// Copyright 2013 the V8 project authors. All rights reserved.
// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
//
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description(
"This tests that isPrototypeOf works according to the ECMA spec."
);

shouldBeFalse("Object.isPrototypeOf('string')");
shouldBeTrue("Array.prototype.isPrototypeOf(new Array())");

function ObjectA() { }
function ObjectB() { }
ObjectB.prototype = new ObjectA();
var objb = new ObjectB();
shouldBeTrue("ObjectA.prototype.isPrototypeOf(objb)");

function ObjectC() {}
ObjectC.prototype = new ObjectB();
var objc = new ObjectC();
shouldBeTrue("ObjectA.prototype.isPrototypeOf(objc)");