1 files changed, 162 insertions, 0 deletions
diff --git a/dom/base/test/test_noAudioNotificationOnMutedOrVolume0Element.html b/dom/base/test/test_noAudioNotificationOnMutedOrVolume0Element.html
new file mode 100644
index 000000000..0e4cc93f0
--- /dev/null
+++ b/dom/base/test/test_noAudioNotificationOnMutedOrVolume0Element.html
@@ -0,0 +1,162 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Test for audio 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 expectedNotification = null;
+
+var observer = {
+  observe: function(subject, topic, data) {
+    if (expectedNotification !== null) {
+      is(topic, "audio-playback", "audio-playback received");
+      is(data, expectedNotification, "This is the right notification");
+      runTest();
+    } else {
+      ok(false, "should not receive audio-playback notification!");
+    }
+  }
+};
+
+var observerService = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
+                                   .getService(SpecialPowers.Ci.nsIObserverService);
+
+var audio = new Audio();
+audio.loop = true;
+
+var tests = [
+  function() {
+    observerService.addObserver(observer, "audio-playback", false);
+    ok(true, "Observer set");
+
+    audio.src = "audio.ogg";
+    // Wait for the audio metadata to become available so that we have an audio track.
+    audio.onloadedmetadata = runTest;
+  },
+
+  // Verify that unmuting when the volume is 0 doesn't dispatch the events.
+  function() {
+    expectedNotification = 'active';
+    audio.play();
+  },
+
+  function() {
+    expectedNotification = 'inactive-nonaudible';
+    audio.muted = true;
+  },
+
+  function() {
+    expectedNotification = null;
+    audio.volume = 0;
+    // 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();
+        });
+      });
+    });
+  },
+
+  function() {
+    expectedNotification = null;
+    audio.muted = false;
+    // 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();
+        });
+      });
+    });
+  },
+
+  function() {
+    expectedNotification = 'active';
+    audio.volume = 0.5;
+  },
+
+  function() {
+    expectedNotification = 'inactive-pause';
+    audio.pause();
+  },
+
+  // Verify that raising the volume when muted doesn't dispatch the events.
+  function() {
+    expectedNotification = 'active';
+    audio.play();
+  },
+
+  function() {
+    expectedNotification = 'inactive-nonaudible';
+    audio.muted = true;
+  },
+
+  function() {
+    expectedNotification = null;
+    audio.volume = 0;
+    // 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();
+        });
+      });
+    });
+  },
+
+  function() {
+    expectedNotification = null;
+    audio.volume = 0.5;
+    // 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();
+        });
+      });
+    });
+  },
+
+  function() {
+    expectedNotification = 'active';
+    audio.muted = false;
+  },
+
+  function() {
+    expectedNotification = 'inactive-pause';
+    audio.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>
+