Tests type enforcement on DOM setters.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS document.body = nodelist; threw exception TypeError: The Document.body attribute must be an instance of HTMLElement.
PASS table.tHead = nodelist; threw exception TypeError: The HTMLTableElement.tHead attribute must be an instance of HTMLTableSectionElement.
PASS successfullyParsed is true

TEST COMPLETE