1335b1ec36
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}
67 lines
1.1 KiB
JavaScript
67 lines
1.1 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --ignore-unhandled-promises
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Debug = debug.Debug
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var exception = null;
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Exception) return;
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try {
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var line = exec_state.frame(0).sourceLineText();
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var match = /Exception/.exec(line);
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assertNotNull(match);
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} catch (e) {
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exception = e;
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}
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}
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// Caught throw, events on any exception.
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Debug.setListener(listener);
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Debug.setBreakOnException();
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var thenable = {
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get then() {
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throw new Error(); // Exception
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}
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};
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class MyPromise extends Promise {
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get then() {
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throw new Error();
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}
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}
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MyPromise.resolve(thenable);
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var p = Promise.resolve(thenable);
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async function foo() {
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return thenable;
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}
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foo();
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async function foo() {
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await thenable;
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}
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foo();
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async function foo() {
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try {
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await thenable;
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} catch (e) {}
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}
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foo();
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%PerformMicrotaskCheckpoint();
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Debug.setListener(null);
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Debug.clearBreakOnException();
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assertNull(exception);
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