v8/test/mjsunit/async-stack-traces-promise-all-settled.js
jameslahm 89ed081c17 [runtime] Add async-stack-trace support for Promise.allSettled
... with zero cost.

Bug: v8:9357
Change-Id: I66985c3fd3e7b4efa354eb564c641562cf55ab49
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3518909
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79632}
2022-03-26 12:04:24 +00:00

46 lines
1.3 KiB
JavaScript

// Copyright 2022 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 --async-stack-traces
// Basic test with Promise.allSettled().
(function() {
async function fine() { }
async function thrower() {
await fine();
throw new Error();
}
async function driver() {
return await Promise.allSettled([fine(), fine(), thrower(), thrower()]);
}
async function test(f) {
const results = await f();
results.forEach((result, i) => {
if (result.status === 'rejected') {
const error = result.reason;
assertInstanceof(error, Error);
const stackRegexp = new RegExp("Error.+at thrower.+at " +
`async Promise.allSettled \\(index ${ i }\\)` +
".+ at async driver.+at async test",
"ms")
assertMatches(stackRegexp, error.stack);
}
});
}
assertPromiseResult((async () => {
%PrepareFunctionForOptimization(thrower);
%PrepareFunctionForOptimization(driver);
await test(driver);
await test(driver);
%OptimizeFunctionOnNextCall(thrower);
await test(driver);
%OptimizeFunctionOnNextCall(driver);
await test(driver);
})());
})();