gecko/toolkit/modules/tests/xpcshell/test_Preferences.js

361 lines
11 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
const {classes: Cc, interfaces: Ci, results: Cr, utils: Cu, manager: Cm} = Components;
Cu.import("resource://gre/modules/Preferences.jsm");
function run_test() {
run_next_test();
}
add_test(function test_set_get_pref() {
Preferences.set("test_set_get_pref.integer", 1);
do_check_eq(Preferences.get("test_set_get_pref.integer"), 1);
Preferences.set("test_set_get_pref.string", "foo");
do_check_eq(Preferences.get("test_set_get_pref.string"), "foo");
Preferences.set("test_set_get_pref.boolean", true);
do_check_eq(Preferences.get("test_set_get_pref.boolean"), true);
// Clean up.
Preferences.resetBranch("test_set_get_pref.");
run_next_test();
});
add_test(function test_set_get_branch_pref() {
let prefs = new Preferences("test_set_get_branch_pref.");
prefs.set("something", 1);
do_check_eq(prefs.get("something"), 1);
do_check_false(Preferences.has("something"));
// Clean up.
prefs.reset("something");
run_next_test();
});
add_test(function test_set_get_multiple_prefs() {
Preferences.set({ "test_set_get_multiple_prefs.integer": 1,
"test_set_get_multiple_prefs.string": "foo",
"test_set_get_multiple_prefs.boolean": true });
let [i, s, b] = Preferences.get(["test_set_get_multiple_prefs.integer",
"test_set_get_multiple_prefs.string",
"test_set_get_multiple_prefs.boolean"]);
do_check_eq(i, 1);
do_check_eq(s, "foo");
do_check_eq(b, true);
// Clean up.
Preferences.resetBranch("test_set_get_multiple_prefs.");
run_next_test();
});
add_test(function test_get_multiple_prefs_with_default_value() {
Preferences.set({ "test_get_multiple_prefs_with_default_value.a": 1,
"test_get_multiple_prefs_with_default_value.b": 2 });
let [a, b, c] = Preferences.get(["test_get_multiple_prefs_with_default_value.a",
"test_get_multiple_prefs_with_default_value.b",
"test_get_multiple_prefs_with_default_value.c"],
0);
do_check_eq(a, 1);
do_check_eq(b, 2);
do_check_eq(c, 0);
// Clean up.
Preferences.resetBranch("test_get_multiple_prefs_with_default_value.");
run_next_test();
});
add_test(function test_set_get_unicode_pref() {
Preferences.set("test_set_get_unicode_pref", String.fromCharCode(960));
do_check_eq(Preferences.get("test_set_get_unicode_pref"), String.fromCharCode(960));
// Clean up.
Preferences.reset("test_set_get_unicode_pref");
run_next_test();
});
add_test(function test_set_null_pref() {
try {
Preferences.set("test_set_null_pref", null);
// We expect this to throw, so the test is designed to fail if it doesn't.
do_check_true(false);
}
catch(ex) {}
run_next_test();
});
add_test(function test_set_undefined_pref() {
try {
Preferences.set("test_set_undefined_pref");
// We expect this to throw, so the test is designed to fail if it doesn't.
do_check_true(false);
}
catch(ex) {}
run_next_test();
});
add_test(function test_set_unsupported_pref() {
try {
Preferences.set("test_set_unsupported_pref", new Array());
// We expect this to throw, so the test is designed to fail if it doesn't.
do_check_true(false);
}
catch(ex) {}
run_next_test();
});
// Make sure that we can get a string pref that we didn't set ourselves
// (i.e. that the way we get a string pref using getComplexValue doesn't
// hork us getting a string pref that wasn't set using setComplexValue).
add_test(function test_get_string_pref() {
let svc = Cc["@mozilla.org/preferences-service;1"].
getService(Ci.nsIPrefService).
getBranch("");
svc.setCharPref("test_get_string_pref", "a normal string");
do_check_eq(Preferences.get("test_get_string_pref"), "a normal string");
// Clean up.
Preferences.reset("test_get_string_pref");
run_next_test();
});
add_test(function test_set_get_number_pref() {
Preferences.set("test_set_get_number_pref", 5);
do_check_eq(Preferences.get("test_set_get_number_pref"), 5);
// Non-integer values get converted to integers.
Preferences.set("test_set_get_number_pref", 3.14159);
do_check_eq(Preferences.get("test_set_get_number_pref"), 3);
// Values outside the range -(2^31-1) to 2^31-1 overflow.
try {
Preferences.set("test_set_get_number_pref", Math.pow(2, 31));
// We expect this to throw, so the test is designed to fail if it doesn't.
do_check_true(false);
}
catch(ex) {}
// Clean up.
Preferences.reset("test_set_get_number_pref");
run_next_test();
});
add_test(function test_reset_pref() {
Preferences.set("test_reset_pref", 1);
Preferences.reset("test_reset_pref");
do_check_eq(Preferences.get("test_reset_pref"), undefined);
run_next_test();
});
add_test(function test_reset_pref_branch() {
Preferences.set("test_reset_pref_branch.foo", 1);
Preferences.set("test_reset_pref_branch.bar", 2);
Preferences.resetBranch("test_reset_pref_branch.");
do_check_eq(Preferences.get("test_reset_pref_branch.foo"), undefined);
do_check_eq(Preferences.get("test_reset_pref_branch.bar"), undefined);
run_next_test();
});
// Make sure the module doesn't throw an exception when asked to reset
// a nonexistent pref.
add_test(function test_reset_nonexistent_pref() {
Preferences.reset("test_reset_nonexistent_pref");
run_next_test();
});
// Make sure the module doesn't throw an exception when asked to reset
// a nonexistent pref branch.
add_test(function test_reset_nonexistent_pref_branch() {
Preferences.resetBranch("test_reset_nonexistent_pref_branch.");
run_next_test();
});
add_test(function test_observe_prefs_function() {
let observed = false;
let observer = function() { observed = !observed };
Preferences.observe("test_observe_prefs_function", observer);
Preferences.set("test_observe_prefs_function", "something");
do_check_true(observed);
Preferences.ignore("test_observe_prefs_function", observer);
Preferences.set("test_observe_prefs_function", "something else");
do_check_true(observed);
// Clean up.
Preferences.reset("test_observe_prefs_function");
run_next_test();
});
add_test(function test_observe_prefs_object() {
let observer = {
observed: false,
observe: function() {
this.observed = !this.observed;
}
};
Preferences.observe("test_observe_prefs_object", observer.observe, observer);
Preferences.set("test_observe_prefs_object", "something");
do_check_true(observer.observed);
Preferences.ignore("test_observe_prefs_object", observer.observe, observer);
Preferences.set("test_observe_prefs_object", "something else");
do_check_true(observer.observed);
// Clean up.
Preferences.reset("test_observe_prefs_object");
run_next_test();
});
add_test(function test_observe_prefs_nsIObserver() {
let observer = {
observed: false,
observe: function(subject, topic, data) {
this.observed = !this.observed;
do_check_true(subject instanceof Ci.nsIPrefBranch);
do_check_eq(topic, "nsPref:changed");
do_check_eq(data, "test_observe_prefs_nsIObserver");
}
};
Preferences.observe("test_observe_prefs_nsIObserver", observer);
Preferences.set("test_observe_prefs_nsIObserver", "something");
do_check_true(observer.observed);
Preferences.ignore("test_observe_prefs_nsIObserver", observer);
Preferences.set("test_observe_prefs_nsIObserver", "something else");
do_check_true(observer.observed);
// Clean up.
Preferences.reset("test_observe_prefs_nsIObserver");
run_next_test();
});
/*
add_test(function test_observe_exact_pref() {
let observed = false;
let observer = function() { observed = !observed };
Preferences.observe("test_observe_exact_pref", observer);
Preferences.set("test_observe_exact_pref.sub-pref", "something");
do_check_false(observed);
// Clean up.
Preferences.ignore("test_observe_exact_pref", observer);
Preferences.reset("test_observe_exact_pref.sub-pref");
run_next_test();
});
*/
add_test(function test_observe_value_of_set_pref() {
let observer = function(newVal) { do_check_eq(newVal, "something") };
Preferences.observe("test_observe_value_of_set_pref", observer);
Preferences.set("test_observe_value_of_set_pref", "something");
// Clean up.
Preferences.ignore("test_observe_value_of_set_pref", observer);
Preferences.reset("test_observe_value_of_set_pref");
run_next_test();
});
add_test(function test_observe_value_of_reset_pref() {
let observer = function(newVal) { do_check_true(typeof newVal == "undefined") };
Preferences.set("test_observe_value_of_reset_pref", "something");
Preferences.observe("test_observe_value_of_reset_pref", observer);
Preferences.reset("test_observe_value_of_reset_pref");
// Clean up.
Preferences.ignore("test_observe_value_of_reset_pref", observer);
run_next_test();
});
add_test(function test_has_pref() {
do_check_false(Preferences.has("test_has_pref"));
Preferences.set("test_has_pref", "foo");
do_check_true(Preferences.has("test_has_pref"));
Preferences.set("test_has_pref.foo", "foo");
Preferences.set("test_has_pref.bar", "bar");
let [hasFoo, hasBar, hasBaz] = Preferences.has(["test_has_pref.foo",
"test_has_pref.bar",
"test_has_pref.baz"]);
do_check_true(hasFoo);
do_check_true(hasBar);
do_check_false(hasBaz);
// Clean up.
Preferences.resetBranch("test_has_pref");
run_next_test();
});
add_test(function test_isSet_pref() {
// Use a pref that we know has a default value but no user-set value.
// This feels dangerous; perhaps we should create some other default prefs
// that we can use for testing.
do_check_false(Preferences.isSet("toolkit.defaultChromeURI"));
Preferences.set("toolkit.defaultChromeURI", "foo");
do_check_true(Preferences.isSet("toolkit.defaultChromeURI"));
// Clean up.
Preferences.reset("toolkit.defaultChromeURI");
run_next_test();
});
/*
add_test(function test_lock_prefs() {
// Use a pref that we know has a default value.
// This feels dangerous; perhaps we should create some other default prefs
// that we can use for testing.
do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
Preferences.lock("toolkit.defaultChromeURI");
do_check_true(Preferences.locked("toolkit.defaultChromeURI"));
Preferences.unlock("toolkit.defaultChromeURI");
do_check_false(Preferences.locked("toolkit.defaultChromeURI"));
let val = Preferences.get("toolkit.defaultChromeURI");
Preferences.set("toolkit.defaultChromeURI", "test_lock_prefs");
do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
Preferences.lock("toolkit.defaultChromeURI");
do_check_eq(Preferences.get("toolkit.defaultChromeURI"), val);
Preferences.unlock("toolkit.defaultChromeURI");
do_check_eq(Preferences.get("toolkit.defaultChromeURI"), "test_lock_prefs");
// Clean up.
Preferences.reset("toolkit.defaultChromeURI");
run_next_test();
});
*/