11510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// Copyright 2013 the V8 project authors. All rights reserved. 21510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 31510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// 41510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// Redistribution and use in source and binary forms, with or without 51510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// modification, are permitted provided that the following conditions 61510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// are met: 71510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// 1. Redistributions of source code must retain the above copyright 81510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// notice, this list of conditions and the following disclaimer. 91510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// 2. Redistributions in binary form must reproduce the above copyright 101510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// notice, this list of conditions and the following disclaimer in the 111510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// documentation and/or other materials provided with the distribution. 121510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// 131510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 141510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 151510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 161510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 171510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 181510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 191510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 201510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 211510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 221510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 231510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 241510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgdescription( 251510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org'Test prototypes of various objects and the various means to access them.' 261510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org); 271510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 281510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("('').__proto__", "String.prototype"); 291510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("(0).__proto__", "Number.prototype"); 301510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("([]).__proto__", "Array.prototype"); 311510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("({}).__proto__", "Object.prototype"); 321510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("(new Date).__proto__", "Date.prototype"); 331510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("(new Number).__proto__", "Number.prototype"); 341510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("(new Object).__proto__", "Object.prototype"); 351510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("(new String).__proto__", "String.prototype"); 361510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Array.prototype.__proto__", "Object.prototype"); 371510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Date.prototype.__proto__", "Object.prototype"); 381510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Number.prototype.__proto__", "Object.prototype"); 391510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.prototype.__proto__", "null"); 401510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("String.prototype.__proto__", "Object.prototype"); 411510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Array.__proto__", "Object.__proto__"); 421510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Date.__proto__", "Object.__proto__"); 431510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Number.__proto__", "Object.__proto__"); 441510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("String.__proto__", "Object.__proto__"); 451510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 461510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldThrow("Object.getPrototypeOf('')"); 471510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldThrow("Object.getPrototypeOf(0)"); 481510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf([])", "Array.prototype"); 491510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf({})", "Object.prototype"); 501510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(new Date)", "Date.prototype"); 511510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(new Number)", "Number.prototype"); 521510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(new Object)", "Object.prototype"); 531510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(new String)", "String.prototype"); 541510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Array.prototype)", "Object.prototype"); 551510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Date.prototype)", "Object.prototype"); 561510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Number.prototype)", "Object.prototype"); 571510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Object.prototype)", "null"); 581510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(String.prototype)", "Object.prototype"); 591510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Array)", "Object.__proto__"); 601510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Date)", "Object.__proto__"); 611510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(Number)", "Object.__proto__"); 621510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBe("Object.getPrototypeOf(String)", "Object.__proto__"); 631510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 641510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeFalse("String.prototype.isPrototypeOf('')"); 651510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeFalse("Number.prototype.isPrototypeOf(0)"); 661510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Array.prototype.isPrototypeOf([])"); 671510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf({})"); 681510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Date.prototype.isPrototypeOf(new Date)"); 691510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Number.prototype.isPrototypeOf(new Number)"); 701510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf(new Object)"); 711510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("String.prototype.isPrototypeOf(new String)"); 721510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf(Array.prototype)"); 731510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf(Date.prototype)"); 741510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf(Number.prototype)"); 751510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.prototype.isPrototypeOf(String.prototype)"); 761510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.__proto__.isPrototypeOf(Array)"); 771510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.__proto__.isPrototypeOf(Date)"); 781510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.__proto__.isPrototypeOf(Number)"); 791510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("Object.__proto__.isPrototypeOf(String)"); 801510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 811510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("var wasSet = false; var o = { }; o.__defineGetter__(\"__proto__\", function() { wasSet = true }); o.__proto__; wasSet;"); 821510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("var wasSet = false; var o = { }; o.__defineSetter__(\"__proto__\", function() { wasSet = true }); o.__proto__ = {}; wasSet;"); 831510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("var wasSet = false; var o = { }; Object.defineProperty(o, \"__proto__\", { \"get\": function() { wasSet = true } }); o.__proto__; wasSet;"); 841510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeFalse("var wasSet = false; var o = { }; Object.defineProperty(o, \"__proto__\", { \"__proto__\": function(x) { wasSet = true } }); o.__proto__ = {}; wasSet;"); 851510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 861510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org// Deleting Object.prototype.__proto__ removes the ability to set the object's prototype. 871510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("var o = {}; o.__proto__ = { x:true }; o.x"); 881510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeFalse("var o = {}; o.__proto__ = { x:true }; o.hasOwnProperty('__proto__')"); 891510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgdelete Object.prototype.__proto__; 901510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeUndefined("var o = {}; o.__proto__ = { x:true }; o.x"); 911510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.orgshouldBeTrue("var o = {}; o.__proto__ = { x:true }; o.hasOwnProperty('__proto__')"); 92