tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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spread-obj-skip-non-enumerable.js (965B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/spread/obj-skip-non-enumerable.case
      3 // - src/spread/default/member-expr.template
      4 /*---
      5 description: Object Spread doesn't copy non-enumerable properties (`new` operator)
      6 esid: sec-new-operator-runtime-semantics-evaluation
      7 features: [object-spread]
      8 flags: [generated]
      9 info: |
     10    MemberExpression : new MemberExpression Arguments
     11 
     12    1. Return EvaluateNew(MemberExpression, Arguments).
     13 
     14    12.3.3.1.1 Runtime Semantics: EvaluateNew
     15 
     16    6. If arguments is empty, let argList be an empty List.
     17    7. Else,
     18       a. Let argList be ArgumentListEvaluation of arguments.
     19       [...]
     20 ---*/
     21 
     22 let o = {};
     23 Object.defineProperty(o, "b", {value: 3, enumerable: false});
     24 
     25 
     26 var callCount = 0;
     27 
     28 new function(obj) {
     29  assert.sameValue(obj.hasOwnProperty("b"), false)
     30  assert.sameValue(Object.keys(obj).length, 0);
     31  callCount += 1;
     32 }({...o});
     33 
     34 assert.sameValue(callCount, 1);
     35 
     36 reportCompare(0, 0);