| <!DOCTYPE html> |
| <meta charset="utf-8"> |
| <title>Worklet: addModule() on a detached iframe</title> |
| <body> |
| </body> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| |
| function with_iframe(url) { |
| return new Promise(resolve => { |
| let frame = document.createElement('iframe'); |
| frame.src = url; |
| frame.onload = () => { resolve(frame); }; |
| document.body.appendChild(frame); |
| add_result_callback(() => frame.remove()); |
| }); |
| } |
| |
| // This test should not be upstreamed to WPT because the spec does not define |
| // behavior in the case where addModule() is called from a detached frame. |
| promise_test(t => { |
| const kFrameUrl = 'resources/blank.html'; |
| const kScriptUrl = 'resources/empty-worklet-script.js'; |
| |
| return with_iframe(kFrameUrl) |
| .then(frame => { |
| let worklet = frame.contentWindow.CSS.paintWorklet; |
| frame.remove(); |
| return worklet.addModule(kScriptUrl); |
| }) |
| .then(() => assert_unreached('addModule() should fail.')) |
| .catch(e => assert_equals(e.name, 'InvalidStateError', e)); |
| }, 'addModule() on a detached iframe should be rejected.'); |
| |
| </script> |
