Document constructor test(function() { var doc = new Document(); assert_true(doc instanceof Node, "Should be a Node"); assert_true(doc instanceof Document, "Should be a Document"); assert_false(doc instanceof XMLDocument, "Should not be an XMLDocument"); assert_equals(Object.getPrototypeOf(doc), Document.prototype, "Document should be the primary interface"); }, "new Document(): interfaces") test(function() { var doc = new Document(); assert_equals(doc.firstChild, null, "firstChild"); assert_equals(doc.lastChild, null, "lastChild"); assert_equals(doc.doctype, null, "doctype"); assert_equals(doc.documentElement, null, "documentElement"); assert_array_equals(doc.childNodes, [], "childNodes"); }, "new Document(): children") test(function() { var doc = new Document(); assert_equals(doc.URL, "about:blank"); assert_equals(doc.documentURI, "about:blank"); assert_equals(doc.compatMode, "CSS1Compat"); assert_equals(doc.characterSet, "UTF-8"); assert_equals(doc.contentType, "application/xml"); assert_equals(doc.createElement("DIV").localName, "DIV"); }, "new Document(): metadata") test(function() { var doc = new Document(); assert_equals(doc.characterSet, "UTF-8", "characterSet"); assert_equals(doc.charset, "UTF-8", "charset"); assert_equals(doc.inputEncoding, "UTF-8", "inputEncoding"); }, "new Document(): characterSet aliases")