node/test/parallel/test-promise-unhandled-warn-no-hook.js
Dan Fabulich 3b10f7f933
process: change default --unhandled-rejections=throw
This is a semver-major change that resolves DEP0018.

All users that have set an unhandledRejection hook or set a non-default
value for the --unhandled-rejections flag will see no change in behavior
after this change.

Refs: https://nodejs.org/dist/latest/docs/api/deprecations.html#deprecations_dep0018_unhandled_promise_rejections

PR-URL: https://github.com/nodejs/node/pull/33021
Fixes: https://github.com/nodejs/node/issues/20392
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>
Reviewed-By: Сковорода Никита Андреевич <chalkerx@gmail.com>
2020-09-22 12:29:32 -07:00

21 lines
595 B
JavaScript

// Flags: --unhandled-rejections=warn
'use strict';
const common = require('../common');
// Verify that --unhandled-rejections=warn works fine
new Promise(() => {
throw new Error('One');
});
Promise.reject('test');
// Unhandled rejections trigger two warning per rejection. One is the rejection
// reason and the other is a note where this warning is coming from.
process.on('warning', common.mustCall(4));
process.on('uncaughtException', common.mustNotCall('uncaughtException'));
process.on('rejectionHandled', common.mustNotCall('rejectionHandled'));
setTimeout(common.mustCall(), 2);