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// Copyright (C) 2017 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 used
template: default
info: |
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPattern Initializer_opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
features: [generators]
---*/
//- setup
var initCount = 0;
var iterCount = 0;
var iter = function*() { iterCount += 1; }();
//- elems
[[] = function() { initCount += 1; return iter; }()]
//- vals
[]
//- body
assert.sameValue(initCount, 1);
assert.sameValue(iterCount, 0);
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