39cc400dea
This cl adds support for top level await to d8, but still does not allow top level await through parsing. Unfortunately, due to that restriction this cl has no automated tests, but I added a 'top-level-await' variant and manually confirmed it passes locally. Bug: v8:9344 Change-Id: I3528442768107f5ad1ed1e9e947cfceae91c0cc6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1808483 Commit-Queue: Joshua Litt <joshualitt@chromium.org> Reviewed-by: Georg Neis <neis@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Cr-Commit-Position: refs/heads/master@{#63909}
61 lines
1.4 KiB
JavaScript
61 lines
1.4 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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//
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// Note: This test fails with top level await due to test1, which tries to
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// import a module using top level await and expects it to fail.
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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.mjs');
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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.mjs');
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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.mjs' 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.mjs');
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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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