Bug 1208328 - Test that "addtrack" and "removetrack" events don't occur on manual operations. r=jib
MozReview-Commit-ID: F3T9upYPlnU
--- a/dom/media/tests/mochitest/mochitest.ini
+++ b/dom/media/tests/mochitest/mochitest.ini
@@ -39,16 +39,17 @@ skip-if = toolkit == 'gonk' || buildapp
skip-if = toolkit == 'gonk' || buildapp == 'mulet' # b2g emulator seems to be too slow (Bug 1016498 and 1008080)
[test_dataChannel_noOffer.html]
[test_enumerateDevices.html]
skip-if = buildapp == 'mulet'
[test_getUserMedia_audioCapture.html]
skip-if = toolkit == 'gonk' || buildapp == 'mulet' || android_version == '18' # b2g emulator seems to be too slow (Bug 1016498 and 1008080), android(Bug 1189784, timeouts on 4.3 emulator)
[test_getUserMedia_addTrackRemoveTrack.html]
skip-if = (toolkit == 'gonk' || buildapp == 'mulet' && debug) # debug-only failure
+[test_getUserMedia_addtrack_removetrack_events.html]
[test_getUserMedia_basicAudio.html]
skip-if = (toolkit == 'gonk' || buildapp == 'mulet' && debug) # debug-only failure
[test_getUserMedia_basicVideo.html]
skip-if = (toolkit == 'gonk' || buildapp == 'mulet' && debug) # debug-only failure
[test_getUserMedia_basicVideo_playAfterLoadedmetadata.html]
skip-if = (toolkit == 'gonk' || buildapp == 'mulet' && debug) # debug-only failure
[test_getUserMedia_basicScreenshare.html]
skip-if = buildapp == 'b2g' || toolkit == 'android' # no screenshare on b2g/android # Bug 1141029 Mulet parity with B2G Desktop for TC
new file mode 100644
--- /dev/null
+++ b/dom/media/tests/mochitest/test_getUserMedia_addtrack_removetrack_events.html
@@ -0,0 +1,104 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <script type="application/javascript" src="mediaStreamPlayback.js"></script>
+</head>
+<body>
+<pre id="test">
+<script type="application/javascript">
+"use strict";
+
+createHTML({
+ title: "MediaStream's 'addtrack' and 'removetrack' events shouldn't fire on manual operations",
+ bug: "1208328"
+});
+
+var spinEventLoop = () => new Promise(r => setTimeout(r, 0));
+
+var stream;
+var clone;
+var newStream;
+
+var addTrack = track => {
+ info("Adding track " + track.id);
+ stream.addTrack(track);
+};
+var removeTrack = track => {
+ info("Removing track " + track.id);
+ stream.removeTrack(track);
+};
+var stopTrack = track => {
+ if (track.readyState == "live") {
+ info("Stopping track " + track.id);
+ }
+ track.stop();
+};
+
+runTest(() => getUserMedia({audio: true, video: true})
+ .then(s => {
+ stream = s;
+ clone = s.clone();
+ stream.addEventListener("addtrack", function onAddtrack(event) {
+ ok(false, "addtrack fired unexpectedly for track " + event.track.id);
+ });
+ stream.addEventListener("removetrack", function onRemovetrack(event) {
+ ok(false, "removetrack fired unexpectedly for track " + event.track.id);
+ });
+
+ return getUserMedia({audio: true, video: true});
+ })
+ .then(s => {
+ newStream = s;
+
+ info("Stopping an original track");
+ stopTrack(stream.getTracks()[0]);
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Removing original tracks");
+ stream.getTracks().forEach(t => stream.removeTrack(t));
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Adding other gUM tracks");
+ newStream.getTracks().forEach(t => addTrack(t))
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Adding cloned tracks");
+ let clone = stream.clone();
+ clone.getTracks().forEach(t => addTrack(t));
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Removing a clone");
+ removeTrack(clone.getTracks()[0]);
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Stopping clones");
+ clone.getTracks().forEach(t => stopTrack(t));
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Stopping originals");
+ stream.getTracks().forEach(t => stopTrack(t));
+
+ return spinEventLoop();
+ })
+ .then(() => {
+ info("Removing remaining tracks");
+ stream.getTracks().forEach(t => removeTrack(t));
+
+ return spinEventLoop();
+ }));
+</script>
+</pre>
+</body>
+</html>