Byron Campen [:bwc]
80dcee8bd7
Differential Revision: https://phabricator.services.mozilla.com/D261659
63 lines
1.8 KiB
HTML
63 lines
1.8 KiB
HTML
<!doctype html>
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<html>
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<head>
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<meta charset=utf-8>
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<meta name="timeout" content="long">
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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="/common/gc.js"></script>
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<script src="RTCPeerConnection-helper.js"></script>
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</head>
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<body>
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<script>
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'use strict';
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// Check that a worker RTCDataChannel is not collected by GC while observing remote pc close
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const worker = new Worker(`data:text/javascript,(${work.toString()})()`);
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async function didRemotePcClose(t, closeRemotePc) {
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let pc1 = new RTCPeerConnection(), pc2 = new RTCPeerConnection();
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t.add_cleanup(async () => await garbageCollect());
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pc1.onicecandidate = e => pc2?.addIceCandidate(e?.candidate);
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pc2.onicecandidate = e => pc1?.addIceCandidate(e?.candidate);
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let dc1 = pc1.createDataChannel("");
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worker.postMessage({channel: dc1}, [dc1]);
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dc1 = null;
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const closed = new Promise(r => {
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worker.onmessage = ({data}) => {
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if (data == "close") {
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r(true);
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}
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}
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});
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await pc1.setLocalDescription();
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await pc2.setRemoteDescription(pc1.localDescription);
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await pc2.setLocalDescription();
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await pc1.setRemoteDescription(pc2.localDescription);
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if (closeRemotePc) pc2.close();
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pc1 = pc2 = null;
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await garbageCollect();
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return await Promise.race([closed, new Promise(r => t.step_timeout(r, 10000))]);
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}
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promise_test(async t => {
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assert_true(await didRemotePcClose(t, true));
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}, "Control: detected remote PC being closed using a worker data channel");
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promise_test(async t => {
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assert_false(await didRemotePcClose(t, false));
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}, "While remote PC remains open, its worker datachannel should not be collected");
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function work() {
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onmessage = ({data: {channel}}) => {
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if (channel) {
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channel.onclose = () => self.postMessage("close");
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}
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};
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}
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</script>
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</body>
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</html>
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