tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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symbol-property.js (911B)

      1 // Copyright (C) 2015 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 26.1.7
      5 description: >
      6  Use a symbol value on property key.
      7 info: |
      8  26.1.7 Reflect.getOwnPropertyDescriptor ( target, propertyKey )
      9 
     10  ...
     11  2. Let key be ToPropertyKey(propertyKey).
     12  ...
     13 
     14  7.1.14 ToPropertyKey ( argument )
     15 
     16  ...
     17  3. If Type(key) is Symbol, then
     18    a. Return key.
     19  ...
     20 includes: [compareArray.js]
     21 features: [Reflect, Symbol]
     22 ---*/
     23 
     24 var o = {};
     25 var s = Symbol('42');
     26 o[s] = 42;
     27 
     28 var result = Reflect.getOwnPropertyDescriptor(o, s);
     29 
     30 assert.compareArray(
     31  Object.getOwnPropertyNames(result),
     32  ['value', 'writable', 'enumerable', 'configurable']
     33 );
     34 assert.sameValue(result.value, 42);
     35 assert.sameValue(result.enumerable, true);
     36 assert.sameValue(result.configurable, true);
     37 assert.sameValue(result.writable, true);
     38 
     39 reportCompare(0, 0);