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 32 try { 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 53 try { 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 65 gc(); 66
