Bug 1395022 - Add test to check only one start event is fired by MediaRecorder when erroring. r?pehrsons
MozReview-Commit-ID: 1JJY0eQMSDn
--- a/dom/media/test/mochitest.ini
+++ b/dom/media/test/mochitest.ini
@@ -820,16 +820,19 @@ tags=msg
skip-if = toolkit == 'android' # bug 1297432, android(bug 1232305)
tags=msg
[test_mediarecorder_creation.html]
skip-if = android_version == '17' # android(bug 1232305)
tags=msg capturestream
[test_mediarecorder_creation_fail.html]
skip-if = android_version == '17' # android(bug 1232305)
tags=msg
+[test_mediarecorder_fires_start_event_once_when_erroring.html]
+skip-if = android_version == '17' # android(bug 1232305)
+tags=msg
[test_mediarecorder_getencodeddata.html]
skip-if = android_version == '17' # android(bug 1232305)
tags=msg
[test_mediarecorder_pause_resume_video.html]
skip-if = toolkit == 'android' # android(bug 1232305)
[test_mediarecorder_playback_can_repeat.html]
skip-if = android_version == '17' || android_version == '22' # android(bug 1232305, bug 1372457)
tags=msg
new file mode 100644
--- /dev/null
+++ b/dom/media/test/test_mediarecorder_fires_start_event_once_when_erroring.html
@@ -0,0 +1,45 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Bug 1395022 - MediaRecorder fires start event when erroring.</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1395022">Mozilla Bug 1395022</a>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+function startTest() {
+ let audioContext = new AudioContext();
+ let destination1 = audioContext.createMediaStreamDestination();
+ let oscilator = audioContext.createOscillator();
+ oscilator.connect(destination1);
+ oscilator.start();
+
+ let destination2 = audioContext.createMediaStreamDestination();
+
+ let rec = new MediaRecorder(destination1.stream);
+
+ let numStartEvents = 0;
+
+ rec.onstart = () => {
+ numStartEvents += 1;
+ is(numStartEvents, 1, "One start event should be fired by the recorder");
+ // Trigger an error in the recorder
+ destination1.stream.addTrack(destination2.stream.getTracks()[0]);
+ };
+
+ rec.onerror = () => {
+ is(numStartEvents, 1, "One start event should have been fired by the recorder");
+ SimpleTest.finish();
+ };
+
+ rec.start();
+}
+
+SimpleTest.waitForExplicitFinish();
+startTest();
+
+</script>
+</head>
+</html>
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