tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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arg-symbol-registry-miss.js (868B)

      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-symbol.keyfor
      5 description: >
      6    Called with Symbol value that does not exist in the global symbol registry
      7 info: |
      8    1. If Type(sym) is not Symbol, throw a TypeError exception.
      9    2. For each element e of the GlobalSymbolRegistry List (see 19.4.2.1),
     10       a. If SameValue(e.[[Symbol]], sym) is true, return e.[[Key]].
     11    3. Assert: GlobalSymbolRegistry does not currently contain an entry for
     12       sym.
     13    4. Return undefined. 
     14 features: [Symbol.iterator, Symbol]
     15 ---*/
     16 
     17 var constructed = Symbol('Symbol.iterator');
     18 assert.sameValue(Symbol.keyFor(constructed), undefined, 'constructed symbol');
     19 
     20 assert.sameValue(
     21  Symbol.keyFor(Symbol.iterator), undefined, 'well-known symbol'
     22 );
     23 
     24 reportCompare(0, 0);