// 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: > Return abrupt from next iterator step. info: > 23.3.1.1 WeakMap ( [ iterable ] ) ... 9. Repeat a. Let next be IteratorStep(iter). b. ReturnIfAbrupt(next). ... ---*/ var iterable = {}; iterable[Symbol.iterator] = function() { return { next: function() { throw new Test262Error(); } }; }; assert.throws(Test262Error, function() { new WeakMap(iterable); });