diff -r cd88f4b7cba0 -r c5c09cfde63a bin/ai/regression/regression.nut
--- a/bin/ai/regression/regression.nut	Sat Apr 14 19:20:17 2007 +0000
+++ b/bin/ai/regression/regression.nut	Sat Apr 14 20:01:25 2007 +0000
@@ -303,6 +303,25 @@
 	print("  GetSignCount():    " + sign.GetSignCount());
 }
 
+function Regression::TileList()
+{
+	local list = AITileList();
+
+	print("");
+	print("--TileList--");
+	print("  Count():             " + list.Count());
+	list.AddRectangle(33410 - 256 * 2, 256 * 2 + 33410 + 8);
+	print("  Count():             " + list.Count());
+	list.Valuate(AITileListBuildable());
+	list.KeepValue(1);
+	print("  KeepAboveValue(1):   done");
+	print("  Count():             " + list.Count());
+	print("  ListDump:");
+	for (local i = list.Begin(); list.HasNext(); i = list.Next()) {
+		print("    " + i + " => " + list.GetValue(i));
+	}
+}
+
 function Regression::Town()
 {
 	local town = AITown();
@@ -418,6 +437,7 @@
 	this.List();
 	this.Road();
 	this.Sign();
+	this.TileList();
 	this.Town();
 	this.TownList();
 	this.Vehicle();