1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/base/tests/testSharedPreferences.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,211 @@
1.4 +// -*- Mode: js2; tab-width: 2; indent-tabs-mode: nil; js2-basic-offset: 2; js2-skip-preprocessor-directives: t; -*-
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.7 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +Components.utils.import("resource://gre/modules/SharedPreferences.jsm");
1.10 +Components.utils.import("resource://gre/modules/Promise.jsm");
1.11 +
1.12 +let _observerId = 0;
1.13 +
1.14 +function makeObserver() {
1.15 + let deferred = Promise.defer();
1.16 +
1.17 + let ret = {
1.18 + id: _observerId++,
1.19 + count: 0,
1.20 + promise: deferred.promise,
1.21 + observe: function (subject, topic, data) {
1.22 + ret.count += 1;
1.23 + let msg = { subject: subject,
1.24 + topic: topic,
1.25 + data: data };
1.26 + deferred.resolve(msg);
1.27 + },
1.28 + };
1.29 +
1.30 + return ret;
1.31 +};
1.32 +
1.33 +add_task(function test_get_set() {
1.34 + let branch = new SharedPreferences("test");
1.35 +
1.36 + branch.setBoolPref("boolKey", true);
1.37 + branch.setCharPref("charKey", "string value");
1.38 + branch.setIntPref("intKey", 1000);
1.39 +
1.40 + do_check_eq(branch.getBoolPref("boolKey"), true);
1.41 + do_check_eq(branch.getCharPref("charKey"), "string value");
1.42 + do_check_eq(branch.getIntPref("intKey"), 1000);
1.43 +
1.44 + branch.setBoolPref("boolKey", false);
1.45 + branch.setCharPref("charKey", "different string value");
1.46 + branch.setIntPref("intKey", -2000);
1.47 +
1.48 + do_check_eq(branch.getBoolPref("boolKey"), false);
1.49 + do_check_eq(branch.getCharPref("charKey"), "different string value");
1.50 + do_check_eq(branch.getIntPref("intKey"), -2000);
1.51 +
1.52 + do_check_eq(typeof(branch.getBoolPref("boolKey")), "boolean");
1.53 + do_check_eq(typeof(branch.getCharPref("charKey")), "string");
1.54 + do_check_eq(typeof(branch.getIntPref("intKey")), "number");
1.55 +});
1.56 +
1.57 +add_task(function test_default() {
1.58 + let branch = new SharedPreferences();
1.59 +
1.60 + branch.setBoolPref("boolKey", true);
1.61 + branch.setCharPref("charKey", "string value");
1.62 + branch.setIntPref("intKey", 1000);
1.63 +
1.64 + do_check_eq(branch.getBoolPref("boolKey"), true);
1.65 + do_check_eq(branch.getCharPref("charKey"), "string value");
1.66 + do_check_eq(branch.getIntPref("intKey"), 1000);
1.67 +
1.68 + branch.setBoolPref("boolKey", false);
1.69 + branch.setCharPref("charKey", "different string value");
1.70 + branch.setIntPref("intKey", -2000);
1.71 +
1.72 + do_check_eq(branch.getBoolPref("boolKey"), false);
1.73 + do_check_eq(branch.getCharPref("charKey"), "different string value");
1.74 + do_check_eq(branch.getIntPref("intKey"), -2000);
1.75 +
1.76 + do_check_eq(typeof(branch.getBoolPref("boolKey")), "boolean");
1.77 + do_check_eq(typeof(branch.getCharPref("charKey")), "string");
1.78 + do_check_eq(typeof(branch.getIntPref("intKey")), "number");
1.79 +});
1.80 +
1.81 +add_task(function test_multiple_branches() {
1.82 + let branch1 = new SharedPreferences("test1");
1.83 + let branch2 = new SharedPreferences("test2");
1.84 +
1.85 + branch1.setBoolPref("boolKey", true);
1.86 + branch2.setBoolPref("boolKey", false);
1.87 +
1.88 + do_check_eq(branch1.getBoolPref("boolKey"), true);
1.89 + do_check_eq(branch2.getBoolPref("boolKey"), false);
1.90 +
1.91 + branch1.setCharPref("charKey", "a value");
1.92 + branch2.setCharPref("charKey", "a different value");
1.93 +
1.94 + do_check_eq(branch1.getCharPref("charKey"), "a value");
1.95 + do_check_eq(branch2.getCharPref("charKey"), "a different value");
1.96 +});
1.97 +
1.98 +add_task(function test_add_remove_observer() {
1.99 + let branch = new SharedPreferences("test");
1.100 +
1.101 + branch.setBoolPref("boolKey", false);
1.102 + do_check_eq(branch.getBoolPref("boolKey"), false);
1.103 +
1.104 + let obs1 = makeObserver();
1.105 + branch.addObserver("boolKey", obs1);
1.106 +
1.107 + try {
1.108 + branch.setBoolPref("boolKey", true);
1.109 + do_check_eq(branch.getBoolPref("boolKey"), true);
1.110 +
1.111 + let value1 = yield obs1.promise;
1.112 + do_check_eq(obs1.count, 1);
1.113 +
1.114 + do_check_eq(value1.subject, obs1);
1.115 + do_check_eq(value1.topic, "boolKey");
1.116 + do_check_eq(typeof(value1.data), "boolean");
1.117 + do_check_eq(value1.data, true);
1.118 + } finally {
1.119 + branch.removeObserver("boolKey", obs1);
1.120 + }
1.121 +
1.122 + // Make sure the original observer is really gone, or as close as
1.123 + // we: install a second observer, wait for it to be notified, and
1.124 + // then verify the original observer was *not* notified. This
1.125 + // depends, of course, on the order that observers are notified, but
1.126 + // is better than nothing.
1.127 +
1.128 + let obs2 = makeObserver();
1.129 + branch.addObserver("boolKey", obs2);
1.130 +
1.131 + try {
1.132 + branch.setBoolPref("boolKey", false);
1.133 + do_check_eq(branch.getBoolPref("boolKey"), false);
1.134 +
1.135 + let value2 = yield obs2.promise;
1.136 + do_check_eq(obs2.count, 1);
1.137 +
1.138 + do_check_eq(value2.subject, obs2);
1.139 + do_check_eq(value2.topic, "boolKey");
1.140 + do_check_eq(typeof(value2.data), "boolean");
1.141 + do_check_eq(value2.data, false);
1.142 +
1.143 + // Original observer count is preserved.
1.144 + do_check_eq(obs1.count, 1);
1.145 + } finally {
1.146 + branch.removeObserver("boolKey", obs2);
1.147 + }
1.148 +});
1.149 +
1.150 +add_task(function test_observer_ignores() {
1.151 + let branch = new SharedPreferences("test");
1.152 +
1.153 + branch.setCharPref("charKey", "first value");
1.154 + do_check_eq(branch.getCharPref("charKey"), "first value");
1.155 +
1.156 + let obs = makeObserver();
1.157 + branch.addObserver("charKey", obs);
1.158 +
1.159 + try {
1.160 + // These should all be ignored.
1.161 + branch.setBoolPref("boolKey", true);
1.162 + branch.setBoolPref("boolKey", false);
1.163 + branch.setIntPref("intKey", -3000);
1.164 + branch.setIntPref("intKey", 4000);
1.165 +
1.166 + branch.setCharPref("charKey", "a value");
1.167 + let value = yield obs.promise;
1.168 +
1.169 + // Observer should have been notified exactly once.
1.170 + do_check_eq(obs.count, 1);
1.171 +
1.172 + do_check_eq(value.subject, obs);
1.173 + do_check_eq(value.topic, "charKey");
1.174 + do_check_eq(typeof(value.data), "string");
1.175 + do_check_eq(value.data, "a value");
1.176 + } finally {
1.177 + branch.removeObserver("charKey", obs);
1.178 + }
1.179 +});
1.180 +
1.181 +add_task(function test_observer_ignores_branches() {
1.182 + let branch = new SharedPreferences("test");
1.183 +
1.184 + branch.setCharPref("charKey", "first value");
1.185 + do_check_eq(branch.getCharPref("charKey"), "first value");
1.186 +
1.187 + let obs = makeObserver();
1.188 + branch.addObserver("charKey", obs);
1.189 +
1.190 + try {
1.191 + // These should all be ignored.
1.192 + let branch2 = new SharedPreferences("test2");
1.193 + branch2.setCharPref("charKey", "a wrong value");
1.194 + let branch3 = new SharedPreferences("test.2");
1.195 + branch3.setCharPref("charKey", "a different wrong value");
1.196 +
1.197 + // This should not be ignored.
1.198 + branch.setCharPref("charKey", "a value");
1.199 +
1.200 + let value = yield obs.promise;
1.201 +
1.202 + // Observer should have been notified exactly once.
1.203 + do_check_eq(obs.count, 1);
1.204 +
1.205 + do_check_eq(value.subject, obs);
1.206 + do_check_eq(value.topic, "charKey");
1.207 + do_check_eq(typeof(value.data), "string");
1.208 + do_check_eq(value.data, "a value");
1.209 + } finally {
1.210 + branch.removeObserver("charKey", obs);
1.211 + }
1.212 +});
1.213 +
1.214 +run_next_test();
