js/src/jsapi-tests/testIntlAvailableLocales.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "js/LocaleSensitive.h"
   9 #include "jsapi-tests/tests.h"
  10
  11 BEGIN_TEST(testIntlAvailableLocales) {
  12   JSRuntime* rt = JS_GetRuntime(cx);
  13
  14   // This test should only attempt to run if we have Intl support.
  15   JS::Rooted<JS::Value> haveIntl(cx);
  16   EVAL("typeof Intl !== 'undefined'", &haveIntl);
  17   if (!haveIntl.toBoolean()) {
  18     return true;
  19   }
  20
  21   // Assumption: our Intl support always includes "az" (Azerbaijani) support,
  22   // and our Intl support *does not* natively support az-Cyrl-AZ.
  23   CHECK(JS_SetDefaultLocale(rt, "az-Cyrl-AZ"));
  24
  25   EXEC(
  26       "if (Intl.Collator().resolvedOptions().locale !== "
  27       "'az-Cyrl-AZ') \n"
  28       "    throw 'unexpected default locale';");
  29   EXEC(
  30       "var used = Intl.Collator('az-Cyrl').resolvedOptions().locale; \n"
  31       "if (used !== 'az-Cyrl') \n"
  32       "    throw 'bad locale when using truncated default: ' + used;");
  33   EXEC(
  34       "if (Intl.Collator('az').resolvedOptions().locale !== 'az') \n"
  35       "    throw 'bad locale when using more-truncated default';");
  36   EXEC(
  37       "if (Intl.Collator('az-Cyrl-US').resolvedOptions().locale !== 'az-Cyrl') "
  38       "\n"
  39       "    throw 'unexpected default locale';");
  40
  41   EXEC(
  42       "if (Intl.Collator('az-Cyrl-AZ', { localeMatcher: 'lookup' "
  43       "}).resolvedOptions().locale !== \n"
  44       "    'az-Cyrl-AZ') \n"
  45       "{ \n"
  46       "    throw 'unexpected default locale with lookup matcher'; \n"
  47       "}");
  48
  49   CHECK(JS_SetDefaultLocale(rt, "en-US-u-co-phonebk"));
  50   EXEC(
  51       "if (Intl.Collator().resolvedOptions().locale !== 'en-US') \n"
  52       "    throw 'unexpected default locale where proposed default included a "
  53       "Unicode extension';");
  54
  55   CHECK(JS_SetDefaultLocale(rt, "this is not a language tag at all, yo"));
  56
  57   EXEC(
  58       "if (Intl.Collator().resolvedOptions().locale !== 'en-GB') \n"
  59       "    throw 'unexpected last-ditch locale';");
  60   EXEC(
  61       "if (Intl.Collator('en-GB').resolvedOptions().locale !== 'en-GB') \n"
  62       "    throw 'unexpected used locale when specified, with last-ditch "
  63       "locale as default';");
  64
  65   JS_ResetDefaultLocale(rt);
  66   return true;
  67 }
  68 END_TEST(testIntlAvailableLocales)