From: Mikko Rasa <tdb@tdb.fi>
Date: Fri, 7 Jun 2013 16:17:19 +0000 (+0300)
Subject: Ensure that turnout tracks have a turnout id
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=2922bc5d2ba68979d186fd09df8b4ec6ba98402b;p=r2c2.git

Ensure that turnout tracks have a turnout id
---

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 51c73c2..ecb86bb 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -123,6 +123,8 @@ void Track::set_turnout_id(unsigned i)
 {
 	if(!type.is_turnout())
 		throw logic_error("not a turnout");
+	if(!i)
+		throw invalid_argument("Track::set_turnout_id");
 
 	turnout_id = i;
 	layout.create_blocks(*this);