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// Copyright (c) 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/*---
esid: sec-array.prototype.concat
description: Array.prototype.concat array like primitive non number length
includes: [compareArray.js]
features: [Symbol.isConcatSpreadable]
---*/
var obj = {
"1": "A",
"3": "B",
"5": "C"
};
obj[Symbol.isConcatSpreadable] = true;
obj.length = {
toString: function() {
return "SIX";
},
valueOf: null
};
assert.compareArray([].concat(obj), [], '[].concat({"1": "A", "3": "B", "5": "C"}) must return []');
obj.length = {
toString: null,
valueOf: function() {
return "SIX";
}
};
assert.compareArray([].concat(obj), [], '[].concat({"1": "A", "3": "B", "5": "C"}) must return []');
reportCompare(0, 0);
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