node/test/simple/test-domain-timers.js

// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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var domain = require('domain');
var assert = require('assert');
var common = require('../common.js');

var timeout_err, timeout, immediate_err;

var timeoutd = domain.create();

timeoutd.on('error', function(e) {
  timeout_err = e;
  clearTimeout(timeout);
});

timeoutd.run(function() {
  setTimeout(function() {
    throw new Error('Timeout UNREFd');
  }).unref();
});

var immediated = domain.create();

immediated.on('error', function(e) {
  immediate_err = e;
});

immediated.run(function() {
  setImmediate(function() {
    throw new Error('Immediate Error');
  });
});

timeout = setTimeout(function() {}, 10 * 1000);

process.on('exit', function() {
  assert.equal(timeout_err.message, 'Timeout UNREFd',
      'Domain should catch timer error');
  assert.equal(immediate_err.message, 'Immediate Error',
      'Domain should catch immediate error');
});