// 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.slice description: Use internal ArrayLength instead of getting a length property info: | 22.2.3.24 %TypedArray%.prototype.slice ( start, end ) ... 3. Let len be the value of O's [[ArrayLength]] internal slot. ... includes: [testTypedArray.js] features: [TypedArray] ---*/ var getCalls = 0; var desc = { get: function getLen() { getCalls++; return 0; } }; Object.defineProperty(TypedArray.prototype, "length", desc); testWithTypedArrayConstructors(function(TA) { var sample = new TA([42, 43]); Object.defineProperty(TA.prototype, "length", desc); Object.defineProperty(sample, "length", desc); var result = sample.slice(); assert.sameValue(getCalls, 0, "ignores length properties"); assert.sameValue(result[0], 42); assert.sameValue(result[1], 43); assert.sameValue(result.hasOwnProperty(2), false); }); reportCompare(0, 0);