The Tor Browser: content/media/test/seek4.js@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 function test_seek4(v, seekTime, is, ok, finish) {

     3 // Test for a seek, followed by another seek before the first is complete.

     4 var seekCount = 0;

     5 var completed = false;

     7 function startTest() {

     8   if (completed)

     9     return;

    11   v.currentTime=seekTime;

    12   v._seekTarget=seekTime;

    13 }

    15 function seekStarted() {

    16   if (completed)

    17     return;

    19   seekCount += 1;

    21   ok(v.currentTime >= v._seekTarget - 0.1,

    22      "Video currentTime should be around " + v._seekTarget + ": " + v.currentTime);

    23   if (seekCount == 1) {

    24     v.currentTime=seekTime/2;

    25     v._seekTarget=seekTime/2;

    26   }

    27 }

    29 function seekEnded() {

    30   if (completed)

    31     return;

    33   if (seekCount == 2) {

    34     ok(Math.abs(v.currentTime - seekTime/2) <= 0.1, "seek on target: " + v.currentTime);

    35     completed = true;

    36     finish();

    37   }

    38 }

    40 v.addEventListener("loadedmetadata", startTest, false);

    41 v.addEventListener("seeking", seekStarted, false);

    42 v.addEventListener("seeked", seekEnded, false);

    44 }

The Tor Browser / file revision

content/media/test/seek4.js@97036ab72558

content/media/test/seek4.js