function testSet()
 {
     $date = new IntlDateTime('now', null, 'gregorian');
     $date->set('2009/1/2 01:00 PM');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2009/01/02 13:00:00');
     $date->set('2009-10-25');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2009/10/25 00:00:00');
     $date->set('09/05/02 14:00');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2009/05/02 14:00:00');
     $date->set('14 Jan 2010');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/01/14 00:00:00');
     $date->set('Wed, 7 Jan 09');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2009/01/07 00:00:00');
     $date->set('Monday, 15 March 2010 06:22:30 PM');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/03/15 18:22:30');
     $date->set(strtotime('25 Dec 2009'));
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2009/12/25 00:00:00');
     $date->set(new DateTime('15 Jan 2010'));
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/01/15 00:00:00');
     $date->set('now');
     $result = $date->getTimestamp();
     $expected = strtotime('now');
     $this->assertEquals($result, $expected);
     $date->set('yesterday');
     $result = $date->getTimestamp();
     $expected = strtotime('yesterday');
     $this->assertEquals($result, $expected);
     $date->setTimezone('Asia/Tehran');
     $date->set('2010/01/10', 'UTC');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/01/10 03:30:00');
     $date->set('2010/07/10', 'UTC');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/07/10 04:30:00');
     $date->set('20100412182457', null, 'yyyyMMddHHmmss');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '2010/04/12 18:24:57');
     $date->setLocale('fa');
     $date->set('دوشنبه ۱۵ مارس ۲۰۱۰ ۱۲:۳۲:۴۵');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '۲۰۱۰/۰۳/۱۵ ۱۲:۳۲:۴۵');
     $date->setCalendar('persian');
     $date->set('۲۳ دی ۱۳۸۸');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '۱۳۸۸/۱۰/۲۳ ۰۰:۰۰:۰۰');
     $date->set('۱۳۸۸-۱۱-۲۲ ۲۳:۵۰');
     $result = $date->format('yyyy/MM/dd HH:mm:ss');
     $this->assertEquals($result, '۱۳۸۸/۱۱/۲۲ ۲۳:۵۰:۰۰');
 }