tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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symbol-logical-not-evaluation.js (621B)

      1 // Copyright (C) 2013 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 12.5.12.1
      5 description: >
      6    "Logical Not" coercion operation on Symbols
      7 features: [Symbol]
      8 ---*/
      9 var sym = Symbol();
     10 
     11 assert.sameValue(!sym, false, "`!sym` is `false`");
     12 assert.sameValue(!!sym, true, "`!!sym` is `true`");
     13 
     14 if (!sym) {
     15  throw new Test262Error("ToBoolean(Symbol) always returns `true`");
     16 } else if (sym) {
     17  assert(true, "`sym` evaluates to `true`");
     18 } else {
     19  throw new Test262Error("ToBoolean(Symbol) always returns `true`");
     20 }
     21 
     22 reportCompare(0, 0);