1 files changed, 77 insertions, 0 deletions
diff --git a/dom/base/test/test_noAudioNotification.html b/dom/base/test/test_noAudioNotification.html
new file mode 100644
index 0000000000..18ac833a8b
--- /dev/null
+++ b/dom/base/test/test_noAudioNotification.html
@@ -0,0 +1,77 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for video controller in windows</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<pre id="test">
+</pre>
+
+<script type="application/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+var observer = {
+  observe: function(subject, topic, data) {
+    ok(false, "should not receive audio-playback notification!");
+  }
+};
+
+var observerService = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
+                                   .getService(SpecialPowers.Ci.nsIObserverService);
+
+var video = document.createElement("video");
+video.loop = true;
+video.src = "noaudio.webm";
+
+video.onplay = video.onpause  = function() {
+  // Yield to the event loop a few times to make sure that audio-playback is not dispatched.
+  SimpleTest.executeSoon(function() {
+    SimpleTest.executeSoon(function() {
+      SimpleTest.executeSoon(function() {
+        runTest();
+      });
+    });
+  });
+};
+
+var tests = [
+  function() {
+    observerService.addObserver(observer, "audio-playback", false);
+    ok(true, "Observer set");
+    runTest();
+  },
+
+  function() {
+    video.play();
+  },
+
+  function() {
+    video.pause();
+  },
+
+  function() {
+    observerService.removeObserver(observer, "audio-playback");
+    ok(true, "Observer removed");
+    runTest();
+  }
+];
+
+function runTest() {
+  if (!tests.length) {
+    SimpleTest.finish();
+    return;
+  }
+
+  var test = tests.shift();
+  test();
+}
+
+runTest();
+
+</script>
+</body>
+</html>
+