v8/test/mjsunit/harmony/modules-import-13.js
tzik 07011cc4f0 Replace %RunMicrotasks with %PerformMicrotaskCheckpoint
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}
2018-12-06 11:10:18 +00:00

41 lines
947 B
JavaScript

// Copyright 2017 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 --harmony-dynamic-import
// Resources: test/mjsunit/harmony/modules-skip-1.js
ran = false;
async function test1() {
try {
let x = { toString() { return 'modules-skip-1.js' } };
let namespace = await import(x);
let life = namespace.life();
assertEquals(42, life);
ran = true;
} catch(e) {
%AbortJS('failure: '+ e);
}
}
test1();
%PerformMicrotaskCheckpoint();
assertTrue(ran);
ran = false;
async function test2() {
try {
let x = { get toString() { return () => 'modules-skip-1.js' } };
let namespace = await import(x);
let life = namespace.life();
assertEquals(42, life);
ran = true;
} catch(e) {
%AbortJS('failure: '+ e);
}
}
test2();
%PerformMicrotaskCheckpoint();
assertTrue(ran);