git.r.bdr.sh - rbdr/dotfiles/blob - atom/packages/vim-mode/node_modules/grim/node_modules/emissary/node_modules/es6-weak-map/node_modules/es6-symbol/test/polyfill.js

   1 'use strict';
   2
   3 var d        = require('d')
   4   , isSymbol = require('../is-symbol')
   5
   6   , defineProperty = Object.defineProperty;
   7
   8 module.exports = function (T, a) {
   9         var symbol = T('test'), x = {};
  10         defineProperty(x, symbol, d('foo'));
  11         a(x.test, undefined, "Name");
  12         a(x[symbol], 'foo', "Get");
  13         a(x instanceof T, false);
  14
  15         a(isSymbol(symbol), true, "Symbol");
  16         a(isSymbol(T.iterator), true, "iterator");
  17         a(isSymbol(T.toStringTag), true, "toStringTag");
  18
  19         x = {};
  20         x[symbol] = 'foo';
  21         a.deep(Object.getOwnPropertyDescriptor(x, symbol), { configurable: true, enumerable: false,
  22                 value: 'foo', writable: true });
  23         symbol = T.for('marko');
  24         a(isSymbol(symbol), true);
  25         a(T.for('marko'), symbol);
  26         a(T.keyFor(symbol), 'marko');
  27 };