test-promises-unhandled-symbol-rejections.js

'use strict';
const common = require('../common');

common.disableCrashOnUnhandledRejection();

const expectedValueWarning = ['Symbol()'];
const expectedDeprecationWarning = ['Unhandled promise rejections are ' +
                                   'deprecated. In the future, promise ' +
                                   'rejections that are not handled will ' +
                                   'terminate the Node.js process with a ' +
                                   'non-zero exit code.', 'DEP0018'];
const expectedPromiseWarning = ['Unhandled promise rejection. ' +
  'This error originated either by throwing ' +
  'inside of an async function without a catch ' +
  'block, or by rejecting a promise which was ' +
  'not handled with .catch(). To terminate the ' +
  'node process on unhandled promise rejection, ' +
  'use the CLI flag `--unhandled-rejections=strict` (see ' +
  'https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)'];

common.expectWarning({
  DeprecationWarning: expectedDeprecationWarning,
  UnhandledPromiseRejectionWarning: [
    expectedValueWarning,
    expectedPromiseWarning
  ],
});

// Ensure this doesn't crash
Promise.reject(Symbol());