var browserify = require('../'); var test = require('tap').test; var vm = require('vm'); var through = require('through2'); test('constants', function (t) { t.plan(2); var stream = through(); stream.push('console.log(require("constants").ENOENT)'); stream.push(null); var b = browserify(stream); b.bundle(function (err, src) { t.ifError(err); vm.runInNewContext(src, { console: { log: log } }); function log (msg) { t.equal(msg, 2) } }); });