1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --harmony-object-observe 6 // Flags: --allow-natives-syntax 7 8 // These tests are meant to ensure that that the Object.observe runtime 9 // functions are hardened. 10 11 var obj = {}; 12 %SetIsObserved(obj); 13 assertThrows(function() { 14 %SetIsObserved(obj); 15 }); 16 17 assertThrows(function() { 18 %SetIsObserved(this); 19 }); 20
