src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28

// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: BindingElement with array binding pattern and initializer is not used
template: default
info: |
    13.3.3.6 Runtime Semantics: IteratorBindingInitialization

    BindingElement : BindingPatternInitializer opt

    1. If iteratorRecord.[[done]] is false, then
       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
       [...]
       e. Else,
          i. Let v be IteratorValue(next).
          [...]
    4. Return the result of performing BindingInitialization of BindingPattern
       with v and environment as the arguments.
---*/

//- setup
var initCount = 0;
//- elems
[[] = function() { initCount += 1; }()]
//- vals
[[23]]
//- body
assert.sameValue(initCount, 0);