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Diffstat (limited to 'testing/web-platform/tests/scheduler/tentative/yield/yield-then-detach.html')
| -rw-r--r-- | testing/web-platform/tests/scheduler/tentative/yield/yield-then-detach.html | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scheduler/tentative/yield/yield-then-detach.html b/testing/web-platform/tests/scheduler/tentative/yield/yield-then-detach.html new file mode 100644 index 0000000000..835f9e7a62 --- /dev/null +++ b/testing/web-platform/tests/scheduler/tentative/yield/yield-then-detach.html @@ -0,0 +1,26 @@ +<!doctype html> +<title>Scheduler: yield in Detached Scheduler</title> +<link rel="help" href="https://github.com/WICG/scheduling-apis"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<script> +'use strict'; + +promise_test(async t => { + await new Promise(resolve => window.onload = resolve); + + const frame = document.body.appendChild(document.createElement('iframe')); + const iframeDOMException = frame.contentWindow.DOMException; + const iframeScheduler = frame.contentWindow.scheduler; + + let didRun = false; + iframeScheduler.yield().then(() => { didRun = true; }); + + document.body.removeChild(frame); + await promise_rejects_dom(t, 'NotSupportedError', iframeDOMException, iframeScheduler.yield()); + await new Promise(resolve => t.step_timeout(resolve, 10)); + assert_false(didRun, 'The continuation should not have run.'); +}, 'Test scheduler.yield() from an iframe that is removed'); + +</script> |