test_page_size_is_32k.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

*/

// Default SQLite page size: 32 KiB normally, 8 KiB with encryption on

// (obfsvfs::kObfsPageSize).

const kEncryptionEnabled = Services.prefs.getBoolPref(

  "security.storage.encryption.sqlite.enabled",

  false

);

const kExpectedPageSize = kEncryptionEnabled ? 8192 : 32768;

const kExpectedCacheSize = -2048; // 2MiB

function check_size(db) {

  var stmt = db.createStatement("PRAGMA page_size");

  stmt.executeStep();

  Assert.equal(

    stmt.getInt32(0),

    kExpectedPageSize,

    "page_size matches expected default for encryption=" + kEncryptionEnabled

);

  stmt.finalize();

  stmt = db.createStatement("PRAGMA cache_size");

  stmt.executeStep();

  Assert.equal(stmt.getInt32(0), kExpectedCacheSize);

  stmt.finalize();

function new_file(name) {

  var file = Services.dirsvc.get("ProfD", Ci.nsIFile);

  file.append(name + ".sqlite");

  Assert.ok(!file.exists());

  return file;

function run_test() {

  check_size(getDatabase(new_file("shared_default_pagesize")));

  check_size(

    Services.storage.openUnsharedDatabase(new_file("unshared_default_pagesize"))

);