From d22b135217f55bec86f9c21fc4bcf519cdcc9256 Mon Sep 17 00:00:00 2001 From: dpasukhi Date: Wed, 11 Jan 2023 11:29:08 +0000 Subject: [PATCH] 0033307: Data Exchange, Step Import - Crash after reading empty edge loop Fixed problem with empty edge list in the edge loop, mark as a fail entity in this case --- src/RWStepShape/RWStepShape_RWEdgeLoop.cxx | 5 +++++ tests/bugs/step/bug33307 | 11 +++++++++++ 2 files changed, 16 insertions(+) create mode 100644 tests/bugs/step/bug33307 diff --git a/src/RWStepShape/RWStepShape_RWEdgeLoop.cxx b/src/RWStepShape/RWStepShape_RWEdgeLoop.cxx index dd0097813b..f6cc79a34f 100644 --- a/src/RWStepShape/RWStepShape_RWEdgeLoop.cxx +++ b/src/RWStepShape/RWStepShape_RWEdgeLoop.cxx @@ -106,6 +106,11 @@ void RWStepShape_RWEdgeLoop::Check Standard_Boolean headToTail = Standard_True; //Standard_Boolean noIdentVtx = Standard_True; //szv#4:S4163:12Mar99 unused Standard_Integer nbEdg = ent->NbEdgeList(); + if (nbEdg == 0) + { + ach->AddFail("Edge loop contains empty edge list"); + return; + } Handle(StepShape_OrientedEdge) theOE = ent->EdgeListValue(1); Handle(StepShape_Vertex) theVxFrst = theOE->EdgeStart(); Handle(StepShape_Vertex) theVxLst = theOE->EdgeEnd(); diff --git a/tests/bugs/step/bug33307 b/tests/bugs/step/bug33307 new file mode 100644 index 0000000000..feeb6be869 --- /dev/null +++ b/tests/bugs/step/bug33307 @@ -0,0 +1,11 @@ +puts "===================================================" +puts "0033307: Data Exchange, Step Import - Crash after reading empty edge loop" +puts "===================================================" +puts "" + +pload XDE OCAF + +Close D -silent + +ReadStep D [locate_data_file "bug33307.stp"] +Close D