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                 [ExpectedException (typeof (UriFormatException))]
 201                 public void InvalidScheme ()
 202                 {
 203                         new Uri ("_:/");
 204                 }
 205
 206                 [Test]
 207                 public void ConstructorsRejectRelativePath ()
 208                 {
 209                         string [] reluris = new string [] {
 210                                 "readme.txt",
 211                                 "thisdir/childdir/file",
 212                                 "./testfile"
 213                         };
 214                         string [] winRelUris = new string [] {
 215                                 "c:readme.txt"
 216                         };
 217
 218                         for (int i = 0; i < reluris.Length; i++) {
 219                                 try {
 220                                         new Uri (reluris [i]);
 221                                         Fail ("Should be failed: " + reluris [i]);
 222                                 } catch (UriFormatException) {
 223                                 }
 224                         }
 225
 226                         if (isWin32) {
 227                                 for (int i = 0; i < winRelUris.Length; i++) {
 228                                         try {
 229                                                 new Uri (winRelUris [i]);
 230                                                 Fail ("Should be failed: " + winRelUris [i]);
 231                                         } catch (UriFormatException) {
 232                                         }
 233                                 }
 234                         }
 235                 }
 236
 237
 238                 [Test]
 239                 public void LocalPath ()
 240                 {
 241                         Uri uri = new Uri ("c:\\tmp\\hello.txt");
 242                         AssertEquals ("#1a", "file:///c:/tmp/hello.txt", uri.ToString ());
 243                         AssertEquals ("#1b", "c:\\tmp\\hello.txt", uri.LocalPath);
 244                         AssertEquals ("#1c", "file", uri.Scheme);
 245                         AssertEquals ("#1d", "", uri.Host);
 246                         AssertEquals ("#1e", "c:/tmp/hello.txt", uri.AbsolutePath);
 247
 248                         uri = new Uri ("file:////////cygwin/tmp/hello.txt");
 249                         AssertEquals ("#3a", "file://cygwin/tmp/hello.txt", uri.ToString ());
 250                         if (isWin32)
 251                                 AssertEquals ("#3b win32", "\\\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 252                         else
 253                                 AssertEquals ("#3b *nix", "/tmp/hello.txt", uri.LocalPath);
 254                         AssertEquals ("#3c", "file", uri.Scheme);
 255                         AssertEquals ("#3d", "cygwin", uri.Host);
 256                         AssertEquals ("#3e", "/tmp/hello.txt", uri.AbsolutePath);
 257
 258                         uri = new Uri ("file://mymachine/cygwin/tmp/hello.txt");
 259                         AssertEquals ("#4a", "file://mymachine/cygwin/tmp/hello.txt", uri.ToString ());
 260                         if (isWin32)
 261                                 AssertEquals ("#4b win32", "\\\\mymachine\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 262                         else
 263                                 AssertEquals ("#4b *nix", "/cygwin/tmp/hello.txt", uri.LocalPath);
 264                         AssertEquals ("#4c", "file", uri.Scheme);
 265                         AssertEquals ("#4d", "mymachine", uri.Host);
 266                         AssertEquals ("#4e", "/cygwin/tmp/hello.txt", uri.AbsolutePath);
 267
 268                         uri = new Uri ("file://///c:/cygwin/tmp/hello.txt");
 269                         AssertEquals ("#5a", "file:///c:/cygwin/tmp/hello.txt", uri.ToString ());
 270                         AssertEquals ("#5b", "c:\\cygwin\\tmp\\hello.txt", uri.LocalPath);
 271                         AssertEquals ("#5c", "file", uri.Scheme);
 272                         AssertEquals ("#5d", "", uri.Host);
 273                         AssertEquals ("#5e", "c:/cygwin/tmp/hello.txt", uri.AbsolutePath);
 274                         // Hmm, they should be regarded just as a host name, since all URIs are base on absolute path.
 275                         uri = new Uri("file://one_file.txt");
 276                         AssertEquals("#6a", "file://one_file.txt", uri.ToString());
 277                         if (isWin32)
 278                                 AssertEquals("#6b", "\\\\one_file.txt", uri.LocalPath);
 279                         else
 280                                 AssertEquals("#6b", "/", uri.LocalPath);
 281                         AssertEquals("#6c", "file", uri.Scheme);
 282                         AssertEquals("#6d", "one_file.txt", uri.Host);
 283                         AssertEquals("#6e", "", uri.AbsolutePath);
 284                 }
 285
 286                 [Test]
 287                 public void UnixPath () {
 288                         if (!isWin32)
 289                                 AssertEquals ("#6a", "file:///cygwin/tmp/hello.txt", new Uri ("/cygwin/tmp/hello.txt").ToString ());
 290                 }
 291
 292                 [Test]
 293                 public void Unc ()
 294                 {
 295                         Uri uri = new Uri ("http://www.contoso.com");
 296                         Assert ("#1", !uri.IsUnc);
 297
 298                         uri = new Uri ("news:123456@contoso.com");
 299                         Assert ("#2", !uri.IsUnc);
 300
 301                         uri = new Uri ("file://server/filename.ext");
 302                         Assert ("#3", uri.IsUnc);
 303
 304                         uri = new Uri (@"\\server\share\filename.ext");
 305                         Assert ("#6", uri.IsUnc);
 306
 307                         uri = new Uri (@"a:\dir\filename.ext");
 308                         Assert ("#8", !uri.IsUnc);
 309                 }
 310
 311                 [Test]
 312                 [Category("NotDotNet")]
 313                 public void UncFail ()
 314                 {
 315                         Uri uri = new Uri ("/home/user/dir/filename.ext");
 316                         Assert ("#7", !uri.IsUnc);
 317                 }
 318
 319                 [Test]
 320                 public void FromHex ()
 321                 {
 322                         AssertEquals ("#1", 0, Uri.FromHex ('0'));
 323                         AssertEquals ("#2", 9, Uri.FromHex ('9'));
 324                         AssertEquals ("#3", 10, Uri.FromHex ('a'));
 325                         AssertEquals ("#4", 15, Uri.FromHex ('f'));
 326                         AssertEquals ("#5", 10, Uri.FromHex ('A'));
 327                         AssertEquals ("#6", 15, Uri.FromHex ('F'));
 328                         try {
 329                                 Uri.FromHex ('G');
 330                                 Fail ("#7");
 331                         } catch (ArgumentException) {}
 332                         try {
 333                                 Uri.FromHex (' ');
 334                                 Fail ("#8");
 335                         } catch (ArgumentException) {}
 336                         try {
 337                                 Uri.FromHex ('%');
 338                                 Fail ("#8");
 339                         } catch (ArgumentException) {}
 340                 }
 341
 342                 class UriEx : Uri
 343                 {
 344                         public UriEx (string s) : base (s)
 345                         {
 346                         }
 347
 348                         public string UnescapeString (string s)
 349                         {
 350                                 return Unescape (s);
 351                         }
 352
 353                         public static string UnescapeString (string uri, string target)
 354                         {
 355                                 return new UriEx (uri).UnescapeString (target);
 356                         }
 357                 }
 358
 359                 [Test]
 360                 public void Unescape ()
 361                 {
 362                         AssertEquals ("#1", "#", UriEx.UnescapeString ("file://localhost/c#", "%23"));
 363                         AssertEquals ("#2", "c#", UriEx.UnescapeString ("file://localhost/c#", "c%23"));
 364                         AssertEquals ("#3", "\xA9", UriEx.UnescapeString ("file://localhost/c#", "%A9"));
 365                         AssertEquals ("#1", "#", UriEx.UnescapeString ("http://localhost/c#", "%23"));
 366                         AssertEquals ("#2", "c#", UriEx.UnescapeString ("http://localhost/c#", "c%23"));
 367                         AssertEquals ("#3", "\xA9", UriEx.UnescapeString ("http://localhost/c#", "%A9"));
 368                 }
 369
 370                 [Test]
 371                 public void HexEscape ()
 372                 {
 373                         AssertEquals ("#1","%20", Uri.HexEscape (' '));
 374                         AssertEquals ("#2","%A9", Uri.HexEscape ((char) 0xa9));
 375                         AssertEquals ("#3","%41", Uri.HexEscape ('A'));
 376                         try {
 377                                 Uri.HexEscape ((char) 0x0369);
 378                                 Fail ("#4");
 379                         } catch (ArgumentOutOfRangeException) {}
 380                 }
 381
 382                 [Test]
 383                 public void HexUnescape ()
 384                 {
 385                         int i = 0;
 386                         AssertEquals ("#1", ' ', Uri.HexUnescape ("%20", ref i));
 387                         AssertEquals ("#2", 3, i);
 388                         i = 4;
 389                         AssertEquals ("#3", (char) 0xa9, Uri.HexUnescape ("test%a9test", ref i));
 390                         AssertEquals ("#4", 7, i);
 391                         AssertEquals ("#5", 't', Uri.HexUnescape ("test%a9test", ref i));
 392                         AssertEquals ("#6", 8, i);
 393                         i = 4;
 394                         AssertEquals ("#5", '%', Uri.HexUnescape ("test%a", ref i));
 395                         AssertEquals ("#6", 5, i);
 396                         AssertEquals ("#7", '%', Uri.HexUnescape ("testx%xx", ref i));
 397                         AssertEquals ("#8", 6, i);
 398                 }
 399
 400                 [Test]
 401                 public void IsHexDigit ()
 402                 {
 403                         Assert ("#1", Uri.IsHexDigit ('a'));
 404                         Assert ("#2", Uri.IsHexDigit ('f'));
 405                         Assert ("#3", !Uri.IsHexDigit ('g'));
 406                         Assert ("#4", Uri.IsHexDigit ('0'));
 407                         Assert ("#5", Uri.IsHexDigit ('9'));
 408                         Assert ("#6", Uri.IsHexDigit ('A'));
 409                         Assert ("#7", Uri.IsHexDigit ('F'));
 410                         Assert ("#8", !Uri.IsHexDigit ('G'));
 411                 }
 412
 413                 [Test]
 414                 public void IsHexEncoding ()
 415                 {
 416                         Assert ("#1", Uri.IsHexEncoding ("test%a9test", 4));
 417                         Assert ("#2", !Uri.IsHexEncoding ("test%a9test", 3));
 418                         Assert ("#3", Uri.IsHexEncoding ("test%a9", 4));
 419                         Assert ("#4", !Uri.IsHexEncoding ("test%a", 4));
 420                 }
 421
 422                 [Test]
 423                 public void GetLeftPart ()
 424                 {
 425                         Uri uri = new Uri ("http://www.contoso.com/index.htm#main");
 426                         AssertEquals ("#1", "http://", uri.GetLeftPart (UriPartial.Scheme));
 427                         AssertEquals ("#2", "http://www.contoso.com", uri.GetLeftPart (UriPartial.Authority));
 428                         AssertEquals ("#3", "http://www.contoso.com/index.htm", uri.GetLeftPart (UriPartial.Path));
 429
 430                         uri = new Uri ("mailto:user@contoso.com?subject=uri");
 431                         AssertEquals ("#4", "mailto:", uri.GetLeftPart (UriPartial.Scheme));
 432                         AssertEquals ("#5", "", uri.GetLeftPart (UriPartial.Authority));
 433                         AssertEquals ("#6", "mailto:user@contoso.com", uri.GetLeftPart (UriPartial.Path));
 434
 435                         uri = new Uri ("nntp://news.contoso.com/123456@contoso.com");
 436                         AssertEquals ("#7", "nntp://", uri.GetLeftPart (UriPartial.Scheme));
 437                         AssertEquals ("#8", "nntp://news.contoso.com", uri.GetLeftPart (UriPartial.Authority));
 438                         AssertEquals ("#9", "nntp://news.contoso.com/123456@contoso.com", uri.GetLeftPart (UriPartial.Path));
 439
 440                         uri = new Uri ("news:123456@contoso.com");
 441                         AssertEquals ("#10", "news:", uri.GetLeftPart (UriPartial.Scheme));
 442                         AssertEquals ("#11", "", uri.GetLeftPart (UriPartial.Authority));
 443                         AssertEquals ("#12", "news:123456@contoso.com", uri.GetLeftPart (UriPartial.Path));
 444
 445                         uri = new Uri ("file://server/filename.ext");
 446                         AssertEquals ("#13", "file://", uri.GetLeftPart (UriPartial.Scheme));
 447                         AssertEquals ("#14", "file://server", uri.GetLeftPart (UriPartial.Authority));
 448                         AssertEquals ("#15", "file://server/filename.ext", uri.GetLeftPart (UriPartial.Path));
 449
 450                         uri = new Uri (@"\\server\share\filename.ext");
 451                         AssertEquals ("#20", "file://", uri.GetLeftPart (UriPartial.Scheme));
 452                         AssertEquals ("#21", "file://server", uri.GetLeftPart (UriPartial.Authority));
 453                         AssertEquals ("#22", "file://server/share/filename.ext", uri.GetLeftPart (UriPartial.Path));
 454
 455                         uri = new Uri ("http://www.contoso.com:8080/index.htm#main");
 456                         AssertEquals ("#23", "http://", uri.GetLeftPart (UriPartial.Scheme));
 457                         AssertEquals ("#24", "http://www.contoso.com:8080", uri.GetLeftPart (UriPartial.Authority));
 458                         AssertEquals ("#25", "http://www.contoso.com:8080/index.htm", uri.GetLeftPart (UriPartial.Path));
 459                 }
 460
 461                 [Test]
 462                 public void NewsDefaultPort ()
 463                 {
 464                         Uri uri = new Uri("news://localhost:119/");
 465                         AssertEquals ("#1", uri.IsDefaultPort, true);
 466                 }
 467
 468                 [Test]
 469                 public void FragmentEscape ()
 470                 {
 471                         Uri u = new Uri("http://localhost/index.asp#main#start", false);
 472                         AssertEquals ("#1", u.Fragment, "#main%23start");
 473
 474                         u = new Uri("http://localhost/index.asp#main#start", true);
 475                         AssertEquals ("#2", u.Fragment, "#main#start");
 476
 477                         // The other code path uses a BaseUri
 478
 479                         Uri b = new Uri ("http://www.gnome.org");
 480                         Uri n = new Uri (b, "blah#main#start");
 481                         AssertEquals ("#3", n.Fragment, "#main%23start");
 482
 483                         n = new Uri (b, "blah#main#start", true);
 484                         AssertEquals ("#3", n.Fragment, "#main#start");
 485                 }
 486
 487                 [Test]
 488                 [ExpectedException(typeof(UriFormatException))]
 489                 public void IncompleteSchemeDelimiter ()
 490                 {
 491                         new Uri ("file:/filename.ext");
 492                 }
 493
 494                 [Test]
 495                 [Category("NotDotNet")]
 496                 public void CheckHostName1 ()
 497                 {
 498                         // reported to MSDN Product Feedback Center (FDBK28671)
 499                         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"));
 500                 }
 501
 502                 [Test]
 503                 public void CheckHostName2 ()
 504                 {
 505                         AssertEquals ("#1", UriHostNameType.Unknown, Uri.CheckHostName (null));
 506                         AssertEquals ("#2", UriHostNameType.Unknown, Uri.CheckHostName (""));
 507                         AssertEquals ("#3", UriHostNameType.Unknown, Uri.CheckHostName ("^&()~`!@"));
 508                         AssertEquals ("#4", UriHostNameType.Dns, Uri.CheckHostName ("x"));
 509                         AssertEquals ("#5", UriHostNameType.IPv4, Uri.CheckHostName ("1.2.3.4"));
 510                         AssertEquals ("#6", UriHostNameType.IPv4, Uri.CheckHostName ("0001.002.03.4"));
 511                         AssertEquals ("#7", UriHostNameType.Dns, Uri.CheckHostName ("0001.002.03.256"));
 512                         AssertEquals ("#8", UriHostNameType.Dns, Uri.CheckHostName ("9001.002.03.4"));
 513                         AssertEquals ("#9", UriHostNameType.Dns, Uri.CheckHostName ("www.contoso.com"));
 514                         AssertEquals ("#10", UriHostNameType.Unknown, Uri.CheckHostName (".www.contoso.com"));
 515                         AssertEquals ("#11", UriHostNameType.Dns, Uri.CheckHostName ("www.contoso.com."));
 516                         AssertEquals ("#12", UriHostNameType.Dns, Uri.CheckHostName ("www.con-toso.com"));
 517                         AssertEquals ("#13", UriHostNameType.Dns, Uri.CheckHostName ("www.con_toso.com"));
 518                         AssertEquals ("#14", UriHostNameType.Unknown, Uri.CheckHostName ("www.con,toso.com"));
 519
 520                         // test IPv6
 521                         AssertEquals ("#15", UriHostNameType.IPv6, Uri.CheckHostName ("11:22:33:44:55:66:77:88"));
 522                         AssertEquals ("#16", UriHostNameType.IPv6, Uri.CheckHostName ("11::33:44:55:66:77:88"));
 523                         AssertEquals ("#17", UriHostNameType.IPv6, Uri.CheckHostName ("::22:33:44:55:66:77:88"));
 524                         AssertEquals ("#18", UriHostNameType.IPv6, Uri.CheckHostName ("11:22:33:44:55:66:77::"));
 525                         AssertEquals ("#19", UriHostNameType.IPv6, Uri.CheckHostName ("11::88"));
 526                         AssertEquals ("#20", UriHostNameType.IPv6, Uri.CheckHostName ("11::77:88"));
 527                         AssertEquals ("#21", UriHostNameType.IPv6, Uri.CheckHostName ("11:22::88"));
 528                         AssertEquals ("#22", UriHostNameType.IPv6, Uri.CheckHostName ("11::"));
 529                         AssertEquals ("#23", UriHostNameType.IPv6, Uri.CheckHostName ("::88"));
 530                         AssertEquals ("#24", UriHostNameType.IPv6, Uri.CheckHostName ("::1"));
 531                         AssertEquals ("#25", UriHostNameType.IPv6, Uri.CheckHostName ("::"));
 532                         AssertEquals ("#26", UriHostNameType.IPv6, Uri.CheckHostName ("0:0:0:0:0:0:127.0.0.1"));
 533                         AssertEquals ("#27", UriHostNameType.IPv6, Uri.CheckHostName ("::127.0.0.1"));
 534                         AssertEquals ("#28", UriHostNameType.IPv6, Uri.CheckHostName ("::ffFF:169.32.14.5"));
 535                         AssertEquals ("#29", UriHostNameType.IPv6, Uri.CheckHostName ("2001:03A0::/35"));
 536                         AssertEquals ("#30", UriHostNameType.IPv6, Uri.CheckHostName ("[2001:03A0::/35]"));
 537                         AssertEquals ("#33", UriHostNameType.IPv6, Uri.CheckHostName ("2001::03A0:1.2.3.4"));
 538
 539                         AssertEquals ("#31", UriHostNameType.Unknown, Uri.CheckHostName ("2001::03A0::/35"));
 540                         AssertEquals ("#32", UriHostNameType.Unknown, Uri.CheckHostName ("2001:03A0::/35a"));
 541                         AssertEquals ("#34", UriHostNameType.Unknown, Uri.CheckHostName ("::ffff:123.256.155.43"));
 542                         AssertEquals ("#35", UriHostNameType.Unknown, Uri.CheckHostName (":127.0.0.1"));
 543                         AssertEquals ("#37", UriHostNameType.Unknown, Uri.CheckHostName ("::11:22:33:44:55:66:77:88"));
 544                         AssertEquals ("#38", UriHostNameType.Unknown, Uri.CheckHostName ("11:22:33:44:55:66:77:88::"));
 545                         AssertEquals ("#39", UriHostNameType.Unknown, Uri.CheckHostName ("11:22:33:44:55:66:77:88:"));
 546                         AssertEquals ("#40", UriHostNameType.Unknown, Uri.CheckHostName ("::acbde"));
 547                         AssertEquals ("#41", UriHostNameType.Unknown, Uri.CheckHostName ("::abce:"));
 548                         AssertEquals ("#42", UriHostNameType.Unknown, Uri.CheckHostName ("::abcg"));
 549                         AssertEquals ("#43", UriHostNameType.Unknown, Uri.CheckHostName (":::"));
 550                         AssertEquals ("#44", UriHostNameType.Unknown, Uri.CheckHostName (":"));
 551                 }
 552
 553                 [Test]
 554                 public void IsLoopback ()
 555                 {
 556                         Uri uri = new Uri("http://loopback:8080");
 557                         AssertEquals ("#1", true, uri.IsLoopback);
 558                         uri = new Uri("http://localhost:8080");
 559                         AssertEquals ("#2", true, uri.IsLoopback);
 560                         uri = new Uri("http://127.0.0.1:8080");
 561                         AssertEquals ("#3", true, uri.IsLoopback);
 562                         uri = new Uri("http://127.0.0.001:8080");
 563                         AssertEquals ("#4", true, uri.IsLoopback);
 564                         uri = new Uri("http://[::1]");
 565                         AssertEquals ("#5", true, uri.IsLoopback);
 566                         uri = new Uri("http://[::1]:8080");
 567                         AssertEquals ("#6", true, uri.IsLoopback);
 568                         uri = new Uri("http://[::0001]:8080");
 569                         AssertEquals ("#7", true, uri.IsLoopback);
 570                         uri = new Uri("http://[0:0:0:0::1]:8080");
 571                         AssertEquals ("#8", true, uri.IsLoopback);
 572                         uri = new Uri("http://[0:0:0:0::127.0.0.1]:8080");
 573                         AssertEquals ("#9", true, uri.IsLoopback);
 574                         uri = new Uri("http://[0:0:0:0::127.11.22.33]:8080");
 575                         AssertEquals ("#10", false, uri.IsLoopback);
 576                         uri = new Uri("http://[::ffff:127.11.22.33]:8080");
 577                         AssertEquals ("#11", false, uri.IsLoopback);
 578                         uri = new Uri("http://[::ff00:7f11:2233]:8080");
 579                         AssertEquals ("#12", false, uri.IsLoopback);
 580                         uri = new Uri("http://[1:0:0:0::1]:8080");
 581                         AssertEquals ("#13", false, uri.IsLoopback);
 582                 }
 583
 584                 [Test]
 585                 public void Equals1 ()
 586                 {
 587                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 588                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm#fragment");
 589                         Assert ("#1", uri1.Equals (uri2));
 590                         Assert ("#3", !uri2.Equals ("http://www.contoso.com/index.html?x=1"));
 591                         Assert ("#4", !uri1.Equals ("http://www.contoso.com:8080/index.htm?x=1"));
 592                 }
 593
 594                 [Test]
 595 #if !NET_2_0
 596                 [Category("NotDotNet")]
 597 #endif
 598                 public void Equals2 ()
 599                 {
 600                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 601                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm?x=1");
 602                         Assert ("#2 known to fail with ms.net 1.x", !uri1.Equals (uri2));
 603                 }
 604
 605                 [Test]
 606                 public void TestEquals2 ()
 607                 {
 608                         Uri a = new Uri ("http://www.go-mono.com");
 609                         Uri b = new Uri ("http://www.go-mono.com");
 610
 611                         AssertEquals ("#1", a, b);
 612
 613                         a = new Uri ("mailto:user:pwd@go-mono.com?subject=uri");
 614                         b = new Uri ("MAILTO:USER:PWD@GO-MONO.COM?SUBJECT=URI");
 615
 616                         AssertEquals ("#2", a, b);
 617
 618                         a = new Uri ("http://www.go-mono.com/ports/");
 619                         b = new Uri ("http://www.go-mono.com/PORTS/");
 620
 621                         Assert ("#3", !a.Equals (b));
 622                 }
 623
 624                 [Test]
 625                 public void GetHashCodeTest ()
 626                 {
 627                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm#main");
 628                         Uri uri2 = new Uri ("http://www.contoso.com/index.htm#fragment");
 629                         AssertEquals ("#1", uri1.GetHashCode (), uri2.GetHashCode ());
 630                         uri2 = new Uri ("http://www.contoso.com/index.htm?x=1");
 631                         Assert ("#2", uri1.GetHashCode () != uri2.GetHashCode ());
 632                         uri2 = new Uri ("http://www.contoso.com:80/index.htm");
 633                         AssertEquals ("#3", uri1.GetHashCode (), uri2.GetHashCode ());
 634                         uri2 = new Uri ("http://www.contoso.com:8080/index.htm");
 635                         Assert ("#4", uri1.GetHashCode () != uri2.GetHashCode ());
 636                 }
 637
 638                 [Test]
 639                 public void MakeRelative ()
 640                 {
 641                         Uri uri1 = new Uri ("http://www.contoso.com/index.htm?x=2");
 642                         Uri uri2 = new Uri ("http://www.contoso.com/foo/bar/index.htm#fragment");
 643                         Uri uri3 = new Uri ("http://www.contoso.com/bar/foo/index.htm?y=1");
 644                         Uri uri4 = new Uri ("http://www.contoso.com/bar/foo2/index.htm?x=0");
 645                         Uri uri5 = new Uri ("https://www.contoso.com/bar/foo/index.htm?y=1");
 646                         Uri uri6 = new Uri ("http://www.contoso2.com/bar/foo/index.htm?x=0");
 647                         Uri uri7 = new Uri ("http://www.contoso2.com/bar/foo/foobar.htm?z=0&y=5");
 648                         Uri uri8 = new Uri ("http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9);
 649
 650                         AssertEquals ("#1", "foo/bar/index.htm", uri1.MakeRelative (uri2));
 651                         AssertEquals ("#2", "../../index.htm", uri2.MakeRelative (uri1));
 652
 653                         AssertEquals ("#3", "../../bar/foo/index.htm", uri2.MakeRelative (uri3));
 654                         AssertEquals ("#4", "../../foo/bar/index.htm", uri3.MakeRelative (uri2));
 655
 656                         AssertEquals ("#5", "../foo2/index.htm", uri3.MakeRelative (uri4));
 657                         AssertEquals ("#6", "../foo/index.htm", uri4.MakeRelative (uri3));
 658
 659                         AssertEquals ("#7", "https://www.contoso.com/bar/foo/index.htm?y=1",
 660                                             uri4.MakeRelative (uri5));
 661
 662                         AssertEquals ("#8", "http://www.contoso2.com/bar/foo/index.htm?x=0",
 663                                             uri4.MakeRelative (uri6));
 664
 665                         AssertEquals ("#9", "", uri6.MakeRelative (uri6));
 666                         AssertEquals ("#10", "foobar.htm", uri6.MakeRelative (uri7));
 667
 668                         Uri uri10 = new Uri ("mailto:xxx@xxx.com");
 669                         Uri uri11 = new Uri ("mailto:xxx@xxx.com?subject=hola");
 670                         AssertEquals ("#11", "", uri10.MakeRelative (uri11));
 671
 672                         Uri uri12 = new Uri ("mailto:xxx@mail.xxx.com?subject=hola");
 673                         AssertEquals ("#12", "mailto:xxx@mail.xxx.com?subject=hola", uri10.MakeRelative (uri12));
 674
 675                         Uri uri13 = new Uri ("mailto:xxx@xxx.com/foo/bar");
 676                         AssertEquals ("#13", "/foo/bar", uri10.MakeRelative (uri13));
 677
 678                         AssertEquals ("#14", "http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9, uri1.MakeRelative (uri8));
 679                 }
 680
 681                 [Test]
 682                 public void ToStringTest()
 683                 {
 684                         Uri uri = new Uri ("dummy://xxx");
 685                         AssertEquals ("#1", "dummy://xxx/", uri.ToString ());
 686                 }
 687
 688                 [Test]
 689                 public void CheckSchemeName ()
 690                 {
 691                         AssertEquals ("#01", false, Uri.CheckSchemeName (null));
 692                         AssertEquals ("#02", false, Uri.CheckSchemeName (""));
 693                         AssertEquals ("#03", true, Uri.CheckSchemeName ("http"));
 694                         AssertEquals ("#04", true, Uri.CheckSchemeName ("http-"));
 695                         AssertEquals ("#05", false, Uri.CheckSchemeName ("6http-"));
 696                         AssertEquals ("#06", true, Uri.CheckSchemeName ("http6-"));
 697                         AssertEquals ("#07", false, Uri.CheckSchemeName ("http6,"));
 698                         AssertEquals ("#08", true, Uri.CheckSchemeName ("http6."));
 699                         AssertEquals ("#09", false, Uri.CheckSchemeName ("+http"));
 700                         AssertEquals ("#10", true, Uri.CheckSchemeName ("htt+p6"));
 701                         // 0x00E1 -> &atilde;
 702                         AssertEquals ("#11", true, Uri.CheckSchemeName ("htt\u00E1+p6"));
 703                 }
 704
 705                 [Test]
 706                 [ExpectedException (typeof (UriFormatException))]
 707                 public void NoHostname ()
 708                 {
 709                         Uri uri = new Uri ("http://");
 710                 }
 711
 712                 [Test]
 713 #if !NET_2_0
 714                 // MS.NET 1.x throws an IndexOutOfRangeException
 715                 [Category("NotDotNet")]
 716 #endif
 717                 [Ignore("Bug #74144")]
 718                 public void NoHostname2 ()
 719                 {
 720                         Uri uri = new Uri ("file://");
 721                         AssertEquals ("#1", true, uri.IsFile);
 722                         AssertEquals ("#2", false, uri.IsUnc);
 723                         AssertEquals ("#3", "file", uri.Scheme);
 724                         AssertEquals ("#4", "/", uri.LocalPath);
 725                         AssertEquals ("#5", string.Empty, uri.Query);
 726                         AssertEquals ("#6", "/", uri.AbsolutePath);
 727                         AssertEquals ("#7", "file:///", uri.AbsoluteUri);
 728                         AssertEquals ("#8", string.Empty, uri.Authority);
 729                         AssertEquals ("#9", string.Empty, uri.Host);
 730                         AssertEquals ("#10", UriHostNameType.Basic, uri.HostNameType);
 731                         AssertEquals ("#11", string.Empty, uri.Fragment);
 732                         AssertEquals ("#12", true, uri.IsDefaultPort);
 733                         AssertEquals ("#13", true, uri.IsLoopback);
 734                         AssertEquals ("#14", "/", uri.PathAndQuery);
 735                         AssertEquals ("#15", false, uri.UserEscaped);
 736                         AssertEquals ("#16", string.Empty, uri.UserInfo);
 737                         AssertEquals ("#17", "file://", uri.GetLeftPart (UriPartial.Authority));
 738                         AssertEquals ("#18", "file:///", uri.GetLeftPart (UriPartial.Path));
 739                         AssertEquals ("#19", "file://", uri.GetLeftPart (UriPartial.Scheme));
 740                 }
 741
 742                 [Test]
 743                 public void Segments1 ()
 744                 {
 745                         Uri uri = new Uri ("http://localhost/");
 746                         string [] segments = uri.Segments;
 747                         AssertEquals ("#01", 1, segments.Length);
 748                         AssertEquals ("#02", "/", segments [0]);
 749
 750                 }
 751
 752                 [Test]
 753                 public void Segments2 ()
 754                 {
 755                         Uri uri = new Uri ("http://localhost/dir/dummypage.html");
 756                         string [] segments = uri.Segments;
 757                         AssertEquals ("#01", 3, segments.Length);
 758                         AssertEquals ("#02", "/", segments [0]);
 759                         AssertEquals ("#03", "dir/", segments [1]);
 760                         AssertEquals ("#04", "dummypage.html", segments [2]);
 761
 762                 }
 763
 764                 [Test]
 765                 public void Segments3 ()
 766                 {
 767                         Uri uri = new Uri ("http://localhost/dir/dummypage/");
 768                         string [] segments = uri.Segments;
 769                         AssertEquals ("#01", 3, segments.Length);
 770                         AssertEquals ("#02", "/", segments [0]);
 771                         AssertEquals ("#03", "dir/", segments [1]);
 772                         AssertEquals ("#04", "dummypage/", segments [2]);
 773
 774                 }
 775
 776                 [Test]
 777                 public void Segments4 ()
 778                 {
 779                         Uri uri = new Uri ("file:///c:/hello");
 780                         string [] segments = uri.Segments;
 781                         AssertEquals ("#01", 3, segments.Length);
 782                         AssertEquals ("#02", "c:", segments [0]);
 783                         AssertEquals ("#03", "/", segments [1]);
 784                         AssertEquals ("#04", "hello", segments [2]);
 785
 786                 }
 787
 788                 [Test]
 789                 public void Segments5 ()
 790                 {
 791                         Uri uri = new Uri ("http://www.xxx.com/bar/foo/foobar.htm?z=0&y=5" + (char) 0xa9);
 792                         string [] segments = uri.Segments;
 793                         AssertEquals ("#01", 4, segments.Length);
 794                         AssertEquals ("#02", "/", segments [0]);
 795                         AssertEquals ("#03", "bar/", segments [1]);
 796                         AssertEquals ("#04", "foo/", segments [2]);
 797                         AssertEquals ("#05", "foobar.htm", segments [3]);
 798                 }
 799
 800                 [Test]
 801                 [ExpectedException (typeof (UriFormatException))]
 802                 public void UriStartingWithColon()
 803                 {
 804                         new Uri("://");
 805                 }
 806
 807                 [Test]
 808                 [ExpectedException (typeof (UriFormatException))]
 809                 public void EmptyScheme ()
 810                 {
 811                         new Uri ("hey");
 812                 }
 813
 814                 [Test]
 815                 public void InvalidPortsThatWorkWithMS ()
 816                 {
 817                         new Uri ("http://www.contoso.com:12345678/foo/bar/");
 818                         // UInt32.MaxValue gives port == -1 !!!
 819                         new Uri ("http://www.contoso.com:4294967295/foo/bar/");
 820                         // ((uint) Int32.MaxValue + (uint) 1) gives port == -2147483648 !!!
 821                         new Uri ("http://www.contoso.com:2147483648/foo/bar/");
 822                 }
 823
 824                 class UriEx2 : Uri
 825                 {
 826                         public UriEx2 (string s) : base (s)
 827                         {
 828                         }
 829
 830                         protected override void Parse ()
 831                         {
 832                         }
 833                 }
 834
 835                 [Test]
 836                 public void ParseOverride ()
 837                 {
 838                         // If this does not override base's Parse(), it will
 839                         // fail since this argument is not Absolute URI.
 840                         UriEx2 ex = new UriEx2 ("readme.txt");
 841                 }
 842
 843                 [Test]
 844                 public void UnixLocalPath ()
 845                 {
 846                         // This works--the location is not part of the absolute path
 847                         string path = "file://localhost/tmp/foo/bar";
 848                         Uri fileUri = new Uri( path );
 849                         AssertEquals (path, "/tmp/foo/bar", fileUri.AbsolutePath);
 850
 851                         // Empty path == localhost, in theory
 852                         path = "file:///c:/tmp/foo/bar";
 853                         fileUri = new Uri( path );
 854                         AssertEquals (path, "c:/tmp/foo/bar", fileUri.AbsolutePath);
 855                 }
 856
 857                 // This test doesn't work on Linux, and arguably shouldn't work.
 858                 // new Uri("file:///tmp/foo/bar").AbsolutePath returns "/tmp/foo/bar"
 859                 // on Linux, as anyone sane would expect.  It *doesn't* under .NET 1.1
 860                 // Apparently "tmp" is supposed to be a hostname (!)...
 861                 // Since "correct" behavior would confuse all Linux developers, and having
 862                 // an expected failure is evil, we'll just ignore this for now...
 863                 //
 864                 // Furthermore, Microsoft fixed this so it behaves sensibly in .NET 2.0.
 865                 //
 866                 // You are surrounded by conditional-compilation code, all alike.
 867                 // You are likely to be eaten by a Grue...
 868                 [Test]
 869 #if ONLY_1_1
 870                 [Category ("NotWorking")]
 871 #endif
 872                 public void UnixLocalPath_WTF ()
 873                 {
 874                         // Empty path == localhost, in theory
 875                         string path = "file:///tmp/foo/bar";
 876                         Uri fileUri = new Uri( path );
 877 #if NET_2_0
 878                         AssertEquals (path, "/tmp/foo/bar", fileUri.AbsolutePath);
 879 #else
 880                         AssertEquals (path, "/foo/bar", fileUri.AbsolutePath);
 881 #endif
 882                 }
 883
 884                 public static void Print (Uri uri)
 885                 {
 886                         Console.WriteLine ("ToString: " + uri.ToString ());
 887
 888                         Console.WriteLine ("AbsolutePath: " + uri.AbsolutePath);
 889                         Console.WriteLine ("AbsoluteUri: " + uri.AbsoluteUri);
 890                         Console.WriteLine ("Authority: " + uri.Authority);
 891                         Console.WriteLine ("Fragment: " + uri.Fragment);
 892                         Console.WriteLine ("Host: " + uri.Host);
 893                         Console.WriteLine ("HostNameType: " + uri.HostNameType);
 894                         Console.WriteLine ("IsDefaultPort: " + uri.IsDefaultPort);
 895                         Console.WriteLine ("IsFile: " + uri.IsFile);
 896                         Console.WriteLine ("IsLoopback: " + uri.IsLoopback);
 897                         Console.WriteLine ("IsUnc: " + uri.IsUnc);
 898                         Console.WriteLine ("LocalPath: " + uri.LocalPath);
 899                         Console.WriteLine ("PathAndQuery: " + uri.PathAndQuery);
 900                         Console.WriteLine ("Port: " + uri.Port);
 901                         Console.WriteLine ("Query: " + uri.Query);
 902                         Console.WriteLine ("Scheme: " + uri.Scheme);
 903                         Console.WriteLine ("UserEscaped: " + uri.UserEscaped);
 904                         Console.WriteLine ("UserInfo: " + uri.UserInfo);
 905
 906                         Console.WriteLine ("Segments:");
 907                         string [] segments = uri.Segments;
 908                         if (segments == null)
 909                                 Console.WriteLine ("\tNo Segments");
 910                         else
 911                                 for (int i = 0; i < segments.Length; i++)
 912                                         Console.WriteLine ("\t" + segments[i]);
 913                         Console.WriteLine ("");
 914                 }
 915
 916         }
 917 }
 918