node/test/parallel/test-domain-nested.js

// Make sure that the nested domains don't cause the domain stack to grow

var assert = require('assert');
var domain = require('domain');

process.on('exit', function(c) {
  assert.equal(domain._stack.length, 0);
});

domain.create().run(function() {
  domain.create().run(function() {
    domain.create().run(function() {
      domain.create().on("error", function(e) {
          // Don't need to do anything here
      }).run(function() {
        throw new Error("died")
      })
    })
  })
})