Fix crashing test

m-kuhn · m-kuhn · commit 48b55a71d339 · 2017-05-02T19:11:34.000+02:00
diff --git a/src/core/qgsexpression.cpp b/src/core/qgsexpression.cpp
@@ -2907,7 +2907,9 @@ static QVariant fcnOrderParts( const QVariantList &values, const QgsExpressionCo
     return values.at( 0 );
 
   QString expString = getStringValue( values.at( 1 ), parent );
-  QVariant cachedExpression = ctx->cachedValue( expString );
+  QVariant cachedExpression;
+  if ( ctx )
+    cachedExpression = ctx->cachedValue( expString );
   QgsExpression expression;
 
   if ( cachedExpression.isValid() )
