mageekguy\atoum\fs\path::getResolvedPath PHP Method

    public function getResolvedPath()
    {
        $clone = clone $this;
        return $clone->resolve();
    }

 public function isSubPathOf(path $path)
 {
     $this->resolve();
     $resolvedPath = $path->getResolvedPath();
     return $this->components !== $resolvedPath->components && ($resolvedPath->isRoot() === true || strpos($this->components, $resolvedPath->components . '/') === 0);
 }