v8/test/mjsunit/promise-perform-all-resolve-lookup.js
Camillo Bruni 1335b1ec36 [d8] Exit with error code upon unhandled promise rejection
With this CL d8 exits with an error code if there is an unhandled
promise rejection, e.g. due tue a failed assertion in a promise. Up
until now these assertions were just ignored.

Bug: v8:10556
Change-Id: I25f20e4be45a2de130562deb15f6a144f0ac976f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2238569
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68503}
2020-06-24 07:21:58 +00:00

29 lines
638 B
JavaScript

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --allow-natives-syntax --ignore-unhandled-promises
let count = 0;
class MyPromise extends Promise {
static get resolve() {
count++;
return super.resolve;
}
}
MyPromise.all([1, 2, 3, 4, 5]);
assertEquals(1, count);
%PerformMicrotaskCheckpoint();
assertEquals(1, count);
count = 0;
MyPromise.all([
Promise.resolve(1),
Promise.resolve(2),
Promise.reject(3)
]);
assertEquals(1, count);
%PerformMicrotaskCheckpoint();
assertEquals(1, count);