| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Test selectionchange events fired on shadow dom</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <div id="root"></div> |
| |
| <script> |
| let root = document.getElementById('root'); |
| let shadow = root.attachShadow({ mode: 'open' }); |
| let input = document.createElement('input'); |
| input.value = 'something to do 0'; |
| shadow.append(input); |
| |
| let events_on_document = []; |
| document.addEventListener("selectionchange", ev => { |
| events_on_document.push(ev); |
| }); |
| |
| promise_test(async () => { |
| input.focus(); |
| events_on_document.length = 0; |
| input.setSelectionRange(0, 1); |
| await new Promise(resolve => step_timeout(resolve, 0)); |
| assert_equals(events_on_document.length, 1); |
| }, "selectionchange event fired on a shadow dom bubble to the document"); |
| </script> |
