// Copyright 2014 the V8 project authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
// Flags: --harmony-object-observe | |
// Flags: --allow-natives-syntax | |
// These tests are meant to ensure that that the Object.observe runtime | |
// functions are hardened. | |
var obj = {}; | |
%SetIsObserved(obj); | |
assertThrows(function() { | |
%SetIsObserved(obj); | |
}); | |
assertThrows(function() { | |
%SetIsObserved(this); | |
}); |