// Copyright (C) 2020 Alexey Shvayka. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-%typedarray%.prototype.lastindexof description: > If `searchElement` is not supplied, -1 is returned. info: | %TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) %TypedArray%.prototype.lastIndexOf is a distinct function that implements the same algorithm as Array.prototype.lastIndexOf as defined in 22.1.3.17 except that the this value's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length". Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] ) [...] 8. Return -1. includes: [testTypedArray.js] features: [TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { var ta1 = new TA(); assert.sameValue(ta1.lastIndexOf(), -1); var ta2 = new TA([0, 1, 2]); assert.sameValue(ta2.lastIndexOf(), -1); }); reportCompare(0, 0);