tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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not-callable.js (858B)

      1 // Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 esid: sec-properties-of-symbol-instances
      5 description: >
      6  Symbol primitives and objects are not callable.
      7 info: |
      8  Properties of Symbol Instances
      9 
     10  Symbol instances are ordinary objects that inherit properties from the
     11  Symbol prototype object. Symbol instances have a [[SymbolData]] internal slot.
     12  The [[SymbolData]] internal slot is the Symbol value represented by this
     13  Symbol object.
     14 features: [Symbol]
     15 ---*/
     16 
     17 var sym = Symbol('desc');
     18 var symObj = Object(Symbol());
     19 
     20 assert.throws(TypeError, function() {
     21  sym();
     22 });
     23 
     24 assert.throws(TypeError, function() {
     25  new sym();
     26 });
     27 
     28 assert.throws(TypeError, function() {
     29  symObj();
     30 });
     31 
     32 assert.throws(TypeError, function() {
     33  new symObj();
     34 });
     35 
     36 reportCompare(0, 0);