mozilla-central/browser/components/preferences/tests/browser_experimental_features_resetall.js (file symbol)

Source code

Revision control

Copy as Markdown

Other Tools

Test Info: Warnings

/* Any copyright is dedicated to the Public Domain.
"use strict";
// It doesn't matter what two preferences are used here, as long as the first is a built-in
// one that defaults to false and the second defaults to true.
const KNOWN_PREF_1 = "browser.display.use_system_colors";
const KNOWN_PREF_2 = "browser.autofocus";
// This test verifies that pressing the reset all button for experimental features
// resets all of the checkboxes to their default state.
add_task(async function testResetAll() {
await SpecialPowers.pushPrefEnv({
set: [
["browser.preferences.experimental", true],
["test.featureA", false],
["test.featureB", true],
[KNOWN_PREF_1, false],
[KNOWN_PREF_2, true],
],
});
// Add a number of test features.
const server = new DefinitionServer();
let definitions = [
{
id: "test-featureA",
preference: "test.featureA",
defaultValue: false,
},
{
id: "test-featureB",
preference: "test.featureB",
defaultValue: true,
},
{
id: "test-featureC",
preference: KNOWN_PREF_1,
defaultValue: false,
},
{
id: "test-featureD",
preference: KNOWN_PREF_2,
defaultValue: true,
},
];
for (let { id, preference, defaultValue } of definitions) {
server.addDefinition({ id, preference, defaultValue, isPublic: true });
}
await BrowserTestUtils.openNewForegroundTab(
gBrowser,
`about:preferences?definitionsUrl=${encodeURIComponent(
server.definitionsUrl
)}#paneExperimental`
);
let doc = gBrowser.contentDocument;
await TestUtils.waitForCondition(
() => doc.getElementById(definitions[definitions.length - 1].id),
"wait for the first public feature to get added to the DOM"
);
// Check the initial state of each feature.
ok(!Services.prefs.getBoolPref("test.featureA"), "initial state A");
ok(Services.prefs.getBoolPref("test.featureB"), "initial state B");
ok(!Services.prefs.getBoolPref(KNOWN_PREF_1), "initial state C");
ok(Services.prefs.getBoolPref(KNOWN_PREF_2), "initial state D");
// Modify the state of some of the features.
doc.getElementById("test-featureC").click();
doc.getElementById("test-featureD").click();
ok(!Services.prefs.getBoolPref("test.featureA"), "modified state A");
ok(Services.prefs.getBoolPref("test.featureB"), "modified state B");
ok(Services.prefs.getBoolPref(KNOWN_PREF_1), "modified state C");
ok(!Services.prefs.getBoolPref(KNOWN_PREF_2), "modified state D");
// State after reset.
let prefChangedPromise = new Promise(resolve => {
Services.prefs.addObserver(KNOWN_PREF_2, function observer() {
Services.prefs.removeObserver(KNOWN_PREF_2, observer);
resolve();
});
});
doc.getElementById("experimentalCategory-reset").click();
await prefChangedPromise;
// The preferences will be reset to the default value for the feature.
ok(!Services.prefs.getBoolPref("test.featureA"), "after reset state A");
ok(Services.prefs.getBoolPref("test.featureB"), "after reset state B");
ok(!Services.prefs.getBoolPref(KNOWN_PREF_1), "after reset state C");
ok(Services.prefs.getBoolPref(KNOWN_PREF_2), "after reset state D");
ok(
!doc.getElementById("test-featureA").checked,
"after reset checkbox state A"
);
ok(
doc.getElementById("test-featureB").checked,
"after reset checkbox state B"
);
ok(
!doc.getElementById("test-featureC").checked,
"after reset checkbox state C"
);
ok(
doc.getElementById("test-featureD").checked,
"after reset checkbox state D"
);
BrowserTestUtils.removeTab(gBrowser.selectedTab);
});