tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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S11.13.2_A7.3_T4.js (701B)

      1 // Copyright (C) 2015 André Bargull. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 
      4 /*---
      5 info: Compound Assignment Operator evaluates its operands from left to right.
      6 description: >
      7    The left-hand side expression is evaluated before the right-hand side.
      8    Left-hand side expression is MemberExpression: base[prop]. ToPropertyKey(prop)
      9    is only called once.
     10    Check operator is "x %= y".
     11 ---*/
     12 
     13 var propKeyEvaluated = false;
     14 var base = {};
     15 var prop = {
     16  toString: function() {
     17    assert(!propKeyEvaluated);
     18    propKeyEvaluated = true;
     19    return "";
     20  }
     21 };
     22 var expr = function() {
     23  return 0;
     24 };
     25 
     26 base[prop] %= expr();
     27 
     28 reportCompare(0, 0);