gecko-dev/dom/media/test/test_played.html

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HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test played member for media elements</title>
<script type="text/javascript" src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<script type="text/javascript" src="manifest.js"></script>
</head>
<body>
<pre id='test'>
<script class="testbody" type='application/javascript'>
let manager = new MediaTestManager;
function finish_test(element) {
removeNodeAndSource(element);
manager.finished(element.token);
}
// Check that a file has been played in its entirety.
function check_full_file_played(element) {
element.addEventListener('ended', (function(e) {
let interval_count = e.target.played.length;
is(interval_count, 1, element.token + ": played.length must be 1");
is(element.played.start(0), 0, element.token + ": start time shall be 0");
is(element.played.end(0), e.target.duration, element.token + ": end time shall be duration");
finish_test(e.target);
}));
}
var tests = [
// Without playing, check that player.played.length == 0.
{
setup(element) {
element.addEventListener("loadedmetadata", function() {
is(element.played.length, 0, element.token + ": initial played.length equals zero");
finish_test(element);
});
},
name: "test1"
},
// Play the file, test the range we have.
{
setup(element) {
check_full_file_played(element);
element.play();
},
name: "test2"
},
// Play the second half of the file, pause, play
// an check we have only one range.
{
setup (element) {
element.onended = function (e) {
var t = e.target;
t.onended = null;
check_full_file_played(t);
t.pause();
t.currentTime = 0;
t.play();
};
element.addEventListener("loadedmetadata", function() {
element.currentTime = element.duration / 2;
element.play();
});
},
name: "test3"
},
// Play the first half of the file, seek back, while
// continuing to play. We shall have only one range.
{
setup (element) {
let onTimeUpdate = function() {
if (element.currentTime > element.duration / 2) {
info(element.token + ": currentTime=" + element.currentTime + ", duration=" + element.duration);
element.removeEventListener("timeupdate", onTimeUpdate);
element.pause();
var oldEndRange = element.played.end(0);
element.currentTime = element.duration / 4;
is(element.played.end(0), oldEndRange,
element.token + ": When seeking back, |played| should not be changed");
element.play();
}
}
element.addEventListener("timeupdate", onTimeUpdate);
check_full_file_played(element);
element.play();
},
name: "test4"
},
// Play and seek to have two ranges, and check that, as well a
// boundaries.
{
setup (element) {
let seekTarget = 0;
let onTimeUpdate = function() {
if (element.currentTime > element.duration / 2) {
info(element.token + ": currentTime=" + element.currentTime + ", duration=" + element.duration);
element.removeEventListener("timeupdate", onTimeUpdate);
element.pause();
// Remember seek target for later comparison since duration may change
// during playback.
seekTarget = element.currentTime = element.duration / 10;
element.currentTime = seekTarget;
element.play();
}
}
element.addEventListener("loadedmetadata", function() {
element.addEventListener("timeupdate", onTimeUpdate);
});
element.addEventListener("ended", (function() {
if(element.played.length > 1) {
is(element.played.length, 2, element.token + ": element.played.length == 2");
is(element.played.start(1), seekTarget, element.token + ": we should have seeked forward by one tenth of the duration");
is(element.played.end(1), element.duration, element.token + ": end of second range shall be the total duration");
}
is(element.played.start(0), 0, element.token + ": start of first range shall be 0");
finish_test(element);
}));
element.play();
},
name: "test5"
},
// Play to create two ranges, in the reverse order. check that they are sorted.
{
setup (element) {
function end() {
element.pause();
let p = element.played;
ok(p.length >= 1, element.token + ": There should be at least one range=" + p.length);
is(p.start(0), seekTarget, element.token + ": Start of first range should be the sixth of the duration");
ok(p.end(p.length - 1) > 5 * element.duration / 6, element.token + ": End of last range should be greater that five times the sixth of the duration");
finish_test(element);
}
let seekTarget = 0;
function pauseseekrestart() {
element.pause();
// Remember seek target for later comparison since duration may change
// during playback.
seekTarget = element.duration / 6;
element.currentTime = seekTarget;
element.play();
}
function onTimeUpdate_pauseseekrestart() {
if (element.currentTime > 5 * element.duration / 6) {
element.removeEventListener("timeupdate", onTimeUpdate_pauseseekrestart);
pauseseekrestart();
element.addEventListener("timeupdate", onTimeUpdate_end);
}
}
function onTimeUpdate_end() {
if (element.currentTime > 3 * element.duration / 6) {
element.removeEventListener("timeupdate", onTimeUpdate_end);
end();
}
}
element.addEventListener("timeupdate", onTimeUpdate_pauseseekrestart);
element.addEventListener('loadedmetadata', function() {
element.currentTime = 4 * element.duration / 6;
element.play();
});
},
name: "test6"
},
// Seek repeatedly without playing. No range should appear.
{
setup(element) {
let index = 1;
element.addEventListener('seeked', function() {
index++;
element.currentTime = index * element.duration / 5;
is(element.played.length, 0, element.token + ": played.length should be 0");
if (index == 5) {
finish_test(element);
}
});
element.addEventListener('loadedmetadata', function() {
element.currentTime = element.duration / 5;
});
},
name: "test7"
}
];
function createTestArray() {
var A = [];
for (var i=0; i<tests.length; i++) {
for (var k=0; k<gPlayedTests.length; k++) {
var t = {};
t.setup = tests[i].setup;
t.name = tests[i].name + "-" + gPlayedTests[k].name;
t.type = gPlayedTests[k].type;
t.src = gPlayedTests[k].name;
A.push(t);
}
}
return A;
}
function startTest(test, token) {
var elemType = getMajorMimeType(test.type);
var element = document.createElement(elemType);
element.src = test.src;
element.token = token;
element.preload = "metadata";
test.setup(element);
manager.started(token);
// Log events for debugging.
var events = ["suspend", "play", "canplay", "canplaythrough", "loadstart", "loadedmetadata",
"loadeddata", "playing", "ended", "error", "stalled", "emptied", "abort",
"waiting", "pause"];
function logEvent(e) {
var v = e.target;
info(v.token + ": got " + e.type);
}
events.forEach(function(e) {
element.addEventListener(e, logEvent);
});
}
manager.runTests(createTestArray(), startTest);
</script>
</pre>
</body>
</html>