
PASS For Element nodes, nodeName should return the same as tagName.
PASS For Text nodes, nodeName should return "#text".
PASS For ProcessingInstruction nodes, nodeName should return the target.
PASS For Comment nodes, nodeName should return "#comment".
PASS For Document nodes, nodeName should return "#document".
PASS For DocumentType nodes, nodeName should return the name.
PASS For DocumentFragment nodes, nodeName should return "#document-fragment".