JMOlivas\Phpqa\Input\FilesOption::isEmpty PHP Method

    public function isEmpty()
    {
        return count($this->files) === 1 && $this->files[0] === null;
    }

 /** @test */
 function it_should_recognize_if_option_is_provided_correctly()
 {
     $validInput = ['src/'];
     $files = new FilesOption($validInput);
     $this->assertFalse($files->isAbsent());
     $this->assertFalse($files->isEmpty());
 }