07011cc4f0
This replaces Runtime_RunMicrotasks with Runtime_PerformMicrotaskCheckpoint.
RunMicrotasks forcibly runs Microtasks even when the microtasks are suppressed,
and may causes nested Microtasks in a problematic way. E.g. that confuses
v8::MicrotasksScope::IsRunningMicrotasks() and GetEnteredOrMicrotaskContext().
OTOH, PerformMicrotaskCheckpoint() doesn't run cause the failure as it
respects the microtask suppressions.
As all existing tests don't call RunMicrotasks() in the suppressed situation
(like Promise.resolve().then(()=>{%RunMicrotasks();})), this change should
not affect to these tests.
Change-Id: Ib043a0cc8e482e022d375084d65ea98a6f54ef3d
Reviewed-on: https://chromium-review.googlesource.com/c/1360095
Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58068}
32 lines
640 B
JavaScript
32 lines
640 B
JavaScript
// Copyright 2018 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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//
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// Flags: --allow-natives-syntax
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var list = [];
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function log(item) { list.push(item); }
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async function f() {
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try {
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let namespace = await import(/a/);
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} catch(e) {
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log(1);
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}
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}
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f();
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async function importUndefined() {
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try {
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await import({ get toString() { return undefined; }})
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} catch(e) {
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log(2);
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}
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}
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function g() {
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let namespace = Promise.resolve().then(importUndefined);
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}
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g();
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%PerformMicrotaskCheckpoint();
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assertEquals(list, [1,2]);
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