public void FindByAttributeNameTest()
{
HtmlElement root = new HtmlElement("root");
HtmlNodeCollection target = new HtmlNodeCollection(root);
target.Add(new HtmlElement("first"));
target.Add(new HtmlElement("second"));
target.Add(new HtmlElement("third"));
((HtmlElement)target[0]).Nodes.Add(new HtmlElement("secondchild"));
((HtmlElement)target[1]).Attributes.Add(new HtmlAttribute("firstattribute"));
((HtmlElement)target[1]).Attributes.Add(new HtmlAttribute("secondattribute"));
((HtmlElement)target[2]).Attributes.Add(new HtmlAttribute("firstattribute"));
Assert.AreEqual(target.FindByAttributeName("firstattribute").Count, 2);
((HtmlElement)((HtmlElement)target[0]).Nodes[0]).Attributes.Add(new HtmlAttribute("firstattribute"));
Assert.AreEqual(target.FindByAttributeName("firstattribute", false).Count, 2);
Assert.AreEqual(target.FindByAttributeName("firstattribute", true).Count, 3);
}
