| //------------------------------------------------------------------------------------------------------- |
| // Copyright (C) Microsoft. All rights reserved. |
| // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information. |
| //------------------------------------------------------------------------------------------------------- |
| |
| // Make sure we invalidate missing property caches, if the property is shadowed on the instance. |
| var o = {}; |
| var v; |
| |
| function test() { |
| v = o.a; |
| WScript.Echo("v = " + o.a); |
| } |
| |
| // Run once, walk the proto chain on the slow path not finding property v anywhere, cache it. |
| test(); |
| // Retrieve the value of v (undefined) from the missing property cache. |
| test(); |
| // Now add the property to the object, which should invalidate the cache. |
| o.a = 0; |
| // Verify we get the new value now. |
| test(); |
| |
