bluebird-bench.js

var bluebird = require('bluebird');

suite('Bluebird', function () {
    set('iterations', 1000);     // the number of times to run a given bench
    set('type', 'adaptive');    // or 'static' (see below)
    set('mintime', 5000);        // when adaptive, the minimum time in ms a bench should run
    set('delay', 1000);          // time in ms between each bench

    bench('then next tick', function (done) {
        var defer = bluebird.defer();

        defer.promise.then(function () {
            done();
        });

        process.nextTick(function () {
            defer.resolve('ok');
        });
    });
});