--- /dev/null
+## Copyright (C) 2018-20xx CEA/DEN, EDF R&D
+##
+## This library is free software; you can redistribute it and/or
+## modify it under the terms of the GNU Lesser General Public
+## License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+## Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public
+## License along with this library; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##
+## See http:##www.salome-platform.org/ or
+## email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+##
+
+from salome.shaper import model
+import math
+
+model.begin()
+partSet = model.moduleDocument()
+Part_1 = model.addPart(partSet)
+Part_1_doc = Part_1.document()
+ParamR = model.addParameter(Part_1_doc, "R", "100")
+Sketch_1 = model.addSketch(Part_1_doc, model.defaultPlane("XOY"))
+SketchArc_1 = Sketch_1.addArc(-47.73523320343703, -72.31551328948351, 43.26553250145439, -30.85636904935887, -50.76060275488791, 27.63871192924931, False)
+SketchConstraintRadius_1 = Sketch_1.setRadius(SketchArc_1.results()[1], "R")
+model.do()
+Edge_1 = model.addEdge(Part_1_doc, [model.selection("EDGE", "Sketch_1/Edge-SketchArc_1_2")])
+model.do()
+
+radius = model.measureRadius(Part_1_doc, model.selection("EDGE", "Edge_1_1"))
+assert(math.fabs(radius - ParamR.value()) < 1.e-7)
+
+model.end()
