1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> 2 <html> 3 <head> 4 <script> 5 6 function buildAccessibilityTree(accessibilityObject, indent) { 7 var str = ""; 8 for (var i = 0; i < indent; i++) 9 str += " "; 10 str += accessibilityObject.role; 11 str += " " + accessibilityObject.stringValue; 12 str += "\n"; 13 document.getElementById("tree").innerText += str; 14 15 if (accessibilityObject.stringValue.indexOf('End of test') >= 0) 16 return false; 17 18 var count = accessibilityObject.childrenCount; 19 for (var i = 0; i < count; ++i) { 20 if (!buildAccessibilityTree(accessibilityObject.childAtIndex(i), indent + 1)) 21 return false; 22 } 23 24 return true; 25 } 26 </script> 27 <script src="../fast/js/resources/js-test-pre.js"></script> 28 </head> 29 <body> 30 31 <a><div></div></a> 32 33 <a><div></div></a> 34 35 <a href="about:blank"><div></div></a> 36 37 <div>End of test</div> 38 39 <pre id="tree"></pre> 40 41 <p id="description"></p> 42 <div id="console"></div> 43 44 <script> 45 description("This can cause a crash."); 46 47 if (window.accessibilityController) { 48 // First build up full accessibility tree. 49 document.getElementById("tree").innerText += "Before:\n"; 50 document.body.focus(); 51 buildAccessibilityTree(accessibilityController.focusedElement, 0); 52 53 // Remove anchor that causes debug assert in AccessibilityRenderObject::addChildren 54 document.body.removeChild(document.body.children[2]) 55 56 // Build up full accessibility tree again. 57 document.getElementById("tree").innerText += "After:\n"; 58 document.body.focus(); 59 buildAccessibilityTree(accessibilityController.focusedElement, 0); 60 } 61 62 </script> 63 64 <script src="../fast/js/resources/js-test-post.js"></script> 65 </body> 66 </html> 67
