| // Copyright 2017 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. |
| |
| function set_x(v) { |
| x = v; |
| } |
| |
| var o = {}; |
| set_x(o); |
| set_x(o); |
| assertEquals(o, x); |
| Object.defineProperty(this, "x", { value:5, writable:false, configurable:true }); |
| assertEquals(5, x); |
| set_x(o); |
| set_x(o); |
| assertEquals(5, x); |
| Object.defineProperty(this, "x", { value:42, writable:true, configurable:true }); |
| assertEquals(42, x); |
| set_x(o); |
| assertEquals(o, x); |
