/**
* @group unit
*/
public function testSetTtl()
{
$document = new Document();
$this->assertFalse($document->hasTtl());
$options = $document->getOptions();
$this->assertArrayNotHasKey('ttl', $options);
$document->setTtl('1d');
$newOptions = $document->getOptions();
$this->assertArrayHasKey('ttl', $newOptions);
$this->assertEquals('1d', $newOptions['ttl']);
$this->assertNotEquals($options, $newOptions);
$this->assertTrue($document->hasTtl());
$this->assertEquals('1d', $document->getTtl());
}