| <!DOCTYPE html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script src="../forms/resources/common.js"></script> |
| </head> |
| |
| <script> |
| if (!window.eventSender) |
| document.body.textContent = 'This test requires window.eventSender.'; |
| |
| function moveFocus(direction) { |
| eventSender.keyDown('\t', direction == 'forward' ? [] : ['shiftKey']); |
| } |
| |
| function focusEnd() { |
| document.getElementById("end").focus(); |
| } |
| |
| function removeEnd() { |
| document.getElementById("body").removeChild(document.getElementById("end")); |
| } |
| |
| function insertEnd() { |
| var input = document.createElement("input"); |
| input.setAttribute('id', 'end'); |
| insertAfter(input, document.getElementById("next")); |
| } |
| |
| function insertAfter(newNode, referenceNode) { |
| referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling); |
| } |
| |
| function runTest() { |
| debug("After removing a focused element at the end of tree, accessing focus navigation starting point shouldn't lead to crash."); |
| shouldBe("insertEnd(); focusEnd(); removeEnd(); moveFocus('forward'); document.activeElement.id", "'next'"); |
| shouldBe("insertEnd(); focusEnd(); removeEnd(); moveFocus('backward'); document.activeElement.id", "'prev'"); |
| } |
| |
| </script> |
| |
| <body id="body" onload="runTest();"> |
| <div id="log"></div> |
| <div id="container"></div> |
| <input id="prev"><input id="next"></body> |
