public void Compare2()
{
// sibling/following/preceding
XNodeDocumentOrderComparer c = XNode.DocumentOrderComparer;
XElement el = XElement.Parse("<n1><n11><n111/><n112/></n11><n12><n121><n1211/><n1212/></n121></n12></n1>");
Assert.IsTrue(c.Compare(el.FirstNode, el.LastNode) < 0, "#3-1"); // following-sibling
Assert.IsTrue(c.Compare(el.LastNode, el.FirstNode) > 0, "#3-2"); // preceding-sibling
Assert.IsTrue(c.Compare(el.FirstNode, ((XContainer)el.LastNode).FirstNode) < 0, "#3-3"); // following
Assert.IsTrue(c.Compare(((XContainer)el.LastNode).FirstNode, el.FirstNode) > 0, "#3-4"); // preceding
}
public void Compare1()
{
// ancestors/descendants
XNodeDocumentOrderComparer c = XNode.DocumentOrderComparer;
XElement el = XElement.Parse("<foo><bar/></foo>");
Assert.IsTrue(c.Compare(el, el.FirstNode) < 0, "#1-1");
Assert.IsTrue(c.Compare(el.FirstNode, el) > 0, "#1-2");
XDocument doc = XDocument.Parse("<foo><bar/></foo>");
Assert.IsTrue(c.Compare(doc, doc.FirstNode) < 0, "#2-1");
Assert.IsTrue(c.Compare(doc.FirstNode, doc) > 0, "#2-2");
el = XDocument.Parse("<root><foo><f1/><f2/></foo><bar/></root>").Root;
XElement e2 = el.FirstNode as XElement;
Assert.IsTrue(c.Compare(e2, e2.FirstNode) < 0, "#3-1");
Assert.IsTrue(c.Compare(e2, e2.LastNode) < 0, "#3-2");
}
