tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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prop-expr-obj-key-err.js (839B)

      1 // Copyright (C) 2016 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-super-keyword
      5 es6id: 12.3.5
      6 description: Abrupt completion from type coercion of property key
      7 info: |
      8  1. Let propertyNameReference be the result of evaluating Expression.
      9  2. Let propertyNameValue be ? GetValue(propertyNameReference).
     10  3. Let propertyKey be ? ToPropertyKey(propertyNameValue).
     11 
     12  7.1.14 ToPropertyKey
     13 
     14  1. Let key be ? ToPrimitive(argument, hint String).
     15 ---*/
     16 
     17 var thrown = new Test262Error();
     18 var badToString = {
     19  toString: function() {
     20    throw thrown;
     21  }
     22 };
     23 var caught;
     24 var obj = {
     25  method() {
     26    try {
     27      super[badToString];
     28    } catch (err) {
     29      caught = err;
     30    }
     31  }
     32 };
     33 
     34 obj.method();
     35 
     36 assert.sameValue(caught, thrown);
     37 
     38 reportCompare(0, 0);