'use strict';

let mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/test');

console.log(`are we connected to mongodb here? [${mongoose.connection._hasOpened}]`);

process.nextTick(function() {
  console.log(`how about next tick? [${mongoose.connection._hasOpened}]`);
});

setTimeout(function() {
  console.log(`after 100ms: ${mongoose.connection._hasOpened}`);
}, 100);