Strict mode Passingnon-Strict mode Passing
Features:
- ∅
// 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")). 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). ---*/ var o1 = {}; Object.defineProperty(o1, 'length', { get: function() { throw new Test262Error(); }, configurable: true }); // predicate fn is given to avoid false positives assert.throws(Test262Error, function() { [].findIndex.call(o1, function() {}); }); var o2 = { length: { valueOf: function() { throw new Test262Error(); } } }; assert.throws(Test262Error, function() { [].findIndex.call(o2, function() {}); });