// 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.indexof description: search element is compared using strict comparing (===) info: | 22.2.3.13 %TypedArray%.prototype.indexOf (searchElement [ , fromIndex ] ) %TypedArray%.prototype.indexOf is a distinct function that implements the same algorithm as Array.prototype.indexOf as defined in 22.1.3.12 except that the this object's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length". 22.1.3.12 Array.prototype.indexOf ( searchElement [ , fromIndex ] ) ... 8. Repeat, while k < len ... b. If kPresent is true, then i. Let elementK be ? Get(O, ! ToString(k)). ii. Let same be the result of performing Strict Equality Comparison searchElement === elementK. iii. If same is true, return k. ... includes: [testTypedArray.js] features: [TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { var sample = new TA([42, 0, 1, undefined, NaN]); assert.sameValue(sample.indexOf("42"), -1, "'42'"); assert.sameValue(sample.indexOf([42]), -1, "[42]"); assert.sameValue(sample.indexOf(42.0), 0, "42.0"); assert.sameValue(sample.indexOf(-0), 1, "-0"); assert.sameValue(sample.indexOf(true), -1, "true"); assert.sameValue(sample.indexOf(false), -1, "false"); assert.sameValue(sample.indexOf(NaN), -1, "NaN === NaN is false"); assert.sameValue(sample.indexOf(null), -1, "null"); assert.sameValue(sample.indexOf(undefined), -1, "undefined"); assert.sameValue(sample.indexOf(""), -1, "empty string"); }); reportCompare(0, 0);