Tests related to parameters of the NamedNodeMap API On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS namedNodeMap.__proto__ is NamedNodeMap.prototype * Not enough parameters PASS namedNodeMap.getNamedItem() threw exception TypeError: Not enough arguments. PASS namedNodeMap.setNamedItem() threw exception TypeError: Not enough arguments. PASS namedNodeMap.removeNamedItem() threw exception TypeError: Not enough arguments. PASS namedNodeMap.item() threw exception TypeError: Not enough arguments. PASS namedNodeMap.getNamedItemNS() threw exception TypeError: Not enough arguments. PASS namedNodeMap.getNamedItemNS(null) threw exception TypeError: Not enough arguments. PASS namedNodeMap.setNamedItemNS() threw exception TypeError: Not enough arguments. PASS namedNodeMap.removeNamedItemNS() threw exception TypeError: Not enough arguments. PASS namedNodeMap.removeNamedItemNS(null) threw exception TypeError: Not enough arguments. * Wrong parameter type PASS namedNodeMap.setNamedItem(notAnAttr) threw exception TypeError: Argument 1 ('attr') to NamedNodeMap.setNamedItem must be an instance of Attr. PASS namedNodeMap.setNamedItemNS(notAnAttr) threw exception TypeError: Argument 1 ('attr') to NamedNodeMap.setNamedItemNS must be an instance of Attr. PASS successfullyParsed is true TEST COMPLETE