summaryrefslogtreecommitdiffstats
path: root/js/src/tests/test262/built-ins/Array/prototype/findIndex/return-abrupt-from-this-length-as-symbol.js
blob: 388477024285dc371f977478b2d21e9101f0e227 (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
// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.findindex
description: >
  Return abrupt from ToLength(Get(O, "length")) where length is a Symbol.
info: |
  22.1.3.9 Array.prototype.findIndex ( predicate[ , thisArg ] )

  1. Let O be ToObject(this value).
  2. ReturnIfAbrupt(O).
  3. Let len be ToLength(Get(O, "length")).
  4. ReturnIfAbrupt(len).
  ...
features: [Symbol]
---*/

var o = {};

o.length = Symbol(1);

// predicate fn is given to avoid false positives
assert.throws(TypeError, function() {
  [].findIndex.call(o, function() {});
});

reportCompare(0, 0);