// 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-map-iterable description: > The iterator is closed when `Map.prototype.set` throws an error. info: | Map ( [ iterable ] ) ... 9. Repeat ... k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»). l. If status is an abrupt completion, return IteratorClose(iter, status). features: [Symbol.iterator] ---*/ var count = 0; var iterable = {}; iterable[Symbol.iterator] = function() { return { next: function() { return { value: [], done: false }; }, return: function() { count += 1; } }; }; Map.prototype.set = function() { throw new Test262Error(); } assert.throws(Test262Error, function() { new Map(iterable); }); assert.sameValue(count, 1); reportCompare(0, 0);