babel/packages/babel-preset-es2015/test/fixtures/traceur/Symbol/GetOwnPropertySymbols.js

var s1 = Symbol();
var s2 = Symbol();
var object = {a: 'a'};
object[s1] = 's1';
object.b = 'b';
object[s2] = 's2';
assertArrayEquals([s1, s2], Object.getOwnPropertySymbols(object));