From 59b0d164889aedcda06bc7e5fcc87912c105dc24 Mon Sep 17 00:00:00 2001
From: Marius Kintel <marius@kintel.net>
Date: Sun, 4 Sep 2011 23:20:50 +0200
Subject: bugfix: Don't try to export empty polyhedrons


diff --git a/tests/cgaltest.cc b/tests/cgaltest.cc
index f2fc169..a882638 100644
--- a/tests/cgaltest.cc
+++ b/tests/cgaltest.cc
@@ -170,9 +170,10 @@ int main(int argc, char **argv)
 	CGAL_Nef_polyhedron N = cgalevaluator.evaluateCGALMesh(*root_node);
 
 	QDir::setCurrent(original_path.absolutePath());
-	QTextStream outstream(stdout);
-	export_stl(&N, outstream, NULL);
-
+	if (!N.empty()) {
+		QTextStream outstream(stdout);
+		export_stl(&N, outstream, NULL);
+	}
 	destroy_builtin_functions();
 	destroy_builtin_modules();
 
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