1 files changed, 240 insertions, 0 deletions
diff --git a/intl/locale/tests/unit/test_localeService.js b/intl/locale/tests/unit/test_localeService.js
new file mode 100644
index 0000000000..ae2d949e80
--- /dev/null
+++ b/intl/locale/tests/unit/test_localeService.js
@@ -0,0 +1,240 @@
+/* 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 osPrefs = Cc["@mozilla.org/intl/ospreferences;1"].getService(
+  Ci.mozIOSPreferences
+);
+
+const localeService = Services.locale;
+
+/**
+ * Make sure the locale service can be instantiated.
+ */
+
+add_test(function test_defaultLocale() {
+  const defaultLocale = localeService.defaultLocale;
+  Assert.ok(defaultLocale.length !== 0, "Default locale is not empty");
+  run_next_test();
+});
+
+add_test(function test_lastFallbackLocale() {
+  const lastFallbackLocale = localeService.lastFallbackLocale;
+  Assert.ok(lastFallbackLocale === "en-US", "Last fallback locale is en-US");
+  run_next_test();
+});
+
+add_test(function test_appLocalesAsLangTags() {
+  const appLocale = localeService.appLocaleAsLangTag;
+  Assert.ok(appLocale != "", "appLocale is non-empty");
+
+  const appLocales = localeService.appLocalesAsLangTags;
+  Assert.ok(Array.isArray(appLocales), "appLocales returns an array");
+
+  Assert.ok(
+    appLocale == appLocales[0],
+    "appLocale matches first entry in appLocales"
+  );
+
+  const enUSLocales = appLocales.filter(loc => loc === "en-US");
+  Assert.ok(enUSLocales.length == 1, "en-US is present exactly one time");
+
+  run_next_test();
+});
+
+const PREF_REQUESTED_LOCALES = "intl.locale.requested";
+const REQ_LOC_CHANGE_EVENT = "intl:requested-locales-changed";
+
+add_test(function test_requestedLocales() {
+  const requestedLocales = localeService.requestedLocales;
+  Assert.ok(
+    Array.isArray(requestedLocales),
+    "requestedLocales returns an array"
+  );
+
+  run_next_test();
+});
+
+/**
+ * In this test we verify that after we set an observer on the LocaleService
+ * event for requested locales change, it will be fired when the
+ * pref for matchOS is set to true.
+ *
+ * Then, we test that when the matchOS is set to true, we will retrieve
+ * OS locale from requestedLocales.
+ */
+add_test(function test_requestedLocales_matchOS() {
+  do_test_pending();
+
+  Services.prefs.setCharPref(PREF_REQUESTED_LOCALES, "ar-IR");
+
+  const observer = {
+    observe(aSubject, aTopic, aData) {
+      switch (aTopic) {
+        case REQ_LOC_CHANGE_EVENT:
+          const reqLocs = localeService.requestedLocales;
+          Assert.ok(reqLocs[0] === osPrefs.systemLocale);
+          Services.obs.removeObserver(observer, REQ_LOC_CHANGE_EVENT);
+          do_test_finished();
+      }
+    },
+  };
+
+  Services.obs.addObserver(observer, REQ_LOC_CHANGE_EVENT);
+  Services.prefs.setCharPref(PREF_REQUESTED_LOCALES, "");
+
+  run_next_test();
+});
+
+/**
+ * In this test we verify that after we set an observer on the LocaleService
+ * event for requested locales change, it will be fired when the
+ * pref for browser UI locale changes.
+ */
+add_test(function test_requestedLocales_onChange() {
+  do_test_pending();
+
+  Services.prefs.setCharPref(PREF_REQUESTED_LOCALES, "ar-IR");
+
+  const observer = {
+    observe(aSubject, aTopic, aData) {
+      switch (aTopic) {
+        case REQ_LOC_CHANGE_EVENT:
+          const reqLocs = localeService.requestedLocales;
+          Assert.ok(reqLocs[0] === "sr-RU");
+          Services.obs.removeObserver(observer, REQ_LOC_CHANGE_EVENT);
+          do_test_finished();
+      }
+    },
+  };
+
+  Services.obs.addObserver(observer, REQ_LOC_CHANGE_EVENT);
+  Services.prefs.setCharPref(PREF_REQUESTED_LOCALES, "sr-RU");
+
+  run_next_test();
+});
+
+add_test(function test_requestedLocale() {
+  Services.prefs.setCharPref(PREF_REQUESTED_LOCALES, "tlh");
+
+  let requestedLocale = localeService.requestedLocale;
+  Assert.ok(
+    requestedLocale === "tlh",
+    "requestedLocale returns the right value"
+  );
+
+  Services.prefs.clearUserPref(PREF_REQUESTED_LOCALES);
+
+  run_next_test();
+});
+
+add_test(function test_requestedLocales() {
+  localeService.requestedLocales = ["de-AT", "de-DE", "de-CH"];
+
+  let locales = localeService.requestedLocales;
+  Assert.ok(locales[0] === "de-AT");
+  Assert.ok(locales[1] === "de-DE");
+  Assert.ok(locales[2] === "de-CH");
+
+  run_next_test();
+});
+
+add_test(function test_isAppLocaleRTL() {
+  Assert.ok(typeof localeService.isAppLocaleRTL === "boolean");
+
+  run_next_test();
+});
+
+add_test(function test_isAppLocaleRTL_pseudo() {
+  let avLocales = localeService.availableLocales;
+  let reqLocales = localeService.requestedLocales;
+
+  localeService.availableLocales = ["en-US"];
+  localeService.requestedLocales = ["en-US"];
+  Services.prefs.setCharPref("intl.l10n.pseudo", "");
+
+  Assert.ok(localeService.isAppLocaleRTL === false);
+
+  Services.prefs.setCharPref("intl.l10n.pseudo", "bidi");
+  Assert.ok(localeService.isAppLocaleRTL === true);
+
+  Services.prefs.setCharPref("intl.l10n.pseudo", "accented");
+  Assert.ok(localeService.isAppLocaleRTL === false);
+
+  // Clean up
+  localeService.availableLocales = avLocales;
+  localeService.requestedLocales = reqLocales;
+  Services.prefs.clearUserPref("intl.l10n.pseudo");
+
+  run_next_test();
+});
+
+add_test(function test_packagedLocales() {
+  const locales = localeService.packagedLocales;
+  Assert.ok(locales.length !== 0, "Packaged locales are empty");
+  run_next_test();
+});
+
+add_test(function test_availableLocales() {
+  const avLocales = localeService.availableLocales;
+  localeService.availableLocales = ["und", "ar-IR"];
+
+  let locales = localeService.availableLocales;
+  Assert.ok(locales.length == 2);
+  Assert.ok(locales[0] === "und");
+  Assert.ok(locales[1] === "ar-IR");
+
+  localeService.availableLocales = avLocales;
+
+  run_next_test();
+});
+
+/**
+ * This test verifies that all values coming from the pref are sanitized.
+ */
+add_test(function test_requestedLocales_sanitize() {
+  Services.prefs.setStringPref(
+    PREF_REQUESTED_LOCALES,
+    "de,2,#$@#,pl,ąó,!a2,DE-at,,;"
+  );
+
+  let locales = localeService.requestedLocales;
+  Assert.equal(locales[0], "de");
+  Assert.equal(locales[1], "pl");
+  Assert.equal(locales[2], "de-AT");
+  Assert.equal(locales.length, 3);
+
+  Services.prefs.clearUserPref(PREF_REQUESTED_LOCALES);
+
+  run_next_test();
+});
+
+add_test(function test_handle_ja_JP_mac() {
+  const bkpAvLocales = localeService.availableLocales;
+
+  localeService.availableLocales = ["ja-JP-mac", "en-US"];
+
+  localeService.requestedLocales = ["ja-JP-mac"];
+
+  let reqLocales = localeService.requestedLocales;
+  Assert.equal(reqLocales[0], "ja-JP-macos");
+
+  let avLocales = localeService.availableLocales;
+  Assert.equal(avLocales[0], "ja-JP-macos");
+
+  let appLocales = localeService.appLocalesAsBCP47;
+  Assert.equal(appLocales[0], "ja-JP-macos");
+
+  let appLocalesAsLT = localeService.appLocalesAsLangTags;
+  Assert.equal(appLocalesAsLT[0], "ja-JP-mac");
+
+  Assert.equal(localeService.appLocaleAsLangTag, "ja-JP-mac");
+
+  localeService.availableLocales = bkpAvLocales;
+
+  run_next_test();
+});
+
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref(PREF_REQUESTED_LOCALES);
+});