| // Copyright Joyent, Inc. and other Node contributors. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the |
| // "Software"), to deal in the Software without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Software, and to permit |
| // persons to whom the Software is furnished to do so, subject to the |
| // following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN |
| // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| // USE OR OTHER DEALINGS IN THE SOFTWARE. |
| |
| var common = require('../common'); |
| var assert = require('assert'); |
| var i; |
| |
| var N = 30; |
| |
| var last_i = 0; |
| var last_ts = 0; |
| var start = Date.now(); |
| |
| 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 = Date.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); |