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// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.concat
description: >
TypeError is thrown if CreateDataProperty fails.
(result object's "0" is non-configurable, argument is non-spreadable)
info: |
Array.prototype.concat ( ...arguments )
[...]
5. Repeat, while items is not empty
[...]
c. If spreadable is true, then
[...]
d. Else,
[...]
iii. Perform ? CreateDataPropertyOrThrow(A, ! ToString(n), E).
[...]
CreateDataPropertyOrThrow ( O, P, V )
[...]
3. Let success be ? CreateDataProperty(O, P, V).
4. If success is false, throw a TypeError exception.
features: [Symbol.species]
---*/
var A = function(_length) {
Object.defineProperty(this, "0", {
set: function(_value) {},
configurable: false,
});
};
var arr = [];
arr.constructor = {};
arr.constructor[Symbol.species] = A;
assert.throws(TypeError, function() {
arr.concat(1);
}, 'arr.concat(1) throws a TypeError exception');
reportCompare(0, 0);
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