knplabs/Gaufrette — pull request #28 by qpleple (2011-11-10 07:11:02+00:00)
Title: Define variable before testing it

If the adapter has no method ``listDirectory``, variable ``$listing`` is undefined and next test crashes :

```
[ErrorException]
Notice: Undefined variable: listing in /path/to/vendor/gaufrette/src/Gaufrette/Filesystem.php line 150
```