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'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');
};