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PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
// Copyright 2022 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-shadow-realm
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var shadowRealm = new ShadowRealm();
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// re-throwing with SyntaxError
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assertThrows(() => shadowRealm.evaluate('...'), SyntaxError, 'Unexpected end of input')
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// builtin
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var wrapped = shadowRealm.evaluate('String.prototype.substring');
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assertEquals(wrapped.call('123', 1), '23');
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// bound function
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var wrapped = shadowRealm.evaluate('(function it() { return this.a }).bind({ a: 1 })');
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assertEquals(wrapped(), 1);
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// nested bound function
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var wrapped = shadowRealm.evaluate('(function it() { return this.a }).bind({ a: 1 }).bind().bind()');
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assertEquals(wrapped(), 1);
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// function with function context
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var wrapped = shadowRealm.evaluate(`
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(function () {
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var a = 1;
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function it() { return a++; };
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return it;
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})()
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`);
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assertEquals(wrapped(), 1);
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assertEquals(wrapped(), 2);
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// callable proxy
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var wrapped = shadowRealm.evaluate('new Proxy(() => 1, {})');
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assertEquals(wrapped(), 1);
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// nested callable proxy
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var wrapped = shadowRealm.evaluate('new Proxy(new Proxy(new Proxy(() => 1, {}), {}), {})');
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assertEquals(wrapped(), 1);
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// revocable proxy
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var wrapped = shadowRealm.evaluate(`
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var revocable = Proxy.revocable(() => 1, {});
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globalThis.revoke = () => {
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revocable.revoke();
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};
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revocable.proxy;
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`);
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var revoke = shadowRealm.evaluate('globalThis.revoke');
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assertEquals(wrapped(), 1);
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revoke();
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assertThrows(() => wrapped(), TypeError, "Cannot perform 'apply' on a proxy that has been revoked");
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// revoked proxy
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assertThrows(() => shadowRealm.evaluate(`
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var revocable = Proxy.revocable(() => 1, {});
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revocable.revoke();
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revocable.proxy;
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`), TypeError, "Cannot wrap target callable (TypeError: Cannot perform 'getOwnPropertyDescriptor' on a proxy that has been revoked)");
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// no-side-effects inspection on thrown error
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assertThrows(() => shadowRealm.evaluate(`
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throw new Error('foo');
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`), TypeError, "ShadowRealm evaluate threw (Error: foo)");
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// no-side-effects inspection on thrown error
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assertThrows(() => shadowRealm.evaluate(`
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globalThis.messageAccessed = false;
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const err = new Error('foo');
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Object.defineProperty(err, 'message', {
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get: function() {
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globalThis.messageAccessed = true;
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return 'bar';
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},
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});
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throw err;
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`), TypeError, "ShadowRealm evaluate threw (Error)");
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assertFalse(shadowRealm.evaluate('globalThis.messageAccessed'));
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