34 lines
914 B
JavaScript
34 lines
914 B
JavaScript
// META: title=An active notification should prevent worker cycle collection
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// META: script=/resources/testdriver.js
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// META: script=/resources/testdriver-vendor.js
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// META: script=/common/gc.js
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// META: script=resources/helpers.js
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promise_setup(async () => {
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await trySettingPermission("granted");
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});
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promise_test(async t => {
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let worker = new Worker(URL.createObjectURL(new Blob([`
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const n = new Notification("foo");
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onmessage = () => n.close();
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n.onclose = () => self.postMessage("closed");
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postMessage("ready");
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`])));
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await new Promise(resolve => {
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worker.addEventListener("message", ev => {
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if (ev.data === "ready") {
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resolve();
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}
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}, { once: true });
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});
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const weakref = new WeakRef(worker);
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worker = null;
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t.add_cleanup(() => {
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weakref.deref()?.postMessage("close");
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});
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await garbageCollect();
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assert_true(!!weakref.deref());
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});
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