/**
* @test
*/
public function itDoesNotChangeItselfWhenTheDateTimeObjectItWasCreatedWithChanges()
{
$datetime = new \DateTime('2014-12-23 17:30:00', new \DateTimeZone('UTC'));
$timestamp = Timestamp::fromDateTime($datetime);
$datetime->add(new \DateInterval('P1D'));
$this->assertSame('2014-12-23T17:30:00.000000+0000', $timestamp->toString());
}
