The Tor Browser / file revision

 // The various properties that we'll be testing

 var testdata = {

   missing: "fuel.fuel-test-missing",

   dummy: "fuel.fuel-test",

   string: "browser.active_color",

   integer: "permissions.default.image",

   boolean: "browser.underline_anchors"

 };

 function test() {

   // test getting nonexistent values

   var itemValue = Application.prefs.getValue(testdata.missing, "default");

   is(itemValue, "default", "Check 'Application.prefs.getValue' for nonexistent item");

   is(Application.prefs.get(testdata.missing), null, "Check 'Application.prefs.get' for nonexistent item");

   // test setting and getting a value

   Application.prefs.setValue(testdata.dummy, "dummy");

   itemValue = Application.prefs.getValue(testdata.dummy, "default");

   is(itemValue, "dummy", "Check 'Application.prefs.getValue' for existing item");

   // test for overwriting an existing value

   Application.prefs.setValue(testdata.dummy, "smarty");

   itemValue = Application.prefs.getValue(testdata.dummy, "default");

   is(itemValue, "smarty", "Check 'Application.prefs.getValue' for overwritten item");

   // test setting and getting a value

   Application.prefs.get(testdata.dummy).value = "dummy2";

   itemValue = Application.prefs.get(testdata.dummy).value;

   is(itemValue, "dummy2", "Check 'Application.prefs.get().value' for existing item");

   // test resetting a pref [since there is no default value, the pref should disappear]

   Application.prefs.get(testdata.dummy).reset();

   itemValue = Application.prefs.getValue(testdata.dummy, "default");

   is(itemValue, "default", "Check 'Application.prefs.getValue' for reset pref");

   // test to see if a non-existant property exists

   ok(!Application.prefs.has(testdata.dummy), "Check non-existant property for existence");

   // PREF: string browser.active_color == #EE0000

   // test to see if an existing string property exists

   ok(Application.prefs.has(testdata.string), "Check existing string property for existence");

   // test accessing a non-existant string property

   var val = Application.prefs.getValue(testdata.dummy, "default");

   is(val, "default", "Check non-existant string property for expected value");

   // test accessing an existing string property

   var val = Application.prefs.getValue(testdata.string, "default");

   is(val, "#EE0000", "Check existing string property for expected value");

   // test manipulating an existing string property

   Application.prefs.setValue(testdata.string, "#EF0000");

   var val = Application.prefs.getValue(testdata.string, "default");

   is(val, "#EF0000", "Set existing string property");

   // test getting the type of an existing string property

   var type = Application.prefs.get(testdata.string).type;

   is(type, "String", "Check 'Application.prefs.get().type' for string pref");

   // test resetting an existing string property

   Application.prefs.get(testdata.string).reset();

   var val = Application.prefs.getValue(testdata.string, "default");

   is(val, "#EE0000", "Reset existing string property");

   // PREF: integer permissions.default.image == 1

   // test to see if an existing integer property exists

   ok(Application.prefs.has(testdata.integer), "Check existing integer property for existence");

   // test accessing a non-existant integer property

   var val = Application.prefs.getValue(testdata.dummy, 0);

   is(val, 0, "Check non-existant integer property for expected value");

   // test accessing an existing integer property

   var val = Application.prefs.getValue(testdata.integer, 0);

   is(val, 1, "Check existing integer property for expected value");

   // test manipulating an existing integer property

   Application.prefs.setValue(testdata.integer, 0);

   var val = Application.prefs.getValue(testdata.integer, 1);

   is(val, 0, "Set existing integer property");

   // test getting the type of an existing integer property

   var type = Application.prefs.get(testdata.integer).type;

   is(type, "Number", "Check 'Application.prefs.get().type' for integer pref");

   // test resetting an existing integer property

   Application.prefs.get(testdata.integer).reset();

   var val = Application.prefs.getValue(testdata.integer, 0);

   is(val, 1, "Reset existing integer property");

   // PREF: boolean browser.underline_anchors == true

   // test to see if an existing boolean property exists

   ok(Application.prefs.has(testdata.boolean), "Check existing boolean property for existence");

   // test accessing a non-existant boolean property

   var val = Application.prefs.getValue(testdata.dummy, true);

   ok(val, "Check non-existant boolean property for expected value");

   // test accessing an existing boolean property

   var val = Application.prefs.getValue(testdata.boolean, false);

   ok(val, "Check existing boolean property for expected value");

   // test manipulating an existing boolean property

   Application.prefs.setValue(testdata.boolean, false);

   var val = Application.prefs.getValue(testdata.boolean, true);

   ok(!val, "Set existing boolean property");

   // test getting the type of an existing boolean property

   var type = Application.prefs.get(testdata.boolean).type;

   is(type, "Boolean", "Check 'Application.prefs.get().type' for boolean pref");

   // test resetting an existing boolean property

   Application.prefs.get(testdata.boolean).reset();

   var val = Application.prefs.getValue(testdata.boolean, false);

   ok(val, "Reset existing string property for expected value");

   // test getting all preferences

   var allPrefs = Application.prefs.all;

   ok(allPrefs.length >= 800, "Check 'Application.prefs.all' for the right number of preferences");

   ok(allPrefs[0].name.length > 0, "Check 'Application.prefs.all' for a valid name in the starting preference");

   // test the value of the preference root

   is(Application.prefs.root, "", "Check the Application preference root");

   // test for user changed preferences

   ok(Application.prefs.get("browser.shell.checkDefaultBrowser").modified, "A single preference is marked as modified.");

   ok(!Application.prefs.get(testdata.string).modified, "A single preference is marked as not modified.");

   // test for a locked preference

   var pref = Application.prefs.get(testdata.string);

   ok(!pref.locked, "A single preference should not be locked.");

   pref.locked = true;

   ok(pref.locked, "A single preference should be locked.");

   try {

     prev.value = "test value";

     ok(false, "A locked preference could be modified.");

   } catch(e){

     ok(true, "A locked preference should not be able to be modified.");

   }

   pref.locked = false;

   ok(!pref.locked, "A single preference is unlocked.");

   // check for change event when setting a value

   waitForExplicitFinish();

   Application.prefs.events.addListener("change", onPrefChange);

   Application.prefs.setValue("fuel.fuel-test", "change event");

 }

 function onPrefChange(evt) {

   is(evt.data, testdata.dummy, "Check 'Application.prefs.setValue' fired a change event");

   Application.prefs.events.removeListener("change", onPrefChange);

   // We are removing the old listener after adding the new listener so we can test that

   // removing a listener does not remove all listeners

   Application.prefs.get("fuel.fuel-test").events.addListener("change", onPrefChangeDummy);

   Application.prefs.get("fuel.fuel-test").events.addListener("change", onPrefChange2);

   Application.prefs.get("fuel.fuel-test").events.removeListener("change", onPrefChangeDummy);

   Application.prefs.setValue("fuel.fuel-test", "change event2");

 }

 function onPrefChange2(evt) {

   is(evt.data, testdata.dummy, "Check 'Application.prefs.setValue' fired a change event for a single preference");

   Application.prefs.events.removeListener("change", onPrefChange2);

   finish();

 }

 function onPrefChangeDummy(evt) {

   ok(false, "onPrefChangeDummy shouldn't be invoked!");

 }