| // Copyright (C) 2015 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| es6id: 23.3.1.1 | |
| description: > | |
| If the iterable argument is undefined, return new WeakMap object. | |
| info: > | |
| 23.3.1.1 WeakMap ( [ iterable ] ) | |
| ... | |
| 7. Else, | |
| d. Let iter be GetIterator(iterable). | |
| e. ReturnIfAbrupt(iter). | |
| ... | |
| ---*/ | |
| assert.throws(TypeError, function() { | |
| new WeakMap({}); | |
| }); |