/**
* An array of untranslated day name abbreviations.
*
* The abbreviations are forced to lowercase and ordered appropriately for the
* site setting for the first day of week.
*
* @return array
* The untranslated day abbreviation is used in css classes.
*/
public static function untranslatedDays()
{
$untranslated_days = self::weekDaysOrdered(DateHelper::weekDaysUntranslated());
foreach ($untranslated_days as $delta => $day) {
$untranslated_days[$delta] = strtolower(substr($day, 0, 3));
}
return $untranslated_days;
}
/**
* @covers ::weekDaysOrdered
* @dataProvider providerTestWeekDaysOrdered
*/
public function testWeekDaysOrdered($first_day, $expected)
{
$container = new ContainerBuilder();
$config = ['system.date' => ['first_day' => $first_day]];
$container->set('config.factory', $this->getConfigFactoryStub($config));
\Drupal::setContainer($container);
$weekdays = DateHelper::weekDaysUntranslated();
// self::assertSame() MUST be used here as it checks for array key order.
$this->assertSame($expected, DateHelper::weekDaysOrdered($weekdays));
}
