| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../resources/accessibility-helper.js"></script> |
| <script src="../resources/js-test.js"></script> |
| </head> |
| <body id="body" role="group"> |
| |
| <ul id="ul"> |
| <li id="li1">One</li> |
| <li>Two</li> |
| <li>Three</li> |
| </ul> |
| |
| <script> |
| var output = "This test ensures that we don't crash when removing an object from the AX tree whose child recently changed aria-hidden status.\n\n"; |
| |
| function dumpAccessibilityChildren(element, level) { |
| let indent = ""; |
| for (let k = 0; k < level; k++) { indent += " "; } |
| |
| output += `${indent}${element.role} ${element.title} ${element.description}\n`; |
| for (let k = 0; k < element.childrenCount; k++) |
| dumpAccessibilityChildren(element.childAtIndex(k), level + 1) |
| return true; |
| } |
| |
| if (window.accessibilityController) { |
| window.jsTestIsAsync = true; |
| dumpAccessibilityChildren(accessibilityController.accessibleElementById("body"), 0); |
| |
| output += "\nMaking #li1 aria-hidden and #ul display:none.\n"; |
| document.getElementById("li1").setAttribute("aria-hidden", "true"); |
| document.getElementById("ul").style.display = "none" |
| setTimeout(async function() { |
| await waitFor(() => !accessibilityController.accessibleElementById("ul")); |
| |
| output += "\nRe-dumping AX tree.\n\n"; |
| dumpAccessibilityChildren(accessibilityController.accessibleElementById("body"), 0); |
| output += "\nPASS: There was no crash.\n"; |
| |
| debug(output); |
| finishJSTest(); |
| }, 0); |
| } |
| </script> |
| </body> |
| </html> |
| |
| |