535 lines
20 KiB
C#
535 lines
20 KiB
C#
//
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// XmlDsigC14NTransformTest.cs - NUnit Test Cases for XmlDsigC14NTransform
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//
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// Author:
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// Sebastien Pouliot <sebastien@ximian.com>
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// Aleksey Sanin (aleksey@aleksey.com)
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//
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// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
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// (C) 2003 Aleksey Sanin (aleksey@aleksey.com)
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// (C) 2004 Novell (http://www.novell.com)
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//
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#if !MOBILE
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using System;
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using System.IO;
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using System.Security.Cryptography.Xml;
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using System.Text;
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using System.Xml;
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using NUnit.Framework;
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namespace MonoTests.System.Security.Cryptography.Xml {
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// Note: GetInnerXml is protected in XmlDsigC14NTransform making it
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// difficult to test properly. This class "open it up" :-)
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public class UnprotectedXmlDsigC14NTransform : XmlDsigC14NTransform {
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public UnprotectedXmlDsigC14NTransform ()
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{
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}
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public UnprotectedXmlDsigC14NTransform (bool includeComments)
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: base (includeComments)
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{
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}
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public XmlNodeList UnprotectedGetInnerXml () {
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return base.GetInnerXml ();
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}
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}
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[TestFixture]
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public class XmlDsigC14NTransformTest {
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protected UnprotectedXmlDsigC14NTransform transform;
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[SetUp]
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protected void SetUp ()
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{
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transform = new UnprotectedXmlDsigC14NTransform ();
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}
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[TearDown]
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protected void CleanUp ()
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{
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try {
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if (File.Exists ("doc.dtd"))
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File.Delete ("doc.dtd");
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if (File.Exists ("world.txt"))
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File.Delete ("world.txt");
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}
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catch {}
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}
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[Test] // ctor ()
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public void Constructor1 ()
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{
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Assert.AreEqual ("http://www.w3.org/TR/2001/REC-xml-c14n-20010315", transform.Algorithm, "Algorithm");
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CheckProperties (transform);
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}
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[Test] // ctor (Boolean)
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public void Constructor2 ()
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{
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transform = new UnprotectedXmlDsigC14NTransform (true);
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Assert.AreEqual ("http://www.w3.org/TR/2001/REC-xml-c14n-20010315#WithComments", transform.Algorithm, "Algorithm");
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CheckProperties (transform);
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transform = new UnprotectedXmlDsigC14NTransform (false);
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Assert.AreEqual ("http://www.w3.org/TR/2001/REC-xml-c14n-20010315", transform.Algorithm, "Algorithm");
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CheckProperties (transform);
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}
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void CheckProperties (XmlDsigC14NTransform transform)
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{
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Type[] input = transform.InputTypes;
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Assert.IsTrue ((input.Length == 3), "Input #");
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// check presence of every supported input types
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bool istream = false;
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bool ixmldoc = false;
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bool ixmlnl = false;
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foreach (Type t in input) {
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if (t.ToString () == "System.IO.Stream")
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istream = true;
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if (t.ToString () == "System.Xml.XmlDocument")
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ixmldoc = true;
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if (t.ToString () == "System.Xml.XmlNodeList")
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ixmlnl = true;
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}
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Assert.IsTrue (istream, "Input Stream");
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Assert.IsTrue (ixmldoc, "Input XmlDocument");
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Assert.IsTrue (ixmlnl, "Input XmlNodeList");
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Type[] output = transform.OutputTypes;
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Assert.IsTrue ((output.Length == 1), "Output #");
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// check presence of every supported output types
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bool ostream = false;
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foreach (Type t in output) {
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if (t.ToString () == "System.IO.Stream")
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ostream = true;
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}
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Assert.IsTrue (ostream, "Output Stream");
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}
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[Test]
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public void GetInnerXml ()
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{
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XmlNodeList xnl = transform.UnprotectedGetInnerXml ();
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Assert.IsNull (xnl, "Default InnerXml");
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}
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private string Stream2String (Stream s)
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{
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StringBuilder sb = new StringBuilder ();
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int b = s.ReadByte ();
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while (b != -1) {
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sb.Append (Convert.ToChar (b));
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b = s.ReadByte ();
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}
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return sb.ToString ();
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}
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static string xml = "<Test attrib='at ' xmlns=\"http://www.go-mono.com/\" > \r\n 
 <Toto/> text & </Test >";
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// BAD for XmlDocument input (framework 1.0 result)
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static string c14xml1 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> \r\n \r <Toto></Toto> text & </Test>";
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// GOOD for Stream input
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static string c14xml2 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> \n 
 <Toto></Toto> text & </Test>";
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// GOOD for XmlDocument input. The difference is because once
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// xml string is loaded to XmlDocument, there is no difference
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// between \r and 
, so every \r must be handled as 
.
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static string c14xml3 = "<Test xmlns=\"http://www.go-mono.com/\" attrib=\"at \"> 
\n 
 <Toto></Toto> text & </Test>";
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private XmlDocument GetDoc ()
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{
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XmlDocument doc = new XmlDocument ();
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doc.PreserveWhitespace = true;
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doc.LoadXml (xml);
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return doc;
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}
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[Test]
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public void LoadInputAsXmlDocument ()
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{
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XmlDocument doc = GetDoc ();
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transform.LoadInput (doc);
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Stream s = (Stream) transform.GetOutput ();
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string output = Stream2String (s);
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Assert.AreEqual (c14xml3, output, "XmlDocument");
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}
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[Test]
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// see LoadInputAsXmlNodeList2 description
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public void LoadInputAsXmlNodeList ()
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{
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XmlDocument doc = GetDoc ();
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// Argument list just contains element Test.
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transform.LoadInput (doc.ChildNodes);
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Stream s = (Stream) transform.GetOutput ();
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string output = Stream2String (s);
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Assert.AreEqual ("<Test xmlns=\"http://www.go-mono.com/\"></Test>", output, "XmlChildNodes");
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}
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[Test]
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// MS has a bug that those namespace declaration nodes in
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// the node-set are written to output. Related spec section is:
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// http://www.w3.org/TR/2001/REC-xml-c14n-20010315#ProcessingModel
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public void LoadInputAsXmlNodeList2 ()
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{
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XmlDocument doc = GetDoc ();
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transform.LoadInput (doc.SelectNodes ("//*"));
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Stream s = (Stream) transform.GetOutput ();
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string output = Stream2String (s);
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string expected = "<Test xmlns=\"http://www.go-mono.com/\"><Toto></Toto></Test>";
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Assert.AreEqual (expected, output, "XmlChildNodes");
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}
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[Test]
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public void LoadInputAsStream ()
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{
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MemoryStream ms = new MemoryStream ();
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byte[] x = Encoding.ASCII.GetBytes (xml);
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ms.Write (x, 0, x.Length);
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ms.Position = 0;
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transform.LoadInput (ms);
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Stream s = (Stream) transform.GetOutput ();
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string output = Stream2String (s);
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Assert.AreEqual (c14xml2, output, "MemoryStream");
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void LoadInputWithUnsupportedType ()
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{
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byte[] bad = { 0xBA, 0xD };
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transform.LoadInput (bad);
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void UnsupportedOutput ()
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{
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XmlDocument doc = new XmlDocument();
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object o = transform.GetOutput (doc.GetType ());
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}
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[Test]
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public void C14NSpecExample1 ()
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{
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using (StreamWriter sw = new StreamWriter ("doc.dtd", false, Encoding.ASCII)) {
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sw.Write ("<!-- presence, not content, required -->");
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sw.Close ();
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}
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample1Input);
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Assert.AreEqual (C14NSpecExample1Output, res, "Example 1 from c14n spec - PIs, Comments, and Outside of Document Element (without comments)");
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}
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[Test]
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public void C14NSpecExample2 ()
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{
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample2Input);
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Assert.AreEqual (C14NSpecExample2Output, res, "Example 2 from c14n spec - Whitespace in Document Content (without comments)");
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}
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[Test]
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public void C14NSpecExample3 ()
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{
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample3Input);
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Assert.AreEqual (C14NSpecExample3Output, res, "Example 3 from c14n spec - Start and End Tags (without comments)");
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}
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[Test]
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// [Ignore ("This test should be fine, but it does not pass under MS.NET")]
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public void C14NSpecExample4 ()
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{
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample4Input);
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Assert.AreEqual (C14NSpecExample4Output, res, "Example 4 from c14n spec - Character Modifications and Character References (without comments)");
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}
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[Test]
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[Ignore(".NET DOM implementation does not match W3C DOM specification.")]
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public void C14NSpecExample5 ()
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{
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using (StreamWriter sw = new StreamWriter ("world.txt", false, Encoding.ASCII)) {
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sw.Write ("world");
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sw.Close ();
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}
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample5Input);
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Assert.AreEqual (C14NSpecExample5Output, res, "Example 5 from c14n spec - Entity References (without comments)");
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}
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[Test]
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public void C14NSpecExample6 ()
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{
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string res = ExecuteXmlDSigC14NTransform (C14NSpecExample6Input);
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Assert.AreEqual (C14NSpecExample6Output, res, "Example 6 from c14n spec - UTF-8 Encoding (without comments)");
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}
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private string ExecuteXmlDSigC14NTransform (string InputXml)
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{
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XmlDocument doc = new XmlDocument ();
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doc.PreserveWhitespace = true;
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doc.LoadXml (InputXml);
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// Testing default attribute support with
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// vreader.ValidationType = ValidationType.None.
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//
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UTF8Encoding utf8 = new UTF8Encoding ();
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byte[] data = utf8.GetBytes (InputXml.ToString ());
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Stream stream = new MemoryStream (data);
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XmlTextReader reader = new XmlTextReader (stream);
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XmlValidatingReader vreader = new XmlValidatingReader (reader);
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vreader.ValidationType = ValidationType.None;
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vreader.EntityHandling = EntityHandling.ExpandCharEntities;
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doc.Load (vreader);
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transform.LoadInput (doc);
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return Stream2String ((Stream)transform.GetOutput ());
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}
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//
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// Example 1 from C14N spec - PIs, Comments, and Outside of Document Element:
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// http://www.w3.org/TR/xml-c14n#Example-OutsideDoc
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//
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// Aleksey:
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// removed reference to an empty external DTD
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//
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static string C14NSpecExample1Input =
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"<?xml version=\"1.0\"?>\n" +
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"\n" +
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"<?xml-stylesheet href=\"doc.xsl\"\n" +
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" type=\"text/xsl\" ?>\n" +
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"\n" +
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// "<!DOCTYPE doc SYSTEM \"doc.dtd\">\n" +
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"\n" +
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"<doc>Hello, world!<!-- Comment 1 --></doc>\n" +
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"\n" +
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"<?pi-without-data ?>\n\n" +
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"<!-- Comment 2 -->\n\n" +
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"<!-- Comment 3 -->\n";
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static string C14NSpecExample1Output =
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"<?xml-stylesheet href=\"doc.xsl\"\n" +
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" type=\"text/xsl\" ?>\n" +
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"<doc>Hello, world!</doc>\n" +
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"<?pi-without-data?>";
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//
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// Example 2 from C14N spec - Whitespace in Document Content:
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// http://www.w3.org/TR/xml-c14n#Example-WhitespaceInContent
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//
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static string C14NSpecExample2Input =
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"<doc>\n" +
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" <clean> </clean>\n" +
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" <dirty> A B </dirty>\n" +
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" <mixed>\n" +
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" A\n" +
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" <clean> </clean>\n" +
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" B\n" +
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" <dirty> A B </dirty>\n" +
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" C\n" +
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" </mixed>\n" +
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"</doc>\n";
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static string C14NSpecExample2Output =
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"<doc>\n" +
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" <clean> </clean>\n" +
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" <dirty> A B </dirty>\n" +
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" <mixed>\n" +
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" A\n" +
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" <clean> </clean>\n" +
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" B\n" +
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" <dirty> A B </dirty>\n" +
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" C\n" +
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" </mixed>\n" +
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"</doc>";
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//
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// Example 3 from C14N spec - Start and End Tags:
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// http://www.w3.org/TR/xml-c14n#Example-SETags
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//
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static string C14NSpecExample3Input =
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"<!DOCTYPE doc [<!ATTLIST e9 attr CDATA \"default\">]>\n" +
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"<doc>\n" +
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" <e1 />\n" +
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" <e2 ></e2>\n" +
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" <e3 name = \"elem3\" id=\"elem3\" />\n" +
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" <e4 name=\"elem4\" id=\"elem4\" ></e4>\n" +
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" <e5 a:attr=\"out\" b:attr=\"sorted\" attr2=\"all\" attr=\"I\'m\"\n" +
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" xmlns:b=\"http://www.ietf.org\" \n" +
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" xmlns:a=\"http://www.w3.org\"\n" +
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" xmlns=\"http://www.uvic.ca\"/>\n" +
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" <e6 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
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" <e7 xmlns=\"http://www.ietf.org\">\n" +
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" <e8 xmlns=\"\" xmlns:a=\"http://www.w3.org\">\n" +
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" <e9 xmlns=\"\" xmlns:a=\"http://www.ietf.org\"/>\n" +
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" </e8>\n" +
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" </e7>\n" +
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" </e6>\n" +
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"</doc>\n";
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static string C14NSpecExample3Output =
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"<doc>\n" +
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" <e1></e1>\n" +
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" <e2></e2>\n" +
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" <e3 id=\"elem3\" name=\"elem3\"></e3>\n" +
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" <e4 id=\"elem4\" name=\"elem4\"></e4>\n" +
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" <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" +
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" <e6 xmlns:a=\"http://www.w3.org\">\n" +
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" <e7 xmlns=\"http://www.ietf.org\">\n" +
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" <e8 xmlns=\"\">\n" +
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" <e9 xmlns:a=\"http://www.ietf.org\" attr=\"default\"></e9>\n" +
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// " <e9 xmlns:a=\"http://www.ietf.org\"></e9>\n" +
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" </e8>\n" +
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" </e7>\n" +
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" </e6>\n" +
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"</doc>";
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//
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// Example 4 from C14N spec - Character Modifications and Character References:
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// http://www.w3.org/TR/xml-c14n#Example-Chars
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//
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// Aleksey:
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// This test does not include "normId" element
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// because it has an invalid ID attribute "id" which
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// should be normalized by XML parser. Currently Mono
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// does not support this (see comment after this example
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// in the spec).
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static string C14NSpecExample4Input =
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"<!DOCTYPE doc [<!ATTLIST normId id ID #IMPLIED>]>\n" +
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"<doc>\n" +
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" <text>First line
 Second line</text>\n" +
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" <value>2</value>\n" +
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" <compute><![CDATA[value>\"0\" && value<\"10\" ?\"valid\":\"error\"]]></compute>\n" +
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" <compute expr=\'value>\"0\" && value<\"10\" ?\"valid\":\"error\"\'>valid</compute>\n" +
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" <norm attr=\' '   
	 ' \'/>\n" +
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// " <normId id=\' '   
	 ' \'/>\n" +
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"</doc>\n";
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static string C14NSpecExample4Output =
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"<doc>\n" +
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" <text>First line
\n" +
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"Second line</text>\n" +
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" <value>2</value>\n" +
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" <compute>value>\"0\" && value<\"10\" ?\"valid\":\"error\"</compute>\n" +
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" <compute expr=\"value>"0" && value<"10" ?"valid":"error"\">valid</compute>\n" +
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" <norm attr=\" \' 
	 \' \"></norm>\n" +
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// " <normId id=\"\' 
	 \'\"></normId>\n" +
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"</doc>";
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//
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// Example 5 from C14N spec - Entity References:
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// http://www.w3.org/TR/xml-c14n#Example-Entities
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//
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static string C14NSpecExample5Input =
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"<!DOCTYPE doc [\n" +
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"<!ATTLIST doc attrExtEnt ENTITY #IMPLIED>\n" +
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"<!ENTITY ent1 \"Hello\">\n" +
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"<!ENTITY ent2 SYSTEM \"world.txt\">\n" +
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"<!ENTITY entExt SYSTEM \"earth.gif\" NDATA gif>\n" +
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"<!NOTATION gif SYSTEM \"viewgif.exe\">\n" +
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"]>\n" +
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"<doc attrExtEnt=\"entExt\">\n" +
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" &ent1;, &ent2;!\n" +
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"</doc>\n" +
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"\n" +
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"<!-- Let world.txt contain \"world\" (excluding the quotes) -->\n";
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static string C14NSpecExample5Output =
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"<doc attrExtEnt=\"entExt\">\n" +
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" Hello, world!\n" +
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"</doc>";
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//
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// Example 6 from C14N spec - UTF-8 Encoding:
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// http://www.w3.org/TR/xml-c14n#Example-UTF8
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//
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static string C14NSpecExample6Input =
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"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" +
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"<doc>©</doc>\n";
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static string C14NSpecExample6Output =
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"<doc>\xC2\xA9</doc>";
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//
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// Example 7 from C14N spec - Document Subsets:
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// http://www.w3.org/TR/xml-c14n#Example-DocSubsets
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//
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// Aleksey:
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// Well, XPath support in Mono is far from complete....
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// I was not able to simplify the xpath expression from this test
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// so it runs on Mono and still makes sense for testing this feature.
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// Thus this test is not included in the suite now.
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static string C14NSpecExample7Input =
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"<!DOCTYPE doc [\n" +
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"<!ATTLIST e2 xml:space (default|preserve) \'preserve\'>\n" +
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"<!ATTLIST e3 id ID #IMPLIED>\n" +
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"]>\n" +
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"<doc xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\">\n" +
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" <e1>\n" +
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" <e2 xmlns=\"\">\n" +
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" <e3 id=\"E3\"/>\n" +
|
|
" </e2>\n" +
|
|
" </e1>\n" +
|
|
"</doc>\n";
|
|
|
|
static string C14NSpecExample7Xpath =
|
|
"(//.|//@*|//namespace::*)\n" +
|
|
"[\n" +
|
|
"self::ietf:e1\n" +
|
|
" or\n" +
|
|
"(parent::ietf:e1 and not(self::text() or self::e2))\n" +
|
|
" or\n" +
|
|
"count(id(\"E3\")|ancestor-or-self::node()) = count(ancestor-or-self::node())\n" +
|
|
"]";
|
|
static string C14NSpecExample7Output =
|
|
"<e1 xmlns=\"http://www.ietf.org\" xmlns:w3c=\"http://www.w3.org\"><e3 xmlns=\"\" id=\"E3\" xml:space=\"preserve\"></e3></e1>";
|
|
|
|
[Test]
|
|
public void SimpleNamespacePrefixes ()
|
|
{
|
|
string input = "<a:Action xmlns:a='urn:foo'>http://tempuri.org/IFoo/Echo</a:Action>";
|
|
string expected = @"<a:Action xmlns:a=""urn:foo"">http://tempuri.org/IFoo/Echo</a:Action>";
|
|
|
|
XmlDocument doc = new XmlDocument ();
|
|
doc.LoadXml (input);
|
|
XmlDsigC14NTransform t = new XmlDsigC14NTransform ();
|
|
t.LoadInput (doc);
|
|
Stream s = t.GetOutput () as Stream;
|
|
Assert.AreEqual (new StreamReader (s, Encoding.UTF8).ReadToEnd (), expected);
|
|
}
|
|
|
|
[Test]
|
|
public void OrdinalSortForAttributes ()
|
|
{
|
|
XmlDocument doc = new XmlDocument ();
|
|
string xml = "<foo Aa=\"one\" Bb=\"two\" aa=\"three\" bb=\"four\"><bar></bar></foo>";
|
|
doc.LoadXml (xml);
|
|
|
|
transform.LoadInput (doc);
|
|
Stream s = (Stream) transform.GetOutput ();
|
|
string output = Stream2String (s);
|
|
Assert.AreEqual (xml, output);
|
|
}
|
|
|
|
[Test]
|
|
[Ignore ("find out how PropagatedNamespaces returns non-null instance on .NET")]
|
|
public void PropagatedNamespaces ()
|
|
{
|
|
XmlDocument doc = new XmlDocument ();
|
|
doc.AppendChild (doc.CreateElement ("foo", "urn:foo"));
|
|
doc.DocumentElement.AppendChild (doc.CreateElement ("bar", "urn:bar"));
|
|
Assert.AreEqual (String.Empty, doc.DocumentElement.GetAttribute ("xmlns:f"), "#1");
|
|
XmlDsigExcC14NTransform t = new XmlDsigExcC14NTransform ();
|
|
t.LoadInput (doc);
|
|
t.PropagatedNamespaces.Add ("f", "urn:foo");
|
|
t.PropagatedNamespaces.Add ("b", "urn:bar");
|
|
Stream s = t.GetOutput () as Stream;
|
|
Assert.AreEqual (new StreamReader (s, Encoding.UTF8).ReadToEnd (), "<f:foo xmlns:f=\"urn:foo\"><b:bar xmlns:b=\"urn:bar\"></b:bar></f:foo>");
|
|
Assert.AreEqual ("urn:foo", doc.DocumentElement.GetAttribute ("xmlns:f"), "#2");
|
|
}
|
|
|
|
[Test]
|
|
[ExpectedException (typeof (NullReferenceException))]
|
|
public void GetDigestedOutput_Null ()
|
|
{
|
|
new XmlDsigExcC14NTransform ().GetDigestedOutput (null);
|
|
}
|
|
}
|
|
}
|
|
#endif |