public function testGetTimestamp()
{
$this->assertEquals(strtotime($this->datetime), $this->o->getTimestamp());
$o = new DateTime($time = time());
$this->assertEquals($time, $o->getTimestamp());
$o = new DateTime($this->datetime . '.1234');
$this->assertEquals(strtotime($this->datetime), $o->getTimestamp());
try {
$o = new DateTime('0000-00-00 00:00:00');
$this->assertEquals($time, $o->getTimestamp());
$this->fail('Exception expected!');
} catch (\Exception $e) {
$this->assertEquals('DateTime::format(): The DateTime object has not been correctly initialized by its constructor', $e->getMessage());
}
}
