The Tor Browser / file revision

 function test_seek7(v, seekTime, is, ok, finish) {

 // If a NaN is passed to currentTime, make sure this is caught

 // otherwise an infinite loop in the Ogg backend occurs.

 var completed = false;

 var thrown1 = false;

 var thrown2 = false;

 var thrown3 = false;

 function startTest() {

   if (completed)

     return;

   try {

     v.currentTime = NaN;

   } catch(e) {

     thrown1 = true;

   }

   try {

     v.currentTime = Math.random;

   } catch(e) {

     thrown3 = true;

   }

   completed = true;

   ok(thrown1, "Setting currentTime to invalid value of NaN");

   ok(thrown3, "Setting currentTime to invalid value of a function");

   finish();

 }

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

 }