// - X: that never happen

    // @param {boolean} whether should check if the path is unignored,
    //   setting `checkUnignored` to `false` could reduce additional
    //   path matching.

    // @returns {TestResult} true if a file is ignored
    _testOne (path, checkUnignored) {
        let ignored = false
        let unignored = false

        this._rules.forEach(rule => {