gecko-dev/dom/base/test/test_noAudioNotificationOnM...

130 строки
2.9 KiB
HTML

<!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 muting and unmuting dispatches the events as expected.
function() {
expectedNotification = 'active';
audio.play();
},
function() {
expectedNotification = 'inactive';
audio.muted = true;
},
function() {
expectedNotification = 'active';
audio.muted = false;
},
function() {
expectedNotification = 'inactive';
audio.pause();
},
// Verify that no events are dispatched when muted.
function() {
expectedNotification = 'active';
audio.play();
},
function() {
expectedNotification = 'inactive';
audio.muted = true;
},
function() {
expectedNotification = null;
audio.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() {
audio.onpause = null;
runTest();
});
});
});
};
audio.pause();
},
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() {
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>