tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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S11.13.2_A7.5_T3.js (775B)

      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]. Evaluating
      9    ToPropertyKey(prop) throws an error.
     10    Check operator is "x -= y".
     11 ---*/
     12 
     13 function DummyError() { }
     14 
     15 assert.throws(DummyError, function() {
     16  var base = {};
     17  var prop = {
     18    toString: function() {
     19      throw new DummyError();
     20    }
     21  };
     22  var expr = function() {
     23    throw new Test262Error("right-hand side expression evaluated");
     24  };
     25 
     26  base[prop] -= expr();
     27 });
     28 
     29 reportCompare(0, 0);