Sokil\Mongo\DocumentTest::testAddToSet_NoKey PHP Method

    public function testAddToSet_NoKey()
    {
        // create document
        $doc = $this->collection->createDocument(array('some' => 'some'));
        $doc->save();
        // before save
        $doc->addToSet('param', 42);
        $this->assertEquals(array(42), $doc->param);
        // after save
        $doc->save();
        $this->assertEquals(array(42), $this->collection->getDocumentDirectly($doc->getId())->param);
    }