// If the path has no parent directory, just test it
        if (!slices.length) {
            return cache[path] = this._testOne(path, checkUnignored)
        }

        const parent = this._t(
            slices.join(SLASH) + SLASH,
            cache,
            checkUnignored,
            slices
        )

        // If the path contains a parent directory, check the parent first