52 lines
1.7 KiB
HTML
52 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8" />
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<title>Test Permission garbage collection persistance.</title>
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<link rel="help" href="https://github.com/w3c/permissions/pull/256" />
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<body>
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<script>
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async function createABunchOfGarbage() {
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const promises = [];
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for (let i = 0; i < 25; i++) {
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const promise = new Promise((r) => {
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const iframe = document.createElement("iframe");
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iframe.onload = () => r(iframe);
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iframe.src = "about:blank";
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document.body.appendChild(iframe);
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});
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promises.push(promise);
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}
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const iframes = await Promise.all(promises);
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iframes.forEach((iframe) => iframe.remove());
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}
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promise_test(async (t) => {
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t.add_cleanup(() => {
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return test_driver.set_permission({ name: "geolocation" }, "prompt");
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});
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const eventPromise = new Promise(
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async (r) => {
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// we create the status here, but it goes out of scope
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// at the end of the function. Thus, we assume it will be
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// garbage collected.
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const status = await navigator.permissions.query({
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name: "geolocation",
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});
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status.addEventListener("change", r);
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},
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{ once: true }
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);
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// Maybe got garbage collected.
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await createABunchOfGarbage();
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// Causes event to fire.
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await test_driver.set_permission({ name: "geolocation" }, "granted");
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await eventPromise;
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}, "Events fire even if the status object is garbage collected");
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</script>
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</body>
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