gecko-dev/browser/components/customizableui/test/browser_877006_missing_view.js

/* 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/. */

let gTests = [
  {
    desc: "Should be able to add broken view widget",
    run: function() {
      const kWidgetId = 'test-877006-broken-widget';
      let widgetSpec = {
        id: kWidgetId,
        type: 'view',
        viewId: 'idontexist',
        /* Empty handler so we try to attach it maybe? */
        onViewShowing: function() {
        },
      };

      let noError = true;
      try {
        CustomizableUI.createWidget(widgetSpec);
        CustomizableUI.addWidgetToArea(kWidgetId, CustomizableUI.AREA_NAVBAR);
      } catch (ex) {
        Cu.reportError(ex);
        noError = false;
      }
      ok(noError, "Should not throw an exception trying to add a broken view widget.");

      noError = true;
      try {
        CustomizableUI.destroyWidget(kWidgetId);
      } catch (ex) {
        Cu.reportError(ex);
        noError = false;
      }
      ok(noError, "Should not throw an exception trying to remove the broken view widget.");
    }
  }
];


function asyncCleanup() {
  yield resetCustomization();
}

function test() {
  waitForExplicitFinish();
  runTests(gTests, asyncCleanup);
}