// 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.splice
description: >
TypeError is thrown if CreateDataProperty fails.
(result object's "0" is non-configurable)
info: |
Array.prototype.splice ( start, deleteCount, ...items )
[...]
11. Repeat, while k < actualDeleteCount
[...]
c. If fromPresent is true, then
[...]
ii. Perform ? CreateDataPropertyOrThrow(A, ! ToString(k), fromValue).
[...]
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", {
writable: true,
configurable: false,
});
};
var arr = [1];
arr.constructor = {};
arr.constructor[Symbol.species] = A;
assert.throws(TypeError, function() {
arr.splice(0);
});