tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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symbol.js (1194B)

      1 // Copyright (C) 2014 the V8 project authors. All rights reserved.
      2 // This code is governed by the BSD license found in the LICENSE file.
      3 /*---
      4 es6id: 12.2.5
      5 description: >
      6    computed property class method names can be a symbol
      7 includes: [compareArray.js]
      8 features: [Symbol]
      9 ---*/
     10 
     11 function ID(x) {
     12  return x;
     13 }
     14 
     15 var sym1 = Symbol();
     16 var sym2 = Symbol();
     17 class C {
     18  a() { return 'A'; }
     19  [sym1]() { return 'B'; }
     20  c() { return 'C'; }
     21  [ID(sym2)]() { return 'D'; }
     22 }
     23 assert.sameValue(new C().a(), 'A', "`new C().a()` returns `'A'`. Defined as `a() { return 'A'; }`");
     24 assert.sameValue(new C()[sym1](), 'B', "`new C()[sym1]()` returns `'B'`. Defined as `[sym1]() { return 'B'; }`");
     25 assert.sameValue(new C().c(), 'C', "`new C().c()` returns `'C'`. Defined as `c() { return 'C'; }`");
     26 assert.sameValue(new C()[sym2](), 'D', "`new C()[sym2]()` returns `'D'`. Defined as `[ID(sym2)]() { return 'D'; }`");
     27 assert.sameValue(Object.keys(C.prototype).length, 0, "No enum keys from C.prototype");
     28 assert.compareArray(
     29  Object.getOwnPropertyNames(C.prototype),
     30  ['constructor', 'a', 'c']
     31 );
     32 assert.compareArray(
     33  Object.getOwnPropertySymbols(C.prototype),
     34  [sym1, sym2]
     35 );
     36 
     37 reportCompare(0, 0);