test262/src/dstr-binding/ary-ptrn-rest-ary-rest.case
2016-05-10 11:51:44 -04:00

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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
template: default
desc: Rest element containing a rest element
info: |
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
//- setup
var values = [1, 2, 3];
//- elems
[...[...x]]
//- vals
values
//- body
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 1);
assert.sameValue(x[1], 2);
assert.sameValue(x[2], 3);
assert.notSameValue(x, values);