mirror of https://github.com/tc39/test262.git
Add Array#map non-extensible test
This commit is contained in:
parent
1f7a0be6f5
commit
10ead92024
|
@ -0,0 +1,39 @@
|
|||
// 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.map
|
||||
description: >
|
||||
TypeError is thrown if CreateDataProperty fails.
|
||||
(result object is non-extensible)
|
||||
info: |
|
||||
Array.prototype.map ( callbackfn [ , thisArg ] )
|
||||
|
||||
[...]
|
||||
6. Repeat, while k < len
|
||||
[...]
|
||||
c. If kPresent is true, then
|
||||
[...]
|
||||
iii. Perform ? CreateDataPropertyOrThrow(A, Pk, mappedValue).
|
||||
[...]
|
||||
|
||||
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) {
|
||||
this.length = 0;
|
||||
Object.preventExtensions(this);
|
||||
};
|
||||
|
||||
var arr = [1];
|
||||
arr.constructor = {};
|
||||
arr.constructor[Symbol.species] = A;
|
||||
|
||||
assert.throws(TypeError, function() {
|
||||
arr.map(function() {});
|
||||
});
|
Loading…
Reference in New Issue