tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

po-disconnect.any.js (1226B)


      1 // META: script=performanceobservers.js
      2 
      3  async_test(function (t) {
      4    var observer = new PerformanceObserver(
      5        t.step_func(function (entryList, obs) {
      6          assert_unreached("This callback must not be invoked");
      7        })
      8      );
      9    observer.observe({entryTypes: ["mark", "measure", "navigation"]});
     10    observer.disconnect();
     11    self.performance.mark("mark1");
     12    self.performance.measure("measure1");
     13    t.step_timeout(function () {
     14      t.done();
     15    }, 2000);
     16  }, "disconnected callbacks must not be invoked");
     17 
     18  test(function () {
     19    var obs = new PerformanceObserver(function () { return true; });
     20    obs.disconnect();
     21    obs.disconnect();
     22  }, "disconnecting an unconnected observer is a no-op");
     23 
     24  async_test(function (t) {
     25    var observer = new PerformanceObserver(
     26        t.step_func(function (entryList, obs) {
     27          assert_unreached("This callback must not be invoked");
     28        })
     29      );
     30    observer.observe({entryTypes: ["mark"]});
     31    self.performance.mark("mark1");
     32    observer.disconnect();
     33    self.performance.mark("mark2");
     34    t.step_timeout(function () {
     35      t.done();
     36    }, 2000);
     37  }, "An observer disconnected after a mark must not have its callback invoked");