tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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symbol-object-contains-symbol-properties-strict-strict.js (622B)


      1 'use strict';
      2 // Copyright (C) 2013 the V8 project authors. All rights reserved.
      3 // This code is governed by the BSD license found in the LICENSE file.
      4 /*---
      5 esid: sec-object.seal
      6 description: >
      7    Object.seal(obj) where obj contains symbol properties.
      8 flags: [onlyStrict]
      9 features: [Symbol]
     10 ---*/
     11 var symA = Symbol("A");
     12 var symB = Symbol("B");
     13 var obj = {};
     14 obj[symA] = 1;
     15 Object.seal(obj);
     16 obj[symA] = 2;
     17 
     18 assert.sameValue(obj[symA], 2, "The value of `obj[symA]` is `2`");
     19 
     20 assert.throws(TypeError, function() {
     21  delete obj[symA];
     22 });
     23 
     24 assert.throws(TypeError, function() {
     25  obj[symB] = 1;
     26 });
     27 
     28 reportCompare(0, 0);