test_usage.js - mozsearch

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/**

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/

*/

add_task(async function testSteps() {

  const data = {};

  data.key = "key1";

  data.value = "value1";

  data.usage = data.key.length + data.value.length;

  const principal = getPrincipal("http://example.com");

  info("Setting prefs");

  Services.prefs.setBoolPref(

    "dom.storage.enable_unsupported_legacy_implementation",

    false

);

  info("Stage 1 - Testing usage after adding item");

  info("Getting storage");

  let storage = getLocalStorage(principal);

  info("Adding item");

  storage.setItem(data.key, data.value);

  info("Resetting origin");

  let request = resetOrigin(principal);

  await requestFinished(request);

  info("Getting usage");

  request = getOriginUsage(principal);

  await requestFinished(request);

  is(request.result.usage, data.usage, "Correct usage");

  info("Resetting");

  request = reset();

  await requestFinished(request);

  info("Stage 2 - Testing usage after removing item");

  info("Getting storage");

  storage = getLocalStorage(principal);

  info("Removing item");

  storage.removeItem(data.key);

  info("Resetting origin");

  request = resetOrigin(principal);

  await requestFinished(request);

  info("Getting usage");

  request = getOriginUsage(principal);

  await requestFinished(request);

  is(request.result.usage, 0, "Correct usage");

});