// 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-iterable description: > Return IteratorClose(iter, status) if fail on adding value on constructing. info: | WeakMap ( [ 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; } }; }; WeakMap.prototype.set = function() { throw new Test262Error(); }; assert.throws(Test262Error, function() { new WeakMap(iterable); }); assert.sameValue( count, 1, 'The iterator is closed when `WeakMap.prototype.set` throws an error.' ); reportCompare(0, 0);