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32 lines
938 B
JavaScript
32 lines
938 B
JavaScript
// Copyright (C) 2019 Leo Balter. 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-weak-ref-target
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description: Instances of WeakRef are extensible
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info: |
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WeakRef( target )
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...
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3. Let weakRef be ? OrdinaryCreateFromConstructor(NewTarget, "%WeakRefPrototype%", « [[Target]] »).
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4. Perfom ! KeepDuringJob(target).
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5. Set weakRef.[[Target]] to target.
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6. Return weakRef.
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OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
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...
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2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
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3. Return ObjectCreate(proto, internalSlotsList).
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ObjectCreate ( proto [ , internalSlotsList ] )
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4. Set obj.[[Prototype]] to proto.
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5. Set obj.[[Extensible]] to true.
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6. Return obj.
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features: [WeakRef, Reflect]
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---*/
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var wr = new WeakRef({});
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assert.sameValue(Object.isExtensible(wr), true);
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