tor-browser

The Tor Browser
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instance-extensible.js (960B)


      1 // Copyright (C) 2019 Leo Balter. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 esid: sec-weak-ref-target
      6 description: Instances of WeakRef are extensible
      7 info: |
      8  WeakRef( target )
      9 
     10  ...
     11  3. Let weakRef be ? OrdinaryCreateFromConstructor(NewTarget,  "%WeakRefPrototype%", « [[Target]] »).
     12  4. Perfom ! KeepDuringJob(target).
     13  5. Set weakRef.[[Target]] to target.
     14  6. Return weakRef.
     15 
     16  OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] )
     17 
     18  ...
     19  2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto).
     20  3. Return ObjectCreate(proto, internalSlotsList).
     21 
     22  ObjectCreate ( proto [ , internalSlotsList ] )
     23 
     24  4. Set obj.[[Prototype]] to proto.
     25  5. Set obj.[[Extensible]] to true.
     26  6. Return obj.
     27 features: [WeakRef, Reflect]
     28 ---*/
     29 
     30 var wr = new WeakRef({});
     31 assert.sameValue(Object.isExtensible(wr), true);
     32 
     33 reportCompare(0, 0);