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0027946: Out of range item access in offset algorithm

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Out of range access has been eliminated.
This commit is contained in:
aml 2016-10-10 15:08:36 +03:00 committed by apn
parent c4a2f61e57
commit d1d68ce714
3 changed files with 36 additions and 0 deletions
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2
src/BRepOffset/BRepOffset_Inter2d.cxx
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@ -1452,6 +1452,8 @@ void BRepOffset_Inter2d::ConnexIntByInt
TopoDS_Shape aLocalWire = W .Oriented(TopAbs_FORWARD); TopoDS_Shape aLocalWire = W .Oriented(TopAbs_FORWARD);
TopoDS_Shape aLocalFace = FI.Oriented(TopAbs_FORWARD); TopoDS_Shape aLocalFace = FI.Oriented(TopAbs_FORWARD);
wexp.Init(TopoDS::Wire(aLocalWire),TopoDS::Face(aLocalFace)); wexp.Init(TopoDS::Wire(aLocalWire),TopoDS::Face(aLocalFace));
if (!wexp.More())
continue; // Protection from case when explorer does not contain edges.
// wexp.Init(TopoDS::Wire(W .Oriented(TopAbs_FORWARD)), // wexp.Init(TopoDS::Wire(W .Oriented(TopAbs_FORWARD)),
// TopoDS::Face(FI.Oriented(TopAbs_FORWARD))); // TopoDS::Face(FI.Oriented(TopAbs_FORWARD)));
CurE = FirstE = wexp.Current(); CurE = FirstE = wexp.Current();

17
tests/bugs/modalg_6/bug27907 Normal file
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@ -0,0 +1,17 @@
puts "========"
puts "OCC27907"
puts "========"
puts ""
#################################################
# Exception during offset computation
#################################################
restore [locate_data_file bug27907.brep] s
# Perform test.
offsetparameter 1e-7 p i
offsetload s 10
offsetperform result
# Check result validity.
checkshape result

17
tests/bugs/modalg_6/bug27907_1 Normal file
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@ -0,0 +1,17 @@
puts "========"
puts "OCC27907"
puts "========"
puts ""
#################################################
# Exception during offset computation
#################################################
restore [locate_data_file bug27907_1.brep] s
# Perform test.
offsetparameter 1e-7 p i
offsetload s 10
offsetperform result
# Check result validity.
checkshape result