// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
description: >
    The Initializer should only be evaluated if v is undefined.
es6id: 12.14.5.3
---*/

var result, value, x, flag;

value = [];
flag = false;
result = [ x = flag = true ] = value;
assert.sameValue(result, value);
assert.sameValue(x, true);
assert.sameValue(flag, true);

value = [14];
flag = false;
result = [ x = flag = true ] = value;
assert.sameValue(result, value);
assert.sameValue(x, 14);
assert.sameValue(flag, false);