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Bug 1751353 [wpt PR 32487] - ResourceTiming tests for image sequence …
…of events, a=testonly Automatic update from web-platform-tests ResourceTiming tests for image sequence of events (#32487) * ResourceTiming tests for image sequence of events Tests whatwg/html#7510 * PR nits * lint -- wpt-commits: 5c835818c733c5fb3ec18ad8041c4261b025b4ba wpt-pr: 32487
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testing/web-platform/tests/resource-timing/image-sequence-of-events.html
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<!DOCTYPE html> | ||
<meta charset="utf-8"> | ||
<title>Test the sequence of events when reporting image timing.</title> | ||
<script src="/resources/testharness.js"></script> | ||
<script src="/resources/testharnessreport.js"></script> | ||
<body> | ||
<script> | ||
function test_image_sequence(src, event, t) { | ||
const image = document.createElement('img'); | ||
const absoluteURL = new URL(src, location.href).toString(); | ||
document.body.appendChild(image); | ||
t.add_cleanup(() => image.remove()); | ||
return new Promise(resolve => { | ||
image.addEventListener(event, t.step_func(() => { | ||
assert_equals(performance.getEntriesByName(absoluteURL).length, 1); | ||
resolve(); | ||
})); | ||
image.src = src; | ||
}); | ||
} | ||
promise_test(t => test_image_sequence('resources/blue.png', 'load', t), | ||
"An image should receive its load event after the ResourceTiming entry is available"); | ||
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promise_test(t => test_image_sequence('resources/nothing-at-all.png', 'error', t), | ||
"A non-existent (404) image should receive its error event after the ResourceTiming entry is available"); | ||
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promise_test(t => test_image_sequence('resources/invalid.png', 'error', t), | ||
"An invalid image should receive its error event after the ResourceTiming entry is available"); | ||
</script> |
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testing/web-platform/tests/resource-timing/resources/invalid.jpg
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