summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.matchAll/not-a-constructor.js
blob: 03009bf3de8f4912e106c48cb3548b69fd4630b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-ecmascript-standard-built-in-objects
description: >
  RegExp.prototype[Symbol.matchAll] does not implement [[Construct]], is not new-able
info: |
  ECMAScript Function Objects

  Built-in function objects that are not identified as constructors do not
  implement the [[Construct]] internal method unless otherwise specified in
  the description of a particular function.

  sec-evaluatenew

  ...
  7. If IsConstructor(constructor) is false, throw a TypeError exception.
  ...
includes: [isConstructor.js]
features: [Reflect.construct, Symbol, Symbol.match, Symbol.matchAll, arrow-function]
---*/

assert.sameValue(
  isConstructor(RegExp.prototype[Symbol.matchAll]),
  false,
  'isConstructor(RegExp.prototype[Symbol.matchAll]) must return false'
);

assert.throws(TypeError, () => {
  let re = new RegExp(''); new re[Symbol.matchAll]();
}, '`let re = new RegExp(\'\'); new re[Symbol.matchAll]()` throws TypeError');


reportCompare(0, 0);