mozilla-central/modules/libpref/test/unit/test_changeType.js (file symbol)

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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 changing the type of a preference (bug 985998) */
function run_test() {
var ps = Services.prefs;
let defaultBranch = ps.getDefaultBranch("");
let userBranch = ps.getBranch("");
// Prefs that only have a default value -- we can't change their type.
defaultBranch.setBoolPref("TypeTest.default.bool", true);
defaultBranch.setIntPref("TypeTest.default.int", 23);
defaultBranch.setCharPref("TypeTest.default.char", "hey");
Assert.equal(userBranch.getBoolPref("TypeTest.default.bool"), true);
Assert.equal(userBranch.getIntPref("TypeTest.default.int"), 23);
Assert.equal(userBranch.getCharPref("TypeTest.default.char"), "hey");
// Prefs that only have a user value -- we can change their type, but only
// when we set the user value.
userBranch.setBoolPref("TypeTest.user.bool", false);
userBranch.setIntPref("TypeTest.user.int", 24);
userBranch.setCharPref("TypeTest.user.char", "hi");
Assert.equal(userBranch.getBoolPref("TypeTest.user.bool"), false);
Assert.equal(userBranch.getIntPref("TypeTest.user.int"), 24);
Assert.equal(userBranch.getCharPref("TypeTest.user.char"), "hi");
// Prefs that have both a default and a user value -- we can't change their
// type.
defaultBranch.setBoolPref("TypeTest.both.bool", true);
userBranch.setBoolPref("TypeTest.both.bool", false);
defaultBranch.setIntPref("TypeTest.both.int", 25);
userBranch.setIntPref("TypeTest.both.int", 26);
defaultBranch.setCharPref("TypeTest.both.char", "yo");
userBranch.setCharPref("TypeTest.both.char", "ya");
Assert.equal(userBranch.getBoolPref("TypeTest.both.bool"), false);
Assert.equal(userBranch.getIntPref("TypeTest.both.int"), 26);
Assert.equal(userBranch.getCharPref("TypeTest.both.char"), "ya");
// We only have a default value, and we try to set a default value of a
// different type --> fails.
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.default.bool", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.default.bool", 5);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.default.int", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.default.int", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.default.char", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.default.char", 6);
}, Cr.NS_ERROR_UNEXPECTED);
// We only have a default value, and we try to set a user value of a
// different type --> fails.
do_check_throws(function () {
userBranch.setCharPref("TypeTest.default.bool", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setIntPref("TypeTest.default.bool", 5);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setCharPref("TypeTest.default.int", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setBoolPref("TypeTest.default.int", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setBoolPref("TypeTest.default.char", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setIntPref("TypeTest.default.char", 6);
}, Cr.NS_ERROR_UNEXPECTED);
// We only have a user value, and we try to set a default value of a
// different type --> fails.
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.user.bool", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.user.bool", 5);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.user.int", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.user.int", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.user.char", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.user.char", 6);
}, Cr.NS_ERROR_UNEXPECTED);
// We only have a user value, and we try to set a user value of a
// different type --> SUCCEEDS.
userBranch.setCharPref("TypeTest.user.bool", "boo");
Assert.equal(userBranch.getCharPref("TypeTest.user.bool"), "boo");
userBranch.setIntPref("TypeTest.user.bool", 5);
Assert.equal(userBranch.getIntPref("TypeTest.user.bool"), 5);
userBranch.setCharPref("TypeTest.user.int", "boo");
Assert.equal(userBranch.getCharPref("TypeTest.user.int"), "boo");
userBranch.setBoolPref("TypeTest.user.int", true);
Assert.equal(userBranch.getBoolPref("TypeTest.user.int"), true);
userBranch.setBoolPref("TypeTest.user.char", true);
Assert.equal(userBranch.getBoolPref("TypeTest.user.char"), true);
userBranch.setIntPref("TypeTest.user.char", 6);
Assert.equal(userBranch.getIntPref("TypeTest.user.char"), 6);
// We have both a default value and user value, and we try to set a default
// value of a different type --> fails.
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.both.bool", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.both.bool", 5);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setCharPref("TypeTest.both.int", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.both.int", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setBoolPref("TypeTest.both.char", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
defaultBranch.setIntPref("TypeTest.both.char", 6);
}, Cr.NS_ERROR_UNEXPECTED);
// We have both a default value and user value, and we try to set a user
// value of a different type --> fails.
do_check_throws(function () {
userBranch.setCharPref("TypeTest.both.bool", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setIntPref("TypeTest.both.bool", 5);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setCharPref("TypeTest.both.int", "boo");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setBoolPref("TypeTest.both.int", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setBoolPref("TypeTest.both.char", true);
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(function () {
userBranch.setIntPref("TypeTest.both.char", 6);
}, Cr.NS_ERROR_UNEXPECTED);
}