test262/test/built-ins/WeakMap/symbol-disallowed-as-weakma...

15 lines
373 B
JavaScript

// Copyright (C) Copyright 2013 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.3.3.5_S2
description: >
Symbol may not be used as a WeakMap key
features: [WeakMap]
---*/
var weakmap = new WeakMap();
var sym = Symbol();
assert.throws(TypeError, function() {
weakmap.set(sym, 1);
});