toolkit/modules/tests/xpcshell/test_Preferences.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/modules/tests/xpcshell/test_Preferences.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,360 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 + * http://creativecommons.org/publicdomain/zero/1.0/ */
     1.6 +
     1.7 +const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu, manager: Cm} = Components;
     1.8 +
     1.9 +Cu.import("resource://gre/modules/Preferences.jsm");
    1.10 +
    1.11 +function run_test() {
    1.12 +  run_next_test();
    1.13 +}
    1.14 +
    1.15 +add_test(function test_set_get_pref() {
    1.16 +  Preferences.set("test_set_get_pref.integer", 1);
    1.17 +  do_check_eq(Preferences.get("test_set_get_pref.integer"), 1);
    1.18 +
    1.19 +  Preferences.set("test_set_get_pref.string", "foo");
    1.20 +  do_check_eq(Preferences.get("test_set_get_pref.string"), "foo");
    1.21 +
    1.22 +  Preferences.set("test_set_get_pref.boolean", true);
    1.23 +  do_check_eq(Preferences.get("test_set_get_pref.boolean"), true);
    1.24 +
    1.25 +  // Clean up.
    1.26 +  Preferences.resetBranch("test_set_get_pref.");
    1.27 +
    1.28 +  run_next_test();
    1.29 +});
    1.30 +
    1.31 +add_test(function test_set_get_branch_pref() {
    1.32 +  let prefs = new Preferences("test_set_get_branch_pref.");
    1.33 +
    1.34 +  prefs.set("something", 1);
    1.35 +  do_check_eq(prefs.get("something"), 1);
    1.36 +  do_check_false(Preferences.has("something"));
    1.37 +
    1.38 +  // Clean up.
    1.39 +  prefs.reset("something");
    1.40 +
    1.41 +  run_next_test();
    1.42 +});
    1.43 +
    1.44 +add_test(function test_set_get_multiple_prefs() {
    1.45 +  Preferences.set({ "test_set_get_multiple_prefs.integer":  1,
    1.46 +                    "test_set_get_multiple_prefs.string":   "foo",
    1.47 +                    "test_set_get_multiple_prefs.boolean":  true });
    1.48 +
    1.49 +  let [i, s, b] = Preferences.get(["test_set_get_multiple_prefs.integer",
    1.50 +                                   "test_set_get_multiple_prefs.string",
    1.51 +                                   "test_set_get_multiple_prefs.boolean"]);
    1.52 +
    1.53 +  do_check_eq(i, 1);
    1.54 +  do_check_eq(s, "foo");
    1.55 +  do_check_eq(b, true);
    1.56 +
    1.57 +  // Clean up.
    1.58 +  Preferences.resetBranch("test_set_get_multiple_prefs.");
    1.59 +
    1.60 +  run_next_test();
    1.61 +});
    1.62 +
    1.63 +add_test(function test_get_multiple_prefs_with_default_value() {
    1.64 +  Preferences.set({ "test_get_multiple_prefs_with_default_value.a":  1,
    1.65 +                    "test_get_multiple_prefs_with_default_value.b":  2 });
    1.66 +
    1.67 +  let [a, b, c] = Preferences.get(["test_get_multiple_prefs_with_default_value.a",
    1.68 +                                   "test_get_multiple_prefs_with_default_value.b",
    1.69 +                                   "test_get_multiple_prefs_with_default_value.c"],
    1.70 +                                  0);
    1.71 +
    1.72 +  do_check_eq(a, 1);
    1.73 +  do_check_eq(b, 2);
    1.74 +  do_check_eq(c, 0);
    1.75 +
    1.76 +  // Clean up.
    1.77 +  Preferences.resetBranch("test_get_multiple_prefs_with_default_value.");
    1.78 +
    1.79 +  run_next_test();
    1.80 +});
    1.81 +
    1.82 +add_test(function test_set_get_unicode_pref() {
    1.83 +  Preferences.set("test_set_get_unicode_pref", String.fromCharCode(960));
    1.84 +  do_check_eq(Preferences.get("test_set_get_unicode_pref"), String.fromCharCode(960));
    1.85 +
    1.86 +  // Clean up.
    1.87 +  Preferences.reset("test_set_get_unicode_pref");
    1.88 +
    1.89 +  run_next_test();
    1.90 +});
    1.91 +
    1.92 +add_test(function test_set_null_pref() {
    1.93 +  try {
    1.94 +    Preferences.set("test_set_null_pref", null);
    1.95 +    // We expect this to throw, so the test is designed to fail if it doesn't.
    1.96 +    do_check_true(false);
    1.97 +  }
    1.98 +  catch(ex) {}
    1.99 +
   1.100 +  run_next_test();
   1.101 +});
   1.102 +
   1.103 +add_test(function test_set_undefined_pref() {
   1.104 +  try {
   1.105 +    Preferences.set("test_set_undefined_pref");
   1.106 +    // We expect this to throw, so the test is designed to fail if it doesn't.
   1.107 +    do_check_true(false);
   1.108 +  }
   1.109 +  catch(ex) {}
   1.110 +
   1.111 +  run_next_test();
   1.112 +});
   1.113 +
   1.114 +add_test(function test_set_unsupported_pref() {
   1.115 +  try {
   1.116 +    Preferences.set("test_set_unsupported_pref", new Array());
   1.117 +    // We expect this to throw, so the test is designed to fail if it doesn't.
   1.118 +    do_check_true(false);
   1.119 +  }
   1.120 +  catch(ex) {}
   1.121 +
   1.122 +  run_next_test();
   1.123 +});
   1.124 +
   1.125 +// Make sure that we can get a string pref that we didn't set ourselves
   1.126 +// (i.e. that the way we get a string pref using getComplexValue doesn't
   1.127 +// hork us getting a string pref that wasn't set using setComplexValue).
   1.128 +add_test(function test_get_string_pref() {
   1.129 +  let svc = Cc["@mozilla.org/preferences-service;1"].
   1.130 +            getService(Ci.nsIPrefService).
   1.131 +            getBranch("");
   1.132 +  svc.setCharPref("test_get_string_pref", "a normal string");
   1.133 +  do_check_eq(Preferences.get("test_get_string_pref"), "a normal string");
   1.134 +
   1.135 +  // Clean up.
   1.136 +  Preferences.reset("test_get_string_pref");
   1.137 +
   1.138 +  run_next_test();
   1.139 +});
   1.140 +
   1.141 +add_test(function test_set_get_number_pref() {
   1.142 +  Preferences.set("test_set_get_number_pref", 5);
   1.143 +  do_check_eq(Preferences.get("test_set_get_number_pref"), 5);
   1.144 +
   1.145 +  // Non-integer values get converted to integers.
   1.146 +  Preferences.set("test_set_get_number_pref", 3.14159);
   1.147 +  do_check_eq(Preferences.get("test_set_get_number_pref"), 3);
   1.148 +
   1.149 +  // Values outside the range -(2^31-1) to 2^31-1 overflow.
   1.150 +  try {
   1.151 +    Preferences.set("test_set_get_number_pref", Math.pow(2, 31));
   1.152 +    // We expect this to throw, so the test is designed to fail if it doesn't.
   1.153 +    do_check_true(false);
   1.154 +  }
   1.155 +  catch(ex) {}
   1.156 +
   1.157 +  // Clean up.
   1.158 +  Preferences.reset("test_set_get_number_pref");
   1.159 +
   1.160 +  run_next_test();
   1.161 +});
   1.162 +
   1.163 +add_test(function test_reset_pref() {
   1.164 +  Preferences.set("test_reset_pref", 1);
   1.165 +  Preferences.reset("test_reset_pref");
   1.166 +  do_check_eq(Preferences.get("test_reset_pref"), undefined);
   1.167 +
   1.168 +  run_next_test();
   1.169 +});
   1.170 +
   1.171 +add_test(function test_reset_pref_branch() {
   1.172 +  Preferences.set("test_reset_pref_branch.foo", 1);
   1.173 +  Preferences.set("test_reset_pref_branch.bar", 2);
   1.174 +  Preferences.resetBranch("test_reset_pref_branch.");
   1.175 +  do_check_eq(Preferences.get("test_reset_pref_branch.foo"), undefined);
   1.176 +  do_check_eq(Preferences.get("test_reset_pref_branch.bar"), undefined);
   1.177 +
   1.178 +  run_next_test();
   1.179 +});
   1.180 +
   1.181 +// Make sure the module doesn't throw an exception when asked to reset
   1.182 +// a nonexistent pref.
   1.183 +add_test(function test_reset_nonexistent_pref() {
   1.184 +  Preferences.reset("test_reset_nonexistent_pref");
   1.185 +
   1.186 +  run_next_test();
   1.187 +});
   1.188 +
   1.189 +// Make sure the module doesn't throw an exception when asked to reset
   1.190 +// a nonexistent pref branch.
   1.191 +add_test(function test_reset_nonexistent_pref_branch() {
   1.192 +  Preferences.resetBranch("test_reset_nonexistent_pref_branch.");
   1.193 +
   1.194 +  run_next_test();
   1.195 +});
   1.196 +
   1.197 +add_test(function test_observe_prefs_function() {
   1.198 +  let observed = false;
   1.199 +  let observer = function() { observed = !observed };
   1.200 +
   1.201 +  Preferences.observe("test_observe_prefs_function", observer);
   1.202 +  Preferences.set("test_observe_prefs_function", "something");
   1.203 +  do_check_true(observed);
   1.204 +
   1.205 +  Preferences.ignore("test_observe_prefs_function", observer);
   1.206 +  Preferences.set("test_observe_prefs_function", "something else");
   1.207 +  do_check_true(observed);
   1.208 +
   1.209 +  // Clean up.
   1.210 +  Preferences.reset("test_observe_prefs_function");
   1.211 +
   1.212 +  run_next_test();
   1.213 +});
   1.214 +
   1.215 +add_test(function test_observe_prefs_object() {
   1.216 +  let observer = {
   1.217 +    observed: false,
   1.218 +    observe: function() {
   1.219 +      this.observed = !this.observed;
   1.220 +    }
   1.221 +  };
   1.222 +
   1.223 +  Preferences.observe("test_observe_prefs_object", observer.observe, observer);
   1.224 +  Preferences.set("test_observe_prefs_object", "something");
   1.225 +  do_check_true(observer.observed);
   1.226 +
   1.227 +  Preferences.ignore("test_observe_prefs_object", observer.observe, observer);
   1.228 +  Preferences.set("test_observe_prefs_object", "something else");
   1.229 +  do_check_true(observer.observed);
   1.230 +
   1.231 +  // Clean up.
   1.232 +  Preferences.reset("test_observe_prefs_object");
   1.233 +
   1.234 +  run_next_test();
   1.235 +});
   1.236 +
   1.237 +add_test(function test_observe_prefs_nsIObserver() {
   1.238 +  let observer = {
   1.239 +    observed: false,
   1.240 +    observe: function(subject, topic, data) {
   1.241 +      this.observed = !this.observed;
   1.242 +      do_check_true(subject instanceof Ci.nsIPrefBranch);
   1.243 +      do_check_eq(topic, "nsPref:changed");
   1.244 +      do_check_eq(data, "test_observe_prefs_nsIObserver");
   1.245 +    }
   1.246 +  };
   1.247 +
   1.248 +  Preferences.observe("test_observe_prefs_nsIObserver", observer);
   1.249 +  Preferences.set("test_observe_prefs_nsIObserver", "something");
   1.250 +  do_check_true(observer.observed);
   1.251 +
   1.252 +  Preferences.ignore("test_observe_prefs_nsIObserver", observer);
   1.253 +  Preferences.set("test_observe_prefs_nsIObserver", "something else");
   1.254 +  do_check_true(observer.observed);
   1.255 +
   1.256 +  // Clean up.
   1.257 +  Preferences.reset("test_observe_prefs_nsIObserver");
   1.258 +
   1.259 +  run_next_test();
   1.260 +});
   1.261 +
   1.262 +/*
   1.263 +add_test(function test_observe_exact_pref() {
   1.264 +  let observed = false;
   1.265 +  let observer = function() { observed = !observed };
   1.266 +
   1.267 +  Preferences.observe("test_observe_exact_pref", observer);
   1.268 +  Preferences.set("test_observe_exact_pref.sub-pref", "something");
   1.269 +  do_check_false(observed);
   1.270 +
   1.271 +  // Clean up.
   1.272 +  Preferences.ignore("test_observe_exact_pref", observer);
   1.273 +  Preferences.reset("test_observe_exact_pref.sub-pref");
   1.274 +
   1.275 +  run_next_test();
   1.276 +});
   1.277 +*/
   1.278 +
   1.279 +add_test(function test_observe_value_of_set_pref() {
   1.280 +  let observer = function(newVal) { do_check_eq(newVal, "something") };
   1.281 +
   1.282 +  Preferences.observe("test_observe_value_of_set_pref", observer);
   1.283 +  Preferences.set("test_observe_value_of_set_pref", "something");
   1.284 +
   1.285 +  // Clean up.
   1.286 +  Preferences.ignore("test_observe_value_of_set_pref", observer);
   1.287 +  Preferences.reset("test_observe_value_of_set_pref");
   1.288 +
   1.289 +  run_next_test();
   1.290 +});
   1.291 +
   1.292 +add_test(function test_observe_value_of_reset_pref() {
   1.293 +  let observer = function(newVal) { do_check_true(typeof newVal == "undefined") };
   1.294 +
   1.295 +  Preferences.set("test_observe_value_of_reset_pref", "something");
   1.296 +  Preferences.observe("test_observe_value_of_reset_pref", observer);
   1.297 +  Preferences.reset("test_observe_value_of_reset_pref");
   1.298 +
   1.299 +  // Clean up.
   1.300 +  Preferences.ignore("test_observe_value_of_reset_pref", observer);
   1.301 +
   1.302 +  run_next_test();
   1.303 +});
   1.304 +
   1.305 +add_test(function test_has_pref() {
   1.306 +  do_check_false(Preferences.has("test_has_pref"));
   1.307 +  Preferences.set("test_has_pref", "foo");
   1.308 +  do_check_true(Preferences.has("test_has_pref"));
   1.309 +
   1.310 +  Preferences.set("test_has_pref.foo", "foo");
   1.311 +  Preferences.set("test_has_pref.bar", "bar");
   1.312 +  let [hasFoo, hasBar, hasBaz] = Preferences.has(["test_has_pref.foo",
   1.313 +                                                  "test_has_pref.bar",
   1.314 +                                                  "test_has_pref.baz"]);
   1.315 +  do_check_true(hasFoo);
   1.316 +  do_check_true(hasBar);
   1.317 +  do_check_false(hasBaz);
   1.318 +
   1.319 +  // Clean up.
   1.320 +  Preferences.resetBranch("test_has_pref");
   1.321 +
   1.322 +  run_next_test();
   1.323 +});
   1.324 +
   1.325 +add_test(function test_isSet_pref() {
   1.326 +  // Use a pref that we know has a default value but no user-set value.
   1.327 +  // This feels dangerous; perhaps we should create some other default prefs
   1.328 +  // that we can use for testing.
   1.329 +  do_check_false(Preferences.isSet("toolkit.defaultChromeURI"));
   1.330 +  Preferences.set("toolkit.defaultChromeURI", "foo");
   1.331 +  do_check_true(Preferences.isSet("toolkit.defaultChromeURI"));
   1.332 +
   1.333 +  // Clean up.
   1.334 +  Preferences.reset("toolkit.defaultChromeURI");
   1.335 +
   1.336 +  run_next_test();
   1.337 +});
   1.338 +
   1.339 +/*
   1.340 +add_test(function test_lock_prefs() {
   1.341 +  // Use a pref that we know has a default value.
   1.342 +  // This feels dangerous; perhaps we should create some other default prefs
   1.343 +  // that we can use for testing.
   1.344 +  do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
   1.345 +  Preferences.lock("toolkit.defaultChromeURI");
   1.346 +  do_check_true(Preferences.locked("toolkit.defaultChromeURI"));
   1.347 +  Preferences.unlock("toolkit.defaultChromeURI");
   1.348 +  do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
   1.349 +
   1.350 +  let val = Preferences.get("toolkit.defaultChromeURI");
   1.351 +  Preferences.set("toolkit.defaultChromeURI", "test_lock_prefs");
   1.352 +  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
   1.353 +  Preferences.lock("toolkit.defaultChromeURI");
   1.354 +  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), val);
   1.355 +  Preferences.unlock("toolkit.defaultChromeURI");
   1.356 +  do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
   1.357 +
   1.358 +  // Clean up.
   1.359 +  Preferences.reset("toolkit.defaultChromeURI");
   1.360 +
   1.361 +  run_next_test();
   1.362 +});
   1.363 +*/

mercurial