1// Copyright 2011 the V8 project authors. All rights reserved. 2// Redistribution and use in source and binary forms, with or without 3// modification, are permitted provided that the following conditions are 4// met: 5// 6// * Redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer. 8// * Redistributions in binary form must reproduce the above 9// copyright notice, this list of conditions and the following 10// disclaimer in the documentation and/or other materials provided 11// with the distribution. 12// * Neither the name of Google Inc. nor the names of its 13// contributors may be used to endorse or promote products derived 14// from this software without specific prior written permission. 15// 16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28// Flags: --expose-gc 29 30// Verify that JSObject::PreventExtensions works for arguments objects. 31 32try { 33 function make_watcher(name) { } 34 var o, p; 35 function f(flag) { 36 if (flag) { 37 o = arguments; 38 } else { 39 p = arguments; 40 o.watch(0, (arguments-1901)('o')); 41 p.watch(0, make_watcher('p')); 42 p.unwatch(0); 43 o.unwatch(0); 44 p[0] = 4; 45 assertEq(flag, 4); 46 } 47 } 48 f(true); 49 f(false); 50 reportCompare(true, true); 51} catch(exc1) { } 52 53try { 54 function __noSuchMethod__() { 55 if (anonymous == "1") 56 return NaN; 57 return __construct__; 58 } 59 f.p = function() { }; 60 Object.freeze(p); 61 new new freeze().p; 62 reportCompare(0, 0, "ok"); 63} catch(exc2) { } 64 65gc(); 66