// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- desc: > Abrupt completion returned from IteratorClose info: | ArrayAssignmentPattern : [ Elision ] 1. Let iterator be GetIterator(value). [...] 5. If iteratorRecord.[[done]] is false, return IteratorClose(iterator, result). 6. Return result. features: [Symbol.iterator] template: error es6id: 12.14.5.2 esid: sec-runtime-semantics-destructuringassignmentevaluation ---*/ //- setup var nextCount = 0; var returnCount = 0; var iterable = {}; var iterator = { next: function() { nextCount += 1; // Set an upper-bound to limit unnecessary iteration in non-conformant // implementations return { done: nextCount > 10 }; }, return: function() { returnCount += 1; throw new Test262Error(); } }; iterable[Symbol.iterator] = function() { return iterator; }; //- error Test262Error //- elems [ , ] //- vals iterable //- teardown assert.sameValue(nextCount, 1); assert.sameValue(returnCount, 1);