test262/src/dstr-assignment/array-elem-iter-nrml-close-skip.case
2019-08-05 10:54:37 -04:00

43 lines
942 B
Plaintext

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
IteratorClose is not called when assignment evaluation has exhausted the
iterator
info: |
ArrayAssignmentPattern : [ AssignmentElementList ]
[...]
5. If iteratorRecord.[[done]] is false, return IteratorClose(iterator, result).
6. Return result.
features: [Symbol.iterator]
template: default
esid: sec-runtime-semantics-destructuringassignmentevaluation
---*/
//- setup
var nextCount = 0;
var returnCount = 0;
var _;
var iterable = {};
var iterator = {
next: function() {
nextCount += 1;
return { done: true };
},
return: function() {
returnCount += 1;
return {};
}
};
iterable[Symbol.iterator] = function() {
return iterator;
};
//- elems
[ _ ]
//- vals
iterable
//- body
assert.sameValue(nextCount, 1);
assert.sameValue(returnCount, 0);