/* 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/. */
// It is necessary to manually disable `xpc::IsInAutomation` since
// `resetPrefs` will flip the preference to re-enable `once`-synced
// preference change assertions, and also change the value of those
// preferences.
Services.prefs.setBoolPref(
"security.turn_off_all_security_so_that_viruses_can_take_over_this_computer",
false
);
const PREF_INVALID = 0;
const PREF_BOOL = 128;
const PREF_INT = 64;
const PREF_STRING = 32;
const MAX_PREF_LENGTH = 1 * 1024 * 1024;
function makeList(a) {
var o = {};
for (
var i = 0; i < a.length; i++) {
o[a[i]] =
"";
}
return o;
}
function run_test() {
const ps = Services.prefs;
//* *************************************************************************//
// Nullsafety
do_check_throws(
function () {
ps.getPrefType(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.getBoolPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.setBoolPref(
null,
false);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.getIntPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.setIntPref(
null, 0);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.getCharPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.setCharPref(
null,
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.getStringPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.setStringPref(
null,
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.clearUserPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.prefHasUserValue(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.lockPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.prefIsLocked(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.unlockPref(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.deleteBranch(
null);
}, Cr.NS_ERROR_INVALID_ARG);
do_check_throws(
function () {
ps.getChildList(
null);
}, Cr.NS_ERROR_INVALID_ARG);
//* *************************************************************************//
// Nonexisting user preferences
Assert.equal(ps.prefHasUserValue(
"UserPref.nonexistent.hasUserValue"),
false);
ps.clearUserPref(
"UserPref.nonexistent.clearUserPref");
// shouldn't throw
Assert.equal(
ps.getPrefType(
"UserPref.nonexistent.getPrefType"),
PREF_INVALID
);
Assert.equal(ps.root,
"");
// bool...
do_check_throws(
function () {
ps.getBoolPref(
"UserPref.nonexistent.getBoolPref");
}, Cr.NS_ERROR_UNEXPECTED);
ps.setBoolPref(
"UserPref.nonexistent.setBoolPref",
false);
Assert.equal(ps.getBoolPref(
"UserPref.nonexistent.setBoolPref"),
false);
// int...
do_check_throws(
function () {
ps.getIntPref(
"UserPref.nonexistent.getIntPref");
}, Cr.NS_ERROR_UNEXPECTED);
ps.setIntPref(
"UserPref.nonexistent.setIntPref", 5);
Assert.equal(ps.getIntPref(
"UserPref.nonexistent.setIntPref"), 5);
// char
do_check_throws(
function () {
ps.getCharPref(
"UserPref.nonexistent.getCharPref");
}, Cr.NS_ERROR_UNEXPECTED);
ps.setCharPref(
"UserPref.nonexistent.setCharPref",
"_test");
Assert.equal(ps.getCharPref(
"UserPref.nonexistent.setCharPref"),
"_test");
//* *************************************************************************//
// Existing user Prefs and data integrity test (round-trip match)
ps.setBoolPref(
"UserPref.existing.bool",
true);
ps.setIntPref(
"UserPref.existing.int", 23);
ps.setCharPref(
"UserPref.existing.char",
"hey");
// getPref should return the pref value
Assert.equal(ps.getBoolPref(
"UserPref.existing.bool"),
true);
Assert.equal(ps.getIntPref(
"UserPref.existing.int"), 23);
Assert.equal(ps.getCharPref(
"UserPref.existing.char"),
"hey");
// setPref should not complain and should change the value of the pref
ps.setBoolPref(
"UserPref.existing.bool",
false);
Assert.equal(ps.getBoolPref(
"UserPref.existing.bool"),
false);
ps.setIntPref(
"UserPref.existing.int", 24);
Assert.equal(ps.getIntPref(
"UserPref.existing.int"), 24);
ps.setCharPref(
"UserPref.existing.char",
"hej då!");
Assert.equal(ps.getCharPref(
"UserPref.existing.char"),
"hej då!");
// prefHasUserValue should return true now
Assert.ok(ps.prefHasUserValue(
"UserPref.existing.bool"));
Assert.ok(ps.prefHasUserValue(
"UserPref.existing.int"));
Assert.ok(ps.prefHasUserValue(
"UserPref.existing.char"));
// clearUserPref should remove the pref
ps.clearUserPref(
"UserPref.existing.bool");
Assert.ok(!ps.prefHasUserValue(
"UserPref.existing.bool"));
ps.clearUserPref(
"UserPref.existing.int");
Assert.ok(!ps.prefHasUserValue(
"UserPref.existing.int"));
ps.clearUserPref(
"UserPref.existing.char");
Assert.ok(!ps.prefHasUserValue(
"UserPref.existing.char"));
//* *************************************************************************//
// Large value test
let largeStr =
new Array(MAX_PREF_LENGTH + 1).join(
"x");
ps.setCharPref(
"UserPref.large.char", largeStr);
largeStr +=
"x";
do_check_throws(
function () {
ps.setCharPref(
"UserPref.large.char", largeStr);
}, Cr.NS_ERROR_ILLEGAL_VALUE);
//* *************************************************************************//
// getPrefType test
// bool...
ps.setBoolPref(
"UserPref.getPrefType.bool",
true);
Assert.equal(ps.getPrefType(
"UserPref.getPrefType.bool"), PREF_BOOL);
// int...
ps.setIntPref(
"UserPref.getPrefType.int", -234);
Assert.equal(ps.getPrefType(
"UserPref.getPrefType.int"), PREF_INT);
// char...
ps.setCharPref(
"UserPref.getPrefType.char",
"testing1..2");
Assert.equal(ps.getPrefType(
"UserPref.getPrefType.char"), PREF_STRING);
//* *************************************************************************//
// getBranch tests
Assert.equal(ps.root,
"");
// bool ...
ps.setBoolPref(
"UserPref.root.boolPref",
true);
let pb_1 = ps.getBranch(
"UserPref.root.");
Assert.equal(pb_1.getBoolPref(
"boolPref"),
true);
let pb_2 = ps.getBranch(
"UserPref.root.boolPref");
Assert.equal(pb_2.getBoolPref(
""),
true);
pb_2.setBoolPref(
".anotherPref",
false);
let pb_3 = ps.getBranch(
"UserPref.root.boolPre");
Assert.equal(pb_3.getBoolPref(
"f.anotherPref"),
false);
// int ...
ps.setIntPref(
"UserPref.root.intPref", 23);
pb_1 = ps.getBranch(
"UserPref.root.");
Assert.equal(pb_1.getIntPref(
"intPref"), 23);
pb_2 = ps.getBranch(
"UserPref.root.intPref");
Assert.equal(pb_2.getIntPref(
""), 23);
pb_2.setIntPref(
".anotherPref", 69);
pb_3 = ps.getBranch(
"UserPref.root.intPre");
Assert.equal(pb_3.getIntPref(
"f.anotherPref"), 69);
// char...
ps.setCharPref(
"UserPref.root.charPref",
"_char");
pb_1 = ps.getBranch(
"UserPref.root.");
Assert.equal(pb_1.getCharPref(
"charPref"),
"_char");
pb_2 = ps.getBranch(
"UserPref.root.charPref");
Assert.equal(pb_2.getCharPref(
""),
"_char");
pb_2.setCharPref(
".anotherPref",
"_another");
pb_3 = ps.getBranch(
"UserPref.root.charPre");
Assert.equal(pb_3.getCharPref(
"f.anotherPref"),
"_another");
//* *************************************************************************//
// getChildlist tests
// get an already set prefBranch
let pb1 = ps.getBranch(
"UserPref.root.");
let prefList = pb1.getChildList(
"");
Assert.equal(prefList.length, 6);
// check for specific prefs in the array : the order is not important
Assert.ok(
"boolPref" in makeList(prefList));
Assert.ok(
"intPref" in makeList(prefList));
Assert.ok(
"charPref" in makeList(prefList));
Assert.ok(
"boolPref.anotherPref" in makeList(prefList));
Assert.ok(
"intPref.anotherPref" in makeList(prefList));
Assert.ok(
"charPref.anotherPref" in makeList(prefList));
//* *************************************************************************//
// Default branch tests
// bool...
pb1 = ps.getDefaultBranch(
"");
pb1.setBoolPref(
"DefaultPref.bool",
true);
Assert.equal(pb1.getBoolPref(
"DefaultPref.bool"),
true);
Assert.ok(!pb1.prefHasUserValue(
"DefaultPref.bool"));
ps.setBoolPref(
"DefaultPref.bool",
false);
Assert.ok(pb1.prefHasUserValue(
"DefaultPref.bool"));
Assert.equal(ps.getBoolPref(
"DefaultPref.bool"),
false);
// int...
pb1 = ps.getDefaultBranch(
"");
pb1.setIntPref(
"DefaultPref.int", 100);
Assert.equal(pb1.getIntPref(
"DefaultPref.int"), 100);
Assert.ok(!pb1.prefHasUserValue(
"DefaultPref.int"));
ps.setIntPref(
"DefaultPref.int", 50);
Assert.ok(pb1.prefHasUserValue(
"DefaultPref.int"));
Assert.equal(ps.getIntPref(
"DefaultPref.int"), 50);
// char...
pb1 = ps.getDefaultBranch(
"");
pb1.setCharPref(
"DefaultPref.char",
"_default");
Assert.equal(pb1.getCharPref(
"DefaultPref.char"),
"_default");
Assert.ok(!pb1.prefHasUserValue(
"DefaultPref.char"));
ps.setCharPref(
"DefaultPref.char",
"_user");
Assert.ok(pb1.prefHasUserValue(
"DefaultPref.char"));
Assert.equal(ps.getCharPref(
"DefaultPref.char"),
"_user");
//* *************************************************************************//
// pref Locking/Unlocking tests
// locking and unlocking a nonexistent pref should throw
do_check_throws(
function () {
ps.lockPref(
"DefaultPref.nonexistent");
}, Cr.NS_ERROR_ILLEGAL_VALUE);
do_check_throws(
function () {
ps.unlockPref(
"DefaultPref.nonexistent");
}, Cr.NS_ERROR_ILLEGAL_VALUE);
// getting a locked pref branch should return the "default" value
Assert.ok(!ps.prefIsLocked(
"DefaultPref.char"));
ps.lockPref(
"DefaultPref.char");
Assert.equal(ps.getCharPref(
"DefaultPref.char"),
"_default");
Assert.ok(ps.prefIsLocked(
"DefaultPref.char"));
// getting an unlocked pref branch should return the "user" value
ps.unlockPref(
"DefaultPref.char");
Assert.equal(ps.getCharPref(
"DefaultPref.char"),
"_user");
Assert.ok(!ps.prefIsLocked(
"DefaultPref.char"));
// setting the "default" value to a user pref branch should
// make prefHasUserValue return false (documented behavior)
ps.setCharPref(
"DefaultPref.char",
"_default");
Assert.ok(!pb1.prefHasUserValue(
"DefaultPref.char"));
// unlocking and locking multiple times shouldn't throw
ps.unlockPref(
"DefaultPref.char");
ps.lockPref(
"DefaultPref.char");
ps.lockPref(
"DefaultPref.char");
//* *************************************************************************//
// deleteBranch tests
// TODO : Really, this should throw!, by documentation.
// do_check_throws(function() {
// ps.deleteBranch("UserPref.nonexistent.deleteBranch");}, Cr.NS_ERROR_UNEXPECTED);
ps.deleteBranch(
"DefaultPref");
let pb = ps.getBranch(
"DefaultPref");
pb1 = ps.getDefaultBranch(
"DefaultPref");
// getting prefs on deleted user branches should throw
do_check_throws(
function () {
pb.getBoolPref(
"DefaultPref.bool");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb.getIntPref(
"DefaultPref.int");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb.getCharPref(
"DefaultPref.char");
}, Cr.NS_ERROR_UNEXPECTED);
// getting prefs on deleted default branches should throw
do_check_throws(
function () {
pb1.getBoolPref(
"DefaultPref.bool");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb1.getIntPref(
"DefaultPref.int");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb1.getCharPref(
"DefaultPref.char");
}, Cr.NS_ERROR_UNEXPECTED);
//* *************************************************************************//
// savePrefFile & readPrefFile tests
// set some prefs
ps.setBoolPref(
"ReadPref.bool",
true);
ps.setIntPref(
"ReadPref.int", 230);
ps.setCharPref(
"ReadPref.char",
"hello");
// save those prefs in a file
let savePrefFile = do_get_cwd();
savePrefFile.append(
"data");
savePrefFile.append(
"savePref.js");
if (savePrefFile.exists()) {
savePrefFile.remove(
false);
}
savePrefFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o666);
ps.savePrefFile(savePrefFile);
ps.resetPrefs();
// load a preexisting pref file
let prefFile = do_get_file(
"data/testPref.js");
ps.readUserPrefsFromFile(prefFile);
// former prefs should have been replaced/lost
do_check_throws(
function () {
pb.getBoolPref(
"ReadPref.bool");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb.getIntPref(
"ReadPref.int");
}, Cr.NS_ERROR_UNEXPECTED);
do_check_throws(
function () {
pb.getCharPref(
"ReadPref.char");
}, Cr.NS_ERROR_UNEXPECTED);
// loaded prefs should read ok.
pb = ps.getBranch(
"testPref.");
Assert.equal(pb.getBoolPref(
"bool1"),
true);
Assert.equal(pb.getBoolPref(
"bool2"),
false);
Assert.equal(pb.getIntPref(
"int1"), 23);
Assert.equal(pb.getIntPref(
"int2"), -1236);
Assert.equal(pb.getCharPref(
"char1"),
"_testPref");
Assert.equal(pb.getCharPref(
"char2"),
"älskar");
// loading our former savePrefFile should allow us to read former prefs
// Hack alert: on Windows nsLocalFile caches the size of savePrefFile from
// the .create() call above as 0. We call .exists() to reset the cache.
savePrefFile.exists();
ps.readUserPrefsFromFile(savePrefFile);
// cleanup the file now we don't need it
savePrefFile.remove(
false);
Assert.equal(ps.getBoolPref(
"ReadPref.bool"),
true);
Assert.equal(ps.getIntPref(
"ReadPref.int"), 230);
Assert.equal(ps.getCharPref(
"ReadPref.char"),
"hello");
// ... and still be able to access "prior-to-readUserPrefs" preferences
Assert.equal(pb.getBoolPref(
"bool1"),
true);
Assert.equal(pb.getBoolPref(
"bool2"),
false);
Assert.equal(pb.getIntPref(
"int1"), 23);
//* *************************************************************************//
// preference Observers
class PrefObserver {
/**
* Creates and registers a pref observer.
*
* @param prefBranch The preference branch instance to observe.
* @param expectedName The pref name we expect to receive.
* @param expectedValue The int pref value we expect to receive.
*/
constructor(prefBranch, expectedName, expectedValue) {
this.pb = prefBranch;
this.name = expectedName;
this.value = expectedValue;
prefBranch.addObserver(expectedName,
this);
}
QueryInterface(aIID) {
if (aIID.equals(Ci.nsIObserver) || aIID.equals(Ci.nsISupports)) {
return this;
}
throw Components.Exception(
"", Cr.NS_NOINTERFACE);
}
observe(aSubject, aTopic, aState) {
Assert.equal(aTopic,
"nsPref:changed");
Assert.equal(aState,
this.name);
Assert.equal(
this.pb.getIntPref(aState),
this.value);
pb.removeObserver(aState,
this);
// notification received, we may go on...
do_test_finished();
}
}
// Indicate that we'll have 3 more async tests pending so that they all
// actually get a chance to run.
do_test_pending();
do_test_pending();
do_test_pending();
let observer =
new PrefObserver(ps,
"ReadPref.int", 76);
ps.setIntPref(
"ReadPref.int", 76);
// removed observer should not fire
ps.removeObserver(
"ReadPref.int", observer);
ps.setIntPref(
"ReadPref.int", 32);
// let's test observers once more with a non-root prefbranch
pb = ps.getBranch(
"ReadPref.");
observer =
new PrefObserver(pb,
"int", 76);
ps.setIntPref(
"ReadPref.int", 76);
// Let's try that again with different pref.
observer =
new PrefObserver(pb,
"another_int", 76);
ps.setIntPref(
"ReadPref.another_int", 76);
}