| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-weakmap.prototype.delete |
| description: Throws TypeError if `this` is not Object. |
| info: | |
| WeakMap.prototype.delete ( value ) |
| |
| 1. Let M be the this value. |
| 2. If Type(M) is not Object, throw a TypeError exception. |
| ---*/ |
| |
| assert.throws(TypeError, function() { |
| WeakMap.prototype.delete.call(0, {}); |
| }); |
| |
| assert.throws(TypeError, function() { |
| var map = new WeakMap(); |
| map.delete.call(0, {}); |
| }); |