public function testJsonSerialize()
{
$dateTimeStorage = new DateTimeStorage();
$dateTimeStorage->attach(new \DateTime('2016-02-23'));
$dateTimeStorage->attach(new \DateTime('2016-02-24'));
$dateTimeStorage->attach(new \DateTime('2016-02-25'));
$this->assertJsonStringEqualsJsonFile(__DIR__ . '/Expected/DateTimeStorage/testJsonSerialize.json', json_encode($dateTimeStorage));
}
public function testHash()
{
$dateTimeStorage = new DateTimeStorage();
$dateTime = new \DateTime('2015-07-08');
$this->assertEquals('2015-07-08', $dateTimeStorage->getHash($dateTime));
}