From 969af752adf121d42e6c1cc0998812a58d856f52 Mon Sep 17 00:00:00 2001
From: mattijs <mattijs>
Date: Tue, 10 Sep 2013 08:53:15 +0100
Subject: [PATCH] ENH: patchToPoly2DMesh: added some checking

---
 .../patchToPoly2DMesh/patchToPoly2DMesh.C     | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/patchToPoly2DMesh/patchToPoly2DMesh.C b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/patchToPoly2DMesh/patchToPoly2DMesh.C
index f2b78137ed..114b370641 100644
--- a/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/patchToPoly2DMesh/patchToPoly2DMesh.C
+++ b/applications/utilities/mesh/generation/extrude2DMesh/extrude2DMesh/patchToPoly2DMesh/patchToPoly2DMesh.C
@@ -303,6 +303,33 @@ Foam::patchToPoly2DMesh::~patchToPoly2DMesh()
 
 void Foam::patchToPoly2DMesh::createMesh()
 {
+    for (label edgeI = 0; edgeI < patch_.nInternalEdges(); edgeI++)
+    {
+        if (patch_.edgeFaces()[edgeI].size() != 2)
+        {
+            FatalErrorIn("patchToPoly2DMesh::patchToPoly2DMesh(..)")
+                << "internal edge:" << edgeI
+                << " patch.edgeFaces()[edgeI]:" << patch_.edgeFaces()[edgeI]
+                << abort(FatalError);
+        }
+    }
+
+    for
+    (
+        label edgeI = patch_.nInternalEdges();
+        edgeI < patch_.nEdges();
+        edgeI++
+    )
+    {
+        if (patch_.edgeFaces()[edgeI].size() != 1)
+        {
+            FatalErrorIn("patchToPoly2DMesh::patchToPoly2DMesh(..)")
+                << "boundary edge:" << edgeI
+                << " patch.edgeFaces()[edgeI]:" << patch_.edgeFaces()[edgeI]
+                << abort(FatalError);
+        }
+    }
+
     createPolyMeshComponents();
 
     label startFace = patch_.nInternalEdges();