JSTests/ChakraCore/test/typedarray/arraybuffer.js

//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------

WScript.Echo("new ArrayBuffer without argument");
var a = new ArrayBuffer();
WScript.Echo(a.byteLength);
a.byteLength = 999;
WScript.Echo(a.byteLength);

WScript.Echo("new ArrayBuffer with ulong argument");
var b = new ArrayBuffer(8);
WScript.Echo(b.byteLength);
b.byteLength = 999;
WScript.Echo(b.byteLength);

WScript.Echo("new ArrayBuffer with multiple arguments");
var c = new ArrayBuffer(9, 10, 11);
WScript.Echo(c.byteLength);
c.byteLength = 999;
WScript.Echo(c.byteLength);

WScript.Echo("new ArrayBuffer with string argument");
var d = new ArrayBuffer('20');
WScript.Echo(d.byteLength);
d.byteLength = 999;
WScript.Echo(d.byteLength);

WScript.Echo("new ArrayBuffer with invalid string argument");
var e = new ArrayBuffer('hello');
WScript.Echo(e.byteLength);
e.byteLength = 999;
WScript.Echo(e.byteLength);

WScript.Echo(e.toString());

WScript.Echo("a instanceof ArrayBuffer" + a instanceof ArrayBuffer);

for (i in d) {
WScript.Echo(i); 
}


WScript.Echo("arraybuffer.prototype")
var f = Object.getPrototypeOf(e);
var g = new f.constructor(20);
WScript.Echo(g)
WScript.Echo(g.byteLength);
WScript.Echo(typeof f);

WScript.Echo(ArrayBuffer.prototype[10]);
WScript.Echo(ArrayBuffer.prototype[-1]);
WScript.Echo(ArrayBuffer.prototype[2]);
ArrayBuffer.prototype[2] = 10;
WScript.Echo(ArrayBuffer.prototype[2]);