�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` 'use strict'; // eslint-disable-next-line consistent-return module.exports = function runSymbolTests(t) { t.equal(typeof Symbol, 'function', 'global Symbol is a function'); if (typeof Symbol !== 'function') { return false; } t.notEqual(Symbol(), Symbol(), 'two symbols are not equal'); /* t.equal( Symbol.prototype.toString.call(Symbol('foo')), Symbol.prototype.toString.call(Symbol('foo')), 'two symbols with the same description stringify the same' ); */ /* var foo = Symbol('foo'); t.notEqual( String(foo), String(Symbol('bar')), 'two symbols with different descriptions do not stringify the same' ); */ t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function'); // t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol'); t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function'); var obj = {}; var sym = Symbol('test'); var symObj = Object(sym); t.notEqual(typeof sym, 'string', 'Symbol is not a string'); t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly'); t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly'); var symVal = 42; obj[sym] = symVal; // eslint-disable-next-line no-restricted-syntax for (sym in obj) { t.fail('symbol property key was found in for..in of object'); } t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object'); t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object'); t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object'); t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable'); t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), { configurable: true, enumerable: true, value: 42, writable: true }, 'property descriptor is correct'); };