static void CheckParents(LoggerBuilderCollection builders,
LoggerBuilder lb, Logger logger) {
if (lb.ComputeParent(null).Length == 0) {
return;
}
HashSet<string> ancestors = new HashSet<string>();
LoggerBuilder current = lb;
StringBuilder forwards = new StringBuilder(current.Name);
while (current != null) {
if (!ancestors.Add(current.ComputeName())) {
Traceables.DetectedCycleInLogParents(forwards.ToString());
logger.ForwardToParentBlocked = true;
break;
}
string parent = current.ComputeParent(null);
if (parent.Length == 0)
break;
// Detect missing parents
current = builders[parent];
if (current == null) {
Traceables.MissingParentLoggerReference(lb.Name);
break;
}
forwards.Append(" -> " + parent);
}
}
public void clear_restores_default_root()
{
LoggerBuilderCollection unit = new LoggerBuilderCollection();
unit.Clear();
Assert.True(unit.Contains("root"));
}
public void cannot_remove_root()
{
LoggerBuilderCollection unit = new LoggerBuilderCollection();
unit.Remove("root");
}
