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Cu.import("resource://gre/modules/Preferences.jsm");
function test_resetPref() {
const prefNewName = "browser.newpref.fake";
Assert.ok(!Preferences.has(prefNewName), "pref should not exist");
const prefExistingName = "extensions.hotfix.id";
Assert.ok(Preferences.has(prefExistingName), "pref should exist");
Assert.ok(!Preferences.isSet(prefExistingName), "pref should not be user-set");
let prefExistingOriginalValue = Preferences.get(prefExistingName);
registerCleanupFunction(function() {
Preferences.set(prefExistingName, prefExistingOriginalValue);
Services.prefs.deleteBranch(prefNewName);
});
// 1. do nothing on an inexistent pref
MozSelfSupport.resetPref(prefNewName);
Assert.ok(!Preferences.has(prefNewName), "pref should still not exist");
// 2. creation of a new pref
Preferences.set(prefNewName, 10);
Assert.ok(Preferences.has(prefNewName), "pref should exist");
Assert.equal(Preferences.get(prefNewName), 10, "pref value should be 10");
MozSelfSupport.resetPref(prefNewName);
Assert.ok(!Preferences.has(prefNewName), "pref should not exist any more");
// 3. do nothing on an unchanged existing pref
MozSelfSupport.resetPref(prefExistingName);
Assert.ok(Preferences.has(prefExistingName), "pref should still exist");
Assert.equal(Preferences.get(prefExistingName), prefExistingOriginalValue, "pref value should be the same as original");
// 4. change the value of an existing pref
Preferences.set(prefExistingName, "anyone@mozilla.org");
Assert.ok(Preferences.has(prefExistingName), "pref should exist");
Assert.equal(Preferences.get(prefExistingName), "anyone@mozilla.org", "pref value should have changed");
MozSelfSupport.resetPref(prefExistingName);
Assert.ok(Preferences.has(prefExistingName), "pref should still exist");
Assert.equal(Preferences.get(prefExistingName), prefExistingOriginalValue, "pref value should be the same as original");
// 5. delete an existing pref
// deleteBranch is implemented in such a way that
// clearUserPref can't undo its action
// see discussion in bug 1075160
}
function test_resetSearchEngines()
{
const defaultEngineOriginal = Services.search.defaultEngine;
const visibleEnginesOriginal = Services.search.getVisibleEngines();
// 1. do nothing on unchanged search configuration
MozSelfSupport.resetSearchEngines();
Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
"default visible engines set should be reset");
// 2. change the default search engine
const defaultEngineNew = visibleEnginesOriginal[3];
Assert.notEqual(defaultEngineOriginal, defaultEngineNew, "new default engine should be different from original");
Services.search.defaultEngine = defaultEngineNew;
Assert.equal(Services.search.defaultEngine, defaultEngineNew, "default engine should be set to new");
MozSelfSupport.resetSearchEngines();
Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
"default visible engines set should be reset");
// 3. remove an engine
const engineRemoved = visibleEnginesOriginal[2];
Services.search.removeEngine(engineRemoved);
Assert.ok(Services.search.getVisibleEngines().indexOf(engineRemoved) == -1,
"removed engine should not be visible any more");
MozSelfSupport.resetSearchEngines();
Assert.equal(Services.search.defaultEngine, defaultEngineOriginal, "default engine should be reset");
Assert.deepEqual(Services.search.getVisibleEngines(), visibleEnginesOriginal,
"default visible engines set should be reset");
// 4. add an angine
// we don't remove user-added engines as they are only used if selected
}
function test()
{
test_resetPref();
test_resetSearchEngines();
}
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