test262/test/built-ins/WeakMap/iterable-failure.js

20 lines
450 B
JavaScript

// 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({});
});