public function testGetDaylightSavingShift()
{
$subject = new LocalDate('2016-01-01', 'Europe/Berlin');
$this->assertEquals(0, $subject->getDaylightSavingShift());
// spring forward
$subject = new LocalDate('2016-03-27T12:00:00', 'Europe/Berlin');
$this->assertEquals(3600, $subject->getDaylightSavingShift());
// and fall back
$subject = new LocalDate('2016-10-30T12:00:00', 'Europe/Berlin');
$this->assertEquals(-3600, $subject->getDaylightSavingShift());
}
