public function testSetBackground() { $this->if($colorizer = new cli\colorizer(uniqid()))->then->object($colorizer->setBackground($background = uniqid()))->isIdenticalTo($colorizer)->string($colorizer->getBackground())->isEqualTo($background)->object($colorizer->setBackground($background = rand(1, PHP_INT_MAX)))->isIdenticalTo($colorizer)->string($colorizer->getBackground())->isEqualTo($background); }