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452c0e5c61
* Automated assertion message update: Array.from * Automated assertion message update: Array.isArray * Automated assertion message update: Array length property * Automated assertion message update: Array.of * Automated assertion message update: Array * Automated assertion message update: Array.prototype.at * Automated assertion message update: Array.prototype.concat * Automated assertion message update: compareArray -> assert.compareArray
36 lines
1016 B
JavaScript
36 lines
1016 B
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-array.from
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es6id: 22.1.2.1
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description: Default [[Prototype]] value derived from realm of the constructor
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info: |
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[...]
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5. If usingIterator is not undefined, then
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a. If IsConstructor(C) is true, then
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i. Let A be ? Construct(C).
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[...]
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9.1.14 GetPrototypeFromConstructor
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[...]
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3. Let proto be ? Get(constructor, "prototype").
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4. If Type(proto) is not Object, then
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a. Let realm be ? GetFunctionRealm(constructor).
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b. Let proto be realm's intrinsic object named intrinsicDefaultProto.
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[...]
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features: [cross-realm]
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---*/
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var other = $262.createRealm().global;
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var C = new other.Function();
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C.prototype = null;
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var a = Array.from.call(C, []);
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assert.sameValue(
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Object.getPrototypeOf(a),
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other.Object.prototype,
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'Object.getPrototypeOf(Array.from.call(C, [])) returns other.Object.prototype'
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);
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