/**
* Recursively collect classes from the supplied directory
*
* @param arg the directory to search in
* @param out output
* @param ptrn the pattern (regexp) to filter found files
*/
private static void collectTests(File root, File arg, List<String> out, String ptrn) {
if (arg.isDirectory()) {
for (File f : arg.listFiles()) {
collectTests(root, f, out, ptrn);
}
} else {
String path = arg.GetAbsolutePath();
String prefix = root.GetAbsolutePath();
String cls = path.Substring(prefix.Length + 1).Replace(File.separator, ".");
if(cls.matches(ptrn)) out.Add(cls);
}
}