/**
* DatetimeHelperTest::testTzOffset()
*
* @return void
*/
public function testTzOffset()
{
$timezone = Configure::read('Config.timezone');
$phpTimezone = date_default_timezone_get();
Configure::write('Config.timezone', 'UTC');
date_default_timezone_set('UTC');
$this->Time = new Time();
$result = $this->Time->tzOffset(0, false);
$this->assertEquals(0, $result);
Configure::write('Config.timezone', 'Europe/Berlin');
date_default_timezone_set('Europe/Berlin');
$factor = date('I') ? 2 : 1;
$result = $this->Time->tzOffset($factor * HOUR, false);
$this->assertEquals(0, $result);
Configure::write('Config.timezone', $timezone);
date_default_timezone_set($phpTimezone);
}
