gecko/content/media/test/seek1.js

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function test_seek1(v, seekTime, is, ok, finish) {
var startPassed = false;
var endPassed = false;
var seekFlagStart = false;
var seekFlagEnd = false;
var readonly = true;
var completed = false;
function startTest() {
if (completed)
return false;
ok(!v.seeking, "seeking should default to false");
try {
v.seeking = true;
readonly = v.seeking === false;
}
catch(e) {
readonly = "threw exception: " + e;
}
is(readonly, true, "seeking should be readonly");
v.play();
v.currentTime=seekTime;
seekFlagStart = v.seeking;
return false;
}
function seekStarted() {
if (completed)
return false;
ok(v.currentTime >= seekTime - 0.1,
"Video currentTime should be around " + seekTime + ": " + v.currentTime + " (seeking)");
v.pause();
startPassed = true;
return false;
}
function seekEnded() {
if (completed)
return false;
var t = v.currentTime;
// Since we were playing, and we only paused asynchronously, we can't be
// sure that we paused before the seek finished, so we may have played
// ahead arbitrarily far.
ok(t >= seekTime - 0.1, "Video currentTime should be around " + seekTime + ": " + t + " (seeked)");
v.play();
endPassed = true;
seekFlagEnd = v.seeking;
return false;
}
function playbackEnded() {
if (completed)
return false;
completed = true;
ok(startPassed, "seeking event");
ok(endPassed, "seeked event");
ok(seekFlagStart, "seeking flag on start should be true");
ok(!seekFlagEnd, "seeking flag on end should be false");
finish();
return false;
}
v.addEventListener("ended", playbackEnded, false);
v.addEventListener("loadedmetadata", startTest, false);
v.addEventListener("seeking", seekStarted, false);
v.addEventListener("seeked", seekEnded, false);
}