test_missing_variables.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

// Disable `xpc::IsInAutomation()` so that missing variables don't throw

// errors.

Services.prefs.setBoolPref(

  "security.turn_off_all_security_so_that_viruses_can_take_over_this_computer",

  false

);

/**

 * The following test demonstrates crashing behavior.

*/

add_task(function test_missing_variables() {

  const l10nReg = new L10nRegistry();

  const fs = [

    { path: "/localization/en-US/browser/test.ftl", source: "welcome-message = Welcome { $user }\n" }

  const locales = ["en-US"];

  const source = L10nFileSource.createMock("test", "app", locales, "/localization/{locale}", fs);

  l10nReg.registerSources([source]);

  const l10n = new Localization(["/browser/test.ftl"], true, l10nReg, locales);

    const [message] = l10n.formatValuesSync([{ id: "welcome-message", args: { user: "Greg" } }]);

    equal(message, "Welcome Greg");

    // This will crash in debug builds.

    const [message] = l10n.formatValuesSync([{ id: "welcome-message" }]);

    equal(message, "Welcome {$user}");

});