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RTCPeerConnection-addStream.https.html
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RTCPeerConnection-addStream.https.html
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<!doctype html>
<meta charset=utf-8>
<meta name="timeout" content="long">
<title>RTCPeerConnection legacy addStream</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../RTCPeerConnection-helper.js"></script>
<script src="../RTCStats-helper.js"></script>
<script src="../dictionary-helper.js"></script>
<script>
'use strict';
// The following helper functions are called from RTCPeerConnection-helper.js:
// getUserMediaTracksAndStreams
// The following helper functions are called from RTCStats-helper.js
// (depends on dictionary-helper.js):
// validateRtcStats
// TODO(hbos): addStream() is legacy API not in the spec. Based on discussion
// whether to standardize in legacy section, consider removing this test or
// keeping it until addTrack() has wide support.
// https://github.com/w3c/webrtc-pc/issues/1705
// https://github.com/w3c/webrtc-pc/issues/1125
async_test(t => {
const pc = new RTCPeerConnection();
t.add_cleanup(() => pc.close());
let track;
let stream;
return getUserMediaTracksAndStreams(1)
.then(t.step_func(([tracks, streams]) => {
track = tracks[0];
stream = streams[0];
stream.addTrack(track);
pc.addStream(stream);
return pc.createOffer();
}))
.then(t.step_func(offer => {
return pc.setLocalDescription(offer);
}))
.then(t.step_func(() => {
return pc.getStats();
}))
.then(t.step_func(report => {
let trackStats = findStatsByTypeAndId(report, 'track', track.id);
let streamStats = findStatsByTypeAndId(report, 'stream', stream.id);
assert_true(trackStats != null && streamStats != null,
'Has stats for track and stream');
assert_array_equals(streamStats.trackIds, [ trackStats.id ],
'streamStats.trackIds == [ trackStats.id ]');
validateRtcStats(report, trackStats);
validateRtcStats(report, streamStats);
t.done();
}))
.catch(t.step_func(reason => {
assert_unreached(reason);
}));
}, 'Legacy addStream(): Media stream stats references track stats');
function findStatsByTypeAndId(report, type, identifier) {
return findStats(report, stats => {
return stats.type == type && stats[type + 'Identifier'] == identifier;
});
}
function findStats(report, findFunc) {
for (let it = report.values(), n = it.next(); !n.done; n = it.next()) {
if (findFunc(n.value))
return n.value;
}
return null;
}
</script>