tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_stringLength2.js (2000B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 /**
      7 * This test is mainly to verify that string length is correctly computed for
      8 * database values containing NULs. See bug 1541681.
      9 */
     10 
     11 add_task(async function testSteps() {
     12  const principal = getPrincipal("http://example.org");
     13 
     14  const data = {};
     15  data.key = "foobar";
     16  data.secondKey = "foobaz";
     17  data.value = {
     18    length: 19253,
     19  };
     20  data.usage = data.key.length + data.value.length;
     21 
     22  async function checkUsage(expectedUsage) {
     23    info("Checking usage");
     24 
     25    // This forces any pending changes to be flushed to disk.  It also forces
     26    // data to be reloaded from disk at next localStorage API call.
     27    request = resetClient(principal);
     28    await requestFinished(request);
     29 
     30    request = getOriginUsage(principal);
     31    await requestFinished(request);
     32 
     33    is(request.result.usage, expectedUsage, "Correct usage");
     34  }
     35 
     36  info("Setting pref");
     37 
     38  Services.prefs.setBoolPref(
     39    "dom.storage.enable_unsupported_legacy_implementation",
     40    false
     41  );
     42 
     43  info("Stage 1 - Checking usage after profile installation");
     44 
     45  info("Clearing");
     46 
     47  let request = clear();
     48  await requestFinished(request);
     49 
     50  info("Installing package");
     51 
     52  // The profile contains storage.sqlite and webappsstore.sqlite.
     53  installPackage("stringLength2_profile");
     54 
     55  await checkUsage(0);
     56 
     57  info("Stage 2 - Checking usage after archived data migration");
     58 
     59  info("Opening database");
     60 
     61  let storage = getLocalStorage(principal);
     62  storage.open();
     63 
     64  await checkUsage(data.usage);
     65 
     66  info("Stage 3 - Checking usage after copying the value");
     67 
     68  info("Adding a second copy of the value");
     69 
     70  let value = storage.getItem(data.key);
     71  storage.setItem(data.secondKey, value);
     72 
     73  await checkUsage(2 * data.usage);
     74 
     75  info("Stage 4 - Checking length of the copied value");
     76 
     77  value = storage.getItem(data.secondKey);
     78  Assert.strictEqual(value.length, data.value.length, "Correct string length");
     79 });