromHex (' ');
 441                                 Fail ("#8");
 442                         } catch (ArgumentException) {}
 443                         try {
 444                                 Uri.FromHex ('%');
 445                                 Fail ("#8");
 446                         } catch (ArgumentException) {}
 447                 }
 448
 449                 class UriEx : Uri
 450                 {
 451                         public UriEx (string s) : base (s)
 452                         {
 453                         }
 454
 455                         public string UnescapeString (string s)
 456                         {
 457                                 return Unescape (s);
 458                         }
 459
 460                         public static string UnescapeString (string uri, string target)
 461                         {
 462                                 return new UriEx (uri).UnescapeString (target);
 463                         }
 464                 }
 465
 466                 [Test]
 467                 public void Unescape ()
 468                 {
 469                         AssertEquals ("#1", "#", UriEx.UnescapeString ("file://localhost/c#", "%23"));
 470                         AssertEquals ("#2", "c#", UriEx.UnescapeString ("file://localhost/c#", "c%23"));
 471                         AssertEquals ("#3", "\xA9", UriEx.UnescapeString ("file://localhost/c#", "%A9"));
 472                         AssertEquals ("#1", "#", UriEx.UnescapeString ("http://localhost/c#", "%23"));
 473                         AssertEquals ("#2", "c#", UriEx.UnescapeString ("http://localhost/c#", "c%23"));
 474                         AssertEquals ("#3", "\xA9", UriEx.UnescapeString ("http://localhost/c#", "%A9"));
 475                 }
 476
 477                 [Test]
 478                 public void HexEscape ()
 479                 {
 480                         AssertEquals ("#1","%20", Uri.HexEscape (' '));
 481                         AssertEquals ("#2","%A9", Uri.HexEscape ((char) 0xa9));
 482                         AssertEquals ("#3","%41", Uri.HexEscape ('A'));
 483                         try {
 484                                 Uri.HexEscape ((char) 0x0369);
 485                                 Fail ("#4");
 486                         } catch (ArgumentOutOfRangeException) {}
 487                 }
 488
 489                 [Test]
 490                 public void HexUnescape ()
 491                 {
 492                         int i = 0;
 493                         AssertEquals ("#1", ' ', Uri.HexUnescape ("%20", ref i));
 494                         AssertEquals ("#2", 3, i);
 495                         i = 4;
 496                         AssertEquals ("#3", (char) 0xa9, Uri.HexUnescape ("test%a9test", ref i));
 497                         AssertEquals ("#4", 7, i);
 498                         AssertEquals ("#5", 't', Uri.HexUnescape ("test%a9test", ref i));
 499                         AssertEquals ("#6", 8, i);
 500                         i = 4;
 501                         AssertEquals ("#5", '%', Uri.HexUnescape ("test%a", ref i));
 502                         AssertEquals ("#6", 5, i);
 503                         AssertEquals ("#7", '%', Uri.HexUnescape ("testx%xx", ref i));
 504                         AssertEquals ("#8", 6, i);
 505
 506                         // Tests from bug 74872 - don't handle multi-byte characters as multi-byte
 507                         i = 1;
 508                         AssertEquals ("#9", 227, (int) Uri.HexUnescape ("a%E3%81%8B", ref i));
 509                         AssertEquals ("#10", 4, i);
 510                         i = 1;
 511                         AssertEquals ("#11", 240, (int) Uri.HexUnescape ("a%F0%90%84%80", ref i));
 512                         AssertEquals ("#12", 4, i);
 513                 }
 514
 515 #if !NET_2_0
 516                 // These won't pass exactly with MS.NET 1.x, due to differences in the
 517                 // handling of backslashes/forwardslashes
 518                 [Category ("NotDotNet")]
 519 #endif
 520                 [Test]
 521                 public void HexUnescapeMultiByte ()
 522                 {
 523                         // Tests from bug 74872
 524                         // Note: These won't pass exactly with MS.NET, due to differences in the
 525                         // handling of backslashes/forwardslashes
 526                         Uri uri;
 527                         string path;
 528
 529                         // 3-byte character
 530                         uri = new Uri ("file:///foo/a%E3%81%8Bb", true);
 531                         path = uri.LocalPath;
 532                         AssertEquals ("#1", 8, path.Length);
 533                         AssertEquals ("#2", 0x304B, path [6]);
 534
 535                         // 4-byte character which should be handled as a surrogate
 536                         uri = new Uri ("file:///foo/a%F3%A0%84%80b", true);
 537                         path = uri.LocalPath;
 538                         AssertEquals ("#3", 9, path.Length);
 539                         AssertEquals ("#4", 0xDB40, path [6]);
 540                         AssertEquals ("#5", 0xDD00, path [7]);
 541                         AssertEquals ("#6", 0x62, path [8]);
 542
 543                         // 2-byte escape sequence, 2 individual characters
 544                         uri = new Uri ("file:///foo/a%C2%F8b", true);
 545                         path = uri.LocalPath;
 546                         AssertEquals ("#7", 9, path.Length);
 547                         AssertEquals ("#8", 0xC2, path [6]);
 548                         AssertEquals ("#9", 0xF8, path [7]);
 549                 }
 550
 551                 [Test]
 552                 public void IsHexDigit ()
 553                 {
 554                         Assert ("#1", Uri.IsHexDigit ('a'));
 555                         Assert ("#2", Uri.IsHexDigit ('f'));
 556                         Assert ("#3", !Uri.IsHexDigit ('g'));
 557                         Assert ("#4", Uri.IsHexDigit ('0'));
 558                         Assert ("#5", Uri.IsHexDigit ('9'));
 559                         Assert ("#6", Uri.IsHexDigit ('A'));
 560                         Assert ("#7", Uri.IsHexDigit ('F'));
 561                         Assert ("#8", !Uri.IsHexDigit ('G'));
 562                 }
 563
 564                 [Test]
 565                 public void IsHexEncoding ()
 566                 {
 567                         Assert ("#1", Uri.IsHexEncoding ("test%a9test", 4));
 568                         Assert ("#2", !Uri.IsHexEncoding ("test%a9test", 3));
 569                         Assert ("#3", Uri.IsHexEncoding ("test%a9", 4));
 570                         Assert ("#4", !Uri.IsHexEncoding ("test%a", 4));
 571                 }
 572
 573                 [Test]
 574                 public void GetLeftPart ()
 575                 {
 576                         Uri uri = new Uri ("http://www.contoso.com/index.htm#main");
 577                         AssertEquals ("#1", "http://", uri.GetLeftPart (UriPartial.Scheme));
 578                         AssertEquals ("#2", "http://www.contoso.com", uri.GetLeftPart (UriPartial.Authority));
 579                         AssertEquals ("#3", "http://www.contoso.com/index.htm", uri.GetLeftPart (UriPartial.Path));
 580
 581                         uri = new Uri ("mailto:user@contoso.com?subject=uri");
 582                         AssertEquals ("#4", "mailto:", uri.GetLeftPart (UriPartial.Scheme));
 583                         AssertEquals ("#5", "", uri.GetLeftPart (UriPartial.Authority));
 584                         AssertEquals ("#6", "mailto:user@contoso.com", uri.GetLeftPart (UriPartial.Path));
 585
 586                         uri = new Uri ("nntp://news.contoso.com/123456@contoso.com");
 587                         AssertEquals ("#7", "nntp://", uri.GetLeftPart (UriPartial.Scheme));
 588                         AssertEquals ("#8", "nntp://news.contoso.com", uri.GetLeftPart (UriPartial.Authority));
 589                         AssertEquals ("#9", "nntp://news.contoso.com/123456@contoso.com", uri.GetLeftPart (UriPartial.Path));
 590
 591                         uri = new Uri ("news:123456@contoso.com");
 592                         AssertEquals ("#10", "news:", uri.GetLeftPart (UriPartial.Scheme));
 593                         AssertEquals ("#11", "", uri.GetLeftPart (UriPartial.Authority));
 594                         AssertEquals ("#12", "news:123456@contoso.com", uri.GetLeftPart (UriPartial.Path));
 595
 596                         uri = new Uri ("file://server/filename.ext");
 597                         AssertEquals ("#13", "file://", uri.GetLeftPart (UriPartial.Scheme));
 598                         AssertEquals ("#14", "file://server", uri.GetLeftPart (UriPartial.Authority));
 599                         AssertEquals ("#15", "file://server/filename.ext", uri.GetLeftPart (UriPartial.Path));
 600
 601                         uri = new Uri (@"\\server\share\filename.ext");
 602                         AssertEquals ("#20", "file://", uri.GetLeftPart (UriPartial.Scheme));
 603                         AssertEquals ("#21", "file://server", uri.GetLeftPart (UriPartial.Authority));
 604                         AssertEquals ("#22", "file://server/share/filename.ext", uri.GetLeftPart (UriPartial.Path));
 605
 606                         uri = new Uri ("http://www.contoso.com:8080/index.htm#main");
 607                         AssertEquals ("#23", "http://", uri.GetLeftPart (UriPartial.Scheme));
 608                         AssertEquals ("#24", "http://www.contoso.com:8080", uri.GetLeftPart (UriPartial.Authority));
 609                         AssertEquals ("#25", "http://www.contoso.com:8080/index.htm", uri.GetLeftPart (UriPartial.Path));
 610                 }
 611
 612                 [Test]
 613                 public void NewsDefaultPort ()
 614                 {
 615                         Uri uri = new Uri("news://localhost:119/");
 616                         AssertEquals ("#1", uri.IsDefaultPort, true);
 617                 }
 618
 619                 [Test]
 620                 public void FragmentEscape ()
 621                 {
 622                         Uri u = new Uri("http://localhost/index.asp#main#start", false);
 623                         AssertEquals ("#1", u.Fragment, "#main%23start");
 624
 625                         u = new Uri("http://localhost/index.asp#main#start", true);
 626                         AssertEquals ("#2", u.Fragment, "#main#start");
 627
 628                         // The other code path uses a BaseUri
 629
 630                         Uri b = new Uri ("http://www.gnome.org");
 631                         Uri n = new Uri (b, "blah#main#start");
 632                         AssertEquals ("#3", n.Fragment, "#main%23start");
 633
 634                         n = new Uri (b, "blah#main#start", true);
 635                         AssertEquals ("#3", n.Fragment, "#main#start");
 636                 }
 637
 638                 [Test]
 639                 [ExpectedException(typeof(UriFormatException))]
 640                 public void IncompleteSchemeDelimiter ()
 641                 {
 642                         new Uri ("file:/filename.ext");
 643                 }
 644
 645                 [Test]
 646                 [Category("NotDotNet")]
 647                 public void CheckHostName1 ()
 648                 {
 649                         // reported to MSDN Product Feedback Center (FDBK28671)
 650                         AssertEquals ("#36 known to fail with ms.net: this is not a valid IPv6 address.", UriHostNameType.Unknown, Uri.CheckHostName (":11:22:33:44:55:66:77:88"));
 651                 }
 652
 653                 [Test]
 654                 public void CheckHostName2 ()
 655                 {
 656                         AssertEquals ("#1", UriHostNameType.Unknown, Uri.CheckHostName (null));
 657                         AssertEquals ("#2", UriHostNameType.Unknown, Uri.CheckHostName (""));
 658                         AssertEquals ("#3", UriHostNameType.Unknown, Uri.CheckHostName ("^&()~`!@"));
 659                         AssertEquals ("#4", UriHostNameType.Dns, Uri.CheckHostName ("x"));
 660                         AssertEquals ("#5", UriHostNameType.IPv4, Uri.CheckHostName ("1.2.3.4"));
 661                         AssertEquals ("#6", UriHostNameType.IPv4, Uri.CheckHostName ("0001.002.03.4"));
 662                         AssertEquals ("#7", UriHostNameType.Dns, Uri.CheckHostName ("0001.002.03.256"));
 663                         AssertEquals ("#8", UriHostNameType.Dns, Uri.CheckHostName ("9001.002.03.4"));
 664                         AssertEquals ("#9", UriHostNameType.Dns, Uri.CheckHostName ("www.contoso.com"));
 665                         AssertEquals ("#10", UriHostNameType.Unknown, Uri.CheckHostName (".www.contoso.com"));
 666                         AssertEquals ("#11", UriHostNameType.Dns, Uri.CheckHostName ("www.contoso.com."));
 667                         AssertEquals ("#12", UriHostNameType.Dns, Uri.CheckHostName ("www.con-toso.com"));
 668                         AssertEquals ("#13", UriHostNameType.Dns, Uri.CheckHostName ("www.con_toso.com"));
 669                         AssertEquals ("#14", UriHostNameType.Unknown, Uri.CheckHostName ("www.con,toso.com"));
 670
 671                         // test IPv6
 672                         AssertEquals ("#15", UriHostNameType.IPv6, Uri.CheckHostName ("11:22:33:44:55:66:77:88"));
 673                         AssertEquals ("#16", UriHostNameType.IPv6, Uri.CheckHostName ("11::33:44:55:66:77:88"));
 674                         AssertEquals ("#17", UriHostNameType.IPv6, Uri.CheckHostName ("::22:33:44:55:66:77:88"));
 675                         AssertEquals ("#18", UriHostNameType.IPv6, Uri.CheckHostName ("11:22:33:44:55:66:77::"));
 676                         AssertEquals ("#19", UriHostNameType.IPv6, Uri.CheckHostName ("11::88"));
 677                         AssertEquals ("#20", UriHostNameType.IPv6, Uri.CheckHostName ("11::77:88"));
 678                         AssertEquals ("#21", UriHostNameType.IPv6, Uri.CheckHostName ("11:22::88"));
 679                         AssertEquals ("#22", UriHostNameType.IPv6, Uri.CheckHostName ("11::"));
 680                         AssertEquals ("#23", UriHostNameType.IPv6, Uri.CheckHostName ("::88"));
 681                         AssertEquals ("#24", UriHostNameType.IPv6, Uri.CheckHostName ("::1"));
 682                         AssertEquals ("#25", UriHostNameType.IPv6, Uri.CheckHostName ("::"));
 683                         AssertEquals ("#26", UriHostNameType.IPv6, Uri.CheckHostName ("0:0:0:0:0:0:127.0.0.1"));
 684                         AssertEquals ("#27", UriHostNameType.IPv6, Uri.CheckHostName ("::127.0.0.1"));
 685                         AssertEquals ("#28", UriHostNameType.IPv6, Uri.CheckHostName ("::ffFF:169.32.14.5"));
 686                         AssertEquals ("#29", UriHostNameType.IPv6, Uri.CheckHostName ("2001:03A0::/35"));
 687                         AssertEquals ("#30", UriHostNameType.IPv6, Uri.CheckHostName ("[2001:03A0::/35]"));
 688                         AssertEquals ("#33", UriHostNameType.IPv6, Uri.CheckHostName ("2001::03A0:1.2.3.4"));
 689
 690                         AssertEquals ("#31", UriHostNameType.Unknown, Uri.CheckHostName ("2001::03A0::/35"));
 691                         AssertEquals ("#32", UriHostNameType.Unknown, Uri.CheckHostName ("2001:03A0::/35a"));
 692                         AssertEquals ("#34", UriHostNameType.Unknown, Uri.CheckHostName ("::ffff:123.256.155.43"));
 693                         AssertEquals ("#35", UriHostNameType.Unknown, Uri.CheckHostName (":127.0.0.1"));
 694                         AssertEquals ("#37", UriHostNameType.Unknown, Uri.CheckHostName ("::11:22:33:44:55:66:77:88"));
 695                         AssertEquals ("#38", UriHostNameType.Unknown, Uri.CheckHostName ("11:22:33:44:55:66:77:88::"));
 696                         AssertEquals ("#39", UriHostNameType.Unknown, Uri.CheckHostName ("11:22:33:44:55:66:77:88:"));
 697                         AssertEquals ("#40", UriHostNameType.Unknown, Uri.CheckHostName ("::acbde"));
 698                         AssertEquals ("#41", UriHostNameType.Unknown, Uri.CheckHostName ("::abce:"));
 699                         AssertEquals ("#42", UriHostNameType.Unknown, Uri.CheckHostName ("::abcg"));
 700                         AssertEquals ("#43", UriHostNameType.Unknown, Uri.CheckHostName (":::"));
 701                         AssertEquals ("#44", UriHostNameType.Unknown, Uri.CheckHostName (":"));
 702                 }
 703
 704                 [Test]
 705                 public void IsLoopback ()
 706                 {
 707                         Uri uri = new Uri("http://loopback:8080");
 708                         AssertEquals ("#1", true, uri.IsLoopback);
 709                         uri = new Uri("http://localhost:8080");
 710                         AssertEquals ("#2", true, uri.IsLoopback);
 711                         uri = new Uri("http://127.0.0.1:8080");
 712                         AssertEquals ("#3", true, uri.IsLoopback);
 713                         uri = new Uri("http://127.0.0.001:8080");
 714                         AssertEquals ("#4", true, uri.IsLoopback);
 715                         uri = new Uri("http://[::1]");
 716                         AssertEquals ("#5", true, uri.IsLoopback);
 717                         uri = new Uri("http://[::1]:8080");
 718                         AssertEquals ("#6", true, uri.IsLoopback);
 719                         uri = new Uri("http://[::0001]:8080");
 720                         AssertEquals ("#7", true, uri.IsLoopback);
 721                         uri = new Uri("http://[0:0:0:0::1]:8080");
 722                         AssertEquals ("#8", true, uri.IsLoopback);
 723                         uri = new Uri("http://[0:0:0:0::127.0.0.1]:8080");
 724                         AssertEquals ("#9", true, uri.IsLoopback);
 725                         uri = new Uri("http://[0:0:0:0::127.11.22.33]:8080");
 726                         AssertEquals ("#10", false, uri.IsLoopback);
 727                         uri = new Uri("http://[::ffff:127.11.22.33]:8080");
 728                         AssertEquals ("#11", false, uri.IsLoopback);
 729                         uri = new Uri("http://[::ff00:7f11:2233]:8080");
 730                         AssertEquals ("#12", false, uri.IsLoopback);
 731                         uri = new Uri("http://[1:0:0:0::1]:8080");
 732                         AssertEquals ("#13", false, uri.IsLoopback);
 733                 }
 734
 735                 [Test]
 736                 public void Equals1 ()
 737                 {
 738                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 739                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm#fragment");
 740                         Assert ("#1", uri1.Equals (uri2));
 741                         Assert ("#3", !uri2.Equals ("http://www.contoso.com/index.html?x=1"));
 742                         Assert ("#4", !uri1.Equals ("http://www.contoso.com:8080/index.htm?x=1"));
 743                 }
 744
 745                 [Test]
 746 #if !NET_2_0
 747                 [Category("NotDotNet")]
 748 #endif
 749                 public void Equals2 ()
 750                 {
 751                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 752                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm?x=1");
 753                         Assert ("#2 known to fail with ms.net 1.x", !uri1.Equals (uri2));
 754                 }
 755
 756                 [Test]
 757                 public void TestEquals2 ()
 758                 {
 759                         Uri a = new Uri ("http://www.go-mono.com");
 760                         Uri b = new Uri ("http://www.go-mono.com");
 761
 762                         AssertEquals ("#1", a, b);
 763
 764                         a = new Uri ("mailto:user:pwd@go-mono.com?subject=uri");
 765                         b = new Uri ("MAILTO:USER:PWD@GO-MONO.COM?SUBJECT=URI");
 766
 767                         AssertEquals ("#2", a, b);
 768
 769                         a = new Uri ("http://www.go-mono.com/ports/");
 770                         b = new Uri ("http://www.go-mono.com/PORTS/");
 771
 772                         Assert ("#3", !a.Equals (b));
 773                 }
 774
 775                 [Test]
 776                 public void GetHashCodeTest ()
 777                 {
 778                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 779                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm#fragment");
 780                         AssertEquals ("#1", uri1.GetHashCode (), uri2.GetHashCode ());
 781                         uri2 = new Uri ("http://www.contoso.com/index.htm?x=1");
 782                         Assert ("#2", uri1.GetHashCode () != uri2.GetHashCode ());
 783                         uri2 = new Uri ("http://www.contoso.com:80/index.htm");
 784                         AssertEquals ("#3", uri1.GetHashCode (), uri2.GetHashCode ());
 785                         uri2 = new Uri ("http://www.contoso.com:8080/index.htm");
 786                         Assert ("#4", uri1.GetHashCode () != uri2.GetHashCode ());
 787                 }
 788
 789                 [Test]
 790                 public void MakeRelative ()
 791                 {
 792                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm?x=2");
 793                         Uri uri2 = new Uri ("http://www.contoso.com/foo/bar/index.htm#fragment");
 794                         Uri uri3 = new Uri ("http://www.contoso.com/bar/foo/index.htm?y=1");
 795                         Uri uri4 = new Uri ("http://www.contoso.com/bar/foo2/index.htm?x=0");
 796                         Uri uri5 = new Uri ("https://www.contoso.com/bar/foo/index.htm?y=1");
 797                         Uri uri6 = new Uri ("http://www.contoso2.com/bar/foo/index.htm?x=0");
 798                         Uri uri7 = new Uri ("http://www.contoso2.com/bar/foo/foobar.htm?z=0&y=5");
 799                         Uri uri8 = new Uri ("http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9);
 800
 801                         AssertEquals ("#1", "foo/bar/index.htm", uri1.MakeRelative (uri2));
 802                         AssertEquals ("#2", "../../index.htm", uri2.MakeRelative (uri1));
 803
 804                         AssertEquals ("#3", "../../bar/foo/index.htm", uri2.MakeRelative (uri3));
 805                         AssertEquals ("#4", "../../foo/bar/index.htm", uri3.MakeRelative (uri2));
 806
 807                         AssertEquals ("#5", "../foo2/index.htm", uri3.MakeRelative (uri4));
 808                         AssertEquals ("#6", "../foo/index.htm", uri4.MakeRelative (uri3));
 809
 810                         AssertEquals ("#7", "https://www.contoso.com/bar/foo/index.htm?y=1",
 811                                             uri4.MakeRelative (uri5));
 812
 813                         AssertEquals ("#8", "http://www.contoso2.com/bar/foo/index.htm?x=0",
 814                                             uri4.MakeRelative (uri6));
 815
 816                         AssertEquals ("#9", "", uri6.MakeRelative (uri6));
 817                         AssertEquals ("#10", "foobar.htm", uri6.MakeRelative (uri7));
 818
 819                         Uri uri10 = new Uri ("mailto:xxx@xxx.com");
 820                         Uri uri11 = new Uri ("mailto:xxx@xxx.com?subject=hola");
 821                         AssertEquals ("#11", "", uri10.MakeRelative (uri11));
 822
 823                         Uri uri12 = new Uri ("mailto:xxx@mail.xxx.com?subject=hola");
 824                         AssertEquals ("#12", "mailto:xxx@mail.xxx.com?subject=hola", uri10.MakeRelative (uri12));
 825
 826                         Uri uri13 = new Uri ("mailto:xxx@xxx.com/foo/bar");
 827                         AssertEquals ("#13", "/foo/bar", uri10.MakeRelative (uri13));
 828
 829                         AssertEquals ("#14", "http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9, uri1.MakeRelative (uri8));
 830                 }
 831
 832                 [Test]
 833                 public void RelativeUri ()
 834                 {
 835                         Uri u = new Uri("http://localhost/../../../a");
 836 #if NET_2_0
 837                         AssertEquals ("http://localhost/a", u.ToString ());
 838 #else
 839                         AssertEquals ("http://localhost/../../../a", u.ToString ());
 840 #endif
 841
 842                         u = new Uri ("http://localhost/../c/b/../a");
 843 #if NET_2_0
 844                         AssertEquals ("http://localhost/c/a", u.ToString ());
 845 #else
 846                         AssertEquals ("http://localhost/../c/a", u.ToString ());
 847 #endif
 848                 }
 849
 850                 [Test]
 851                 public void ToStringTest()
 852                 {
 853                         Uri uri = new Uri ("dummy://xxx");
 854                         AssertEquals ("#1", "dummy://xxx/", uri.ToString ());
 855                 }
 856
 857                 [Test]
 858                 public void CheckSchemeName ()
 859                 {
 860                         AssertEquals ("#01", false, Uri.CheckSchemeName (null));
 861                         AssertEquals ("#02", false, Uri.CheckSchemeName (""));
 862                         AssertEquals ("#03", true, Uri.CheckSchemeName ("http"));
 863                         AssertEquals ("#04", true, Uri.CheckSchemeName ("http-"));
 864                         AssertEquals ("#05", false, Uri.CheckSchemeName ("6http-"));
 865                         AssertEquals ("#06", true, Uri.CheckSchemeName ("http6-"));
 866                         AssertEquals ("#07", false, Uri.CheckSchemeName ("http6,"));
 867                         AssertEquals ("#08", true, Uri.CheckSchemeName ("http6."));
 868                         AssertEquals ("#09", false, Uri.CheckSchemeName ("+http"));
 869                         AssertEquals ("#10", true, Uri.CheckSchemeName ("htt+p6"));
 870                         // 0x00E1 -> &atilde;
 871                         AssertEquals ("#11", true, Uri.CheckSchemeName ("htt\u00E1+p6"));
 872                 }
 873
 874                 [Test]
 875                 [ExpectedException (typeof (UriFormatException))]
 876                 public void NoHostname ()
 877                 {
 878                         Uri uri = new Uri ("http://");
 879                 }
 880
 881                 [Test]
 882 #if !NET_2_0
 883                 // MS.NET 1.x throws an IndexOutOfRangeException
 884                 [Category("NotDotNet")]
 885 #endif
 886                 [Ignore("Bug #74144")]
 887                 public void NoHostname2 ()
 888                 {
 889                         Uri uri = new Uri ("file://");
 890                         AssertEquals ("#1", true, uri.IsFile);
 891                         AssertEquals ("#2", false, uri.IsUnc);
 892                         AssertEquals ("#3", "file", uri.Scheme);
 893                         AssertEquals ("#4", "/", uri.LocalPath);
 894                         AssertEquals ("#5", string.Empty, uri.Query);
 895                         AssertEquals ("#6", "/", uri.AbsolutePath);
 896                         AssertEquals ("#7", "file:///", uri.AbsoluteUri);
 897                         AssertEquals ("#8", string.Empty, uri.Authority);
 898                         AssertEquals ("#9", string.Empty, uri.Host);
 899                         AssertEquals ("#10", UriHostNameType.Basic, uri.HostNameType);
 900                         AssertEquals ("#11", string.Empty, uri.Fragment);
 901                         AssertEquals ("#12", true, uri.IsDefaultPort);
 902                         AssertEquals ("#13", true, uri.IsLoopback);
 903                         AssertEquals ("#14", "/", uri.PathAndQuery);
 904                         AssertEquals ("#15", false, uri.UserEscaped);
 905                         AssertEquals ("#16", string.Empty, uri.UserInfo);
 906                         AssertEquals ("#17", "file://", uri.GetLeftPart (UriPartial.Authority));
 907                         AssertEquals ("#18", "file:///", uri.GetLeftPart (UriPartial.Path));
 908                         AssertEquals ("#19", "file://", uri.GetLeftPart (UriPartial.Scheme));
 909                 }
 910
 911                 [Test]
 912                 public void Segments1 ()
 913                 {
 914                         Uri uri = new Uri ("http://localhost/");
 915                         string [] segments = uri.Segments;
 916                         AssertEquals ("#01", 1, segments.Length);
 917                         AssertEquals ("#02", "/", segments [0]);
 918
 919                 }
 920
 921                 [Test]
 922                 public void Segments2 ()
 923                 {
 924                         Uri uri = new Uri ("http://localhost/dir/dummypage.html");
 925                         string [] segments = uri.Segments;
 926                         AssertEquals ("#01", 3, segments.Length);
 927                         AssertEquals ("#02", "/", segments [0]);
 928                         AssertEquals ("#03", "dir/", segments [1]);
 929                         AssertEquals ("#04", "dummypage.html", segments [2]);
 930
 931                 }
 932
 933                 [Test]
 934                 public void Segments3 ()
 935                 {
 936                         Uri uri = new Uri ("http://localhost/dir/dummypage/");
 937                         string [] segments = uri.Segments;
 938                         AssertEquals ("#01", 3, segments.Length);
 939                         AssertEquals ("#02", "/", segments [0]);
 940                         AssertEquals ("#03", "dir/", segments [1]);
 941                         AssertEquals ("#04", "dummypage/", segments [2]);
 942
 943                 }
 944
 945                 [Test]
 946                 public void Segments4 ()
 947                 {
 948                         Uri uri = new Uri ("file:///c:/hello");
 949                         string [] segments = uri.Segments;
 950                         AssertEquals ("#01", 3, segments.Length);
 951                         AssertEquals ("#02", "c:", segments [0]);
 952                         AssertEquals ("#03", "/", segments [1]);
 953                         AssertEquals ("#04", "hello", segments [2]);
 954
 955                 }
 956
 957                 [Test]
 958                 public void Segments5 ()
 959                 {
 960                         Uri uri = new Uri ("http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9);
 961                         string [] segments = uri.Segments;
 962                         AssertEquals ("#01", 4, segments.Length);
 963                         AssertEquals ("#02", "/", segments [0]);
 964                         AssertEquals ("#03", "bar/", segments [1]);
 965                         AssertEquals ("#04", "foo/", segments [2]);
 966                         AssertEquals ("#05", "foobar.htm", segments [3]);
 967                 }
 968
 969                 [Test]
 970                 [ExpectedException (typeof (UriFormatException))]
 971                 public void UriStartingWithColon()
 972                 {
 973                         new Uri("://");
 974                 }
 975
 976                 [Test]
 977                 [ExpectedException (typeof (UriFormatException))]
 978                 public void EmptyScheme ()
 979                 {
 980                         new Uri ("hey");
 981                 }
 982
 983 #if NET_2_0
 984                 // on .NET 2.0 a port number is limited to UInt16.MaxValue
 985                 [ExpectedException (typeof (UriFormatException))]
 986 #endif
 987                 [Test]
 988                 public void InvalidPort1 ()
 989                 {
 990                         Uri uri = new Uri ("http://www.contoso.com:65536/foo/bar/");
 991                         AssertEquals (65536, uri.Port);
 992                 }
 993
 994 #if NET_2_0
 995                 [ExpectedException (typeof (UriFormatException))]
 996 #endif
 997                 [Test]
 998                 public void InvalidPort2 ()
 999                 {
1000                         // UInt32.MaxValue gives port == -1 !!!
1001                         Uri uri = new Uri ("http://www.contoso.com:4294967295/foo/bar/");
1002                         AssertEquals (-1, uri.Port);
1003                 }
1004
1005 #if NET_2_0
1006                 [ExpectedException (typeof (UriFormatException))]
1007 #endif
1008                 [Test]
1009                 public void InvalidPort3 ()
1010                 {
1011                         // ((uint) Int32.MaxValue + (uint) 1) gives port == -2147483648 !!!
1012                         Uri uri = new Uri ("http://www.contoso.com:2147483648/foo/bar/");
1013                         AssertEquals (-2147483648, uri.Port);
1014                 }
1015
1016 #if NET_2_0
1017                 [Test]
1018                 public void PortMax ()
1019                 {
1020                         // on .NET 2.0 a port number is limited to UInt16.MaxValue
1021                         Uri uri = new Uri ("http://www.contoso.com:65535/foo/bar/");
1022                         AssertEquals (65535, uri.Port);
1023                 }
1024 #endif
1025
1026                 class UriEx2 : Uri
1027                 {
1028                         public UriEx2 (string s) : base (s)
1029                         {
1030                         }
1031
1032                         protected override void Parse ()
1033                         {
1034                         }
1035                 }
1036
1037 #if NET_2_0
1038                 // Parse method is no longer used on .NET 2.0
1039                 [ExpectedException (typeof (UriFormatException))]
1040 #endif
1041                 [Test]
1042                 public void ParseOverride ()
1043                 {
1044                         // If this does not override base's Parse(), it will
1045                         // fail since this argument is not Absolute URI.
1046                         UriEx2 ex = new UriEx2 ("readme.txt");
1047                 }
1048
1049                 [Test]
1050                 public void UnixLocalPath ()
1051                 {
1052                         // This works--the location is not part of the absolute path
1053                         string path = "file://localhost/tmp/foo/bar";
1054                         Uri fileUri = new Uri( path );
1055                         AssertEquals (path, "/tmp/foo/bar", fileUri.AbsolutePath);
1056
1057                         // Empty path == localhost, in theory
1058                         path = "file:///c:/tmp/foo/bar";
1059                         fileUri = new Uri( path );
1060                         AssertEquals (path, "c:/tmp/foo/bar", fileUri.AbsolutePath);
1061                 }
1062
1063                 // This test doesn't work on Linux, and arguably shouldn't work.
1064                 // new Uri("file:///tmp/foo/bar").AbsolutePath returns "/tmp/foo/bar"
1065                 // on Linux, as anyone sane would expect.  It *doesn't* under .NET 1.1
1066                 // Apparently "tmp" is supposed to be a hostname (!)...
1067                 // Since "correct" behavior would confuse all Linux developers, and having
1068                 // an expected failure is evil, we'll just ignore this for now...
1069                 //
1070                 // Furthermore, Microsoft fixed this so it behaves sensibly in .NET 2.0.
1071                 //
1072                 // You are surrounded by conditional-compilation code, all alike.
1073                 // You are likely to be eaten by a Grue...
1074                 [Test]
1075 #if ONLY_1_1
1076                 [Category ("NotWorking")]
1077 #endif
1078                 public void UnixLocalPath_WTF ()
1079                 {
1080                         // Empty path == localhost, in theory
1081                         string path = "file:///tmp/foo/bar";
1082                         Uri fileUri = new Uri( path );
1083 #if NET_2_0
1084                         AssertEquals (path, "/tmp/foo/bar", fileUri.AbsolutePath);
1085 #else
1086                         AssertEquals (path, "/foo/bar", fileUri.AbsolutePath);
1087 #endif
1088                 }
1089
1090                 public static void Print (Uri uri)
1091                 {
1092                         Console.WriteLine ("ToString: " + uri.ToString ());
1093
1094                         Console.WriteLine ("AbsolutePath: " + uri.AbsolutePath);
1095                         Console.WriteLine ("AbsoluteUri: " + uri.AbsoluteUri);
1096                         Console.WriteLine ("Authority: " + uri.Authority);
1097                         Console.WriteLine ("Fragment: " + uri.Fragment);
1098                         Console.WriteLine ("Host: " + uri.Host);
1099                         Console.WriteLine ("HostNameType: " + uri.HostNameType);
1100                         Console.WriteLine ("IsDefaultPort: " + uri.IsDefaultPort);
1101                         Console.WriteLine ("IsFile: " + uri.IsFile);
1102                         Console.WriteLine ("IsLoopback: " + uri.IsLoopback);
1103                         Console.WriteLine ("IsUnc: " + uri.IsUnc);
1104                         Console.WriteLine ("LocalPath: " + uri.LocalPath);
1105                         Console.WriteLine ("PathAndQuery: " + uri.PathAndQuery);
1106                         Console.WriteLine ("Port: " + uri.Port);
1107                         Console.WriteLine ("Query: " + uri.Query);
1108                         Console.WriteLine ("Scheme: " + uri.Scheme);
1109                         Console.WriteLine ("UserEscaped: " + uri.UserEscaped);
1110                         Console.WriteLine ("UserInfo: " + uri.UserInfo);
1111
1112                         Console.WriteLine ("Segments:");
1113                         string [] segments = uri.Segments;
1114                         if (segments == null)
1115                                 Console.WriteLine ("\tNo Segments");
1116                         else
1117                                 for (int i = 0; i < segments.Length; i++)
1118                                         Console.WriteLine ("\t" + segments[i]);
1119                         Console.WriteLine ("");
1120                 }
1121
1122         }
1123 }
1124