e3ad4f131b
TC39 decided at their last meeting to remove this feature. R=adamk@chromium.org TBR=ulan@chromium.org BUG=v8:1569 Review-Url: https://codereview.chromium.org/2578053003 Cr-Commit-Position: refs/heads/master@{#41745}
72 lines
2.6 KiB
JavaScript
72 lines
2.6 KiB
JavaScript
// Copyright 2016 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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//
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// MODULE
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let ja = 42;
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export {ja as yo};
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export const bla = "blaa";
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export {foo as foo_again};
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// See further below for the actual star import that declares "foo".
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// The object itself.
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assertEquals("object", typeof foo);
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assertThrows(() => foo = 666, TypeError);
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assertFalse(Reflect.isExtensible(foo));
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assertTrue(Reflect.preventExtensions(foo));
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assertThrows(() => Reflect.apply(foo, {}, []));
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assertThrows(() => Reflect.construct(foo, {}, []));
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assertSame(null, Reflect.getPrototypeOf(foo));
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assertTrue(Reflect.setPrototypeOf(foo, null));
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assertFalse(Reflect.setPrototypeOf(foo, {}));
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assertSame(null, Reflect.getPrototypeOf(foo));
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assertEquals(
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["bla", "foo_again", "yo", Symbol.toStringTag], Reflect.ownKeys(foo));
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// Its "yo" property.
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assertEquals(
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{value: 42, enumerable: true, configurable: false, writable: true},
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Reflect.getOwnPropertyDescriptor(foo, "yo"));
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assertFalse(Reflect.deleteProperty(foo, "yo"));
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assertTrue(Reflect.has(foo, "yo"));
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assertFalse(Reflect.set(foo, "yo", true));
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// TODO(neis): The next two should be False.
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assertTrue(Reflect.defineProperty(foo, "yo",
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Reflect.getOwnPropertyDescriptor(foo, "yo")));
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assertTrue(Reflect.defineProperty(foo, "yo", {}));
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assertFalse(Reflect.defineProperty(foo, "yo", {get() {return 1}}));
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assertEquals(42, Reflect.get(foo, "yo"));
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assertEquals(43, (ja++, foo.yo));
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// Its "foo_again" property.
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assertSame(foo, foo.foo_again);
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// Its @@toStringTag property.
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assertTrue(Reflect.has(foo, Symbol.toStringTag));
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assertEquals("string", typeof Reflect.get(foo, Symbol.toStringTag));
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assertEquals(
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{value: "Module", configurable: true, writable: false, enumerable: false},
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Reflect.getOwnPropertyDescriptor(foo, Symbol.toStringTag));
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// TODO(neis): Clarify spec w.r.t. other symbols.
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// Nonexistant properties.
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let nonexistant = ["gaga", 123, Symbol('')];
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for (let key of nonexistant) {
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assertSame(undefined, Reflect.getOwnPropertyDescriptor(foo, key));
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assertTrue(Reflect.deleteProperty(foo, key));
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assertFalse(Reflect.set(foo, key, true));
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assertSame(undefined, Reflect.get(foo, key));
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assertFalse(Reflect.defineProperty(foo, key, {get() {return 1}}));
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assertFalse(Reflect.has(foo, key));
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}
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// The actual star import that we are testing. Namespace imports are
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// initialized before evaluation.
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import * as foo from "modules-namespace1.js";
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// There can be only one namespace object.
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import * as bar from "modules-namespace1.js";
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assertSame(foo, bar);
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