94283dcf44
This patch implements the runtime semantics of dynamic import. We create a new ASTNode so that we can pass the JSFunction closure() to the runtime function from which we get the script_url. d8 implements the embedder logic required to load and evaluate the modules. The API is mostly implemented as specified. BUG=8:5785 Review-Url: https://codereview.chromium.org/2703563002 Cr-Commit-Position: refs/heads/master@{#44551}
92 lines
1.5 KiB
JavaScript
92 lines
1.5 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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var x = {
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get toString() { return undefined; }
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};
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import(x);
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var x = {
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toString() {
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throw new Error('42 is the answer');
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}
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};
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import(x);
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var x = {
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get toString() {
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throw new Error('42 is the answer');
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}
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};
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import(x);
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async function test1() {
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try {
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let x = {
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toString() {
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throw new Error('42 is the answer');
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}
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};
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let namespace = await import(x);
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%AbortJS('failure: this should throw');
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} catch(e) {
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assertEquals(e.message, '42 is the answer');
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ran = true;
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}
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}
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test1();
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%RunMicrotasks();
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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 = {
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get toString() {
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throw new Error('42 is the answer');
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}
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};
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let namespace = await import(x);
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%AbortJS('failure: this should throw');
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} catch(e) {
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assertEquals(e.message, '42 is the answer');
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ran = true;
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}
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}
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test2();
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%RunMicrotasks();
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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 = {
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get toString() { return undefined; }
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};
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let namespace = await import(x);
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%AbortJS('failure: this should throw');
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} catch(e) {
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assertEquals(e.message, 'Cannot convert object to primitive value');
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ran = true;
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}
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}
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test3();
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%RunMicrotasks();
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assertTrue(ran);
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