mcs/class/System.Security/Test/System.Security.Cryptography.Xml/XmlDsigExcC14NTransformTest.cs

   1 //
   2 // XmlDsigExcC14NTransformTest.cs - NUnit Test Cases for XmlDsigExcC14NTransform
   3 //
   4 // Author:
   5 //  original:
   6 //      Sebastien Pouliot <sebastien@ximian.com>
   7 //      Aleksey Sanin (aleksey@aleksey.com)
   8 //  this file:
   9 //      Atsushi Enomoto <atsushi@ximian.com>
  10 //
  11 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
  12 // (C) 2003 Aleksey Sanin (aleksey@aleksey.com)
  13 // (C) 2004 Novell (http://www.novell.com)
  14 //
  15
  16 //
  17 // WARNING!!
  18 //      This file is simply replaced C14N->ExcC14N, and then replaced expected
  19 //      output XML. So, they are *not* from c14n specification.
  20 //
  21
  22 #if NET_2_0
  23
  24 using System;
  25 using System.IO;
  26 using System.Security.Cryptography.Xml;
  27 using System.Text;
  28 using System.Xml;
  29
  30 using NUnit.Framework;
  31
  32 namespace MonoTests.System.Security.Cryptography.Xml {
  33
  34         // Note: GetInnerXml is protected in XmlDsigExcC14NTransform making it
  35         // difficult to test properly. This class "open it up" :-)
  36         public class UnprotectedXmlDsigExcC14NTransform : XmlDsigExcC14NTransform {
  37                 public UnprotectedXmlDsigExcC14NTransform ()
  38                 {
  39                 }
  40
  41                 public UnprotectedXmlDsigExcC14NTransform (bool includeComments)
  42                         : base (includeComments)
  43                 {
  44                 }
  45
  46                 public UnprotectedXmlDsigExcC14NTransform (string inclusiveNamespacesPrefixList)
  47                         : base (inclusiveNamespacesPrefixList)
  48                 {
  49                 }
  50
  51                 public UnprotectedXmlDsigExcC14NTransform (bool includeComments, string inclusiveNamespacesPrefixList)
  52                         : base (includeComments, inclusiveNamespacesPrefixList)
  53                 {
  54                 }
  55
  56                 public XmlNodeList UnprotectedGetInnerXml () {
  57                         return base.GetInnerXml ();
  58                 }
  59         }
  60
  61         [TestFixture]
  62         public class XmlDsigExcC14NTransformTest {
  63
  64                 protected UnprotectedXmlDsigExcC14NTransform transform;
  65
  66                 [SetUp]
  67                 protected void SetUp ()
  68                 {
  69                         transform = new UnprotectedXmlDsigExcC14NTransform ();
  70                 }
  71
  72                 [TearDown]
  73                 protected void CleanUp ()
  74                 {
  75                         try {
  76                                 if (File.Exists ("doc.dtd"))
  77                                         File.Delete ("doc.dtd");
  78                                 if (File.Exists ("world.txt"))
  79                                         File.Delete ("world.txt");
  80                         }
  81                         catch {}
  82                 }
  83
  84                 [Test] // ctor ()
  85                 public void Constructor1 ()
  86                 {
  87                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
  88                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
  89                         CheckProperties (transform);
  90                 }
  91
  92                 [Test] // ctor (Boolean)
  93                 public void Constructor2 ()
  94                 {
  95                         transform = new UnprotectedXmlDsigExcC14NTransform (true);
  96                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#WithComments", transform.Algorithm, "Algorithm");
  97                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
  98                         CheckProperties (transform);
  99
 100                         transform = new UnprotectedXmlDsigExcC14NTransform (false);
 101                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 102                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 103                         CheckProperties (transform);
 104                 }
 105
 106                 [Test] // ctor (String)
 107                 public void Constructor3 ()
 108                 {
 109                         transform = new UnprotectedXmlDsigExcC14NTransform (null);
 110                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 111                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 112                         CheckProperties (transform);
 113
 114                         transform = new UnprotectedXmlDsigExcC14NTransform (string.Empty);
 115                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 116                         Assert.AreEqual (string.Empty, transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 117                         CheckProperties (transform);
 118
 119                         transform = new UnprotectedXmlDsigExcC14NTransform ("#default xsd");
 120                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 121                         Assert.AreEqual ("#default xsd", transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 122                         CheckProperties (transform);
 123                 }
 124
 125                 [Test] // ctor (Boolean, String)
 126                 public void Constructor4 ()
 127                 {
 128                         transform = new UnprotectedXmlDsigExcC14NTransform (true, null);
 129                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#WithComments", transform.Algorithm, "Algorithm");
 130                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 131                         CheckProperties (transform);
 132
 133                         transform = new UnprotectedXmlDsigExcC14NTransform (true, string.Empty);
 134                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#WithComments", transform.Algorithm, "Algorithm");
 135                         Assert.AreEqual (string.Empty, transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 136                         CheckProperties (transform);
 137
 138                         transform = new UnprotectedXmlDsigExcC14NTransform (true, "#default xsd");
 139                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#WithComments", transform.Algorithm, "Algorithm");
 140                         Assert.AreEqual ("#default xsd", transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 141                         CheckProperties (transform);
 142
 143                         transform = new UnprotectedXmlDsigExcC14NTransform (false, null);
 144                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 145                         Assert.IsNull (transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 146                         CheckProperties (transform);
 147
 148                         transform = new UnprotectedXmlDsigExcC14NTransform (false, string.Empty);
 149                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 150                         Assert.AreEqual (string.Empty, transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 151                         CheckProperties (transform);
 152
 153                         transform = new UnprotectedXmlDsigExcC14NTransform (false, "#default xsd");
 154                         Assert.AreEqual ("http://www.w3.org/2001/10/xml-exc-c14n#", transform.Algorithm, "Algorithm");
 155                         Assert.AreEqual ("#default xsd", transform.InclusiveNamespacesPrefixList, "InclusiveNamespacesPrefixList");
 156                         CheckProperties (transform);
 157                 }
 158
 159                 void CheckProperties (XmlDsigExcC14NTransform transform)
 160                 {
 161                         Type[] input = transform.InputTypes;
 162                         Assert.IsTrue ((input.Length == 3), "Input #");
 163                         // check presence of every supported input types
 164                         bool istream = false;
 165                         bool ixmldoc = false;
 166                         bool ixmlnl = false;
 167                         foreach (Type t in input) {
 168                                 if (t.ToString () == "System.IO.Stream")
 169                                         istream = true;
 170                                 if (t.ToString () == "System.Xml.XmlDocument")
 171                                         ixmldoc = true;
 172                                 if (t.ToString () == "System.Xml.XmlNodeList")
 173                                         ixmlnl = true;
 174                         }
 175                         Assert.IsTrue (istream, "Input Stream");
 176                         Assert.IsTrue (ixmldoc, "Input XmlDocument");
 177                         Assert.IsTrue (ixmlnl, "Input XmlNodeList");
 178
 179                         Type[] output = transform.OutputTypes;
 180                         Assert.IsTrue ((output.Length == 1), "Output #");
 181                         // check presence of every supported output types
 182                         bool ostream = false;
 183                         foreach (Type t in output) {
 184                                 if (t.ToString () == "System.IO.Stream")
 185                                         ostream = true;
 186                         }
 187                         Assert.IsTrue (ostream, "Output Stream");
 188                 }
 189
 190                 [Test]
 191                 public void Types ()
 192                 {
 193                         Type [] input = transform.InputTypes;
 194                         input [0] = null;
 195                         input [1] = null;
 196                         input [2] = null;
 197                         // property does not return a clone
 198                         foreach (Type t in transform.InputTypes) {
 199                                 Assert.IsNull (t);
 200                         }
 201                         // it's not a static array
 202                         XmlDsigExcC14NTransform t2 = new XmlDsigExcC14NTransform ();
 203                         foreach (Type t in t2.InputTypes) {
 204                                 Assert.IsNotNull (t);
 205                         }
 206                 }
 207
 208                 [Test]
 209                 public void GetInnerXml ()
 210                 {
 211                         XmlNodeList xnl = transform.UnprotectedGetInnerXml ();
 212                         Assert.IsNull (xnl, "Default InnerXml");
 213                 }
 214
 215                 private string Stream2String (Stream s)
 216                 {
 217                         StringBuilder sb = new StringBuilder ();
 218                         int b = s.ReadByte ();
 219                         while (b != -1) {
 220                                 sb.Append (Convert.ToChar (b));
 221                                 b = s.ReadByte ();
 222                         }
 223                         return sb.ToString ();
 224                 }
 225
 226                 static string xml = "<Test  attrib='at ' xmlns=\"http://www.go-mono.com/\" > \r\n &#xD; <Toto/> text &amp; </Test   >";
 227                 // BAD for XmlDocument input (framework 1.0 result)
 228                 static string c14xml1 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> \r\n \r <Toto></Toto> text &amp; </Test>";
 229                 // GOOD for Stream input
 230                 static string c14xml2 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> \n &#xD; <Toto></Toto> text &amp; </Test>";
 231                 // GOOD for XmlDocument input. The difference is because once
 232                 // xml string is loaded to XmlDocument, there is no difference
 233                 // between \r and &#xD;, so every \r must be handled as &#xD;.
 234                 static string c14xml3 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> &#xD;\n &#xD; <Toto></Toto> text &amp; </Test>";
 235
 236                 private XmlDocument GetDoc ()
 237                 {
 238                         XmlDocument doc = new XmlDocument ();
 239                         doc.PreserveWhitespace = true;
 240                         doc.LoadXml (xml);
 241                         return doc;
 242                 }
 243
 244                 [Test]
 245                 public void LoadInputAsXmlDocument ()
 246                 {
 247                         XmlDocument doc = GetDoc ();
 248                         transform.LoadInput (doc);
 249                         Stream s = (Stream) transform.GetOutput ();
 250                         string output = Stream2String (s);
 251                         Assert.AreEqual (c14xml3, output, "XmlDocument");
 252                 }
 253
 254                 [Test]
 255                 [Category ("NotDotNet")]
 256                 // see LoadInputAsXmlNodeList2 description
 257                 public void LoadInputAsXmlNodeList ()
 258                 {
 259                         XmlDocument doc = GetDoc ();
 260                         // Argument list just contains element Test.
 261                         transform.LoadInput (doc.ChildNodes);
 262                         Stream s = (Stream) transform.GetOutput ();
 263                         string output = Stream2String (s);
 264                         Assert.AreEqual ("<Test></Test>", output, "XmlChildNodes");
 265                 }
 266
 267                 [Test]
 268                 [Category ("NotDotNet")]
 269                 // MS has a bug that those namespace declaration nodes in
 270                 // the node-set are written to output. Related spec section is:
 271                 // http://www.w3.org/TR/2001/REC-xml-c14n-20010315#ProcessingModel
 272                 public void LoadInputAsXmlNodeList2 ()
 273                 {
 274                         XmlDocument doc = GetDoc ();
 275                         transform.LoadInput (doc.SelectNodes ("//*"));
 276                         Stream s = (Stream) transform.GetOutput ();
 277                         string output = Stream2String (s);
 278                         string expected = @"<Test><Toto></Toto></Test>";
 279                         Assert.AreEqual (expected, output, "XmlChildNodes");
 280                 }
 281
 282                 [Test]
 283                 public void LoadInputAsStream ()
 284                 {
 285                         MemoryStream ms = new MemoryStream ();
 286                         byte[] x = Encoding.ASCII.GetBytes (xml);
 287                         ms.Write (x, 0, x.Length);
 288                         ms.Position = 0;
 289                         transform.LoadInput (ms);
 290                         Stream s = (Stream) transform.GetOutput ();
 291                         string output = Stream2String (s);
 292                         Assert.AreEqual (c14xml2, output, "MemoryStream");
 293                 }
 294
 295                 [Test]
 296                 [Ignore ("LAMESPEC: input MUST be one of InputType - but no exception is thrown (not documented)")]
 297                 public void LoadInputWithUnsupportedType ()
 298                 {
 299                         byte[] bad = { 0xBA, 0xD };
 300                         transform.LoadInput (bad);
 301                 }
 302
 303                 [Test]
 304                 [ExpectedException (typeof (ArgumentException))]
 305                 public void UnsupportedOutput ()
 306                 {
 307                         XmlDocument doc = new XmlDocument();
 308                         object o = transform.GetOutput (doc.GetType ());
 309                 }
 310
 311                 [Test]
 312                 public void ExcC14NSpecExample1 ()
 313                 {
 314                         using (StreamWriter sw = new StreamWriter ("doc.dtd", false, Encoding.ASCII)) {
 315                                 sw.Write ("<!-- presence, not content, required -->");
 316                                 sw.Close ();
 317                         }
 318                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample1Input);
 319                         Assert.AreEqual (ExcC14NSpecExample1Output, res, "Example 1 from c14n spec - PIs, Comments, and Outside of Document Element (without comments)");
 320                 }
 321
 322                 [Test]
 323                 public void ExcC14NSpecExample2 ()
 324                 {
 325                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample2Input);
 326                         Assert.AreEqual (ExcC14NSpecExample2Output, res, "Example 2 from c14n spec - Whitespace in Document Content (without comments)");
 327                 }
 328
 329                 [Test]
 330                 public void ExcC14NSpecExample3 ()
 331                 {
 332                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample3Input);
 333                         Assert.AreEqual (ExcC14NSpecExample3Output, res, "Example 3 from c14n spec - Start and End Tags (without comments)");
 334                 }
 335
 336                 [Test]
 337 //              [Ignore ("This test should be fine, but it does not pass under MS.NET")]
 338                 public void ExcC14NSpecExample4 ()
 339                 {
 340                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample4Input);
 341                         Assert.AreEqual (ExcC14NSpecExample4Output, res, "Example 4 from c14n spec - Character Modifications and Character References (without comments)");
 342                 }
 343
 344                 [Test]
 345                 public void ExcC14NSpecExample5 ()
 346                 {
 347                         using (StreamWriter sw = new StreamWriter ("world.txt", false, Encoding.ASCII)) {
 348                                 sw.Write ("world");
 349                                 sw.Close ();
 350                         }
 351                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample5Input);
 352                         Assert.AreEqual (ExcC14NSpecExample5Output, res, "Example 5 from c14n spec - Entity References (without comments)");
 353                 }
 354
 355                 [Test]
 356                 public void ExcC14NSpecExample6 ()
 357                 {
 358                         string res = ExecuteXmlDSigExcC14NTransform (ExcC14NSpecExample6Input);
 359                         Assert.AreEqual (ExcC14NSpecExample6Output, res, "Example 6 from c14n spec - UTF-8 Encoding (without comments)");
 360                 }
 361
 362                 private string ExecuteXmlDSigExcC14NTransform (string InputXml)
 363                 {
 364                         XmlDocument doc = new XmlDocument ();
 365                         doc.PreserveWhitespace = true;
 366                         doc.LoadXml (InputXml);
 367
 368                         // Testing default attribute support with
 369                         // vreader.ValidationType = ValidationType.None.
 370                         //
 371                         UTF8Encoding utf8 = new UTF8Encoding ();
 372                         byte[] data = utf8.GetBytes (InputXml.ToString ());
 373                         Stream stream = new MemoryStream (data);
 374                         XmlTextReader reader = new XmlTextReader (stream);
 375                         XmlValidatingReader vreader = new XmlValidatingReader (reader);
 376                         vreader.ValidationType = ValidationType.None;
 377                         vreader.EntityHandling = EntityHandling.ExpandCharEntities;
 378                         doc.Load (vreader);
 379
 380                         transform.LoadInput (doc);
 381                         return Stream2String ((Stream)transform.GetOutput ());
 382                 }
 383
 384                 //
 385                 // Example 1 from ExcC14N spec - PIs, Comments, and Outside of Document Element:
 386                 // http://www.w3.org/TR/xml-c14n#Example-OutsideDoc
 387                 //
 388                 // Aleksey:
 389                 // removed reference to an empty external DTD
 390                 //
 391                 static string ExcC14NSpecExample1Input =
 392                         "<?xml version=\"1.0\"?>\n" +
 393                         "\n" +
 394                         "<?xml-stylesheet   href=\"doc.xsl\"\n" +
 395                         "   type=\"text/xsl\"   ?>\n" +
 396                         "\n" +
 397                         // "<!DOCTYPE doc SYSTEM \"doc.dtd\">\n" +
 398                         "\n" +
 399                         "<doc>Hello, world!<!-- Comment 1 --></doc>\n" +
 400                         "\n" +
 401                         "<?pi-without-data     ?>\n\n" +
 402                         "<!-- Comment 2 -->\n\n" +
 403                         "<!-- Comment 3 -->\n";
 404                 static string ExcC14NSpecExample1Output =
 405                         "<?xml-stylesheet href=\"doc.xsl\"\n" +
 406                         "   type=\"text/xsl\"   ?>\n" +
 407                         "<doc>Hello, world!</doc>\n" +
 408                         "<?pi-without-data?>";
 409
 410                 //
 411                 // Example 2 from ExcC14N spec - Whitespace in Document Content:
 412                 // http://www.w3.org/TR/xml-c14n#Example-WhitespaceInContent
 413                 //
 414                 static string ExcC14NSpecExample2Input =
 415                         "<doc>\n" +
 416                         "  <clean>   </clean>\n" +
 417                         "   <dirty>   A   B   </dirty>\n" +
 418                         "   <mixed>\n" +
 419                         "      A\n" +
 420                         "      <clean>   </clean>\n" +
 421                         "      B\n" +
 422                         "      <dirty>   A   B   </dirty>\n" +
 423                         "      C\n" +
 424                         "   </mixed>\n" +
 425                         "</doc>\n";
 426                 static string ExcC14NSpecExample2Output =
 427                         "<doc>\n" +
 428                         "  <clean>   </clean>\n" +
 429                         "   <dirty>   A   B   </dirty>\n" +
 430                         "   <mixed>\n" +
 431                         "      A\n" +
 432                         "      <clean>   </clean>\n" +
 433                         "      B\n" +
 434                         "      <dirty>   A   B   </dirty>\n" +
 435                         "      C\n" +
 436                         "   </mixed>\n" +
 437                         "</doc>";
 438
 439                 //
 440                 // Example 3 from ExcC14N spec - Start and End Tags:
 441                 // http://www.w3.org/TR/xml-c14n#Example-SETags
 442                 //
 443                 static string ExcC14NSpecExample3Input =
 444                         "<!DOCTYPE doc [<!ATTLIST e9 attr CDATA \"default\">]>\n" +
 445                         "<doc>\n" +
 446                         "   <e1   />\n" +
 447                         "   <e2   ></e2>\n" +
 448                         "   <e3    name = \"elem3\"   id=\"elem3\"    />\n" +
 449                         "   <e4    name=\"elem4\"   id=\"elem4\"    ></e4>\n" +
 450                         "   <e5 a:attr=\"out\" b:attr=\"sorted\" attr2=\"all\" attr=\"I\'m\"\n" +
 451                         "       xmlns:b=\"http://www.ietf.org\" \n" +
 452                         "       xmlns:a=\"http://www.w3.org\"\n" +
 453                         "       xmlns=\"http://www.uvic.ca\"/>\n" +
 454                         "   <e6 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
 455                         "       <e7 xmlns=\"http://www.ietf.org\">\n" +
 456                         "           <e8 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
 457                         "               <e9 xmlns=\"\" xmlns:a=\"http://www.ietf.org\"/>\n" +
 458                         "           </e8>\n" +
 459                         "       </e7>\n" +
 460                         "   </e6>\n" +
 461                         "</doc>\n";
 462                 static string ExcC14NSpecExample3Output =
 463                         "<doc>\n" +
 464                         "   <e1></e1>\n" +
 465                         "   <e2></e2>\n" +
 466                         "   <e3 id=\"elem3\" name=\"elem3\"></e3>\n" +
 467                         "   <e4 id=\"elem4\" name=\"elem4\"></e4>\n" +
 468                         "   <e5 xmlns=\"http://www.uvic.ca\" xmlns:a=\"http://www.w3.org\" xmlns:b=\"http://www.ietf.org\" attr=\"I\'m\" attr2=\"all\" b:attr=\"sorted\" a:attr=\"out\"></e5>\n" +
 469                         "   <e6>\n" +
 470                         "       <e7 xmlns=\"http://www.ietf.org\">\n" +
 471                         "           <e8 xmlns=\"\">\n" +
 472                         "               <e9 attr=\"default\"></e9>\n" +
 473 //                      "               <e9 xmlns:a=\"http://www.ietf.org\"></e9>\n" +
 474                         "           </e8>\n" +
 475                         "       </e7>\n" +
 476                         "   </e6>\n" +
 477                         "</doc>";
 478
 479
 480                 //
 481                 // Example 4 from ExcC14N spec - Character Modifications and Character References:
 482                 // http://www.w3.org/TR/xml-c14n#Example-Chars
 483                 //
 484                 // Aleksey:
 485                 // This test does not include "normId" element
 486                 // because it has an invalid ID attribute "id" which
 487                 // should be normalized by XML parser. Currently Mono
 488                 // does not support this (see comment after this example
 489                 // in the spec).
 490                 static string ExcC14NSpecExample4Input =
 491                         "<!DOCTYPE doc [<!ATTLIST normId id ID #IMPLIED>]>\n" +
 492                         "<doc>\n" +
 493                         "   <text>First line&#x0d;&#10;Second line</text>\n" +
 494                         "   <value>&#x32;</value>\n" +
 495                         "   <compute><![CDATA[value>\"0\" && value<\"10\" ?\"valid\":\"error\"]]></compute>\n" +
 496                         "   <compute expr=\'value>\"0\" &amp;&amp; value&lt;\"10\" ?\"valid\":\"error\"\'>valid</compute>\n" +
 497                         "   <norm attr=\' &apos;   &#x20;&#13;&#xa;&#9;   &apos; \'/>\n" +
 498                         // "   <normId id=\' &apos;   &#x20;&#13;&#xa;&#9;   &apos; \'/>\n" +
 499                         "</doc>\n";
 500                 static string ExcC14NSpecExample4Output =
 501                         "<doc>\n" +
 502                         "   <text>First line&#xD;\n" +
 503                         "Second line</text>\n" +
 504                         "   <value>2</value>\n" +
 505                         "   <compute>value&gt;\"0\" &amp;&amp; value&lt;\"10\" ?\"valid\":\"error\"</compute>\n" +
 506                         "   <compute expr=\"value>&quot;0&quot; &amp;&amp; value&lt;&quot;10&quot; ?&quot;valid&quot;:&quot;error&quot;\">valid</compute>\n" +
 507                         "   <norm attr=\" \'    &#xD;&#xA;&#x9;   \' \"></norm>\n" +
 508                         // "   <normId id=\"\' &#xD;&#xA;&#x9; \'\"></normId>\n" +
 509                         "</doc>";
 510
 511                 //
 512                 // Example 5 from ExcC14N spec - Entity References:
 513                 // http://www.w3.org/TR/xml-c14n#Example-Entities
 514                 //
 515                 static string ExcC14NSpecExample5Input =
 516                         "<!DOCTYPE doc [\n" +
 517                         "<!ATTLIST doc attrExtEnt ENTITY #IMPLIED>\n" +
 518                         "<!ENTITY ent1 \"Hello\">\n" +
 519                         "<!ENTITY ent2 SYSTEM \"world.txt\">\n" +
 520                         "<!ENTITY entExt SYSTEM \"earth.gif\" NDATA gif>\n" +
 521                         "<!NOTATION gif SYSTEM \"viewgif.exe\">\n" +
 522                         "]>\n" +
 523                         "<doc attrExtEnt=\"entExt\">\n" +
 524                         "   &ent1;, &ent2;!\n" +
 525                         "</doc>\n" +
 526                         "\n" +
 527                         "<!-- Let world.txt contain \"world\" (excluding the quotes) -->\n";
 528                 static string ExcC14NSpecExample5Output =
 529                         "<doc attrExtEnt=\"entExt\">\n" +
 530                         "   Hello, world!\n" +
 531                         "</doc>";
 532
 533                 //
 534                 // Example 6 from ExcC14N spec - UTF-8 Encoding:
 535                 // http://www.w3.org/TR/xml-c14n#Example-UTF8
 536                 //
 537                 static string ExcC14NSpecExample6Input =
 538                         "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" +
 539                         "<doc>&#169;</doc>\n";
 540                 static string ExcC14NSpecExample6Output =
 541                         "<doc>\xC2\xA9</doc>";
 542
 543
 544                 //
 545                 // Example 7 from ExcC14N spec - Document Subsets:
 546                 // http://www.w3.org/TR/xml-c14n#Example-DocSubsets
 547                 //
 548                 // Aleksey:
 549                 // Well, XPath support in Mono is far from complete....
 550                 // I was not able to simplify the xpath expression from this test
 551                 // so it runs on Mono and still makes sense for testing this feature.
 552                 // Thus this test is not included in the suite now.
 553                 static string ExcC14NSpecExample7Input =
 554                         "<!DOCTYPE doc [\n" +
 555                         "<!ATTLIST e2 xml:space (default|preserve) \'preserve\'>\n" +
 556                         "<!ATTLIST e3 id ID #IMPLIED>\n" +
 557                         "]>\n" +
 558                         "<doc xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\">\n" +
 559                         "   <e1>\n" +
 560                         "      <e2 xmlns=\"\">\n" +
 561                         "         <e3 id=\"E3\"/>\n" +
 562                         "      </e2>\n" +
 563                         "   </e1>\n" +
 564                         "</doc>\n";
 565
 566                 static string ExcC14NSpecExample7Xpath =
 567                         "(//.|//@*|//namespace::*)\n" +
 568                         "[\n" +
 569                         "self::ietf:e1\n" +
 570                         "    or\n" +
 571                         "(parent::ietf:e1 and not(self::text() or self::e2))\n" +
 572                         "    or\n" +
 573                         "count(id(\"E3\")|ancestor-or-self::node()) = count(ancestor-or-self::node())\n" +
 574                         "]";
 575                 static string ExcC14NSpecExample7Output =
 576                         "<e1 xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\"><e3 xmlns=\"\" id=\"E3\" xml:space=\"preserve\"></e3></e1>";
 577
 578                 [Test]
 579                 public void SimpleNamespacePrefixes ()
 580                 {
 581                         string input = "<a:Action xmlns:a='urn:foo'>http://tempuri.org/IFoo/Echo</a:Action>";
 582                         string expected = @"<a:Action xmlns:a=""urn:foo"">http://tempuri.org/IFoo/Echo</a:Action>";
 583
 584                         XmlDocument doc = new XmlDocument ();
 585                         doc.LoadXml (input);
 586                         XmlDsigExcC14NTransform t = new XmlDsigExcC14NTransform ();
 587                         t.LoadInput (doc);
 588                         Stream s = t.GetOutput () as Stream;
 589                         Assert.AreEqual (new StreamReader (s, Encoding.UTF8).ReadToEnd (), expected);
 590                 }
 591
 592                 [Test]
 593                 [ExpectedException (typeof (NullReferenceException))]
 594                 public void GetDigestedOutput_Null ()
 595                 {
 596                         new XmlDsigExcC14NTransform ().GetDigestedOutput (null);
 597                 }
 598         }
 599 }
 600
 601 #endif