add test for primitive wrapper objects

This commit is contained in:
Michael Ficarra 2024-11-21 17:03:19 -07:00 committed by Philip Chimento
parent 490463d485
commit a12abf58af
1 changed files with 43 additions and 0 deletions

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// Copyright (C) 2024 Michael Ficarra. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-iterator.concat
description: >
Does not throw an error for iterable primitive wrapper objects
info: |
Iterator.concat ( ...items )
1. Let iterables be a new empty List.
2. For each element item of items, do
a. If item is not an Object, throw a TypeError exception.
...
features: [iterator-sequencing]
---*/
let desc = {
value: function() {
return {
next: function() {
return { done: true, value: undefined };
},
};
},
writable: false,
enumerable: false,
configurable: true,
};
Object.defineProperty(Boolean.prototype, Symbol.iterator, desc);
Object.defineProperty(Number.prototype, Symbol.iterator, desc);
Object.defineProperty(BigInt.prototype, Symbol.iterator, desc);
// NOTE: String.prototype already has a Symbol.iterator property
Object.defineProperty(Symbol.prototype, Symbol.iterator, desc);
Iterator.concat(
Object(true),
Object(123),
Object(123n),
Object("test"),
Object(Symbol()),
).next();