v8/test/mjsunit/harmony/modules-import-13.js
gsathya 94283dcf44 [ESNext] Implement DynamicImportCall
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}
2017-04-11 09:33:11 +00:00

40 lines
868 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
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();
%RunMicrotasks();
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();
%RunMicrotasks();
assertTrue(ran);