summaryrefslogtreecommitdiffstats
path: root/modules/libpref/test/unit/test_libPrefs.js
diff options
context:
space:
mode:
Diffstat (limited to 'modules/libpref/test/unit/test_libPrefs.js')
-rw-r--r--modules/libpref/test/unit/test_libPrefs.js392
1 files changed, 392 insertions, 0 deletions
diff --git a/modules/libpref/test/unit/test_libPrefs.js b/modules/libpref/test/unit/test_libPrefs.js
new file mode 100644
index 000000000..be9c629e0
--- /dev/null
+++ b/modules/libpref/test/unit/test_libPrefs.js
@@ -0,0 +1,392 @@
+/* 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/. */
+
+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() {
+
+ var ps = Cc["@mozilla.org/preferences-service;1"].
+ getService(Ci.nsIPrefService);
+
+ var pb2= Cc["@mozilla.org/preferences-service;1"].
+ getService(Ci.nsIPrefBranch);
+
+ var pb = Cc["@mozilla.org/preferences-service;1"].
+ getService(Ci.nsIPrefBranch);
+
+ //**************************************************************************//
+ // Nullsafety
+
+ do_check_throws(function() {
+ pb.getPrefType(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.getBoolPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.setBoolPref(null, false); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.getIntPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.setIntPref(null, 0); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.getCharPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.setCharPref(null, null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.getComplexValue(null, Components.interfaces.nsISupportsString); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.setComplexValue(null, Components.interfaces.nsISupportsString, pb); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.clearUserPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.prefHasUserValue(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.lockPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.prefIsLocked(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.unlockPref(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.deleteBranch(null); }, Cr.NS_ERROR_INVALID_ARG);
+ do_check_throws(function() {
+ pb.getChildList(null); }, Cr.NS_ERROR_INVALID_ARG);
+
+ //**************************************************************************//
+ // Nonexisting user preferences
+
+ do_check_eq(pb.prefHasUserValue("UserPref.nonexistent.hasUserValue"), false);
+ pb.clearUserPref("UserPref.nonexistent.clearUserPref"); // shouldn't throw
+ do_check_eq(pb.getPrefType("UserPref.nonexistent.getPrefType"), PREF_INVALID);
+ do_check_eq(pb.root, "");
+
+ // bool...
+ do_check_throws(function() {
+ pb.getBoolPref("UserPref.nonexistent.getBoolPref");}, Cr.NS_ERROR_UNEXPECTED);
+ pb.setBoolPref("UserPref.nonexistent.setBoolPref", false);
+ do_check_eq(pb.getBoolPref("UserPref.nonexistent.setBoolPref"), false);
+
+ // int...
+ do_check_throws(function() {
+ pb.getIntPref("UserPref.nonexistent.getIntPref");}, Cr.NS_ERROR_UNEXPECTED);
+ pb.setIntPref("UserPref.nonexistent.setIntPref", 5);
+ do_check_eq(pb.getIntPref("UserPref.nonexistent.setIntPref"), 5);
+
+ // char
+ do_check_throws(function() {
+ pb.getCharPref("UserPref.nonexistent.getCharPref");}, Cr.NS_ERROR_UNEXPECTED);
+ pb.setCharPref("UserPref.nonexistent.setCharPref", "_test");
+ do_check_eq(pb.getCharPref("UserPref.nonexistent.setCharPref"), "_test");
+
+ //**************************************************************************//
+ // Existing user Prefs and data integrity test (round-trip match)
+
+ pb.setBoolPref("UserPref.existing.bool", true);
+ pb.setIntPref("UserPref.existing.int", 23);
+ pb.setCharPref("UserPref.existing.char", "hey");
+
+ // getPref should return the pref value
+ do_check_eq(pb.getBoolPref("UserPref.existing.bool"), true);
+ do_check_eq(pb.getIntPref("UserPref.existing.int"), 23);
+ do_check_eq(pb.getCharPref("UserPref.existing.char"), "hey");
+
+ // setPref should not complain and should change the value of the pref
+ pb.setBoolPref("UserPref.existing.bool", false);
+ do_check_eq(pb.getBoolPref("UserPref.existing.bool"), false);
+ pb.setIntPref("UserPref.existing.int", 24);
+ do_check_eq(pb.getIntPref("UserPref.existing.int"), 24);
+ pb.setCharPref("UserPref.existing.char", "hej då!");
+ do_check_eq(pb.getCharPref("UserPref.existing.char"), "hej då!");
+
+ // prefHasUserValue should return true now
+ do_check_true(pb.prefHasUserValue("UserPref.existing.bool"));
+ do_check_true(pb.prefHasUserValue("UserPref.existing.int"));
+ do_check_true(pb.prefHasUserValue("UserPref.existing.char"));
+
+ // clearUserPref should remove the pref
+ pb.clearUserPref("UserPref.existing.bool");
+ do_check_false(pb.prefHasUserValue("UserPref.existing.bool"));
+ pb.clearUserPref("UserPref.existing.int");
+ do_check_false(pb.prefHasUserValue("UserPref.existing.int"));
+ pb.clearUserPref("UserPref.existing.char");
+ do_check_false(pb.prefHasUserValue("UserPref.existing.char"));
+
+ //**************************************************************************//
+ // Large value test
+
+ let largeStr = new Array(MAX_PREF_LENGTH + 1).join('x');
+ pb.setCharPref("UserPref.large.char", largeStr);
+ largeStr += 'x';
+ do_check_throws(function() {
+ pb.setCharPref("UserPref.large.char", largeStr); }, Cr.NS_ERROR_ILLEGAL_VALUE);
+
+ //**************************************************************************//
+ // getPrefType test
+
+ // bool...
+ pb.setBoolPref("UserPref.getPrefType.bool", true);
+ do_check_eq(pb.getPrefType("UserPref.getPrefType.bool"), PREF_BOOL);
+
+ // int...
+ pb.setIntPref("UserPref.getPrefType.int", -234);
+ do_check_eq(pb.getPrefType("UserPref.getPrefType.int"), PREF_INT);
+
+ // char...
+ pb.setCharPref("UserPref.getPrefType.char", "testing1..2");
+ do_check_eq(pb.getPrefType("UserPref.getPrefType.char"), PREF_STRING);
+
+ //**************************************************************************//
+ // getBranch tests
+
+ do_check_eq(ps.root, "");
+
+ // bool ...
+ pb.setBoolPref("UserPref.root.boolPref", true);
+ let pb_1 = ps.getBranch("UserPref.root.");
+ do_check_eq(pb_1.getBoolPref("boolPref"), true);
+ let pb_2 = ps.getBranch("UserPref.root.boolPref");
+ do_check_eq(pb_2.getBoolPref(""), true);
+ pb_2.setBoolPref(".anotherPref", false);
+ let pb_3 = ps.getBranch("UserPref.root.boolPre");
+ do_check_eq(pb_3.getBoolPref("f.anotherPref"), false);
+
+ // int ...
+ pb.setIntPref("UserPref.root.intPref", 23);
+ pb_1 = ps.getBranch("UserPref.root.");
+ do_check_eq(pb_1.getIntPref("intPref"), 23);
+ pb_2 = ps.getBranch("UserPref.root.intPref");
+ do_check_eq(pb_2.getIntPref(""), 23);
+ pb_2.setIntPref(".anotherPref", 69);
+ pb_3 = ps.getBranch("UserPref.root.intPre");
+ do_check_eq(pb_3.getIntPref("f.anotherPref"), 69);
+
+ // char...
+ pb.setCharPref("UserPref.root.charPref", "_char");
+ pb_1 = ps.getBranch("UserPref.root.");
+ do_check_eq(pb_1.getCharPref("charPref"), "_char");
+ pb_2 = ps.getBranch("UserPref.root.charPref");
+ do_check_eq(pb_2.getCharPref(""), "_char");
+ pb_2.setCharPref(".anotherPref", "_another");
+ pb_3 = ps.getBranch("UserPref.root.charPre");
+ do_check_eq(pb_3.getCharPref("f.anotherPref"), "_another");
+
+ //**************************************************************************//
+ // getChildlist tests
+
+ // get an already set prefBranch
+ pb1 = ps.getBranch("UserPref.root.");
+ let prefList = pb1.getChildList("");
+ do_check_eq(prefList.length, 6);
+
+ // check for specific prefs in the array : the order is not important
+ do_check_true("boolPref" in makeList(prefList));
+ do_check_true("intPref" in makeList(prefList));
+ do_check_true("charPref" in makeList(prefList));
+ do_check_true("boolPref.anotherPref" in makeList(prefList));
+ do_check_true("intPref.anotherPref" in makeList(prefList));
+ do_check_true("charPref.anotherPref" in makeList(prefList));
+
+ //**************************************************************************//
+ // Default branch tests
+
+ // bool...
+ pb1 = ps.getDefaultBranch("");
+ pb1.setBoolPref("DefaultPref.bool", true);
+ do_check_eq(pb1.getBoolPref("DefaultPref.bool"), true);
+ do_check_false(pb1.prefHasUserValue("DefaultPref.bool"));
+ ps.setBoolPref("DefaultPref.bool", false);
+ do_check_true(pb1.prefHasUserValue("DefaultPref.bool"));
+ do_check_eq(ps.getBoolPref("DefaultPref.bool"), false);
+
+ // int...
+ pb1 = ps.getDefaultBranch("");
+ pb1.setIntPref("DefaultPref.int", 100);
+ do_check_eq(pb1.getIntPref("DefaultPref.int"), 100);
+ do_check_false(pb1.prefHasUserValue("DefaultPref.int"));
+ ps.setIntPref("DefaultPref.int", 50);
+ do_check_true(pb1.prefHasUserValue("DefaultPref.int"));
+ do_check_eq(ps.getIntPref("DefaultPref.int"), 50);
+
+ // char...
+ pb1 = ps.getDefaultBranch("");
+ pb1.setCharPref("DefaultPref.char", "_default");
+ do_check_eq(pb1.getCharPref("DefaultPref.char"), "_default");
+ do_check_false(pb1.prefHasUserValue("DefaultPref.char"));
+ ps.setCharPref("DefaultPref.char", "_user");
+ do_check_true(pb1.prefHasUserValue("DefaultPref.char"));
+ do_check_eq(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_UNEXPECTED);
+ do_check_throws(function() {
+ ps.unlockPref("DefaultPref.nonexistent");}, Cr.NS_ERROR_UNEXPECTED);
+
+ // getting a locked pref branch should return the "default" value
+ do_check_false(ps.prefIsLocked("DefaultPref.char"));
+ ps.lockPref("DefaultPref.char");
+ do_check_eq(ps.getCharPref("DefaultPref.char"), "_default");
+ do_check_true(ps.prefIsLocked("DefaultPref.char"));
+
+ // getting an unlocked pref branch should return the "user" value
+ ps.unlockPref("DefaultPref.char");
+ do_check_eq(ps.getCharPref("DefaultPref.char"), "_user");
+ do_check_false(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");
+ do_check_false(pb1.prefHasUserValue("DefaultPref.char"));
+
+ // unlocking and locking multiple times shouldn't throw
+ ps.unlockPref("DefaultPref.char");
+ ps.lockPref("DefaultPref.char");
+ ps.lockPref("DefaultPref.char");
+
+ //**************************************************************************//
+ // resetBranch test
+
+ // NOT IMPLEMENTED YET in module/libpref. So we're not testing !
+ // uncomment the following if resetBranch ever gets implemented.
+ /*ps.resetBranch("DefaultPref");
+ do_check_eq(ps.getBoolPref("DefaultPref.bool"), true);
+ do_check_eq(ps.getIntPref("DefaultPref.int"), 100);
+ do_check_eq(ps.getCharPref("DefaultPref.char"), "_default");*/
+
+ //**************************************************************************//
+ // 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");
+ 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.readUserPrefs(prefFile);
+
+ // former prefs should have been replaced/lost
+ do_check_throws(function() {
+ do_check_eq(pb.getBoolPref("ReadPref.bool"));}, Cr.NS_ERROR_UNEXPECTED);
+ do_check_throws(function() {
+ do_check_eq(pb.getIntPref("ReadPref.int"));}, Cr.NS_ERROR_UNEXPECTED);
+ do_check_throws(function() {
+ do_check_eq(pb.getCharPref("ReadPref.char"));}, Cr.NS_ERROR_UNEXPECTED);
+
+ // loaded prefs should read ok.
+ pb = ps.getBranch("testPref.");
+ do_check_eq(pb.getBoolPref("bool1"), true);
+ do_check_eq(pb.getBoolPref("bool2"), false);
+ do_check_eq(pb.getIntPref("int1"), 23);
+ do_check_eq(pb.getIntPref("int2"), -1236);
+ do_check_eq(pb.getCharPref("char1"), "_testPref");
+ do_check_eq(pb.getCharPref("char2"), "älskar");
+
+ // loading our former savePrefFile should allow us to read former prefs
+ ps.readUserPrefs(savePrefFile);
+ // cleanup the file now we don't need it
+ savePrefFile.remove(false);
+ do_check_eq(ps.getBoolPref("ReadPref.bool"), true);
+ do_check_eq(ps.getIntPref("ReadPref.int"), 230);
+ do_check_eq(ps.getCharPref("ReadPref.char"), "hello");
+
+ // ... and still be able to access "prior-to-readUserPrefs" preferences
+ do_check_eq(pb.getBoolPref("bool1"), true);
+ do_check_eq(pb.getBoolPref("bool2"), false);
+ do_check_eq(pb.getIntPref("int1"), 23);
+
+ //**************************************************************************//
+ // preference Observers
+
+ // an observer...
+ var observer = {
+ QueryInterface: function QueryInterface(aIID) {
+ if (aIID.equals(Ci.nsIObserver) ||
+ aIID.equals(Ci.nsISupports))
+ return this;
+ throw Components.results.NS_NOINTERFACE;
+ },
+
+ observe: function observe(aSubject, aTopic, aState) {
+ do_check_eq(aTopic, "nsPref:changed");
+ do_check_eq(aState, "ReadPref.int");
+ do_check_eq(ps.getIntPref(aState), 76);
+ ps.removeObserver("ReadPref.int", this);
+
+ // notification received, we may go on...
+ do_test_finished();
+ }
+ }
+
+ pb2.addObserver("ReadPref.int", observer, false);
+ ps.setIntPref("ReadPref.int", 76);
+
+ // test will continue upon notification...
+ do_test_pending();
+
+ // removed observer should not fire
+ pb2.removeObserver("ReadPref.int", observer);
+ ps.setIntPref("ReadPref.int", 32);
+
+ // let's test observers once more with a non-root prefbranch
+ pb2.getBranch("ReadPref.");
+ pb2.addObserver("int", observer, false);
+ ps.setIntPref("ReadPref.int", 76);
+
+ // test will complete upon notification...
+ do_test_pending();
+}