tor-browser

The Tor Browser
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does-not-invoke-array-setters.js (1060B)


      1 // |reftest| async
      2 // Copyright (C) 2015 André Bargull. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 
      5 /*---
      6 es6id: 25.4.4.1.1
      7 description: >
      8  Indexed setter properties on Array.prototype are not invoked.
      9 info: |
     10  Runtime Semantics: PerformPromiseAll( iteratorRecord, constructor, resultCapability)
     11 
     12  ...
     13  4. Let remainingElementsCount be a new Record { [[value]]: 1 }.
     14  ...
     15  6.d ...
     16    ii. Set remainingElementsCount.[[value]] to remainingElementsCount.[[value]] − 1.
     17    iii. If remainingElementsCount.[[value]] is 0,
     18      1. Let valuesArray be CreateArrayFromList(values).
     19      ...
     20  ...
     21 
     22  7.3.16 CreateArrayFromList (elements)
     23    ...
     24    4. For each element e of elements
     25      a. Let status be CreateDataProperty(array, ToString(n), e).
     26      b. Assert: status is true.
     27    ...
     28 flags: [async]
     29 ---*/
     30 
     31 Object.defineProperty(Array.prototype, 0, {
     32  set: function() {
     33    throw new Test262Error("Setter on Array.prototype called");
     34  }
     35 });
     36 
     37 Promise.all([42]).then(function() {
     38  $DONE();
     39 }, $DONE);