/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 /**
  * Test preventive maintenance
  * For every maintenance query create an uncoherent db and check that we take
  * correct fix steps, without polluting valid data.
  */

// Include PlacesDBUtils module
Components.utils.import("resource://gre/modules/PlacesDBUtils.jsm");

const FINISHED_MAINTENANCE_NOTIFICATION_TOPIC = "places-maintenance-finished";

// Get services and database connection
var hs = PlacesUtils.history;
var bs = PlacesUtils.bookmarks;
var ts = PlacesUtils.tagging;
var as = PlacesUtils.annotations;
var fs = PlacesUtils.favicons;

var mDBConn = hs.QueryInterface(Ci.nsPIPlacesDatabase).DBConnection;

// ------------------------------------------------------------------------------
// Helpers

var defaultBookmarksMaxId = 0;
function cleanDatabase() {
  mDBConn.executeSimpleSQL("DELETE FROM moz_places");
  mDBConn.executeSimpleSQL("DELETE FROM moz_historyvisits");
  mDBConn.executeSimpleSQL("DELETE FROM moz_anno_attributes");
  mDBConn.executeSimpleSQL("DELETE FROM moz_annos");
  mDBConn.executeSimpleSQL("DELETE FROM moz_items_annos");
  mDBConn.executeSimpleSQL("DELETE FROM moz_inputhistory");
  mDBConn.executeSimpleSQL("DELETE FROM moz_keywords");
  mDBConn.executeSimpleSQL("DELETE FROM moz_icons");
  mDBConn.executeSimpleSQL("DELETE FROM moz_pages_w_icons");
  mDBConn.executeSimpleSQL("DELETE FROM moz_bookmarks WHERE id > " + defaultBookmarksMaxId);
}

function addPlace(aUrl, aFavicon) {
  let href = new URL(aUrl || "http://www.mozilla.org").href;
  let stmt = mDBConn.createStatement(
    "INSERT INTO moz_places (url, url_hash) VALUES (:url, hash(:url))");
  stmt.params["url"] = href;
  stmt.execute();
  stmt.finalize();
  let id = mDBConn.lastInsertRowID;
  if (aFavicon) {
    stmt = mDBConn.createStatement(
      "INSERT INTO moz_pages_w_icons (page_url, page_url_hash) VALUES (:url, hash(:url))");
    stmt.params["url"] = href;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement(
      "INSERT INTO moz_icons_to_pages (page_id, icon_id) " +
      "VALUES ((SELECT id FROM moz_pages_w_icons WHERE page_url_hash = hash(:url)), :favicon)");
    stmt.params["url"] = href;
    stmt.params["favicon"] = aFavicon;
    stmt.execute();
    stmt.finalize();
  }
  return id;
}

function addBookmark(aPlaceId, aType, aParent, aKeywordId, aFolderType, aTitle) {
  let stmt = mDBConn.createStatement(
    `INSERT INTO moz_bookmarks (fk, type, parent, keyword_id, folder_type,
                                title, guid)
     VALUES (:place_id, :type, :parent, :keyword_id, :folder_type, :title,
             GENERATE_GUID())`);
  stmt.params["place_id"] = aPlaceId || null;
  stmt.params["type"] = aType || bs.TYPE_BOOKMARK;
  stmt.params["parent"] = aParent || bs.unfiledBookmarksFolder;
  stmt.params["keyword_id"] = aKeywordId || null;
  stmt.params["folder_type"] = aFolderType || null;
  stmt.params["title"] = typeof(aTitle) == "string" ? aTitle : null;
  stmt.execute();
  stmt.finalize();
  return mDBConn.lastInsertRowID;
}

// ------------------------------------------------------------------------------
// Tests

var tests = [];

// ------------------------------------------------------------------------------

tests.push({
  name: "A.1",
  desc: "Remove obsolete annotations from moz_annos",

  _obsoleteWeaveAttribute: "weave/test",
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid.
    this._placeId = addPlace();
    // Add an obsolete attribute.
    let stmt = mDBConn.createStatement(
      "INSERT INTO moz_anno_attributes (name) VALUES (:anno)"
    );
    stmt.params["anno"] = this._obsoleteWeaveAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement(
      `INSERT INTO moz_annos (place_id, anno_attribute_id)
       VALUES (:place_id,
         (SELECT id FROM moz_anno_attributes WHERE name = :anno)
       )`
    );
    stmt.params["place_id"] = this._placeId;
    stmt.params["anno"] = this._obsoleteWeaveAttribute;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that the obsolete annotation has been removed.
    let stmt = mDBConn.createStatement(
      "SELECT id FROM moz_anno_attributes WHERE name = :anno"
    );
    stmt.params["anno"] = this._obsoleteWeaveAttribute;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

tests.push({
  name: "A.2",
  desc: "Remove obsolete annotations from moz_items_annos",

  _obsoleteSyncAttribute: "sync/children",
  _obsoleteGuidAttribute: "placesInternal/GUID",
  _obsoleteWeaveAttribute: "weave/test",
  _placeId: null,
  _bookmarkId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid.
    this._placeId = addPlace();
    // Add a bookmark.
    this._bookmarkId = addBookmark(this._placeId);
    // Add an obsolete attribute.
    let stmt = mDBConn.createStatement(
      `INSERT INTO moz_anno_attributes (name)
       VALUES (:anno1), (:anno2), (:anno3)`
    );
    stmt.params["anno1"] = this._obsoleteSyncAttribute;
    stmt.params["anno2"] = this._obsoleteGuidAttribute;
    stmt.params["anno3"] = this._obsoleteWeaveAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement(
      `INSERT INTO moz_items_annos (item_id, anno_attribute_id)
       SELECT :item_id, id
       FROM moz_anno_attributes
       WHERE name IN (:anno1, :anno2, :anno3)`
    );
    stmt.params["item_id"] = this._bookmarkId;
    stmt.params["anno1"] = this._obsoleteSyncAttribute;
    stmt.params["anno2"] = this._obsoleteGuidAttribute;
    stmt.params["anno3"] = this._obsoleteWeaveAttribute;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that the obsolete annotations have been removed.
    let stmt = mDBConn.createStatement(
      `SELECT id FROM moz_anno_attributes
       WHERE name IN (:anno1, :anno2, :anno3)`
    );
    stmt.params["anno1"] = this._obsoleteSyncAttribute;
    stmt.params["anno2"] = this._obsoleteGuidAttribute;
    stmt.params["anno3"] = this._obsoleteWeaveAttribute;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

tests.push({
  name: "A.3",
  desc: "Remove unused attributes",

  _usedPageAttribute: "usedPage",
  _usedItemAttribute: "usedItem",
  _unusedAttribute: "unused",
  _placeId: null,
  _bookmarkId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // add a bookmark
    this._bookmarkId = addBookmark(this._placeId);
    // Add a used attribute and an unused one.
    let stmt = mDBConn.createStatement("INSERT INTO moz_anno_attributes (name) VALUES (:anno)");
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.reset();
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.reset();
    stmt.params["anno"] = this._unusedAttribute;
    stmt.execute();
    stmt.finalize();

    stmt = mDBConn.createStatement("INSERT INTO moz_annos (place_id, anno_attribute_id) VALUES(:place_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["place_id"] = this._placeId;
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement("INSERT INTO moz_items_annos (item_id, anno_attribute_id) VALUES(:item_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["item_id"] = this._bookmarkId;
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that used attributes are still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_anno_attributes WHERE name = :anno");
    stmt.params["anno"] = this._usedPageAttribute;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["anno"] = this._usedItemAttribute;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that unused attribute has been removed
    stmt.params["anno"] = this._unusedAttribute;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "B.1",
  desc: "Remove annotations with an invalid attribute",

  _usedPageAttribute: "usedPage",
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add a used attribute.
    let stmt = mDBConn.createStatement("INSERT INTO moz_anno_attributes (name) VALUES (:anno)");
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement("INSERT INTO moz_annos (place_id, anno_attribute_id) VALUES(:place_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["place_id"] = this._placeId;
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.finalize();
    // Add an annotation with a nonexistent attribute
    stmt = mDBConn.createStatement("INSERT INTO moz_annos (place_id, anno_attribute_id) VALUES(:place_id, 1337)");
    stmt.params["place_id"] = this._placeId;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that used attribute is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_anno_attributes WHERE name = :anno");
    stmt.params["anno"] = this._usedPageAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // check that annotation with valid attribute is still there
    stmt = mDBConn.createStatement("SELECT id FROM moz_annos WHERE anno_attribute_id = (SELECT id FROM moz_anno_attributes WHERE name = :anno)");
    stmt.params["anno"] = this._usedPageAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // Check that annotation with bogus attribute has been removed
    stmt = mDBConn.createStatement("SELECT id FROM moz_annos WHERE anno_attribute_id = 1337");
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "B.2",
  desc: "Remove orphan page annotations",

  _usedPageAttribute: "usedPage",
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add a used attribute.
    let stmt = mDBConn.createStatement("INSERT INTO moz_anno_attributes (name) VALUES (:anno)");
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement("INSERT INTO moz_annos (place_id, anno_attribute_id) VALUES(:place_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["place_id"] = this._placeId;
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.reset();
    // Add an annotation to a nonexistent page
    stmt.params["place_id"] = 1337;
    stmt.params["anno"] = this._usedPageAttribute;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that used attribute is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_anno_attributes WHERE name = :anno");
    stmt.params["anno"] = this._usedPageAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // check that annotation with valid attribute is still there
    stmt = mDBConn.createStatement("SELECT id FROM moz_annos WHERE anno_attribute_id = (SELECT id FROM moz_anno_attributes WHERE name = :anno)");
    stmt.params["anno"] = this._usedPageAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // Check that an annotation to a nonexistent page has been removed
    stmt = mDBConn.createStatement("SELECT id FROM moz_annos WHERE place_id = 1337");
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------
tests.push({
  name: "C.1",
  desc: "fix missing Places root",

  setup() {
    // Sanity check: ensure that roots are intact.
    do_check_eq(bs.getFolderIdForItem(bs.placesRoot), 0);
    do_check_eq(bs.getFolderIdForItem(bs.bookmarksMenuFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.tagsFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.unfiledBookmarksFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.toolbarFolder), bs.placesRoot);

    // Remove the root.
    mDBConn.executeSimpleSQL("DELETE FROM moz_bookmarks WHERE parent = 0");
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE parent = 0");
    do_check_false(stmt.executeStep());
    stmt.finalize();
  },

  check() {
    // Ensure the roots have been correctly restored.
    do_check_eq(bs.getFolderIdForItem(bs.placesRoot), 0);
    do_check_eq(bs.getFolderIdForItem(bs.bookmarksMenuFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.tagsFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.unfiledBookmarksFolder), bs.placesRoot);
    do_check_eq(bs.getFolderIdForItem(bs.toolbarFolder), bs.placesRoot);
  }
});

// ------------------------------------------------------------------------------
tests.push({
  name: "C.2",
  desc: "Fix roots titles",

  setup() {
    // Sanity check: ensure that roots titles are correct. We can use our check.
    this.check();
    // Change some roots' titles.
    bs.setItemTitle(bs.placesRoot, "bad title");
    do_check_eq(bs.getItemTitle(bs.placesRoot), "bad title");
    bs.setItemTitle(bs.unfiledBookmarksFolder, "bad title");
    do_check_eq(bs.getItemTitle(bs.unfiledBookmarksFolder), "bad title");
  },

  check() {
    // Ensure all roots titles are correct.
    do_check_eq(bs.getItemTitle(bs.placesRoot), "");
    do_check_eq(bs.getItemTitle(bs.bookmarksMenuFolder),
                PlacesUtils.getString("BookmarksMenuFolderTitle"));
    do_check_eq(bs.getItemTitle(bs.tagsFolder),
                PlacesUtils.getString("TagsFolderTitle"));
    do_check_eq(bs.getItemTitle(bs.unfiledBookmarksFolder),
                PlacesUtils.getString("OtherBookmarksFolderTitle"));
    do_check_eq(bs.getItemTitle(bs.toolbarFolder),
                PlacesUtils.getString("BookmarksToolbarFolderTitle"));
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.1",
  desc: "Remove items without a valid place",

  _validItemId: null,
  _invalidItemId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this.placeId = addPlace();
    // Insert a valid bookmark
    this._validItemId = addBookmark(this.placeId);
    // Insert a bookmark with an invalid place
    this._invalidItemId = addBookmark(1337);
  },

  check() {
    // Check that valid bookmark is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :item_id");
    stmt.params["item_id"] = this._validItemId;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that invalid bookmark has been removed
    stmt.params["item_id"] = this._invalidItemId;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.2",
  desc: "Remove items that are not uri bookmarks from tag containers",

  _tagId: null,
  _bookmarkId: null,
  _separatorId: null,
  _folderId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Create a tag
    this._tagId = addBookmark(null, bs.TYPE_FOLDER, bs.tagsFolder);
    // Insert a bookmark in the tag
    this._bookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK, this._tagId);
    // Insert a separator in the tag
    this._separatorId = addBookmark(null, bs.TYPE_SEPARATOR, this._tagId);
    // Insert a folder in the tag
    this._folderId = addBookmark(null, bs.TYPE_FOLDER, this._tagId);
  },

  check() {
    // Check that valid bookmark is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE type = :type AND parent = :parent");
    stmt.params["type"] = bs.TYPE_BOOKMARK;
    stmt.params["parent"] = this._tagId;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that separator is no more there
    stmt.params["type"] = bs.TYPE_SEPARATOR;
    stmt.params["parent"] = this._tagId;
    do_check_false(stmt.executeStep());
    stmt.reset();
    // Check that folder is no more there
    stmt.params["type"] = bs.TYPE_FOLDER;
    stmt.params["parent"] = this._tagId;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.3",
  desc: "Remove empty tags",

  _tagId: null,
  _bookmarkId: null,
  _emptyTagId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Create a tag
    this._tagId = addBookmark(null, bs.TYPE_FOLDER, bs.tagsFolder);
    // Insert a bookmark in the tag
    this._bookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK, this._tagId);
    // Create another tag (empty)
    this._emptyTagId = addBookmark(null, bs.TYPE_FOLDER, bs.tagsFolder);
  },

  check() {
    // Check that valid bookmark is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :id AND type = :type AND parent = :parent");
    stmt.params["id"] = this._bookmarkId;
    stmt.params["type"] = bs.TYPE_BOOKMARK;
    stmt.params["parent"] = this._tagId;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["id"] = this._tagId;
    stmt.params["type"] = bs.TYPE_FOLDER;
    stmt.params["parent"] = bs.tagsFolder;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["id"] = this._emptyTagId;
    stmt.params["type"] = bs.TYPE_FOLDER;
    stmt.params["parent"] = bs.tagsFolder;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.4",
  desc: "Move orphan items to unsorted folder",

  _orphanBookmarkId: null,
  _orphanSeparatorId: null,
  _orphanFolderId: null,
  _bookmarkId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Insert an orphan bookmark
    this._orphanBookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK, 8888);
    // Insert an orphan separator
    this._orphanSeparatorId = addBookmark(null, bs.TYPE_SEPARATOR, 8888);
    // Insert a orphan folder
    this._orphanFolderId = addBookmark(null, bs.TYPE_FOLDER, 8888);
    // Create a child of the last created folder
    this._bookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK, this._orphanFolderId);
  },

  check() {
    // Check that bookmarks are now children of a real folder (unsorted)
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :item_id AND parent = :parent");
    stmt.params["item_id"] = this._orphanBookmarkId;
    stmt.params["parent"] = bs.unfiledBookmarksFolder;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["item_id"] = this._orphanSeparatorId;
    stmt.params["parent"] = bs.unfiledBookmarksFolder;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["item_id"] = this._orphanFolderId;
    stmt.params["parent"] = bs.unfiledBookmarksFolder;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["item_id"] = this._bookmarkId;
    stmt.params["parent"] = this._orphanFolderId;
    do_check_true(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.6",
  desc: "Fix wrong item types | bookmarks",

  _separatorId: null,
  _folderId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add a separator with a fk
    this._separatorId = addBookmark(this._placeId, bs.TYPE_SEPARATOR);
    // Add a folder with a fk
    this._folderId = addBookmark(this._placeId, bs.TYPE_FOLDER);
  },

  check() {
    // Check that items with an fk have been converted to bookmarks
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :item_id AND type = :type");
    stmt.params["item_id"] = this._separatorId;
    stmt.params["type"] = bs.TYPE_BOOKMARK;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["item_id"] = this._folderId;
    stmt.params["type"] = bs.TYPE_BOOKMARK;
    do_check_true(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.7",
  desc: "Fix wrong item types | bookmarks",

  _validBookmarkId: null,
  _invalidBookmarkId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add a bookmark with a valid place id
    this._validBookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK);
    // Add a bookmark with a null place id
    this._invalidBookmarkId = addBookmark(null, bs.TYPE_BOOKMARK);
  },

  check() {
    // Check valid bookmark
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :item_id AND type = :type");
    stmt.params["item_id"] = this._validBookmarkId;
    stmt.params["type"] = bs.TYPE_BOOKMARK;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check invalid bookmark has been converted to a folder
    stmt.params["item_id"] = this._invalidBookmarkId;
    stmt.params["type"] = bs.TYPE_FOLDER;
    do_check_true(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.9",
  desc: "Fix wrong parents",

  _bookmarkId: null,
  _separatorId: null,
  _bookmarkId1: null,
  _bookmarkId2: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Insert a bookmark
    this._bookmarkId = addBookmark(this._placeId, bs.TYPE_BOOKMARK);
    // Insert a separator
    this._separatorId = addBookmark(null, bs.TYPE_SEPARATOR);
    // Create 3 children of these items
    this._bookmarkId1 = addBookmark(this._placeId, bs.TYPE_BOOKMARK, this._bookmarkId);
    this._bookmarkId2 = addBookmark(this._placeId, bs.TYPE_BOOKMARK, this._separatorId);
  },

  check() {
    // Check that bookmarks are now children of a real folder (unsorted)
    let stmt = mDBConn.createStatement("SELECT id FROM moz_bookmarks WHERE id = :item_id AND parent = :parent");
    stmt.params["item_id"] = this._bookmarkId1;
    stmt.params["parent"] = bs.unfiledBookmarksFolder;
    do_check_true(stmt.executeStep());
    stmt.reset();
    stmt.params["item_id"] = this._bookmarkId2;
    stmt.params["parent"] = bs.unfiledBookmarksFolder;
    do_check_true(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.10",
  desc: "Recalculate positions",

  _unfiledBookmarks: [],
  _toolbarBookmarks: [],

  setup() {
    const NUM_BOOKMARKS = 20;
    bs.runInBatchMode({
      runBatched(aUserData) {
        // Add bookmarks to two folders to better perturbate the table.
        for (let i = 0; i < NUM_BOOKMARKS; i++) {
          bs.insertBookmark(PlacesUtils.unfiledBookmarksFolderId,
                            NetUtil.newURI("http://example.com/"),
                            bs.DEFAULT_INDEX, "testbookmark");
        }
        for (let i = 0; i < NUM_BOOKMARKS; i++) {
          bs.insertBookmark(PlacesUtils.toolbarFolderId,
                            NetUtil.newURI("http://example.com/"),
                            bs.DEFAULT_INDEX, "testbookmark");
        }
      }
    }, null);

    function randomize_positions(aParent, aResultArray) {
      let stmt = mDBConn.createStatement(
        `UPDATE moz_bookmarks SET position = :rand
         WHERE id IN (
           SELECT id FROM moz_bookmarks WHERE parent = :parent
           ORDER BY RANDOM() LIMIT 1
         )`
      );
      for (let i = 0; i < (NUM_BOOKMARKS / 2); i++) {
        stmt.params["parent"] = aParent;
        stmt.params["rand"] = Math.round(Math.random() * (NUM_BOOKMARKS - 1));
        stmt.execute();
        stmt.reset();
      }
      stmt.finalize();

      // Build the expected ordered list of bookmarks.
      stmt = mDBConn.createStatement(
        `SELECT id, position
         FROM moz_bookmarks WHERE parent = :parent
         ORDER BY position ASC, ROWID ASC`
      );
      stmt.params["parent"] = aParent;
      while (stmt.executeStep()) {
        aResultArray.push(stmt.row.id);
        print(stmt.row.id + "\t" + stmt.row.position + "\t" +
              (aResultArray.length - 1));
      }
      stmt.finalize();
    }

    // Set random positions for the added bookmarks.
    randomize_positions(PlacesUtils.unfiledBookmarksFolderId,
                        this._unfiledBookmarks);
    randomize_positions(PlacesUtils.toolbarFolderId, this._toolbarBookmarks);
  },

  check() {
    function check_order(aParent, aResultArray) {
      // Build the expected ordered list of bookmarks.
      let stmt = mDBConn.createStatement(
        `SELECT id, position FROM moz_bookmarks WHERE parent = :parent
         ORDER BY position ASC`
      );
      stmt.params["parent"] = aParent;
      let pass = true;
      while (stmt.executeStep()) {
        print(stmt.row.id + "\t" + stmt.row.position);
        if (aResultArray.indexOf(stmt.row.id) != stmt.row.position) {
          pass = false;
        }
      }
      stmt.finalize();
      if (!pass) {
        dump_table("moz_bookmarks");
        do_throw("Unexpected unfiled bookmarks order.");
      }
    }

    check_order(PlacesUtils.unfiledBookmarksFolderId, this._unfiledBookmarks);
    check_order(PlacesUtils.toolbarFolderId, this._toolbarBookmarks);
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "D.12",
  desc: "Fix empty-named tags",

  setup() {
    // Add a place to ensure place_id = 1 is valid
    let placeId = addPlace();
    // Create a empty-named tag.
    this._untitledTagId = addBookmark(null, bs.TYPE_FOLDER, bs.tagsFolder, null, null, "");
    // Insert a bookmark in the tag, otherwise it will be removed.
    addBookmark(placeId, bs.TYPE_BOOKMARK, this._untitledTagId);
    // Create a empty-named folder.
    this._untitledFolderId = addBookmark(null, bs.TYPE_FOLDER, bs.toolbarFolder, null, null, "");
    // Create a titled tag.
    this._titledTagId = addBookmark(null, bs.TYPE_FOLDER, bs.tagsFolder, null, null, "titledTag");
    // Insert a bookmark in the tag, otherwise it will be removed.
    addBookmark(placeId, bs.TYPE_BOOKMARK, this._titledTagId);
    // Create a titled folder.
    this._titledFolderId = addBookmark(null, bs.TYPE_FOLDER, bs.toolbarFolder, null, null, "titledFolder");
  },

  check() {
    // Check that valid bookmark is still there
    let stmt = mDBConn.createStatement(
      "SELECT title FROM moz_bookmarks WHERE id = :id"
    );
    stmt.params["id"] = this._untitledTagId;
    do_check_true(stmt.executeStep());
    do_check_eq(stmt.row.title, "(notitle)");
    stmt.reset();
    stmt.params["id"] = this._untitledFolderId;
    do_check_true(stmt.executeStep());
    do_check_eq(stmt.row.title, "");
    stmt.reset();
    stmt.params["id"] = this._titledTagId;
    do_check_true(stmt.executeStep());
    do_check_eq(stmt.row.title, "titledTag");
    stmt.reset();
    stmt.params["id"] = this._titledFolderId;
    do_check_true(stmt.executeStep());
    do_check_eq(stmt.row.title, "titledFolder");
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "E.1",
  desc: "Remove orphan icon entries",

  _placeId: null,

  setup() {
    // Insert favicon entries
    let stmt = mDBConn.createStatement("INSERT INTO moz_icons (id, icon_url, fixed_icon_url_hash) VALUES(:favicon_id, :url, hash(fixup_url(:url)))");
    stmt.params["favicon_id"] = 1;
    stmt.params["url"] = "http://www1.mozilla.org/favicon.ico";
    stmt.execute();
    stmt.reset();
    stmt.params["favicon_id"] = 2;
    stmt.params["url"] = "http://www2.mozilla.org/favicon.ico";
    stmt.execute();
    stmt.finalize();
    // Insert orphan page.
    stmt = mDBConn.createStatement("INSERT INTO moz_pages_w_icons (id, page_url, page_url_hash) VALUES(:page_id, :url, hash(:url))");
    stmt.params["page_id"] = 99;
    stmt.params["url"] = "http://w99.mozilla.org/";
    stmt.execute();
    stmt.finalize();

    // Insert a place using the existing favicon entry
    this._placeId = addPlace("http://www.mozilla.org", 1);
  },

  check() {
    // Check that used icon is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_icons WHERE id = :favicon_id");
    stmt.params["favicon_id"] = 1;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that unused icon has been removed
    stmt.params["favicon_id"] = 2;
    do_check_false(stmt.executeStep());
    stmt.finalize();
    // Check that the orphan page is gone.
    stmt = mDBConn.createStatement("SELECT id FROM moz_pages_w_icons WHERE id = :page_id");
    stmt.params["page_id"] = 99;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "F.1",
  desc: "Remove orphan visits",

  _placeId: null,
  _invalidPlaceId: 1337,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add a valid visit and an invalid one
    let stmt = mDBConn.createStatement("INSERT INTO moz_historyvisits(place_id) VALUES (:place_id)");
    stmt.params["place_id"] = this._placeId;
    stmt.execute();
    stmt.reset();
    stmt.params["place_id"] = this._invalidPlaceId;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that valid visit is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_historyvisits WHERE place_id = :place_id");
    stmt.params["place_id"] = this._placeId;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that invalid visit has been removed
    stmt.params["place_id"] = this._invalidPlaceId;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "G.1",
  desc: "Remove orphan input history",

  _placeId: null,
  _invalidPlaceId: 1337,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Add input history entries
    let stmt = mDBConn.createStatement("INSERT INTO moz_inputhistory (place_id, input) VALUES (:place_id, :input)");
    stmt.params["place_id"] = this._placeId;
    stmt.params["input"] = "moz";
    stmt.execute();
    stmt.reset();
    stmt.params["place_id"] = this._invalidPlaceId;
    stmt.params["input"] = "moz";
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that inputhistory on valid place is still there
    let stmt = mDBConn.createStatement("SELECT place_id FROM moz_inputhistory WHERE place_id = :place_id");
    stmt.params["place_id"] = this._placeId;
    do_check_true(stmt.executeStep());
    stmt.reset();
    // Check that inputhistory on invalid place has gone
    stmt.params["place_id"] = this._invalidPlaceId;
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "H.1",
  desc: "Remove item annos with an invalid attribute",

  _usedItemAttribute: "usedItem",
  _bookmarkId: null,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Insert a bookmark
    this._bookmarkId = addBookmark(this._placeId);
    // Add a used attribute.
    let stmt = mDBConn.createStatement("INSERT INTO moz_anno_attributes (name) VALUES (:anno)");
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement("INSERT INTO moz_items_annos (item_id, anno_attribute_id) VALUES(:item_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["item_id"] = this._bookmarkId;
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.finalize();
    // Add an annotation with a nonexistent attribute
    stmt = mDBConn.createStatement("INSERT INTO moz_items_annos (item_id, anno_attribute_id) VALUES(:item_id, 1337)");
    stmt.params["item_id"] = this._bookmarkId;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that used attribute is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_anno_attributes WHERE name = :anno");
    stmt.params["anno"] = this._usedItemAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // check that annotation with valid attribute is still there
    stmt = mDBConn.createStatement("SELECT id FROM moz_items_annos WHERE anno_attribute_id = (SELECT id FROM moz_anno_attributes WHERE name = :anno)");
    stmt.params["anno"] = this._usedItemAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // Check that annotation with bogus attribute has been removed
    stmt = mDBConn.createStatement("SELECT id FROM moz_items_annos WHERE anno_attribute_id = 1337");
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "H.2",
  desc: "Remove orphan item annotations",

  _usedItemAttribute: "usedItem",
  _bookmarkId: null,
  _invalidBookmarkId: 8888,
  _placeId: null,

  setup() {
    // Add a place to ensure place_id = 1 is valid
    this._placeId = addPlace();
    // Insert a bookmark
    this._bookmarkId = addBookmark(this._placeId);
    // Add a used attribute.
    let stmt = mDBConn.createStatement("INSERT INTO moz_anno_attributes (name) VALUES (:anno)");
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.finalize();
    stmt = mDBConn.createStatement("INSERT INTO moz_items_annos (item_id, anno_attribute_id) VALUES (:item_id, (SELECT id FROM moz_anno_attributes WHERE name = :anno))");
    stmt.params["item_id"] = this._bookmarkId;
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.reset();
    // Add an annotation to a nonexistent item
    stmt.params["item_id"] = this._invalidBookmarkId;
    stmt.params["anno"] = this._usedItemAttribute;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that used attribute is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_anno_attributes WHERE name = :anno");
    stmt.params["anno"] = this._usedItemAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // check that annotation with valid attribute is still there
    stmt = mDBConn.createStatement("SELECT id FROM moz_items_annos WHERE anno_attribute_id = (SELECT id FROM moz_anno_attributes WHERE name = :anno)");
    stmt.params["anno"] = this._usedItemAttribute;
    do_check_true(stmt.executeStep());
    stmt.finalize();
    // Check that an annotation to a nonexistent page has been removed
    stmt = mDBConn.createStatement("SELECT id FROM moz_items_annos WHERE item_id = 8888");
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});


// ------------------------------------------------------------------------------

tests.push({
  name: "I.1",
  desc: "Remove unused keywords",

  _bookmarkId: null,
  _placeId: null,

  setup() {
    // Insert 2 keywords
    let stmt = mDBConn.createStatement("INSERT INTO moz_keywords (id, keyword, place_id) VALUES(:id, :keyword, :place_id)");
    stmt.params["id"] = 1;
    stmt.params["keyword"] = "unused";
    stmt.params["place_id"] = 100;
    stmt.execute();
    stmt.finalize();
  },

  check() {
    // Check that "used" keyword is still there
    let stmt = mDBConn.createStatement("SELECT id FROM moz_keywords WHERE keyword = :keyword");
    // Check that "unused" keyword has gone
    stmt.params["keyword"] = "unused";
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "L.2",
  desc: "Recalculate visit_count and last_visit_date",

  async setup() {
    function setVisitCount(aURL, aValue) {
      let stmt = mDBConn.createStatement(
        `UPDATE moz_places SET visit_count = :count WHERE url_hash = hash(:url)
                                                      AND url = :url`
      );
      stmt.params.count = aValue;
      stmt.params.url = aURL;
      stmt.execute();
      stmt.finalize();
    }
    function setLastVisitDate(aURL, aValue) {
      let stmt = mDBConn.createStatement(
        `UPDATE moz_places SET last_visit_date = :date WHERE url_hash = hash(:url)
                                                         AND url = :url`
      );
      stmt.params.date = aValue;
      stmt.params.url = aURL;
      stmt.execute();
      stmt.finalize();
    }

    let now = Date.now() * 1000;
    // Add a page with 1 visit.
    let url = "http://1.moz.org/";
    await PlacesTestUtils.addVisits({ uri: uri(url), visitDate: now++ });
    // Add a page with 1 visit and set wrong visit_count.
    url = "http://2.moz.org/";
    await PlacesTestUtils.addVisits({ uri: uri(url), visitDate: now++ });
    setVisitCount(url, 10);
    // Add a page with 1 visit and set wrong last_visit_date.
    url = "http://3.moz.org/";
    await PlacesTestUtils.addVisits({ uri: uri(url), visitDate: now++ });
    setLastVisitDate(url, now++);
    // Add a page with 1 visit and set wrong stats.
    url = "http://4.moz.org/";
    await PlacesTestUtils.addVisits({ uri: uri(url), visitDate: now++ });
    setVisitCount(url, 10);
    setLastVisitDate(url, now++);

    // Add a page without visits.
    url = "http://5.moz.org/";
    addPlace(url);
    // Add a page without visits and set wrong visit_count.
    url = "http://6.moz.org/";
    addPlace(url);
    setVisitCount(url, 10);
    // Add a page without visits and set wrong last_visit_date.
    url = "http://7.moz.org/";
    addPlace(url);
    setLastVisitDate(url, now++);
    // Add a page without visits and set wrong stats.
    url = "http://8.moz.org/";
    addPlace(url);
    setVisitCount(url, 10);
    setLastVisitDate(url, now++);
  },

  check() {
    let stmt = mDBConn.createStatement(
      `SELECT h.id FROM moz_places h
       JOIN moz_historyvisits v ON v.place_id = h.id AND visit_type NOT IN (0,4,7,8,9)
       GROUP BY h.id HAVING h.visit_count <> count(*)
       UNION ALL
       SELECT h.id FROM moz_places h
       JOIN moz_historyvisits v ON v.place_id = h.id
       GROUP BY h.id HAVING h.last_visit_date <> MAX(v.visit_date)`
    );
    do_check_false(stmt.executeStep());
    stmt.finalize();
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "L.3",
  desc: "recalculate hidden for redirects.",

  async setup() {
    await PlacesTestUtils.addVisits([
      { uri: NetUtil.newURI("http://l3.moz.org/"),
        transition: TRANSITION_TYPED },
      { uri: NetUtil.newURI("http://l3.moz.org/redirecting/"),
        transition: TRANSITION_TYPED },
      { uri: NetUtil.newURI("http://l3.moz.org/redirecting2/"),
        transition: TRANSITION_REDIRECT_TEMPORARY,
        referrer: NetUtil.newURI("http://l3.moz.org/redirecting/") },
      { uri: NetUtil.newURI("http://l3.moz.org/target/"),
        transition: TRANSITION_REDIRECT_PERMANENT,
        referrer: NetUtil.newURI("http://l3.moz.org/redirecting2/") },
    ]);
  },

  check() {
    return new Promise(resolve => {
      let stmt = mDBConn.createAsyncStatement(
        "SELECT h.url FROM moz_places h WHERE h.hidden = 1"
      );
      stmt.executeAsync({
        _count: 0,
        handleResult(aResultSet) {
          for (let row; (row = aResultSet.getNextRow());) {
            let url = row.getResultByIndex(0);
            do_check_true(/redirecting/.test(url));
            this._count++;
          }
        },
        handleError(aError) {
        },
        handleCompletion(aReason) {
          do_check_eq(aReason, Ci.mozIStorageStatementCallback.REASON_FINISHED);
          do_check_eq(this._count, 2);
          resolve();
        }
      });
      stmt.finalize();
    });
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "L.4",
  desc: "recalculate foreign_count.",

  async setup() {
    this._pageGuid = (await PlacesUtils.history.insert({ url: "http://l4.moz.org/",
                                                         visits: [{ date: new Date() }] })).guid;
    await PlacesUtils.bookmarks.insert({ url: "http://l4.moz.org/",
                                         parentGuid: PlacesUtils.bookmarks.unfiledGuid});
    await PlacesUtils.keywords.insert({ url: "http://l4.moz.org/", keyword: "kw" });
    Assert.equal((await this._getForeignCount()), 2);
  },

  async _getForeignCount() {
    let db = await PlacesUtils.promiseDBConnection();
    let rows = await db.execute(`SELECT foreign_count FROM moz_places
                                 WHERE guid = :guid`, { guid: this._pageGuid });
    return rows[0].getResultByName("foreign_count");
  },

  async check() {
    Assert.equal((await this._getForeignCount()), 2);
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "L.5",
  desc: "recalculate hashes when missing.",

  async setup() {
    this._pageGuid = (await PlacesUtils.history.insert({ url: "http://l5.moz.org/",
                                                         visits: [{ date: new Date() }] })).guid;
    Assert.ok((await this._getHash()) > 0);
    await PlacesUtils.withConnectionWrapper("change url hash", async function(db) {
      await db.execute(`UPDATE moz_places SET url_hash = 0`);
    });
    Assert.equal((await this._getHash()), 0);
  },

  async _getHash() {
    let db = await PlacesUtils.promiseDBConnection();
    let rows = await db.execute(`SELECT url_hash FROM moz_places
                                 WHERE guid = :guid`, { guid: this._pageGuid });
    return rows[0].getResultByName("url_hash");
  },

  async check() {
    Assert.ok((await this._getHash()) > 0);
  }
});

// ------------------------------------------------------------------------------

tests.push({
  name: "Z",
  desc: "Sanity: Preventive maintenance does not touch valid items",

  _uri1: uri("http://www1.mozilla.org"),
  _uri2: uri("http://www2.mozilla.org"),
  _folderId: null,
  _bookmarkId: null,
  _separatorId: null,

  async setup() {
    // use valid api calls to create a bunch of items
    await PlacesTestUtils.addVisits([
      { uri: this._uri1 },
      { uri: this._uri2 },
    ]);

    this._folderId = bs.createFolder(bs.toolbarFolder, "testfolder",
                                     bs.DEFAULT_INDEX);
    do_check_true(this._folderId > 0);
    this._bookmarkId = bs.insertBookmark(this._folderId, this._uri1,
                                         bs.DEFAULT_INDEX, "testbookmark");
    do_check_true(this._bookmarkId > 0);
    this._separatorId = bs.insertSeparator(bs.unfiledBookmarksFolder,
                                           bs.DEFAULT_INDEX);
    do_check_true(this._separatorId > 0);
    ts.tagURI(this._uri1, ["testtag"]);
    fs.setAndFetchFaviconForPage(this._uri2, SMALLPNG_DATA_URI, false,
                                 PlacesUtils.favicons.FAVICON_LOAD_NON_PRIVATE,
                                 null,
                                 Services.scriptSecurityManager.getSystemPrincipal());
    await PlacesUtils.keywords.insert({ url: this._uri1.spec, keyword: "testkeyword" });
    as.setPageAnnotation(this._uri2, "anno", "anno", 0, as.EXPIRE_NEVER);
    as.setItemAnnotation(this._bookmarkId, "anno", "anno", 0, as.EXPIRE_NEVER);
  },

  async check() {
    // Check that all items are correct
    let isVisited = await promiseIsURIVisited(this._uri1);
    do_check_true(isVisited);
    isVisited = await promiseIsURIVisited(this._uri2);
    do_check_true(isVisited);

    do_check_eq(bs.getBookmarkURI(this._bookmarkId).spec, this._uri1.spec);
    do_check_eq(bs.getItemIndex(this._folderId), 0);
    do_check_eq(bs.getItemType(this._folderId), bs.TYPE_FOLDER);
    do_check_eq(bs.getItemType(this._separatorId), bs.TYPE_SEPARATOR);

    do_check_eq(ts.getTagsForURI(this._uri1).length, 1);
    do_check_eq((await PlacesUtils.keywords.fetch({ url: this._uri1.spec })).keyword, "testkeyword");
    do_check_eq(as.getPageAnnotation(this._uri2, "anno"), "anno");
    do_check_eq(as.getItemAnnotation(this._bookmarkId, "anno"), "anno");

    await new Promise(resolve => {
      fs.getFaviconURLForPage(this._uri2, aFaviconURI => {
        do_check_true(aFaviconURI.equals(SMALLPNG_DATA_URI));
        resolve();
      });
    });
  }
});

// ------------------------------------------------------------------------------

add_task(async function test_preventive_maintenance() {
  // Get current bookmarks max ID for cleanup
  let stmt = mDBConn.createStatement("SELECT MAX(id) FROM moz_bookmarks");
  stmt.executeStep();
  defaultBookmarksMaxId = stmt.getInt32(0);
  stmt.finalize();
  do_check_true(defaultBookmarksMaxId > 0);

  for (let test of tests) {
    dump("\nExecuting test: " + test.name + "\n*** " + test.desc + "\n");
    await test.setup();

    Services.prefs.clearUserPref("places.database.lastMaintenance");
    await PlacesDBUtils.maintenanceOnIdle();

    // Check the lastMaintenance time has been saved.
    do_check_neq(Services.prefs.getIntPref("places.database.lastMaintenance"), null);

    await test.check();

    cleanDatabase();
  }

  // Sanity check: all roots should be intact
  do_check_eq(bs.getFolderIdForItem(bs.placesRoot), 0);
  do_check_eq(bs.getFolderIdForItem(bs.bookmarksMenuFolder), bs.placesRoot);
  do_check_eq(bs.getFolderIdForItem(bs.tagsFolder), bs.placesRoot);
  do_check_eq(bs.getFolderIdForItem(bs.unfiledBookmarksFolder), bs.placesRoot);
  do_check_eq(bs.getFolderIdForItem(bs.toolbarFolder), bs.placesRoot);
});
