Quelle test_caching.html Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/dom/serviceworkers/test/performance/test_caching.html

<!DOCTYPE HTML>
<html>
<head>
  <title>Service worker performance test: caching</title>
</head>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="../utils.js"></script>
<script src="perfutils.js"></script>
<script>

  "use strict";

  const NO_CACHE = "No cache";
  const CACHED = "Cached";
  const NO_CACHE_AGAIN = "No cache again";

  var journal = {};
  journal[NO_CACHE] = [];
  journal[CACHED] = [];
  journal[NO_CACHE_AGAIN] = [];

  const ITERATIONS = 10;

  var perfMetadata = {
    owner: "DOM LWS",
    name: "Service Worker Caching",
    description: "Test service worker caching.",
    options: {
      default: {
        perfherder: true,
        perfherder_metrics: [
          // Here, we can't use the constants defined above because perfherder
          // grabs data from the parse tree.
          { name: "No cache", unit: "ms", shouldAlert: true },
          { name: "Cached", unit: "ms", shouldAlert: true },
          { name: "No cache again", unit: "ms", shouldAlert: true },
        ],
        verbose: true,
        manifest: "perftest.toml",
        manifest_flavor: "plain",
      },
    },
  };

  add_task(async () => {
    await SpecialPowers.pushPrefEnv({
      set: [["dom.serviceWorkers.testing.enabled", true]]
    });
  });

  function create_iframe(url) {
    return new Promise(function(res) {
      let iframe = document.createElement("iframe");
      iframe.src = url;
      iframe.onload = function() { res(iframe) }
      document.body.appendChild(iframe);
    });
  }

  async function time_fetch(journal, iframe, filename) {
    for (let i = 0; i < ITERATIONS; i++) {
      let result = await iframe.contentWindow.time_fetch(filename);
      is(result.status, 200);
      is(result.data, filename);
      journal.push(result.elapsed_ms);
    }
  }

  add_task(async () => {
    let reg = await navigator.serviceWorker.register("sw_cacher.js");
    await waitForState(reg.installing, "activated");

    let iframe = await create_iframe("time_fetch.html");

    await time_fetch(journal[NO_CACHE], iframe, "uncached.txt");
    await time_fetch(journal[CACHED], iframe, "cached.txt");
    await time_fetch(journal[NO_CACHE_AGAIN], iframe, "uncached.txt");

    await reg.unregister();
  });

  add_task(() => {
    reportMetrics(journal);
  });

</script>
<body>
</body>
</html>

Messung V0.5

¤ Dauer der Verarbeitung: 0.2 Sekunden ¤

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Cephes Mathematical Library

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