test_defaultValues.js

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/* 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/. */

/* Tests for providing a default value to get{Bool,Char,Float,Int}Pref */

function run_test() {

  const ps = Services.prefs;

  let prefName = "test.default.values.bool";

  do_check_throws(function () {

    ps.getBoolPref(prefName);

  }, Cr.NS_ERROR_UNEXPECTED);

  strictEqual(ps.getBoolPref(prefName, false), false);

  strictEqual(ps.getBoolPref(prefName, true), true);

  ps.setBoolPref(prefName, true);

  strictEqual(ps.getBoolPref(prefName), true);

  strictEqual(ps.getBoolPref(prefName, false), true);

  strictEqual(ps.getBoolPref(prefName, true), true);

  prefName = "test.default.values.char";

  do_check_throws(function () {

    ps.getCharPref(prefName);

  }, Cr.NS_ERROR_UNEXPECTED);

  strictEqual(ps.getCharPref(prefName, ""), "");

  strictEqual(ps.getCharPref(prefName, "string"), "string");

  ps.setCharPref(prefName, "foo");

  strictEqual(ps.getCharPref(prefName), "foo");

  strictEqual(ps.getCharPref(prefName, "string"), "foo");

  prefName = "test.default.values.string";

  do_check_throws(function () {

    ps.getCharPref(prefName);

  }, Cr.NS_ERROR_UNEXPECTED);

  strictEqual(ps.getStringPref(prefName, ""), "");

  strictEqual(ps.getStringPref(prefName, "éèçàê€"), "éèçàê€");

  ps.setStringPref(prefName, "éèçàê€");

  strictEqual(ps.getStringPref(prefName), "éèçàê€");

  strictEqual(ps.getStringPref(prefName, "string"), "éèçàê€");

  prefName = "test.default.values.float";

  do_check_throws(function () {

    ps.getFloatPref(prefName);

  }, Cr.NS_ERROR_UNEXPECTED);

  strictEqual(ps.getFloatPref(prefName, 3.5), 3.5);

  strictEqual(ps.getFloatPref(prefName, 0), 0);

  ps.setCharPref(prefName, 1.75);

  strictEqual(ps.getFloatPref(prefName), 1.75);

  strictEqual(ps.getFloatPref(prefName, 3.5), 1.75);

  prefName = "test.default.values.int";

  do_check_throws(function () {

    ps.getIntPref(prefName);

  }, Cr.NS_ERROR_UNEXPECTED);

  strictEqual(ps.getIntPref(prefName, 3), 3);

  strictEqual(ps.getIntPref(prefName, 0), 0);

  ps.setIntPref(prefName, 42);

  strictEqual(ps.getIntPref(prefName), 42);

  strictEqual(ps.getIntPref(prefName, 3), 42);