test_url_perf.html

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<!DOCTYPE HTML>

<html>

<head>

  <title>Networking performance test: url parsing</title>

</head>

<script src="/tests/SimpleTest/SimpleTest.js"></script>

<script>

  // this test is just used locally to get an idea of how long url parsing takes

  "use strict";

  let runs = 20000;

  let timeToCreateDataUrl = 0;

  let timeToCreateDataSlashUrl = 0;

  let timeToCreateJsUrl = 0;

  let timeToCreateJsSlashUrl = 0;

  // data scheme

  add_task(async () => {

    let before = new Date().getTime();

    for (let i = 0; i < runs; i++) {

      new URL("data:,test" + i);

    let after = new Date().getTime();

    timeToCreateDataUrl = after - before;

    dump(

      "Time to create data url (milliseconds): " + timeToCreateDataUrl + "\n"

);

});

  // data://

  add_task(async () => {

    let before = new Date().getTime();

    for (let i = 0; i < runs; i++) {

      new URL("data://,test" + i);

    let after = new Date().getTime();

    timeToCreateDataSlashUrl = after - before;

    dump(

      "Time to create data // url (milliseconds): " + timeToCreateDataSlashUrl + "\n"

);

});

  // javascript scheme

  add_task(async () => {

    let beforeJs = new Date().getTime();

    for (let i = 0; i < runs; i++) {

      new URL("javascript:,test" + i);

    let afterJs = new Date().getTime();

    timeToCreateJsUrl = afterJs - beforeJs;

    dump(

      "Time to create JS url (milliseconds): " + timeToCreateJsUrl + "\n"

);

});

  // javascript://

  add_task(async () => {

    let beforeJs = new Date().getTime();

    for (let i = 0; i < runs; i++) {

      new URL("javascript://,test" + i);

    let afterJs = new Date().getTime();

    timeToCreateJsSlashUrl = afterJs - beforeJs;

    dump(

      "Time to create JS // url (milliseconds): " + timeToCreateJsSlashUrl + "\n"

);

});

  ok("finished");

</script>

<body>

</body>

</html>