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<!doctype html>
<meta charset=utf-8>
<title>RTCRtpSender.prototype.setParameters</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCPeerConnection-helper.js"></script>
<script>
'use strict';
// Test is based on the following editor draft:
// https://w3c.github.io/webrtc-pc/archives/20170605/webrtc.html
/*
5.2. setParameters
6. If transceiver.stopped is true, abort these steps and return a promise
rejected with a newly created InvalidStateError.
*/
promise_test(t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const transceiver = pc.addTransceiver('audio');
const { sender } = transceiver;
const param = sender.getParameters();
transceiver.stop();
return promise_rejects_dom(t, 'InvalidStateError',
sender.setParameters(param));
}, `setParameters() when transceiver is stopped should reject with InvalidStateError`);
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const sender = pc.addTransceiver('audio').sender;
const param = sender.getParameters();
sender.setParameters(param);
await sender.setParameters(param);
}, `setParameters() with already used parameters should work if the event loop has not been relinquished`);
promise_test(async t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
const sender = pc.addTransceiver('audio').sender;
const param = sender.getParameters();
sender.setParameters(param);
await queueAWebrtcTask();
await promise_rejects_dom(t, 'InvalidStateError',
sender.setParameters(param));
}, `setParameters() with already used parameters should reject with InvalidStateError if the event loop has been relinquished`);
</script>
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