From: mpv <mpv@opencascade.com>
Date: Wed, 18 Sep 2019 10:34:46 +0000 (+0300)
Subject: Fix the problem of unit-tests on copy of not-initialized the reference attribute.
X-Git-Tag: V9_4_0a2~4^2~82
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=342677f8b97c05be750aaf1bff1fa4b468c9056c;p=modules%2Fshaper.git

Fix the problem of unit-tests on copy of not-initialized the reference attribute.
---

diff --git a/src/Model/Model_Data.cpp b/src/Model/Model_Data.cpp
index dad2068da..10d11678d 100644
--- a/src/Model/Model_Data.cpp
+++ b/src/Model/Model_Data.cpp
@@ -810,6 +810,12 @@ static void copyAttrs(TDF_Label theSource, TDF_Label theDestination) {
     // no special relocation, empty map, but self-relocation is on: copy references w/o changes
     Handle(TDF_RelocationTable) aRelocTable = new TDF_RelocationTable(Standard_True);
     anAttrIter.Value()->Paste(aTargetAttr, aRelocTable);
+    // an exception: if a source reference refers itself, a copy must also refer itself
+    if (aTargetAttr->ID() == TDF_Reference::GetID()) {
+      Handle(TDF_Reference) aTargetRef = Handle(TDF_Reference)::DownCast(aTargetAttr);
+      if (aTargetRef->Get().IsEqual(anAttrIter.Value()->Label()))
+        aTargetRef->Set(aTargetRef->Label());
+    }
   }
   // copy the sub-labels content
   TDF_ChildIterator aSubLabsIter(theSource);