// Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-%typedarray%.prototype.some description: Get "length" uses internal ArrayLength info: | 22.2.3.25 %TypedArray%.prototype.some ( callbackfn [ , thisArg ] ) %TypedArray%.prototype.some is a distinct function that implements the same algorithm as Array.prototype.some as defined in 22.1.3.24 except that the this object's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length". 22.1.3.24 Array.prototype.some ( callbackfn [ , thisArg ] ) 1. Let O be ? ToObject(this value). 2. Let len be ? ToLength(? Get(O, "length")). ... includes: [testBigIntTypedArray.js] features: [BigInt, TypedArray] ---*/ var getCalls = 0; var desc = { get: function getLen() { getCalls++; return 0; } }; Object.defineProperty(TypedArray.prototype, "length", desc); testWithBigIntTypedArrayConstructors(function(TA) { var sample = new TA([42n, 43n]); var calls = 0; Object.defineProperty(TA.prototype, "length", desc); Object.defineProperty(sample, "length", desc); sample.some(function() { calls++; }); assert.sameValue(getCalls, 0, "ignores length properties"); assert.sameValue(calls, 2, "iterations are not affected by custom length"); });