TreeWalker-walking-outside-a-tree.html (1451B)
1 <!DOCTYPE html> 2 <html> 3 <!-- 4 Test adapted from https://github.com/operasoftware/presto-testo/blob/master/core/standards/acid3/individual/006a.html 5 --> 6 <head> 7 <title>TreeWalker: walking-outside-a-tree</title> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="support/assert-node.js"></script> 11 <div id=log></div> 12 </head> 13 <body> 14 <p>[Acid3 - Test 006a] walking outside a tree</p> 15 <script> 16 test(function () { 17 // test 6: walking outside a tree 18 var doc = document.createElement("div"); 19 var head = document.createElement('head'); 20 var title = document.createElement('title'); 21 var body = document.createElement('body'); 22 var p = document.createElement('p'); 23 doc.appendChild(head); 24 head.appendChild(title); 25 doc.appendChild(body); 26 body.appendChild(p); 27 28 var w = document.createTreeWalker(body, 0xFFFFFFFF, null); 29 doc.removeChild(body); 30 assert_equals(w.lastChild(), p, "TreeWalker failed after removing the current node from the tree"); 31 doc.appendChild(p); 32 assert_equals(w.previousNode(), title, "failed to handle regrafting correctly"); 33 p.appendChild(body); 34 assert_equals(w.nextNode(), p, "couldn't retrace steps"); 35 assert_equals(w.nextNode(), body, "couldn't step back into root"); 36 assert_equals(w.previousNode(), null, "root didn't retake its rootish position"); 37 }, "walking outside a tree"); 38 </script> 39 </body> 40 </html>