<?php
require_once('gettext.inc');

class LocaleTest extends PHPUnit_Framework_TestCase
{
  public function test_setlocale()
  {
    putenv("LC_ALL=");
    // _setlocale defaults to a locale name from environment variable LANG.
    putenv("LANG=sr_RS");
    $this->assertEquals('sr_RS', _setlocale(LC_MESSAGES, 0));
  }

  public function test_setlocale_system()
  {
    putenv("LC_ALL=");
    // For an existing locale, it never needs emulation.
    putenv("LANG=C");
    _setlocale(LC_MESSAGES, "");
    $this->assertEquals(0, locale_emulation());
  }

  public function test_setlocale_emulation()
  {
    putenv("LC_ALL=");
    // If we set it to a non-existent locale, it still works, but uses
    // emulation.
    _setlocale(LC_MESSAGES, "xxx_XXX");
    $this->assertEquals('xxx_XXX', _setlocale(LC_MESSAGES, 0));
    $this->assertEquals(1, locale_emulation());
  }

  public function test_get_list_of_locales()
  {
    // For a locale containing country code, we prefer
    // full locale name, but if that's not found, fall back
    // to the language only locale name.
    $this->assertEquals(array("sr_RS", "sr"),
                        get_list_of_locales("sr_RS"));

    // If language code is used, it's the only thing returned.
    $this->assertEquals(array("sr"),
                        get_list_of_locales("sr"));

    // There is support for language and charset only.
    $this->assertEquals(array("sr.UTF-8", "sr"),
                        get_list_of_locales("sr.UTF-8"));

    // It can also split out character set from the full locale name.
    $this->assertEquals(array("sr_RS.UTF-8", "sr_RS", "sr"),
                        get_list_of_locales("sr_RS.UTF-8"));

    // There is support for @modifier in locale names as well.
    $this->assertEquals(array("sr_RS.UTF-8@latin", "sr_RS@latin", "sr@latin",
                              "sr_RS.UTF-8", "sr_RS", "sr"),
                        get_list_of_locales("sr_RS.UTF-8@latin"));

    // We can pass in only language and modifier.
    $this->assertEquals(array("sr@latin", "sr"),
                        get_list_of_locales("sr@latin"));


    // If locale name is not following the regular POSIX pattern,
    // it's used verbatim.
    $this->assertEquals(array("something"),
                        get_list_of_locales("something"));

    // Passing in an empty string returns an empty array.
    $this->assertEquals(array(),
                        get_list_of_locales(""));
  }
}

?>
