1'use strict'; 2 3const common = require('../common'); 4 5if (common.isIBMi) 6 common.skip('IBMi does not support `fs.watch()`'); 7 8const fs = require('fs'); 9 10const watcher = fs.watch(__filename, common.mustNotCall()); 11 12watcher.unref(); 13 14setTimeout( 15 common.mustCall(() => { 16 watcher.ref(); 17 watcher.unref(); 18 }), 19 common.platformTimeout(100) 20); 21