| <!DOCTYPE html> |
| <html> |
| <!-- |
| Test adapted from https://dxr.mozilla.org/chromium/source/src/third_party/WebKit/LayoutTests/fast/dom/TreeWalker/script-tests/traversal-skip-most.js |
| --> |
| <head> |
| <title>TreeWalker: traversal-skip-most</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="traversal-support.js"></script> |
| <div id=log></div> |
| </head> |
| <body> |
| <p>Test TreeWalker with skipping</p> |
| <script> |
| var testElement; |
| setup(function() { |
| testElement = document.createElement("div"); |
| testElement.id = 'root'; |
| // testElement.innerHTML='<div id="A1"><div id="B1" class="keep"></div><div id="B2">this text matters</div><div id="B3" class="keep"></div></div>'; |
| // <div id="A1"> |
| // <div id="B1" class="keep"></div> |
| // <div id="B2">this text matters</div> |
| // <div id="B3" class="keep"></div> |
| // </div> |
| |
| |
| // XXX for Servo, build the tree without using innerHTML |
| var a1 = document.createElement("div"); a1.id = "A1"; |
| var b1 = document.createElement("div"); b1.id = "B1"; b1.className = "keep"; |
| var b2 = document.createElement("div"); b2.id = "B2"; |
| var b3 = document.createElement("div"); b3.id = "B3"; b3.className = "keep"; |
| |
| testElement.appendChild(a1); |
| a1.appendChild(b1); |
| a1.appendChild(b2) |
| .appendChild(document.createTextNode("this text matters")); |
| a1.appendChild(b3); |
| }); |
| |
| var filter = { |
| acceptNode: function(node) { |
| if (node.className == 'keep') |
| return NodeFilter.FILTER_ACCEPT; |
| |
| return NodeFilter.FILTER_SKIP; |
| } |
| } |
| |
| test(function() |
| { |
| var walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter); |
| assert_node(walker.firstChild(), { type: Element, id: 'B1' }); |
| assert_node(walker.nextSibling(), { type: Element, id: 'B3' }); |
| }, 'Testing nextSibling'); |
| |
| test(function() |
| { |
| var walker = document.createTreeWalker(testElement, NodeFilter.SHOW_ELEMENT, filter); |
| walker.currentNode = testElement.querySelectorAll('#B3')[0]; |
| assert_node(walker.previousSibling(), { type: Element, id: 'B1' }); |
| }, 'Testing previousSibling'); |
| |
| </script> |
| </body> |
| </html> |
