From dcf2da702dd786ebd19a9157fae6dee61f028a8d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20Tr=C3=B6ger?= <stefantroeger@gmx.net>
Date: Sun, 22 May 2016 13:04:29 +0200
Subject: [PATCH] FEM Post: Fix property unit test

---
 src/Mod/Fem/App/PropertyPostDataObject.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Mod/Fem/App/PropertyPostDataObject.cpp b/src/Mod/Fem/App/PropertyPostDataObject.cpp
index 25d5c9ebe..c543501c1 100644
--- a/src/Mod/Fem/App/PropertyPostDataObject.cpp
+++ b/src/Mod/Fem/App/PropertyPostDataObject.cpp
@@ -186,6 +186,9 @@ void PropertyPostDataObject::getPaths(std::vector<App::ObjectIdentifier> &paths)
 void PropertyPostDataObject::Save (Base::Writer &writer) const
 {
     std::string extension;
+    if(!m_dataObject)
+        return;
+    
     switch( m_dataObject->GetDataObjectType() ) {
         
         case VTK_POLY_DATA:
@@ -228,6 +231,9 @@ void PropertyPostDataObject::Save (Base::Writer &writer) const
 void PropertyPostDataObject::Restore(Base::XMLReader &reader)
 {
     reader.readElement("Data");
+    if(!reader.hasAttribute("file"))
+        return;
+    
     std::string file (reader.getAttribute("file") );
 
     if (!file.empty()) {