mirror of https://github.com/tc39/test262.git
43 lines
1.3 KiB
JavaScript
43 lines
1.3 KiB
JavaScript
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// 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-generatorfunction
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es6id: 25.2.1.1
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description: Default [[Prototype]] value derived from realm of the newTarget
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info: |
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[...]
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3. Return ? CreateDynamicFunction(C, NewTarget, "generator", args).
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19.2.1.1.1 Runtime Semantics: CreateDynamicFunction
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[...]
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3. Else,
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[...]
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c. Let fallbackProto be "%Generator%".
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[...]
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22. Let proto be ? GetPrototypeFromConstructor(newTarget, fallbackProto).
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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: [Reflect]
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---*/
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var GeneratorFunction = Object.getPrototypeOf(function* () {}).constructor;
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var other = $.createRealm().global;
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var OtherGeneratorFunction = Object.getPrototypeOf(
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other.eval('(0, function* () {})')
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).constructor;
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var C = new other.Function();
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C.prototype = null;
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var o = Reflect.construct(GeneratorFunction, [], C);
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assert.sameValue(Object.getPrototypeOf(o), OtherGeneratorFunction.prototype);
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