ary-ptrn-elision-step-err.case

// Copyright (C) 2016 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
//- teardown
iter.next();
assert.sameValue(following, 0, 'Iterator was properly closed.');