servo/tests/wpt/web-platform-tests/storage/estimate-parallel.https.html

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HTML

<!DOCTYPE html>
<meta charset="utf-8">
<title>StorageManager: multiple estimate() calls in parallel</title>
<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-estimate">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(async t => {
let r1, r2;
await Promise.all([
navigator.storage.estimate().then(r => { r1 = r; }),
navigator.storage.estimate().then(r => { r2 = r; })
]);
assert_true(('usage' in r1) && ('quota' in r1),
'first response should have expected fields');
assert_true(('usage' in r2) && ('quota' in r2),
'second response should have expected fields');
}, 'Multiple estimate() calls in parallel should complete');
</script>