tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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idlharness.window.js (907B)

      1 // META: script=/resources/WebIDLParser.js
      2 // META: script=/resources/idlharness.js
      3 
      4 // https://w3c.github.io/longtasks/
      5 
      6 'use strict';
      7 
      8 idl_test(
      9  ['longtasks'],
     10  ['performance-timeline', 'hr-time'],
     11  (idl_array, t) => new Promise((resolve, reject) => {
     12    const longTask = () => {
     13      const begin = self.performance.now();
     14      while (self.performance.now() < begin + 100);
     15    }
     16    t.step_timeout(longTask, 0);
     17 
     18    const observer = new PerformanceObserver((entryList, observer) => {
     19      const entries = Array.from(entryList.getEntries());
     20      idl_array.add_objects({
     21        PerformanceLongTaskTiming: entries.slice(0, 1),
     22        TaskAttributionTiming: entries[0].attribution,
     23      });
     24      observer.disconnect();
     25      resolve();
     26    });
     27    observer.observe({entryTypes: ['longtask']});
     28 
     29    t.step_timeout(() => {
     30      reject('longtask entry was not observed');
     31    }, 1000);
     32  })
     33 );