v8/test/mjsunit/es8/async-await-no-constructor.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

28 lines
583 B
JavaScript

// Copyright 2016 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
'use strict';
var resolved = Promise.resolve();
var count = 0;
Object.defineProperty(Promise.prototype, 'constructor',
{ get() { count++; return Promise; } })
async function foo() {
await resolved;
return resolved;
}
async function bar() {
throw 1;
}
foo();
bar();
%PerformMicrotaskCheckpoint();
assertEquals(2, count);