// Copyright (C) 2017 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- desc: Elision advances iterator and forwards abrupt completions template: error info: | 13.3.3.6 Runtime Semantics: IteratorBindingInitialization ArrayBindingPattern : [ Elision ] 1. Return the result of performing IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord as the argument. 12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation Elision : , 1. If iteratorRecord.[[done]] is false, then a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). features: [generators] ---*/ //- setup var following = 0; var iter = function* () { throw new Test262Error(); following += 1; }(); //- elems [,] //- vals iter //- error Test262Error //- rejectBody assert.sameValue(following, 0, "iterator is properly closed");