public void NodeReaderLookupNamespaceWithEmptyXml()
{
var xmlDoc = new XmlDocument();
var nodeReader = new XmlNodeReader(xmlDoc);
Assert.Null(nodeReader.LookupNamespace(string.Empty));
}
public override string LookupNamespace(string prefix)
{
if (IsXmlDataNode)
{
return(_xmlNodeReader.LookupNamespace(prefix));
}
return((string)s_prefixToNsTable[prefix]);
}
public void NodeReaderLookupNamespaceWithValidXml()
{
string xml = "<book xmlns:bk='urn:samples'> " +
"<title>Pride And Prejudice</title>" +
"<bk:genre>novel</bk:genre>" +
"</book>";
XmlNodeReader nodeReader = NodeReaderTestHelper.CreateNodeReader(xml);
Assert.Equal(string.Empty, nodeReader.LocalName);
Assert.Equal(string.Empty, nodeReader.Name);
Assert.Equal(string.Empty, nodeReader.NamespaceURI);
Assert.Equal(string.Empty, nodeReader.Prefix);
var namespaceResolver = nodeReader as IXmlNamespaceResolver;
Assert.Equal(string.Empty, namespaceResolver.LookupNamespace(string.Empty));
Assert.True(nodeReader.Read());
Assert.True(nodeReader.Read());
Assert.True(nodeReader.Read());
Assert.Null(nodeReader.LookupNamespace(string.Empty));
namespaceResolver = nodeReader as IXmlNamespaceResolver;
Assert.Equal(string.Empty, namespaceResolver.LookupNamespace(string.Empty));
Assert.True(nodeReader.Read());
Assert.True(nodeReader.Read());
Assert.Equal("genre", nodeReader.LocalName);
Assert.Equal("bk:genre", nodeReader.Name);
Assert.Equal("urn:samples", nodeReader.LookupNamespace(nodeReader.Prefix));
Assert.Equal("bk", nodeReader.Prefix);
namespaceResolver = nodeReader as IXmlNamespaceResolver;
Assert.Equal("bk", namespaceResolver.LookupPrefix("urn:samples"));
Assert.Equal("urn:samples", namespaceResolver.LookupNamespace("bk"));
IDictionary <string, string> namespaces = namespaceResolver.GetNamespacesInScope(XmlNamespaceScope.All);
Assert.True(namespaces.ContainsKey("bk") && namespaces["bk"].Equals("urn:samples"));
Assert.True(namespaces.ContainsKey("xml"));
}
public override string LookupNamespace(string prefix)
{
if (IsXmlDataNode)
{
return(xmlNodeReader.LookupNamespace(prefix));
}
if (!prefixToNsTable.TryGetValue(prefix, out string ns))
{
return(null);
}
return(ns);
}
