Edit File: product.js
var assert = require('assert'); var Lazy = require('..'); var expresso = expresso; function range(i, j) { var r = []; for (;i<j;i++) r.push(i); return r; } exports['product'] = function () { var lazy = new Lazy; var executed = 0; lazy.product(function (y) { executed++; assert.equal(y, 1*2*3*4*5*6*7*8*9); }) range(1,10).forEach(function (x) { lazy.emit('data', x); }); lazy.emit('end'); assert.equal(executed, 1, 'product failed to execute'); }
Back to File Manager