'use strict'; require('../common'); var assert = require('assert'); var Timer = process.binding('timer_wrap').Timer; var N = 30; var last_i = 0; var last_ts = 0; var f = function(i) { if (i <= N) { // check order assert.equal(i, last_i + 1, 'order is broken: ' + i + ' != ' + last_i + ' + 1'); last_i = i; // check that this iteration is fired at least 1ms later than the previous var now = Timer.now(); console.log(i, now); assert(now >= last_ts + 1, 'current ts ' + now + ' < prev ts ' + last_ts + ' + 1'); last_ts = now; // schedule next iteration setTimeout(f, 1, i + 1); } }; f(1);