| <!DOCTYPE html> |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| <form> |
| <input type="text" id='myInput'> |
| </form> |
| <script> |
| promise_test(async t => { |
| const onload = new Promise(r => window.addEventListener('load', r)); |
| await onload; |
| return assertNoFirstContentfulPaint(t).then(() => { |
| document.getElementById('myInput').value = 'default text'; |
| return assertFirstContentfulPaint(t); |
| }); |
| }, 'Text from a form control triggers First Contentful Paint.'); |
| </script> |
| </body> |
