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}
58 lines
1.2 KiB
JavaScript
58 lines
1.2 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: --allow-natives-syntax --harmony-dynamic-import
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var ran = false;
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async function test1() {
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try {
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let x = await import('modules-skip-8.js');
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%AbortJS('failure: should be unreachable');
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} catch(e) {
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assertEquals('Unexpected reserved word', e.message);
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ran = true;
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}
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}
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test1();
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%PerformMicrotaskCheckpoint();
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assertTrue(ran);
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ran = false;
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async function test2() {
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try {
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let x = await import('modules-skip-9.js');
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%AbortJS('failure: should be unreachable');
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} catch(e) {
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assertInstanceof(e, SyntaxError);
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assertEquals(
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"The requested module 'modules-skip-empty.js' does not provide an " +
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"export named 'default'",
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e.message);
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ran = true;
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}
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}
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test2();
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%PerformMicrotaskCheckpoint();
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assertTrue(ran);
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ran = false;
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async function test3() {
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try {
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let x = await import('nonexistent-file.js');
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%AbortJS('failure: should be unreachable');
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} catch(e) {
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assertTrue(e.startsWith('Error reading'));
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ran = true;
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}
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}
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test3();
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%PerformMicrotaskCheckpoint();
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assertTrue(ran);
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