public void XPathQueryUsageTest()
{
// Prepare an HTML code
var code = @"
<div class='happy'>
<div>
<span>Hello!</span>
</div>
</div>
<p class='happy'>
<span>World</span>
</p>
";
// Initialize a document based on the prepared code
using (var document = new HTMLDocument(code, "."))
{
// Here we evaluate the XPath expression where we select all child SPAN elements from elements whose 'class' attribute equals to 'happy':
var result = document.Evaluate("//*[@class='happy']//span",
document,
null,
XPathResultType.Any,
null);
// Iterate over the resulted nodes
for (Node node; (node = result.IterateNext()) != null;)
{
Output.WriteLine(node.TextContent);
// output: Hello
// output: World!
}
Assert.True(document.QuerySelectorAll("div").Length > 0);
}
}
