File: buffered-flag.any.js

package info (click to toggle)
firefox 144.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,637,504 kB
  • sloc: cpp: 7,576,692; javascript: 6,430,831; ansic: 3,748,119; python: 1,398,978; xml: 628,810; asm: 438,679; java: 186,194; sh: 63,212; makefile: 19,159; objc: 13,086; perl: 12,986; yacc: 4,583; cs: 3,846; pascal: 3,448; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (18 lines) | stat: -rw-r--r-- 977 bytes parent folder | download | duplicates (32) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
async_test(t => {
  performance.clearResourceTimings();
  // First observer creates second in callback to ensure the entry has been dispatched by the time
  // the second observer begins observing.
  new PerformanceObserver(() => {
    // Second observer requires 'buffered: true' to see an entry.
    new PerformanceObserver(t.step_func_done(list => {
      const entries = list.getEntries();
      assert_equals(entries.length, 1, 'There should be 1 resource entry.');
      assert_equals(entries[0].entryType, 'resource');
      assert_greater_than(entries[0].startTime, 0);
      assert_greater_than(entries[0].responseEnd, entries[0].startTime);
      assert_greater_than(entries[0].duration, 0);
      assert_true(entries[0].name.endsWith('resources/empty.js'));
    })).observe({'type': 'resource', buffered: true});
  }).observe({'entryTypes': ['resource']});
  fetch('resources/empty.js');
}, 'PerformanceObserver with buffered flag sees previous resource entries.');