5c2c5ce133
d8 treats files with the .mjs extension as modules instead of classic scripts. Thus, the `// MODULE` pragma and its corresponding logic in test runners can be removed in favor of explicitly adding the extension. Bug: v8:7950, v8:9395, v8:9406 Also-By: tmrts@chromium.org Change-Id: Ic74328dc5c5f176bb4bdf6d74bdd4d3966279ba5 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1675958 Commit-Queue: Mathias Bynens <mathias@chromium.org> Reviewed-by: Tamer Tas <tmrts@chromium.org> Auto-Submit: Mathias Bynens <mathias@chromium.org> Cr-Commit-Position: refs/heads/master@{#62421}
43 lines
1.5 KiB
JavaScript
43 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: --harmony-import-meta
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import foreign, { url as otherUrl } from './modules-skip-export-import-meta.mjs';
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assertEquals("object", typeof import.meta);
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assertEquals(null, Object.getPrototypeOf(import.meta));
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assertSame(import.meta, import.meta);
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const loadImportMetaArrow = () => import.meta;
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assertSame(loadImportMetaArrow(), import.meta);
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function loadImportMetaFn() {
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try {
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throw new Error('force catch code path for nested context');
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} catch (e) {
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return import.meta;
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}
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}
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loadImportMetaFn();
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assertSame(loadImportMetaFn(), import.meta);
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// This property isn't part of the spec itself but is mentioned as an example
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assertMatches(/\/modules-import-meta\.mjs$/, import.meta.url);
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import.meta.x = 42;
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assertEquals(42, import.meta.x);
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Object.assign(import.meta, { foo: "bar" })
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assertEquals("bar", import.meta.foo);
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// PerformEval parses its argument for the goal symbol Script. So the following
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// should fail just as it does for every other Script context.
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//
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// See:
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// https://github.com/tc39/proposal-import-meta/issues/7#issuecomment-329363083
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assertThrows(() => eval('import.meta'), SyntaxError);
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assertThrows(() => new Function('return import.meta;'), SyntaxError);
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assertNotEquals(foreign, import.meta);
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assertMatches(/\/modules-skip-export-import-meta\.mjs$/, foreign.url);
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assertEquals(foreign.url, otherUrl);
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