19085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Copyright 2008 the V8 project authors. All rights reserved. 29085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Redistribution and use in source and binary forms, with or without 39085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// modification, are permitted provided that the following conditions are 49085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// met: 59085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// 69085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// * Redistributions of source code must retain the above copyright 79085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// notice, this list of conditions and the following disclaimer. 89085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// * Redistributions in binary form must reproduce the above 99085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// copyright notice, this list of conditions and the following 109085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// disclaimer in the documentation and/or other materials provided 119085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// with the distribution. 129085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// * Neither the name of Google Inc. nor the names of its 139085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// contributors may be used to endorse or promote products derived 149085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// from this software without specific prior written permission. 159085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// 169085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 179085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 189085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 199085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 209085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 219085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 229085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 239085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 249085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 259085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 269085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 279085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 289085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Flags: --allow-natives-syntax 299085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 309085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Test for http://code.google.com/p/v8/issues/detail?id=334 319085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 329085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgvar READ_ONLY = 1; 339085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgvar DONT_ENUM = 2; 349085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgvar DONT_DELETE = 4; 359085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 369085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgfunction func1(){} 379085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgfunction func2(){} 389085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 399085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgvar object = {__proto__:{}}; 409bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(object, "foo", func1, DONT_ENUM | DONT_DELETE); 419bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(object, "bar", func1, DONT_ENUM | READ_ONLY); 429bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(object, "baz", func1, DONT_DELETE | READ_ONLY); 439bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org%AddNamedProperty(object.__proto__, "bif", func1, DONT_ENUM | DONT_DELETE); 449085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgobject.bif = func2; 459085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 469085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgfunction enumerable(obj) { 479085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org var res = []; 489085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org for (var i in obj) { 499085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org res.push(i); 509085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org } 519085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org res.sort(); 529085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org return res; 539085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org} 549085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 559085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Sanity check: expected initial state. 569085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["baz", "bif"], enumerable(object), "enum0"); 579085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertFalse(delete object.foo, "delete foo"); 589085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertFalse(delete object.baz, "delete baz"); 599085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.foo, "read foo"); 609085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.bar, "read bar"); 619085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.baz, "read baz"); 629085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func2, object.bif, "read bif"); 639085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 649085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Can't assign to READ_ONLY. 659085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgobject.bar = "NO WAY"; 669085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.bar, "read bar 2"); 679085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["baz", "bif"], enumerable(object), "enum1"); 689085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 699085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Assignment to non-readonly. Assignment shouldn't change attributes! 709085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgobject.foo = func2; 719085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["baz", "bif"], enumerable(object), "enum2"); 729085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertFalse(delete object.foo, "delete foo 2"); 739085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 749085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Delete should erase attributes if value set again. 759085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertTrue(delete object.bar, "delete bar"); 769085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertFalse("bar" in object, "has bar"); 779085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgobject.bar = func2; 789085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertTrue("bar" in object, "has bar 2"); 799085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func2, object.bar, "read bar 3"); 809085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 819085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["bar", "baz", "bif"], enumerable(object), "enum3"); 829085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 839085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Unshadowing a prototype property exposes its attributes. 849085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertTrue(delete object.bif, "delete bif"); 859085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["bar", "baz"], enumerable(object), "enum4"); 869085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.bif, "read bif 2"); 879085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org// Can't delete prototype property. 889085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertTrue(delete object.bif, "delete bif 2"); 899085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertArrayEquals(["bar", "baz"], enumerable(object), "enum5"); 909085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgassertEquals(func1, object.bif, "read bif3"); 91