From 9443cf8ec48fdc138ad5359b5adc7dbddcf617ca Mon Sep 17 00:00:00 2001
From: dpasukhi <dpasukhi@opencascade.com>
Date: Fri, 3 Sep 2021 14:42:02 +0300
Subject: [PATCH] 0032556: Data Exchange - A toroidal part of solid is
 corrupted while writing or reading STEP file

Fix STEP writing Wire for periodic surface
---
 .../TopoDSToStep_MakeStepWire.cxx             |  4 +--
 tests/bugs/step/bug25989                      |  2 --
 tests/bugs/step/bug32556                      | 30 +++++++++++++++++++
 3 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 tests/bugs/step/bug32556

diff --git a/src/TopoDSToStep/TopoDSToStep_MakeStepWire.cxx b/src/TopoDSToStep/TopoDSToStep_MakeStepWire.cxx
index b5176d2d7f..5ee5a6e124 100644
--- a/src/TopoDSToStep/TopoDSToStep_MakeStepWire.cxx
+++ b/src/TopoDSToStep/TopoDSToStep_MakeStepWire.cxx
@@ -197,8 +197,8 @@ void TopoDSToStep_MakeStepWire::Init(const TopoDS_Wire& aWire,
 
 //#11 ItW.Init(ForwardWire, aTool.CurrentFace());
 //#11 for (;ItW.More();ItW.Next()) {
-    Handle(ShapeFix_Wire) STW = new ShapeFix_Wire;
-    STW->Load (ForwardWire);
+    Handle(ShapeFix_Wire) STW =
+      new ShapeFix_Wire(ForwardWire, aTool.CurrentFace(), Precision::Confusion());
     STW->FixReorder();
     Handle(ShapeExtend_WireData) sbwd = STW->WireData();
     Standard_Integer nb = sbwd->NbEdges();
diff --git a/tests/bugs/step/bug25989 b/tests/bugs/step/bug25989
index efcc5f47a1..4d4651ed1e 100644
--- a/tests/bugs/step/bug25989
+++ b/tests/bugs/step/bug25989
@@ -1,5 +1,3 @@
-puts "TODO OCC25989 ALL: Error : The volume of result shape is"
-
 puts "========"
 puts "OCC25989"
 puts "========"
diff --git a/tests/bugs/step/bug32556 b/tests/bugs/step/bug32556
new file mode 100644
index 0000000000..05aba8e6c8
--- /dev/null
+++ b/tests/bugs/step/bug32556
@@ -0,0 +1,30 @@
+puts "========================"
+puts "0032556: Data Exchange - A toroidal part of solid is corrupted while writing or reading STEP file"
+puts "========================"
+
+# Create fused shape
+ptorus a1 5 3
+plane pp 5 0 -5
+pcylinder a2 pp 2 10
+bfuse a a1 a2 
+
+# Write fused shape
+testwritestep ${imagedir}/${casename}.stp a
+# Read fused shape
+testreadstep ${imagedir}/${casename}.stp res
+
+file delete ${imagedir}/${casename}.stp
+
+# Check fused shape
+checkshape res f
+checknbshapes res -edge 12 -vertex 7
+checkprops res -s 649.9
+
+# Display result fused shape
+clear
+smallview
+donly res
+isos res 0
+fit
+isos res 2
+checkview -screenshot -2d -path ${imagedir}/${test_image}.png