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<!doctype html>
<title>RTCConfiguration rtcpMuxPolicy</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="RTCConfiguration-helper.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
// The following helper function is called from RTCConfiguration-helper.js:
// config_test
/*
[Constructor(optional RTCConfiguration configuration)]
interface RTCPeerConnection : EventTarget {
RTCConfiguration getConfiguration();
void setConfiguration(RTCConfiguration configuration);
...
};
dictionary RTCConfiguration {
RTCRtcpMuxPolicy rtcpMuxPolicy = "require";
...
};
enum RTCRtcpMuxPolicy {
"negotiate",
"require"
};
*/
test(() => {
const pc = new RTCPeerConnection();
assert_equals(pc.getConfiguration().rtcpMuxPolicy, 'require');
}, `new RTCPeerConnection() should have default rtcpMuxPolicy require`);
test(() => {
const pc = new RTCPeerConnection({ rtcpMuxPolicy: undefined });
assert_equals(pc.getConfiguration().rtcpMuxPolicy, 'require');
}, `new RTCPeerConnection({ rtcpMuxPolicy: undefined }) should have default rtcpMuxPolicy require`);
test(() => {
const pc = new RTCPeerConnection({ rtcpMuxPolicy: 'require' });
assert_equals(pc.getConfiguration().rtcpMuxPolicy, 'require');
}, `new RTCPeerConnection({ rtcpMuxPolicy: 'require' }) should succeed`);
/*
4.3.1.1. Constructor
3. If configuration.rtcpMuxPolicy is negotiate, and the user agent does not
implement non-muxed RTCP, throw a NotSupportedError.
*/
test(() => {
let pc;
try {
pc = new RTCPeerConnection({ rtcpMuxPolicy: 'negotiate' });
} catch(err) {
// NotSupportedError is a DOMException with code 9
if(err.code === 9 && err.name === 'NotSupportedError') {
// ignore error and pass test if negotiate is not supported
return;
} else {
throw err;
}
}
assert_equals(pc.getConfiguration().rtcpMuxPolicy, 'negotiate');
}, `new RTCPeerConnection({ rtcpMuxPolicy: 'negotiate' }) may succeed or throw NotSupportedError`);
config_test(makePc => {
assert_throws_js(TypeError, () =>
makePc({ rtcpMuxPolicy: null }));
}, `with { rtcpMuxPolicy: null } should throw TypeError`);
config_test(makePc => {
assert_throws_js(TypeError, () =>
makePc({ rtcpMuxPolicy: 'invalid' }));
}, `with { rtcpMuxPolicy: 'invalid' } should throw TypeError`);
/*
4.3.2. Set a configuration
6. If configuration.rtcpMuxPolicy is set and its value differs from the
connection's rtcpMux policy, throw an InvalidModificationError.
*/
test(() => {
const pc = new RTCPeerConnection({ rtcpMuxPolicy: 'require' });
assert_idl_attribute(pc, 'setConfiguration');
assert_throws_dom('InvalidModificationError', () =>
pc.setConfiguration({ rtcpMuxPolicy: 'negotiate' }));
}, `setConfiguration({ rtcpMuxPolicy: 'negotiate' }) with initial rtcpMuxPolicy require should throw InvalidModificationError`);
test(() => {
let pc;
try {
pc = new RTCPeerConnection({ rtcpMuxPolicy: 'negotiate' });
} catch(err) {
// NotSupportedError is a DOMException with code 9
if(err.code === 9 && err.name === 'NotSupportedError') {
// ignore error and pass test if negotiate is not supported
return;
} else {
throw err;
}
}
assert_idl_attribute(pc, 'setConfiguration');
assert_throws_dom('InvalidModificationError', () =>
pc.setConfiguration({ rtcpMuxPolicy: 'require' }));
}, `setConfiguration({ rtcpMuxPolicy: 'require' }) with initial rtcpMuxPolicy negotiate should throw InvalidModificationError`);
test(() => {
let pc;
pc = new RTCPeerConnection({ rtcpMuxPolicy: 'require' });
// default rtcpMuxPolicy is 'require', so this is allowed
pc.setConfiguration({});
assert_equals(pc.getConfiguration().rtcpMuxPolicy, 'require');
}, `setConfiguration({}) with initial rtcpMuxPolicy require should leave rtcpMuxPolicy to require`);
test(() => {
let pc;
try {
pc = new RTCPeerConnection({ rtcpMuxPolicy: 'negotiate' });
} catch(err) {
// NotSupportedError is a DOMException with code 9
if(err.code === 9 && err.name === 'NotSupportedError') {
// ignore error and pass test if negotiate is not supported
return;
} else {
throw err;
}
}
assert_idl_attribute(pc, 'setConfiguration');
// default value for rtcpMuxPolicy is require
assert_throws_dom('InvalidModificationError', () =>
pc.setConfiguration({}));
}, `setConfiguration({}) with initial rtcpMuxPolicy negotiate should throw InvalidModificationError`);
/*
Coverage Report
Tested 2
Total 2
*/
const FINGERPRINT_SHA256 = '00:00:00:00:00:00:00:00:00:00:00:00:00' +
':00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00';
const ICEUFRAG = 'someufrag';
const ICEPWD = 'somelongpwdwithenoughrandomness';
promise_test(async t => {
// audio-only SDP offer without BUNDLE and rtcp-mux.
const sdp = 'v=0\r\n' +
'o=- 166855176514521964 2 IN IP4 127.0.0.1\r\n' +
's=-\r\n' +
't=0 0\r\n' +
'm=audio 9 UDP/TLS/RTP/SAVPF 111\r\n' +
'c=IN IP4 0.0.0.0\r\n' +
'a=rtcp:9 IN IP4 0.0.0.0\r\n' +
'a=ice-ufrag:' + ICEUFRAG + '\r\n' +
'a=ice-pwd:' + ICEPWD + '\r\n' +
'a=fingerprint:sha-256 ' + FINGERPRINT_SHA256 + '\r\n' +
'a=setup:actpass\r\n' +
'a=mid:audio1\r\n' +
'a=sendonly\r\n' +
'a=rtcp-rsize\r\n' +
'a=rtpmap:111 opus/48000/2\r\n';
const pc = new RTCPeerConnection({rtcpMuxPolicy: 'require'});
t.add_cleanup(() => pc.close());
return promise_rejects_dom(t, 'InvalidAccessError', pc.setRemoteDescription({type: 'offer', sdp}));
}, 'setRemoteDescription throws InvalidAccessError when called with an offer without rtcp-mux and rtcpMuxPolicy is set to require');
promise_test(async t => {
// audio-only SDP answer without BUNDLE and rtcp-mux.
// Also omitting a=mid in order to avoid parsing it from the offer as this needs to match.
const sdp = 'v=0\r\n' +
'o=- 166855176514521964 2 IN IP4 127.0.0.1\r\n' +
's=-\r\n' +
't=0 0\r\n' +
'm=audio 9 UDP/TLS/RTP/SAVPF 111\r\n' +
'c=IN IP4 0.0.0.0\r\n' +
'a=rtcp:9 IN IP4 0.0.0.0\r\n' +
'a=ice-ufrag:' + ICEUFRAG + '\r\n' +
'a=ice-pwd:' + ICEPWD + '\r\n' +
'a=fingerprint:sha-256 ' + FINGERPRINT_SHA256 + '\r\n' +
'a=setup:active\r\n' +
'a=sendonly\r\n' +
'a=rtcp-rsize\r\n' +
'a=rtpmap:111 opus/48000/2\r\n';
const pc = new RTCPeerConnection({rtcpMuxPolicy: 'require'});
t.add_cleanup(() => pc.close());
const offer = await generateAudioReceiveOnlyOffer(pc);
await pc.setLocalDescription(offer);
return promise_rejects_dom(t, 'InvalidAccessError', pc.setRemoteDescription({type: 'answer', sdp}));
}, 'setRemoteDescription throws InvalidAccessError when called with an answer without rtcp-mux and rtcpMuxPolicy is set to require');
</script>
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