// 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-arraybuffer.isview description: > `isView` can be invoked as a function info: > 24.1.3.1 ArrayBuffer.isView ( arg ) 1. If Type(arg) is not Object, return false. 2. If arg has a [[ViewedArrayBuffer]] internal slot, return true. 3. Return false. features: [TypedArray, DataView] includes: [testTypedArray.js] ---*/ var isView = ArrayBuffer.isView; testWithTypedArrayConstructors(function(ctor) { var sample = new ctor(); assert.sameValue(isView(sample), true, "instance of TypedArray"); }); var dv = new DataView(new ArrayBuffer(1), 0, 0); assert.sameValue(isView(dv), true, "instance of DataView"); assert.sameValue(isView(), false, "undefined arg"); assert.sameValue(isView({}), false, "ordinary object");