Bug 707777 - Rewrite test_bug493187.html to check readyState >= HAVE_FUTURE_DATA after seeking. r=roc

This commit is contained in:
JW Wang 2014-09-11 01:24:00 -04:00
parent bdb778d2f4
commit 988a05aa88

View File

@ -15,67 +15,79 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=493187
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.expectAssertions(0, 2);
// Decrease parallelism for this test requires decent decoding performance in
// order to pass the test.
PARALLEL_TESTS = 1;
var manager = new MediaTestManager;
function start(e) {
var v = e.target;
info("[" + v._name + "] start");
e.target.currentTime = e.target.duration / 4;
function finish(v) {
v.onerror = null;
removeNodeAndSource(v);
manager.finished(v.token);
}
function startSeeking(e) {
function timeupdate(e) {
var v = e.target;
info("[" + v._name + "] seeking");
e.target._seeked = true;
}
function canPlayThrough(e) {
var v = e.target;
info("[" + v._name + "] canPlayThrough");
if (v._seeked && !v._finished) {
ok(true, "[" + v._name + "] got canplaythrough after seek");
v._finished = true;
v.parentNode.removeChild(v);
v.src = "";
manager.finished(v.token);
var b = v.buffered;
var start = b.start(0);
var end = b.end(0);
// We got enough data buffered, try to seek within the buffered range.
if (end - start >= v.duration / 2) {
info("[" + v._name + "] buffered start=" + start + " end=" + end);
v.ontimeupdate = null;
// Seek to the middle of the buffered range.
var t = (start + end) / 2;
info("[" + v._name + "] seeking to " + t);
v.currentTime = t;
}
}
function seeked(e) {
var v = e.target;
info("[" + v._name + "] seeked");
info("[" + v._name + "] seeked currentTime=" + v.currentTime + " readyState=" + v.readyState);
// Having seeked within the buffered range, readyState should be at least
// HAVE_FUTURE_DATA now or later (buffered data becoming decoded data).
if (v.readyState >= v.HAVE_FUTURE_DATA) {
finish(v);
return;
}
v.oncanplay = function() {
info("[" + v._name + "] oncanplay currentTime=" + v.currentTime + " readyState=" + v.readyState);
// Pass the test when we receive "oncanplay". Don't check |readyState >= HAVE_FUTURE_DATA|
// for "oncanplay" is dispatched asynchronously, readyState could be changed
// before "oncanplay" is received.
v.oncanplay = null;
v.onended = null;
finish(v);
}
v.onended = function() {
v.oncanplay = null;
v.onended = null;
ok(false, "[" + v._name + "] readyState=" + v.readyState + " not reaching HAVE_FUTURE_DATA before ended");
finish(v);
}
}
function error(e) {
var v = e.target;
info("[" + v._name + "] error");
info("[" + v._name + "] error=" + v.error.code);
finish(v);
}
function startTest(test, token) {
// TODO: Bug 568402, there's a bug in the WAV backend where we sometimes
// don't send canplaythrough events after seeking. Once that is fixed,
// we should remove this guard below so that we run this test for audio.
var type = getMajorMimeType(test.type);
if (type != "video")
return;
var v = document.createElement('video');
v.token = token;
manager.started(token);
v.src = test.name;
v._name = test.name;
v._seeked = false;
v._finished = false;
v.preload = "auto";
v.addEventListener("loadedmetadata", start, false);
v.addEventListener("canplaythrough", canPlayThrough, false);
v.addEventListener("seeking", startSeeking, false);
v.addEventListener("seeked", seeked, false);
v.addEventListener("error", error, false);
v.ontimeupdate = timeupdate;
v.onseeked = seeked;
v.onerror = error;
document.body.appendChild(v);
v.play();
}
SimpleTest.waitForExplicitFinish();