js/src/jsapi-tests/testDateToLocaleString.cpp
author Mozilla Releng Treescript <release+treescript@mozilla.org>
Sat, 25 Jun 2022 19:02:59 +0000
changeset 622090 c9b65d44600ac04887d0dcf6242c5d98fe7bd242
parent 449035 66eb1f485c1a3ea81372758bc92292c9428b17cd
permissions -rw-r--r--
no bug - Bumping Firefox l10n changesets r=release a=l10n-bump DONTBUILD el -> 58cf40fbc7269bbf9fada1253ec8f011507a992f it -> 31a83f189f50d61cf1cf21a2215cd158c27cdc9c ro -> de1113d8613b112c14d8e75a3e1e0ce7b1a6236e ru -> ebb41fc34812cd2b60b9d71d4131620e5be1cbd3 sl -> f13ec224df213c09e026461144f137d231bd6fd0 tg -> 8584c83ca1fe45406ba32353ae7e76c98d026363 zh-CN -> 09b635a976c6192dccb652bb137867db8b16f722

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: set ts=8 sts=2 et sw=2 tw=80:
 */
/* 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/. */

#include "js/LocaleSensitive.h"
#include "jsapi-tests/tests.h"

BEGIN_TEST(testDateToLocaleString) {
  JSRuntime* rt = JS_GetRuntime(cx);

  // This test should only attempt to run if we have Intl support: necessary
  // to properly assume that changes to the default locale will predictably
  // affect the behavior of the locale-sensitive Date methods tested here.
  JS::Rooted<JS::Value> haveIntl(cx);
  EVAL("typeof Intl !== 'undefined'", &haveIntl);
  if (!haveIntl.toBoolean()) {
    return true;
  }

  // Pervasive assumption: our Intl support includes "de" (German) and
  // "en" (English) and treats them differently for purposes of
  // Date.prototype.toLocale{,Date,Time}String behavior.

  // Start with German.
  CHECK(JS_SetDefaultLocale(rt, "de"));

  // The (constrained) Date object we'll use to test behavior.
  EXEC("var d = new Date(Date.UTC(2015, 9 - 1, 17));");

  // Test that toLocaleString behavior changes with default locale changes.
  EXEC("var deAll = d.toLocaleString();");

  CHECK(JS_SetDefaultLocale(rt, "en"));
  EXEC(
      "if (d.toLocaleString() === deAll) \n"
      "  throw 'toLocaleString results should have changed with system locale "
      "change';");

  // Test that toLocaleDateString behavior changes with default locale changes.
  EXEC("var enDate = d.toLocaleDateString();");

  CHECK(JS_SetDefaultLocale(rt, "de"));
  EXEC(
      "if (d.toLocaleDateString() === enDate) \n"
      "  throw 'toLocaleDateString results should have changed with system "
      "locale change';");

  // Test that toLocaleTimeString behavior changes with default locale changes.
  EXEC("var deTime = d.toLocaleTimeString();");

  CHECK(JS_SetDefaultLocale(rt, "en"));
  EXEC(
      "if (d.toLocaleTimeString() === deTime) \n"
      "  throw 'toLocaleTimeString results should have changed with system "
      "locale change';");

  JS_ResetDefaultLocale(rt);
  return true;
}
END_TEST(testDateToLocaleString)